Find your next tech and IT Job or contract C, C++ Developer in England

The role of the C, C++ developer: ensure programming in C and C++ languages within a company. If involved at the end of the design phase, their mission includes testing to validate the quality and relevance of products. Autonomous and free in their implementation choices, they have the opportunity to work in a wide variety of sectors given the popularity of C and C++ languages. Digital service companies and large IT user companies are sectors that particularly value them. They can also work as a freelancer to multiply experiences and sectors. This developer can easily progress to technical project manager positions, or transition into systems administration by deepening their skills in Unix scripting languages and JavaScript.

Explore the latest IT & tech jobs in England, home to numerous tech hubs and a diverse job market.

Your search returns 72 results.
Permanent

Job Vacancy
Full Stack Software Developer with C# Asp.net

Nexus Jobs Limited
Published on

£55k-75k
Basildon, England, United Kingdom
Fullstack Software Developer with C# Asp.net Our Client is an established is a recognised leader with a widely used commercial software in the financial markets. They are now looking for additional personnel to join the software development team with extensive proven expertise in developing software with C# with .net core – you must have at least 5 to 7 years experience. Personal Responsibilities: The Client is looking for a creative, detail-orientated Web Software Developer to join our Web Development team. Within the Web Development team, you will have the opportunity to enjoy working with a range of web technology across the full stack. The Company’s client base is growing and as part of this growth we are looking to improve and enhance our web-oriented product offerings. We are looking to recruit highly motivated and creative web developers who can be instrumental in delivering an ambitious digital roadmap. Previous Experience/Education: Web Developers at this Company don’t always need industry-specific work experience, but they must be able to demonstrate their web software coding capability in organisations of a similar size and complexity. Ideally, looking for Web Developers with 5 plus years work experience. Additionally, candidates should be experienced in debugging and profiling applications associated with developing, testing and deploying web applications. It is preferable for Web Developers to hold a degree in Computer Science or a related field. Successful Web Developers should have sound knowledge and experience in different programming applications. C#, Asp.net/Core, JavaScript, HTML, CSS, MVC and JSON are required core skills. Function: Candidates should be able to demonstrate strong ability to work independently and as part of a team building websites from the ground up in C#, MVC, Asp.net and Asp.net core. The successful candidate should have a good command of C#, HTML, CSS, JavaScript, JSON & Bootstrap. Exposure to any UI binding framework such as Vue.js, AngularJS, React, and Knockout would be beneficial. Additionally, the candidate should be comfortable using IIS. Full understanding of the MVC pattern, REST APIs and asp.net controllers are a must. Web developers should be aware of security vulnerabilities, such as those identified in OWASP, and their code should mitigate these threats. Required: Web Developers need experience in the design, creation and maintenance of websites across multiple platforms. The most important duties and responsibilities of the Web Developer include: Writing efficient code using best practice for software development Creating websites using different languages such as HTML and CSS Working with Programmers and Web Designers to create a website that matches the visual design intent Communicating with business colleagues to gather and refine requirements and specifications for content development within agreed-upon timelines Researching a variety of software programs Creating and maintaining the documentation for software used Improving and enhancing websites after they have been created Skills Required: A successful Web Developer candidate will have various prerequisite skills/qualifications needed for duties such as a Degree in Computer Science or related field). Some skills include, but are not limited to, the following: Strong interpersonal skills and the ability to establish and maintain close working relationships with business stakeholders and other technologists A pro-active approach with a keen attention to detail Proactive with a keen desire to take ownership of projects Functional knowledge and coding experience Basic knowledge of search engine optimisation (SEO) The ability to multitask within the budgets and time constraints set by the company Strong communication and problem-solving skills An understanding of development approaches and methods Knowledge of mobile applications, computer operating systems and web browsers Strong analytical skills The salary for this position with be in the range £55K - £75K plus benefits. The Client has offices in the City of London and close to Basildon in Essex. Currently this role will be based 2 days at the office in Essex and 3 days remote working. Please send your CV to us In Word format along with your salary and notice period.
Permanent

Job Vacancy
Senior Software Developer with C# .Net and Fixed Income

Nexus Jobs Limited
Published on

£60k-75k
City of London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £60K - £75K. Please do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
C# Software Engineer

CGI
Published on

Reading, England, United Kingdom
At CGI, you’ll play a pivotal role in building and sustaining secure, high-impact applications that underpin critical services for our clients. As a C# Developer, you’ll contribute to the full application lifecycle, combining hands-on development with 4th line support to ensure resilient, high-performing systems. Working within a collaborative, ownership-driven culture, you’ll help deliver measurable outcomes, strengthen long-term client relationships, and shape solutions that make a real difference in a highly secure environment. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a full-time onsite position based in our Reading office, five days per week. UK sole nationality is required.
Permanent

Job Vacancy
C# Dot Net Software Developer with Fixed Income and FX

Nexus Jobs Limited
Published on

£80k-100k
City of London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £80K - £100K. Please do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Software Engineer (C++)

CGI
Published on

Gloucester, England, United Kingdom
At CGI, we’re redefining what’s possible in the Space, Defence, and Intelligence sector delivering secure, mission-critical systems that protect the UK and drive national capability. As a C++ Software Engineer, you’ll help design and implement next-generation solutions that enable operational excellence and resilience in the most demanding environments. You’ll be part of a trusted team that values innovation, ownership, and collaboration—empowering you to shape the future of defence technology while advancing your own career through continuous learning and professional growth. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the highly secure nature of the work, this role is only open to sole UK Nationals who hold or are eligible to hold High-Level Clearance (HLC). While hybrid or remote working may be possible, regular attendance at the secure site will be required.
Permanent

Job Vacancy
Database Engineer with SQL and C#

Nexus Jobs Limited
Published on

£55k-60k
London, England, United Kingdom
Database Engineer with SQL and C# Our Client is a City based bank – looking to recruit a Database Engineer with at least 3 to 5 years expertise of developing and supporting SQL and C#. Software Development: Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation end of day cycle. Understanding business requirements in order to develop and deliver appropriate solutions based on system definition documents. Proficiency in advanced 4GL programming languages and able to apply to the fully development life-cycle. Database Support Supporting budgeting and financial planning processes for Finance department, including loading and refreshing of data based on requirements. Understand and conduct the front-end functionality to amend and change hierarchical structures within the environment. Debug and analyse errors and anomalies within Hyperion system as raised by Finance and to pinpoint areas of failure and correct any issues. Liaise with Finance on a daily basis to ensure smooth running of the Hyperion environment. Build data flows within the SQL environment in SSIS packages. Introduce new field and data types for new information to be collated in the CORE environment. To integrate with all the Bank’s sub-systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. Build reports based on business requirements using Hyperion Interactive Reports. Ensure that the environment is running optimally and to utilise house-keeping procedures. Sharepoint Integration: Integrate the SharePoint environment and Forms with Equation system to introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. End of Day Cycle: Provide second and third level support for in-house programmes during the end of day cycle. Able to analyse and rectify any problems raised in an independent and team scenario. Take ownership of a problem and deliver a solution in a timely manner. Provide out of office hours support. Risk & Regulatory Duties Maintain knowledge of all applicable regulatory requirements including the Bank’s Risk and Compliance policies and procedures and adhere to these to avoid exposing the Bank to undue risk. Report policy/procedure breaches and areas of potential non-compliance and suspicions promptly upon identification in accordance with the Bank's Risk and Compliance policies. Accurately execute all controls within own area to minimise risk of policy, procedure, and/or regulatory breaches. Identify new risks/control gaps within own area and escalate accordingly to your Line Manager and/or Head of Department. Training & Competence Complete all annual mandatory regulatory refresher training as per the Bank's training plans and deadlines. Proactively seek to complete recommended technical and behavioural competencies training required for your role. Conduct Act in accordance with the FCA/PRA Code of Conduct. Business Continuity Fulfil all prescribed business continuity requirements as set out in the organisational or departmental specific plans or as instructed by the Line Manager/Head of Department. Qualifications/Experience Degree level qualified or equivalent. SQL Programming. C# Software development. Knowledge and Skills C# Programming to high level of proficiency. Software analysis and design. SQL query language. Dimensional modelling Data warehouse design concepts, (Inmon or Kimball) This is a Full-Time Contract initially for 6 months – but likely to become permanent. Salary for this position will be £55K - £60K per annum. The Client is based in the City of London. Please do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Software Engineer with C# Java and Azure

Nexus Jobs Limited
Published on

£60k-95k
London, England, United Kingdom
Software Engineer with C# or Java and Azure Must have a bachelor's degree in computer science, software engineering, or a related field is required. Must have at least 4 to 6 years of progressively complex experience in a directly related area, during which both professional and technical capabilities have been clearly demonstrated. Coupled with at least 4 years of design and development. experience with various relevant Microsoft platforms, tools, technologies, patterns, and techniques related to Azure tools, integration, and data is required. Experience with industry/domains like pharmaceutical, finance, HR, sales, marketing, and manufacturing is highly preferred. Experience with healthcare industry regulations, data security and compliance standards (e.g. GDPR), and EDI standards (e.g. FHIR, HL7), etc. is very valuable. Developer certifications of Azure and/or Microsoft suite technologies is a big plus. Technical skills: In-depth knowledge and thorough experience in programming, configuring, and/or integrating using/with Azure integration tools like Data factory, LogicApps, Functions, API Management, Data catalog, WebApps, Integration service environment, configuring monitoring & diagnostics, etc., and connectivity & security configurations (certificates, encryptions, etc.). In-depth knowledge and experience with Azure data storage (SQL Server, Data lake, Synapse, etc.) & access tools, APIs, cloud connectivity, and ETL processes. Knowledge and some experience of MS Office/MS Office 365 suite, SharePoint Online, Power Apps, GitHub, MS Teams, etc. In-depth knowledge & experience using Visual Studio, with one of the programming languages: C#/Java/JavaScript/Python, and PowerShell. In-depth knowledge and thorough experience of using Serverless, SOAP, XML, REST, JSON, EDI, XSLT, Async/Sync, Request/Response, Service Bus, Publish/Subscribe, Batch/Real-time, Scheduling, Event triggers, etc. In-depth knowledge and development experience using MS SQL Server (SSIS, T-SQL, Stored procedures, Functions, Views, Queries, Datatype conversions, etc.). Thorough understanding of the fundamental architecture of the cloud and on-prem MSFT Suite (e.g. Share point) and Integration platforms architecture (e.g. BizTalk, MuleSoft, or similar), etc., and version control methods. Solid fundamentals and thorough understanding of exception handling principles and production/operational support solutions (alerts, dashboards, runbooks, etc.) Experience working with Azure DevOps and CI/CD pipeline. Experience working with APIs, Postman/SOAPUI tools, MS D365, ServiceNow, Azure Analytics tools, Azure Data lake, Azure Synapse, Azure BYOD & Data verse, Informatica, BI tools, etc. is a big plus. General business skills: Clear communication to translate and explain business requirements to technology & vice-versa. Analytical & methodical mindset with a problem-solving attitude is extremely important for the success of this role. Clear, concise written, verbal, and presentation skills. Must be a team player who can earn a team’s respect quickly. Ability to take initiative and be innovative. Ability to complete projects and achieve results in an ambiguous work environment. The role will be based in London and can be partly remote. The Client is based in Livingston NJ USA. Salary will be in the range £60K to £95K. Please do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Software Developer with C# .net SQL Server and RPG

Nexus Jobs Limited
Published on

£80k-100k
London, England, United Kingdom
Software Developer with C# .Net SQL Server and RPG Role Description This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer with expertise in C# .NET, SQL Server, and RPG, your responsibilities will include developing software solutions, maintaining databases, and supporting system integrations. The Client a bank in London would like you to have a background in working for a bank working on Core Banking systems along with BAU and developing solutions in C# .net coupled with excellent SQL Server SSIS and RPG. Qualifications Proficiency in C# .NET, SQL Server, and RPG programming languages Experience in software development, database management, and system integration Strong analytical and problem-solving skills Ability to work independently and collaborate effectively in a team environment Excellent communication and documentation skills This a hybrid position based in Central London. The salary will be circa £80K - £100K depending on expertise. Do send your CV to us in Word format along with your salary and notice period.
Permanent

Job Vacancy
Software Developer with C# Dot net SQL Server SSIS

Nexus Jobs Limited
Published on

£60k-70k
London, England, United Kingdom
Software Developer with C# Dot Net asp.net with SQL Server SSIS SSRS Our Client is a bank based in Central London who are looking to recruit at least 7 years plus experience as a Data Engineer with the ability to work with C# Dot net and SQL Server with SSIS. You must have solid expertise of at least 7 years’ experience of working with and developing software with C# Dot Net and MS SQL Server and SSIS, SSRS and SSAS – SSIS is very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support the internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills, end of day cycle. Support Supporting budgeting and financial planning processes for Finance department, including loading and refreshing of data based on requirements. Understand and conduct the front-end functionality to amend and change hierarchical structures within the environment. Build data flows within the SQL environment in SSIS and SSAS packages. Integrate the SharePoint environment and Forms with Equation system to introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. Integrate with all the systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. Duties Maintain knowledge of all applicable regulatory requirements including the Bank’s Risk and Compliance policies and procedures and adhere to these to avoid exposing the Bank to undue risk. Report policy/procedure breaches and areas of potential non-compliance and suspicions promptly upon identification in accordance with the Bank's Risk and Compliance policies. Accurately execute all controls within own area to minimise risk of policy, procedure, and/or regulatory breaches. Identify new risks/control gaps within own area and escalate accordingly to your Line Manager. M ust Have Skills S oftware analysis and design. SQL Server query language with SSIS. Data warehouse design concepts, (Inmon or Kimball) Experience of developing software with C# Dot Net and asp.net and SQL Server is a must. Must have solid experience of working with SSIS and building data warehouses. The Client is a Bank based in the Central London. Must have a degree qualification. This is a 12 month FTC position with a salary of circa £60K - £70K. This is a hybrid position - you will be required to be in the office at least 3 days week. Do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Fullstack with C# Dot net HTML Web Software Developer

Nexus Jobs Limited
Published on

£50k-70k
Basildon, England, United Kingdom
Fullstack with C# Dot net HTML Web Software Developer Our Client is leader in the development of software for the financial sector. We are looking for a creative, detail-orientated Web Developer to join our Web Development team. You must have at least 5 years experience of working as a Fullstack Web Software Developer with C# Dot Net HTML and CSS. Within the Web Development team, you will have the opportunity to enjoy working with a range of web technology across the full stack. Our client base is growing and as part of this growth we are looking to improve and enhance our web-oriented product offerings. We are looking to recruit highly motivated and creative web developers who can be instrumental in delivering an ambitious digital roadmap. Previous Experience/Education: Web Developers don’t always need industry-specific work experience, but they must be able to demonstrate their web coding capability in organisations of a similar size and complexity. Ideally, we are looking for Web Developers with five plus years work experience. Additionally, candidates should be experienced in debugging and profiling applications associated with developing, testing and deploying web applications. It is preferable for Web Developers to hold a degree in Computer Science or a related field. Successful Web Developers should have sound knowledge and experience in different programming applications. C#, Asp.net/Core, JavaScript, HTML, CSS, MVC and JSON are required core skills. Role Function: Candidates should be able to demonstrate strong ability to work independently and as part of a team building websites from the ground up in C#, MVC, Asp.net and Asp.net core. The successful candidate should have a good command of C#, HTML, CSS, JavaScript, JSON & Bootstrap. Exposure to any UI binding framework such as Vue.js, AngularJS, React, and Knockout would be beneficial. Additionally, the candidate should be comfortable using IIS. Full understanding of the MVC pattern, REST APIs and asp.net controllers are a must. Web developers should be aware of security vulnerabilities, such as those identified in OWASP, and their code should mitigate these threats. Knowledge Required: Web Developers will need experience in the design, creation and maintenance of websites across multiple platforms as follows: Writing efficient code using best practice for software development Creating websites using different languages such as HTML and CSS Working with Programmers and Web Designers to create a website that matches the visual design intent Communicating with business colleagues to gather and refine requirements and specifications for content development within agreed-upon timelines Researching a variety of software programs Creating and maintaining the documentation for software used Improving and enhancing websites after they have been created Skills Required: A successful Web Developer candidate will have various prerequisite skills/qualifications needed for duties such as a Degree in Computer Science or related field). Some skills include, but are not limited to, the following: Strong interpersonal skills and the ability to establish and maintain close working relationships with business stakeholders and other technologists A pro-active approach with a keen attention to detail Proactive with a keen desire to take ownership of projects Functional knowledge and coding experience Basic knowledge of search engine optimisation (SEO) The ability to multitask within the budgets and time constraints set by the company Strong communication and problem-solving skills An understanding of development approaches and methods Knowledge of mobile applications, computer operating systems and web browsers Strong analytical skills The Client provides highly configurable enterprise software solutions to leading companies within the insurance sector. Working with our Client you will become part of a close-knit team dedicated to providing tools to improve our clients’ businesses. Currently 3 days WFH and 2 days in the office (Mondays & Wednesdays). The position will be based close to Basildon in Essex. The salary for this role will be in the range £50K - £70K. Please do send your CV to us in Word format along with your salary and notice period.
Permanent

Job Vacancy
Senior Software Engineer with C# .net Fixed Income FX

Nexus Jobs Limited
Published on

£50k-75k
City of London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £50K - £75K. Please do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Java Developer

CGI
Published on

Leeds, England, United Kingdom
At CGI, we are transforming how secure digital healthcare is delivered across the UK. Join us to help build and evolve critical identity and authentication services that enable millions of healthcare professionals to access vital systems safely and efficiently. You’ll play a hands-on role in modernising national platforms, working in a collaborative environment where you can shape solutions, contribute ideas, and see the real-world impact of your work every day. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position.
Permanent

Job Vacancy
Python Developer

CGI
Published on

Gloucester, England, United Kingdom
CGI’s Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions to government agencies tackling some of the most complex challenges. We design, build, and operate bespoke, mission-critical systems that help keep the UK safe and secure. We are looking for experienced Python Developers to join our cross-functional teams. Working closely with our clients, you will help design, build, and deliver secure, scalable solutions in a highly rewarding and impactful environment. CGI places strong emphasis on learning and development, ensuring your skills evolve alongside the latest technologies. Our culture promotes innovation, collaboration, and ownership—ideal for motivated self-starters. Due to the secure nature of the work, these roles require UK Security Clearance and sole UK nationality. Candidates should either already hold DV clearance or be willing and eligible to obtain it.
Permanent

Job Vacancy
Data Engineer with C# Dot net and SQL Server SSIS

Nexus Jobs Limited
Published on

£55k-70k
London, England, United Kingdom
Data Engineer with SQL Server SSIS and C# Dot Net asp.net Our Client is a bank based in Central London who are looking to recruit a Data Engineer with the ability to work with C# Dot net and SQL Server with SSIS. You must have solid expertise of at least 5 years experience of working with and developing software with C# Dot Net and MS SQL Server and SSIS – SSIS is very important for this position. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support the internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Data Support Supporting budgeting and financial planning processes for Finance department, including loading and refreshing of data based on requirements. Understand and conduct the front-end functionality to amend and change hierarchical structures within the environment. Build data flows within the SQL environment in SSIS packages. Risk & Regulatory Duties Maintain knowledge of all applicable regulatory requirements including the Bank’s Risk and Compliance policies and procedures and adhere to these to avoid exposing the Bank to undue risk. Report policy/procedure breaches and areas of potential non-compliance and suspicions promptly upon identification in accordance with the Bank's Risk and Compliance policies. Accurately execute all controls within own area to minimise risk of policy, procedure, and/or regulatory breaches. Identify new risks/control gaps within own area and escalate accordingly to your Line Manager and/or Head of Department. Knowledge and Skills Software analysis and design. SQL Server query language with SSIS. Data warehouse design concepts, (Inmon or Kimball) Experience of developing software with C# Dot Net and asp.net is a must. Must have solid experience of working with SSIS and building data warehouses. The Client is a Bank based in the Central London. Must have a degree qualification. This is a 12 month FTC position with a salary of circa £55K - £70K. This is a hybrid position - you will be required to be in the office at least 3 days week. Do send your CV to us in Word format along with your salary and availability.
Contractor

Contractor job
Senior C++ Software Engineer

Templeton and Partners Limited
Published on
C/C++

4 days
£400-850
London, England, United Kingdom
Senior C++ Software Engineer 12 month contract - £600 to £850 per day inside Global Trading & Supply | High-Performance Trading Technology As a Senior C++ Software Engineer, you'll collaborate with technologists, quants, and traders to build and optimise our in-house global derivatives trading platform. You'll work across the full stack of proprietary trading technology - from exchange connectivity to trading engines - with the autonomy and impact of a high-performance engineering culture. You will play a key role in ensuring ultra-low latency performance, reliability, and scalability while shaping the next generation of our trading systems. What You'll Work On Exchange Connectivity Develop software that interacts with major global futures exchanges via native APIs & protocols (FIX, WebSocket, HTTP). Maintain and extend testing suites to ensure robust connectivity performance. Optimise exchange communication through Kernel bypass, TLS tuning, and advanced networking techniques. Study and align with detailed exchange behaviours. Work across C++, Rust, Python, and Typescript where required. Trading Strategies Build and enhance algorithmic trading strategies from trader and quant requirements. Increase the performance, reliability, and stability of the trading engine. Improve monitoring and observability alongside Trading Operations. Diagnose and resolve production issues (crashes, logic anomalies, latency bottlenecks). Support release preparation and deployment of trading engine versions. Technical Experience 5+ years post-graduation C++ experience in the financial markets. Strong multi-threaded, asynchronous, and distributed systems engineering background. Deep knowledge of algorithms and data structures. Understanding of the full exchange-traded derivatives life cycle. Strong Scripting and automation skills (Python, PowerShell, C#, SQL etc.). Proven track record in application deployment best practices and proactive system monitoring. Industry Experience 8+ years in Trading, Capital Markets, or Investment Banking environments. Familiarity with global futures exchanges and their native protocols. For information please APPLY NOW!
Permanent

Job Vacancy
Senior Siebel Developer

CGI
Published on

Leatherhead, England, United Kingdom
At CGI, we are at the forefront of delivering transformative digital solutions that enable critical Defence operations and drive measurable impact. As a Siebel Developer, you will play a key role in shaping and evolving a highly customised CRM platform, contributing to innovative, high-value outcomes for our clients. You will be empowered to take ownership of complex challenges, apply creative problem-solving, and collaborate with a supportive team to deliver excellence. By combining deep technical expertise with a culture that encourages growth and accountability, you will help us continue to deliver secure, scalable, and future-focused solutions that make a real difference. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position with travel to our Leatherhead office.

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Frequently asked questions about working as a C, C++ Developer

What is the role of a C, C++ Developer

The C++ developer uses this specific computer language to find ad hoc solutions to their clients' needs. Widely used in the market, this programming language is a skill highly sought after by recruiters.

How much does a C, C++ Developer charge

On average, a C++ expert charges 390 euros per day in the provinces, and 420 euros in the Paris region. The average annual salary for a C, C++ developer is £30K.

What is the definition of a C, C++ Developer

The role of the C++ freelancer is to produce clean and rigorous code, ensuring the performance and quality of the developed program. They participate downstream of the design phase, and their mission continues until the tests validating the quality and relevance of the produced programs.

What type of mission can a C, C++ Developer handle

The C, C++ developer masters the algorithmic and syntactic subtleties of the object-oriented language, to be able to select the best implementation solutions and successfully carry out the assigned mission. The sectors that welcome C++ freelancers are very diverse: banking sector, software development, ticketing, video games...

What are the main skills of a C, C++ Developer

Often, the C++ expert has comprehensive skills and also masters the syntax of control structures in PHP, Java and JavaScript, derived from C/C++. He will therefore be able to participate in projects using languages similar to his first language.

What is the ideal profile for a C, C++ Developer

The C++ expert must have: - excellent interpersonal skills, as they collaborate daily with many profiles: product owners, project managers, freelance developers; - good stress resistance, planning with often intense phases close to contractual deadlines
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Contractor Permanent

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England, United Kingdom

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Rate minimum.

£150 £1300 and more

Salary minimum

£20k £250k

Experience

0-2 years experience 3 to 5 years experience 6 to 10 years experience +10 years experience

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