Find your next tech and IT Job or contract Software in United Kingdom

CGI’s Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government agencies. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently seeking a Software Developer to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever-evolving technology landscape. Our culture values innovation, collaboration, and ownership, making it an ideal environment for self-motivated individuals to thrive. Please note, due to the highly secure nature of the project, this role is open only to UK Nationals (not dual nationals or visa holders) who hold or are eligible for High-Level Clearance (HLC). While there is some flexibility for remote or hybrid work, onsite attendance at the specified location will be required for secure system access.

This is a challenging role for those looking to deliver technological change during a period of organisational transformation. It offers the opportunity to make a real difference to people’s lives by delivering high-quality digital products. As a Senior Developer, you will take responsibility for the operational stability of our portfolio of Business Developed Applications (BDApp) and ensure changes are implemented with ongoing robustness and reliability. Role overview Own the full Software Development Life Cycle, applying agreed software and architectural design principles to deliver fit-for-purpose solutions. Lead and engage with stakeholders throughout all stages of development, from feasibility to delivery, ensuring customer needs and timescales are met. Write high-level software that complies with HMRC and WCAG standards, with a strong focus on accessibility and security. Support the transition to web-based and microservice architectures, considering evolving technologies to protect customer data. Apply knowledge of technical innovations and HMRC’s technology landscape to shape developments, leveraging corporate robotics, BDApp capabilities and low-code solutions such as Power Platform. Additional responsibilities Work closely with delivery managers and support teams to ensure products meet HMRC and Government governance requirements. Mentor team members and invest in continuous learning to stay ahead of technology changes. Maintain an organised approach to managing tasks for yourself and others.

Backend Developer (Umbraco) - Senior-level Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills, tools and techniques (e.g. Git, Github, Team City, Octopus, Jenkins, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive and cooperative individual who will work effectively across departments and within a team Worked in an agile/Kanban environment and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes Benefits Company pension Performance-related bonus Generous holiday concessions Friend and family discounts on Travel holidays Educationals – trips for staff to get to know and understand our destinations ‘Cycle to work’ scheme The salary for this role will be in the range £55K to £65K per year depending on experience. The Client is based in Central London and this role will be working remotely. Do send your CV to us in Word format along with your salary and availability.

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.

Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. The Role You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Clients offices are based in Central London and this role will be remote working. The salary for this role will be in the range £40K to £50K. Do send your CV to us in Word format along with your salary and availability.

Our Digital and Data technology team are at the forefront of digital innovation. They provide best-in-class solutions for our clients, helping to shape and support a data driven future for the UK government. Whether it’s creating bespoke, secure software, offering programme and application support or moving an entire embassy’s servers to a Cloud platform, no matter the task, they’re on hand to provide support. Now, you’ve got the opportunity to join them. Providing innovation to government partners Delivering best-in-class solutions Working at the cutting-edge of technology It all matters Deliver and integrate world-class software for our global customers When you join our collaborative and creative team of software developers, it will be your task to design, code, test, correct and document large programmes and modifications from supplied specifications, and provide costs, timescales and estimate the resources required to effect change. Using all your skills as you collaborate with our clients and users on the content and appearance of complex web pages, we’ll also expect you to create and test pages with specified content and layout, and develop web interfaces to new or existing applications. You’ll have a number of other important responsibilities – these include analysing data requirements to establish, modify or maintain object and data models, evaluating potential solutions and demonstrating, installing and commissioning the selected products. Using application management software and tools to collect performance statistics to ensure targets are met, you’ll perform essential maintenance and identify and resolve any problems you encounter. In addition, you’ll maintain your knowledge of specific technical specialisms, use this to execute a range of specific tasks, and provide detailed advice regarding their application. Use all your specialist development skills as you help defend the UK’s interests With Agile and ITIL Foundation level qualifications or relevant practical experience in a similar role to this one, you should hold Microsoft role-based certification and be skilled at working with technologies in a secure enterprise environment. It’s also important that you possess well developed knowledge of database concepts, architectures, software and facilities such as ServiceNow Studio,Business Rules, Client Scripts, UI Policies, UI Actions,Flow Designer / Workflow Editor, Service Catalog & Request Management, CMDB (Configuration Management Database),Performance Analytics & Reporting and Security & ACLs, have a good understanding of object and data modelling techniques and design principles. Skills and in depth knowledge of the below are essential: It goes without saying that you’ll have excellent numerical and analytical skills, and extensive knowledge of relevant programming languages such as JavaScript, HTML/CSS, REST/SOAP APIs, SQL and JSON/XML . In addition, subject matter expertise in a key technology, tool or product would be desirable, as would experience of working in a variety of ITIL3 environments and ServiceNow Certified System Administrator (CSA) and ServiceNow Certified Application Developer Discover the support you need to grow your career further But we’re always looking to improve – just like you. That’s why when you join us, expect to receive a competitive salary, generous holiday entitlement and a Civil Service Pension. Along with this, you’ll also have access to training and other development opportunities to help grow your career with us. Our offices have an on-site gym, nursery, café, and restaurant, and we offer interest-free loans on season tickets and bikes to help you get there. It's a great set of benefits made to support all you do, and all you need. Want to see your future team’s work in action? Step into our Virtual Embassy and select a guide to take you round to see how we deliver for government customers and how you could help. Explore the embassy now at Every single colleague must be security cleared before joining us. If you’re successful in your application, we’ll ask you to undergo our vetting process to achieve Security Checked (SC) clearance. You can find out more about vetting at To find out more about our benefits and our organisation, please visit It takes a diverse team to protect a diverse world The vital work we do takes an incredible community of colleagues, with different skills, backgrounds, cultures and identities. We support every individual, so that you always know you’re welcome and valued. It’s what makes us a Disability Confident employer. And why we’re recognised as a ‘Carer Confident’ workplace. And it’s how you know you’re joining an inspiring, inclusive organisation.

Senior Software Engineer with Python and Java Our Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large strategic consulting engagement within the Life Sciences industry. So if you any experience with the Life Sciences domain – then the Client would be very interested to see your profile. Must be 100% trustworthy with real integrity – this is a highly sensitive project. Key skills: Python, Machine Learning, Java The Client would like to see solid expertise of working with and developing complex applications with Java. Excellence is vital. Ideally have security clearance. The Client has offices in Central London and the project is based in Oxford and are happy with remote working for the foreseeable future. They are absolutely committed to family-friendly operations with diversity & work-life balance. Daily rate for this assignment will be dependent on your expertise – but will be in the range £500 to £2000 per day. Duration for this assignment will be 3 to 6 months initially with possibility of the role becoming permanent at some point in the future. The ideal candidate will have a PhD in Computer Science although an MSc with excellent skills may work. Please note we really are looking for the best software developers – the cream of the crop – or crème de la crème . Do send your CV to us in Word format along with your daily rate and availability.

C# .NET Software Developer with FX 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 trach record of developing with C# .NET ideally with some understanding FX projects. 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 years experience 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 - £60K. Please do send your CV to us in Word format along with your salary and availability.

At CGI, you’ll play a key role in shaping mission-critical technology that supports some of the UK’s most important national functions. Joining our HOMBRE team, you will help deliver intelligent, event-driven solutions that improve decision-making across government, empowering teams with accurate, real-time insight. You’ll work in a collaborative environment where you can take ownership of meaningful challenges, contribute creative ideas to modern engineering approaches, and be supported by a community that values your growth. This is an opportunity to influence high-impact digital services, evolve complex rule-based systems, and build solutions that make a measurable difference across the Home Office landscape. 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 either hold, or be willing and eligible to undergo, UK Security Clearance. This is a hybrid position.

At CGI, you will help shape a critical transformation within one of our UK Government clients by contributing to the delivery of a modern, user-centred replacement for a legacy national application. As a Front-End Developer, you will play a key role in building scalable, accessible and intuitive digital services that make a tangible difference for citizens and justice professionals. Working closely with multidisciplinary teams, you’ll influence solution design, build high-quality interfaces and support an iterative rollout that drives lasting value. You’ll be part of a collaborative environment where you can take ownership of your craft, explore new ideas and thrive with the support of an experienced UK-wide community. 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.

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office Full Stack Software Engineer which is primarily GUI focused on React, 70% and some back end with Java 30% This is a front office derivatives investment bank, and you will be working with international teams on big front office trading projects This role will be interviewed in December, and offer out in January Position Description Derivatives Front Office Full Stack Application We're looking for a Software Engineer for our front office suite of application supporting trading, marketing, trade analysis and research. You will be a Hands-on Full Stack developer using React as front end and Java 21 as the primary language for back end Work with other teams including Front office risk teams, trading desk, Quants, and DevOps to build state of the art front to back pricing and risk solution This is an interesting role in a thriving area of the bank For more information, and the chance to be considered, please do send through a CV- Good luck React and java and full and stack and (bank or derivatives) To find out more about Huxley, please visit Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Software Systems Engineer £50,000 - £65,000 + International Travel + Progression + Holiday Cannock Are you an engineer who has a high level of experience with LabVIEW and TestStand? On offer is a rare opportunity to work for a world leader in remanufacturing solutions for light - heavy duty vehicles where you will travel the world and work on many projects. Established over 80 years ago, our client serves the global automotive industry from its facilities in the UK, USA, and China, where they have now built up an impressive reputation. They are now looking for someone who wants to utilise their years of experience in a business that offers you the framework for progression. As the Software Systems Engineer, you will be responsible for the development, implementation and maintenance of test programs and in-house software. Our client is looking for someone who is proficient in LabVIEW, TestStand and experienced in writing test software & automated tests and has knowledge of embedded systems. The role: * Software Systems Engineer * Generation and maintenance of electrical drawings * LabVIEW, TestStand, automated tests & embedded systems * Supporting the global R&D team in the implementation and maintenance of all systems * International travel The person: * Solid experience with LabVIEW, TestStand and writing test software & automated tests * Happy to travel with work * Has an interest in the industry and wants to progress through a market leader * Forever looking to self-develop Reference Number: BBBH251574 To apply for this role or for to be considered for further roles, please click "Apply Now" or contact Rise Technical Recruitment This vacancy is being advertised by Rise Technical Recruitment Ltd. The services of Rise Technical Recruitment Ltd are that of an Employment Agency Rise Technical Recruitment Ltd regrets to inform that our client can only accept applications from engineering candidates who have a valid legal permit or right to work in the United Kingdom. Potential candidates who do not have this right or permit, or are pending an application to obtain this right or permit should not apply as your details will not be processed.

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office Full Stack Software Engineer which is primarily GUI focused on React, 70% and some back end with Java 30% This is a front office derivatives investment bank, and you will be working with international teams on big front office trading projects This role will be interviewed in December, and offer out in January Position Description Derivatives Front Office Full Stack Application We're looking for a Software Engineer for our front office suite of application supporting trading, marketing, trade analysis and research. You will be a Hands-on Full Stack developer using React as front end and Java 21 as the primary language for back end Work with other teams including Front office risk teams, trading desk, Quants, and DevOps to build state of the art front to back pricing and risk solution This is an interesting role in a thriving area of the bank For more information, and the chance to be considered, please do send through a CV- Good luck To find out more about Huxley, please visit Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member 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. The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. The position is suitable for some office or home-based work but due to the secure access of systems, this position will require onsite attendance in Gloucester. Opportunity to be at the forefront of a large-scale cloud transformation programme. A collaborative, hands-on environment where your input will directly impact project success. Supportive team culture with scope for upskilling and development in cloud technologies.

Elevate your potential with CGI, a global technology service provider and premier business consultancy recognized by Forbes Magazine as a top 100 employer. Our mission is rooted in evolution, excelling in intricate challenges. Collaborating directly with our clients, we employ innovative technologies to revolutionize, empower, safeguard, and deliver critical mission systems. CGI is a leading provider of ground segment software and IT for space missions. We support some of the most advanced satellite systems in the world, designing and supporting ground segment command and data processing systems, as well as network architecture. This is an opportunity to join a growing team supporting the development of operational mission-critical systems. We are looking for an architect, who has an existing background in Communications or Space Technology, to support ground segment software and network solutions developed with our SatCom customers. Our solutions cover network management, operations support, and mission planning, often using cutting edge optimization techniques. This role will be hybrid, based in Leatherhead, Reading, London, Bristol or Leicester as base-office. Some short trips to Europe may be required for customer meetings. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.

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.