Find your next tech and IT Job or contract Java in England

What you need to know about Java

Java is a widely-used programming language known for its portability and performance. It is essential for building cross-platform applications, from enterprise solutions to mobile apps.

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

Your search returns 10 results.
Contractor

Contractor job
Java Developer

LA International Computer Consultants Ltd
Published on

6 months
SW1A 2AH, City of Westminster, England, United Kingdom
Java Developer 6 Month contract initially + Extensions Based: Remote, with 1 day p/w onsite in London Rate: £Market rates p/d - (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Java Developer to join the team. You will join a dynamic team building scalable, secure, and high-performing backend systems. Working on cutting-edge technologies in microservices, event-driven architecture, and cloud solutions. Your responsibilities: * Develop and maintain backend services using Java, Spring Boot, and Spring Security. * Design and implement microservices and event-driven architectures leveraging Confluent Kafka. * Build and manage CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting. * Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter. * Monitor, troubleshoot, and optimize systems using New Relic and Grafana. Key Skills & Experience: * Strong proficiency in Java and Spring Boot frameworks. * Hands-on experience with microservices architecture and Kafka. * Solid understanding of CI/CD processes and tools like Jenkins and GitHub Actions. * Experience with PostgreSQL and MongoDB databases. * Excellent communication skills and ability to thrive in a fast-paced environment. Desirable skills/knowledge/experience: * Exposure to AWS cloud services or AI technologies. * Familiarity with performance testing tools such as Gatling and JMeter. * Knowledge of system monitoring tools like New Relic and Grafana. * Experience in shell scripting for automation. * Understanding of secure coding practices and Spring Security. This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
Contractor

Contractor job
Mobile Backend Developer (JAVA/Kotlin)

LA International Computer Consultants Ltd
Published on

6 months
£425-525
M6 7WQ, Salford, England, United Kingdom
Mobile Backend Developer (JAVA/Kotlin) 6 Month contract initially + Extensions Based: Hybrid - 2-3 days onsite in Manchester Rate: £425 - £525 p/d - (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Mobile Backend Developer (JAVA/Kotlin) to join the team. We are seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Key Responsibilities; * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance. * Demonstrate a commitment to keeping up with industry trends, emerging technologies, and best practices, actively applying them in your work. * Contribute new ideas, tools, and methodologies to help foster a culture of continuous improvement and innovation within the team. * Share knowledge and mentor peers and junior engineers, supporting their growth and skills development. * Collaborate with technical leads, IT teams, and business stakeholders to understand project requirements, implications, and dependencies. * Review and provide feedback on technical documentation, suggesting improvements where appropriate. * Promote and practice best development approaches such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to deliver high-quality, maintainable code. * Apply design patterns to address complex problems, ensuring code is efficient, readable, and reusable. * Adhere to IT and Information Security policies and procedures in all engineering activities. Key Skills & experience: * Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design * Understanding of API design for mobile application with event driven architecture * Strong analysis and problem-solving skills * Knowledge of the financial services industry * Other technologies/areas: AWS, API Design, Automation testing This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
Contractor

Contractor job
Senior Software Engineer with Python and Java

Nexus Jobs Limited
Published on

£500
London, England, United Kingdom
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.
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.
Contractor

Contractor job
Java Software Engineer – Bristol

Nexus Jobs Limited
Published on

£300-500
Bristol, England, United Kingdom
Java Software Engineer – Bristol We urgently require a strong Java developer with very good experience working in an agile environment with some experience with Micro Services for a contract assignment in Bristol. Must have at least 5 years’ experience as a software engineer in Java Development. Should be experienced in a true agile environment, collaborative development environment. With strong Java software developer - hands on keyboard with strong communications skills to mentor and coach less experienced developers on the client side. Experience with micro services Experience with native cloud platforms This is a 12 month assignment based in Bristol. Please send our CV to us in Word format along with your availability and daily rate.
Permanent

Job Vacancy
Java Engineer

CGI
Published on

Sheffield, England, United Kingdom
At CGI, you will help engineer secure, resilient systems that underpin critical services and deliver real-world impact. As a Senior Java Engineer, you will play a key role within a collaborative delivery team, designing and building scalable solutions that support complex programmes. You will be trusted to take ownership of your work, encouraged to bring curiosity and creativity to technical challenges, and supported by a culture that values learning, shared success and continuous improvement. This is an opportunity to deepen your expertise, broaden your skillset and make a meaningful contribution within an organisation that empowers its engineers. 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 SC Clearance or be eligible to obtain it. This is a hybrid role, with an expectation of working 1–2 days per week on site in our Sheffield office, with flexibility for remote working for the rest of the time.
Permanent

Job Vacancy
Java Developer (Security Clearance)

CGI
Published on

Leatherhead, England, United Kingdom
At CGI, we deliver secure, mission-critical systems that protect national interests and enable smarter decision-making across space, defence and intelligence. In this role, you will help shape high-impact solutions by building resilient Java services that transform complex data into meaningful insight for end users. Working within a collaborative, agile environment, you’ll have real ownership of outcomes, the freedom to innovate, and the support to grow your expertise while contributing to programmes that truly matter. 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 role is five days a week working in the Leatherhead Office.
Contractor

Contractor job
Senior Technical Java and C# .net Software Developer

Nexus Jobs Limited
Published on

£450-500
London, England, United Kingdom
Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. Ability to own and drive forward Omni channel technical solutions and technical architecture from an IT perspective (with direction from Head of IM, Consumer & Brands) o Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni technical design, structure and future-fit. Project lead on any future re-platforming for FM.com. o To be the technology lead managing the ‘day to day’ from a technical perspective o Ensure all technical solutions are best-in-class, future-proofed and align to the wider DBIM vision / strategy (e.g. liaise with wider IM on Security, release processes etc) § For example for the FM global single customer view project, the role would provide all technical advice on architecture, user stories, technical specs and DB IM sign-offs Technical lead for all 3rd party solution providers: a) Salesforce b) Booking Bug c) Shopify. Ensure that all OmniChannel products are working together/integrated as needed to allow single consumer tracking and global database. o Technical lead for China Retail Salesforce integration / WeChatify / Social CRM o Data Management Platform (DMP) technical lead o B2B FMJ / FMD Management CRM (India) technical lead to work with DBIM to ensure that project is delivered + technical specification. o Salesforce Service and Marketing Cloud technical lead to take technical ownership for the delivery of new projects / enhancements o Technical leader to create technical architecture documentation, listing the technical stack of the FM.com suite of applications (front and back end). o Technical Leader to highlight components at security, warranty, support, IM policy risk. o Technical Leader to prepare a plan for short and long term to alleviate / eradicate highlighted risks of the technical stacks. o Alignment of FM Omnichannel technical projects / scope to ensure business, cost and technology efficiencies in conjunction with China and US technical leads · Lead development efforts and deliverables on complex solutions within an Agile framework · Provide strong oversight and ownership of coding efforts, and technical solutions · Contribute to the development of system components as needed · Accountable for solving for all technical aspects and delivery · Serve as an escalation point for technical impediments · Accountable for the articulation of the solutions, to various levels · Delegate structured assignments and monitor the progress · Develop and ensure development standards and practices are adhered to by the development team, i.e. DevOps, coding, code management, and documentation · Provide solutions based on strong technical acumen and technical currency in a variety of technologies · Exposure to Mobile and Cloud application platforms · Ensure the technical activities are aligned with approved architectural designs. · Create technical and strategy documents to articulate the solutions and guide implementations as needed to meet requirements. · Develop strong technical application and product knowledge across the Omni channel portfolio. · Challenge our technology partners and vendors to derive maximum value. · Evaluate vendor solutions and work with vendors as necessary · Provide guidance to onshore, offshore, and near shore development service providers as necessary · Provide strong retail business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail / digital technology experience is essential · Experience in SalesForce Service and Marketing Clouds · Safety Knowledge: · Provides a consistent outstanding role model in relation to safety practices with a deep understanding of the importance of safety This is a 6 month contract assignment based in the London. Rate is negotiable and will be in the range £450 to £500 per day. Please send your CV to us in Word format along with your daily rate and availability.
Fixed term

Job Vacancy
Java Software Engineer

Computer Futures
Published on

5 months
SW1A 2AH, City of Westminster, England, United Kingdom
I'm looking for a Contract Java Software Engineer to join my client in their FinTech Business Unit. 6 month | Inside IR35 | Hybrid (1x week London) | £550 per day What you'll do: Develop scalable, high-performance systems and microservices Solve complex technical challenges and advocate best practices Support compliance processes with advanced tooling and analytics Requirements : - Java + least one additional server-side language (e.g., Python, Go, Scala, etc.) - Experience with multiple data storage technologies (e.g., MySQL, Hadoop, Cassandra ) - Familiarity with AWS services (RDS, Step Functions, EC2, Kinesis) - Experience defining and upholding SLOs/KPIs and participating in architecture reviews - Skilled in testing (unit, integration, end-to-end) and defining SLOs/KPIs . - Understanding of security for authentication/authorization . - Experience with compliance , payments/FinTech , and products impacting large customer bases. Please get in apply if this suits you. Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Computer Futures please visit Computer Futures, 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
Permanent

Job Vacancy
Java Software Developer (DV Security Clearance)

CGI
Published on

Lincoln, England, United Kingdom
At CGI, you’ll play a pivotal role in delivering mission-critical software that directly supports national defence outcomes. Working at the heart of a secure Defence programme, you’ll help shape resilient, high-quality systems that enable our clients to operate with confidence. You’ll be empowered to take ownership of complex challenges, collaborate with experts across disciplines, and innovate using modern standards and best practices. Supported by a culture that values knowledge-sharing, creativity and long-term career growth, you’ll have the opportunity to make a lasting impact while developing solutions that truly matter. 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, on-site position based 5 days per week at a site in Lincoln.

Contract roles and jobs for Java

Java Developer (Kotlin, Groovy...)

The Java developer uses the Java language to design, develop, and maintain robust applications, often in back-end or complex system environments.

Fullstack Developer

The fullstack developer leverages Java to handle server-side development and ensure smooth interaction with the front-end.

DevOps Engineer (Cloud)

The devops engineer uses Java to automate, configure, and optimize deployments in cloud environments while ensuring application scalability.

Solutions Architect

The solutions architect uses Java to design modular, reliable, and business-oriented software architectures.

10 results

Contracts

Contractor Permanent

Location
1

England, United Kingdom

Remote type

Hybrid Remote On-site

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

Date posted

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