8 java developer jobs found in London

JAVA DEVELOPER – LONDON – CONTRACT OUTSIDE IR35  – FINTECH In London WE ARE:  At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world’s leading investment banks, investment managers, fintech, and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila, and Montreal, we have a proven track record of delivering powerful, elegant, and intuitive trading technology solutions. We are now looking for a Java Developer to provide services on an exciting project!  The service provision will require:  Solid JVM skills with strong design patterns. Ability to solve complex...

Senior / Lead Software Engineer (Java) - o/s IR35 - Hybrid (2 dpw in office) A large retailer urgently seeks an experienced Senior Software Development Engineer to take a lead role in the design, development and support of scalable, cloud-native Java applications Working in an Agile, DevOps environment, you'll build microservices, APIs and event-driven solutions while collaborating with engineers, data scientists and operations teams to deliver high-quality software. The role is outside IR35 and requires 2 days per week in the office. Responsibilities include: Design and develop scalable Java applications and microservices Build and maintain cloud-native solutions using Azure Improve system performance, reliability and scalability Develop APIs and event-driven services with Kafka Mentor engineers and promote engineering best practices Support software throughout its full lifecycle in a CI/CD environment Essential Experience Experience of designing and...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech, and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila, and Montreal, we have a proven track record of delivering powerful, elegant, and intuitive trading technology solutions. We are now looking for a Java Developer to provide services on an exciting project! The service provision will require: Solid JVM skills with strong design patterns. Ability to solve complex technical challenges, especially in cloud-based environments and by using event driven architecture patterns. Experience of the...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech, and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila, and Montreal, we have a proven track record of delivering powerful, elegant, and intuitive trading technology solutions. We are now looking for a Java Developer to provide services on an exciting project! The service provision will require: Solid JVM skills with strong design patterns. Ability to solve complex technical challenges, especially in cloud-based environments and by using event driven architecture patterns. Experience of...

Senior Full Stack Java Developer 6-Month Contract (Likely Extension to 12 Months) £450 per day | Outside IR35 Remote Working (UK Based) Morgan Hunt are delighted to be partnering with a Government organisation to recruit an experienced Senior Full Stack Java Developer on an initial 6-month contract , with a strong likelihood of extension for a further six months. Working within an Agile, cross-functional delivery team, you 'll help build modern cloud-native applications and replace complex legacy platforms using the latest Java and front-end technologies. The Opportunity Working across the full software development lifecycle, you 'll design, develop and support modern web applications, RESTful APIs and event-driven services while collaborating closely with Developers, Architects, Product Owners and Delivery Managers. This role offers the opportunity to work with modern technologies including Java 21, Spring Boot, React,...

DV Cleared Application Developer | Outside IR35 | 12-Month Contract | Stratford I'm currently looking for an Application Developer with active DV Clearance to join an exciting long-term programme with Cegeka UK . This is a fantastic opportunity to work on projects that are genuinely innovative, solving complex technical challenges and building systems that have never been developed before. You'll have the autonomy to influence technical decisions, collaborate directly with end users, and see the impact of your work quickly. What we're looking for: 3+ years' experience in enterprise Python (or Java, Ruby, Rust, or another OO/functional language) Experience with task orchestration, workflow systems, streaming and batch processing, queueing, ETL, Linux and remote systems Desirable experience: • PyCharm • Streamlit • Prefect • RabbitMQ • AIOPika • asyncio • pandas Just as important is a curious mindset, a passion for solving problems, and the enthusiasm to...

Senior Full Stack Engineer | Outside IR35 | Remote We are looking for a Senior Full Stack Engineer to join a large-scale digital programme within the public sector. This role would suit an experienced engineer who can work across application development and cloud infrastructure within a modern, microservices-based environment. You will contribute throughout the software delivery life cycle, building reliable digital services using TypeScript, Java and AWS. You'll work collaboratively with technical teams and stakeholders, taking ownership across Front End, Back End and DevOps activities. Key Responsibilities Design, build and maintain cloud-native applications and microservices. Develop Back End services using TypeScript, Node.js, Fastify and Java Spring Boot. Contribute to Front End development and integration activities. Build and optimise PostgreSQL databases and data integrations. Deploy and support services across AWS ECS and EKS environments. Develop infrastructure...

Test Analyst – Outside IR35 Contract (must prior experience in testing). Will need to be immediately available. We're looking for a Junior Test Analyst to join a leading financial organisation on an Outside IR35 contract. Based in London (2 days per week onsite) , you'll support system, integration and automation testing across Browser, Java, PowerBuilder, Appian and OpenText applications. You'll create test plans and cases, execute tests, log defects, support UAT, and work closely with developers and business stakeholders. Experience with software testing, strong analytical skills and excellent communication are essential. Financial services experience is advantageous but not essential.