senior java developer jobs in London

Senior Ruby on Rails Engineer £600/day Inside IR35 | 6 Months | Predominantly Remote We are seeking a Senior Ruby on Rails Engineer to join a large-scale content transformation programme. This role goes beyond development, requiring someone who can lead technical discovery, solve complex business challenges and help shape scalable solutions from the...

Senior Developer - AI Enablement Platform Remote Up to £525 per day inside ir35 Active SC clearance We are seeking an experienced Senior Developer to join a major government AI programme, supporting the development of an enterprise AI enablement platform. The role will initially focus on building an Enterprise AI Gateway, integrating AI models,...

AI is being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user / agent intent and data context in real time, giving security teams visibility and control across every tool and workflow so companies can move faster with AI while minimizing risk. We operate in one of the...

Java Developer - Java Engineer - Java - Kafka - TDD - Hybrid - London - Immediate Starters Individuals must have commercial experience in working with Kubernetes and Kafka. Roles and Responsibilities:Design, develop and test new micro-service applications using container technologies such as Docker and KubernetesCollaborate with other developers, sharing and...

mote Temporary Experienced Senior Developer About the role Olive Jar Digital is looking for an experienced Senior Developer specialising in Python and Django to support the delivery of digital transformation projects across the public sector. (Active SC Clearance needed) You’ll work within multidisciplinary Agile teams, developing and maintaining...

Role: Java React Developer Type: PERM Location: London, UK Working Model: Hybrid (3 Days per week in Office) We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices. The Tech Stack: Backend: Java (11/17), Spring Boot, Spring Security, Microservices. Frontend: React.js, TypeScript,...

Job Description Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands‑on while guiding teams and shaping technical solutions? Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands‑on while guiding teams and shaping technical solutions? A leading specialist technical consultancy...

Описание Join Capgemini's Financial Services Business Unit within the Cloud & Custom Applications (C&CA) practice, where we Consult with Purpose. Continuously Evolve. Architect Tomorrow. We are seeking a talented Java Full Stack Developer to help deliver scalable, business-critical solutions for Broker Dealer and Capital Markets clients. This role is...

Standard Chartered invites a backend developer to join its Solar platform within the Financial Markets IT community. The role emphasizes delivering high-performance Java services, RESTful APIs, and event-driven components in a hybrid work environment across the UK.You will contribute across the full stack, own technical design, and guide teams towards...

ОписаниеCMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. You’ll design...

Hunter Bond is seeking a Principal/Senior Java Developer for a hybrid London-based role in elite FinTech. You will design and develop high-performance server-side Java applications, driving solutions across both greenfield and complex brownfield projects.Ideal candidates have strong Java experience, a solid software engineering foundation, and a track record...

Citi ищет опытного инженера-разработчика и аналитика для глобальных финансовых систем. Вы будете сотрудничать с управленческими командами, внедрять новые продукты и оптимизировать процессы,...

FX Risk Lead Java Developer + AI (VP)Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build...

Joseph Harry Ltd in London is seeking a Java Developer to join a team of 8 global quantitative developers focused on equity derivatives analysis and productionising models.90% Java, 10% Python; you will work with front office traders and quants, delivering robust software for fixed income and equity markets with strong design and architecture requirements....

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team.We are excited to announce an opportunity for a Senior Full Stack Developer to join our organization as part of our AI Enablement Team.In...

Looking for a role with plenty of growth opportunities?Join one of the world's leading IT services, consulting, and business solutions organization. Backed by decades of experience, the company consistently ranks among the top global IT service providers. With an international presence across multiple countries, the company has built a reputation for...

Experis (Austria) is seeking an Application Developer for a contract role, remotely in the UK with travel to London/Manchester every fortnight. The post focuses on redesigning and migrating applications from COBOL/C++/Java heritage toward Java on AWS within a large programme.You will design, develop, and assure critical components for migration,...

Denizns Ltd in London is seeking an experienced Java Developer with active SC clearance to design, build and maintain RESTful and SOAP microservices using Spring Boot in an Agile environment. You will join a dynamic team to develop scalable Java applications, work across functional groups, and ensure code quality with SOLID principles, TDD/BDD tests, and...

CGI is seeking a Java Developer to design and build scalable, secure back-end services for UK Government programmes. You’ll work in a hybrid setup, collaborating with skilled professionals who own their work and pursue continuous learning. A UK Security Clearance or eligibility is required to participate in sensitive projects.Join an open, supportive...

Senior Java Engineer is required by this international distribution provider as they transform their tech stack and need someone to drive this across design, build and deliver greenfield services, whilst mentoring a small team as they cross-train into Java. You will lead the shift from Legacy code to modern JVM technologies, establish reference...