Jobs for java developer at London

Location: UK (Hybrid / Onsite as required) Experience: 2–5 years Role Type: Fixed Term Contract Overview We are building a modern Data Fabric platform that enables the ingestion, transformation, and serving of large volumes of data as high‑quality, reusable data products for analytics, reporting, and operational use cases. The platform operates across...

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.Job OverviewEngineer the future of global finance. At Citi, our Tech team...

Lead Java Developer - 12 Month FTC Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for the client. We do this through...

The Senior Software Engineer is a hands‑on individual contributor responsible for designing, building, and operating mission‑critical FX market infrastructure and matching platforms using C++ and Java. The role focuses on low‑latency, high‑throughput distributed systems with strict availability, resiliency, and data integrity requirements. This role...

At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Developer, you’ll play a pivotal role in designing and developing scalable, resilient back-end systems using the latest Java and microservices technologies. You’ll collaborate with...

Job ID: 94210562048Posted: 2026-08-07Location: London, England, United KingdomCategory: Technology, Applications DevelopmentCompany: CitiEngineer the future of global finance.Apply (by clicking the relevant button) after checking through all the related job information below.At Citi, our Tech team doesn't just support finance – we are helping to redefine...

Paris / LondonTechnology – Software Engineers /FR Executive/Cadre /Hybridða Discover our galaxyJoin the Future of Work ! Malt is Europe's leading freelance marketplace, connecting over 1,000,000 talented freelancers with 100,000+ companies.If you are considering sending an application, make sure to hit the apply button below after reading through the...

Develop and maintain transaction-related backend services using Java and Spring Boot. Build core business processes for order and transaction workflows.Ensure data consistency, system reliability, and correctness across critical business processes.Support stable operation of transaction systems under high concurrency.Participate in requirement discussions,...

Role: Software Developer (Mid-Level) Location: London Salary: Competitive + Compensation Package The role On behalf of a highly regarded fintech organisation, we are partnering to find an experienced Software Developer to join their engineering team in London. This role is suited to an engineer with a strong foundation in building production systems who is...

Job DescriptionDeveloper (PHP/Java)London6-12 monthsOutside IR35Specialist will be part of a Public Protection Directorate Project team working on Reporting services, making use of existing tech stack like PHP, Symfony framework, PostgreSQL. Specialist will be required to work with multiple development, support teams and existing vendor to understand legacy...

Senior Java Developer - BSS/OSS - HYBRID We're looking for an experienced Senior Developer to join a Software Engineering team delivering enterprise-scale solutions. This is a hands-on role where you'll design, develop and enhance high-performance applications while collaborating with architects, project managers and cross-functional teams. You'll also...

Location: LondonCompany: TalanType: [Full-time] About Talan Talan is a global consulting group specialising in business and IT transformation, with a strong presence in financial markets, digital innovation, and data-driven technologies. We partner with leading financial institutions to deliver innovative solutions that drive performance and resilience. We...

Talan is searching for a skilled Java Developer with React experience to enhance their Front Office solutions in Global Markets. You will be key in designing regulatory and sales enablement platforms while collaborating closely with business stakeholders.This role involves developing high-impact, real-time applications in a fast-paced environment, working...

Job ID: 99221505712Posted: 2026-08-14Location: London, England, United KingdomCategory: Technology, Applications DevelopmentCompany: CitiEngineer the future of global finance.Are you the right candidate for this opportunity Make sure to read the full description below.At Citi, our Tech team doesn't just support finance – we are helping to redefine it.Every...

Full Stack Developer (React/Java) SC & NPPv3 required6 months+ on going contract Inside IR35 – Umbrella Remote workingSC & NPPv3 required Key Skills required Our client is working on a large programme looking for Full Stack Developers who can provide strong technical guidance within their agile delivery team, supporting the technical lead to make sound...

Skills and ExperienceYou possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD).Technical ExpertiseYou understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, and Algorithms. Knowledge of additional technologies such as Scala, React,...

Duration: 6 months (Possibility of extension or conversion to FTE)Location: Toronto or Waterloo (95% remote; occasional onsite attendance for training, working sessions, or team needs)After‑Hours Support: Required on a rotational basis (1–2 evenings/week for deployments) *Must be eligible for Reliability Clearance (Must have lived in Canada for the...

OverviewJava Developer – Systematic Hedge Fund (London / Hybrid).ResponsibilitiesDesign and write software for Trading Systems, Middle & Back Office, and Corporate Functions.Develop primarily in Java, with exposure to Python and MATLAB.Collaborate in a highly collaborative, diverse, and learning‑oriented environment.Contribute to software across the full...

Cognizant is seeking a Senior Java Developer to join an international team building a content management system powering video streaming platforms. You will develop scalable Java applications, APIs, and data services while shaping technical direction and upholding high engineering standards.You will mentor juniors, improve reliability, and drive performance....

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance trading platform in London. This onsite role requires hands-on design and optimization of ultra-fast pricing and risk systems, with a focus on concurrency, JVM tuning and low-latency architecture.You will...