java developer jobs in London

Senior Java Developer - UK Investment Bank (Tier 1) Rate: £750 - 800 PAYE Inside IR35 (£195,000 - £208,000 annum gross) - (Equiv. to £1,103.36 - £1,176.92 Umbrella) Contract: 6 months + extensions (long term project 2years minimum, potential for 4-6 years) Location: London, UK Flexi: 2 days a week onsite, 3 days from home Benefits: 38 days annual leave...

Role: Java Full Stack DeveloperLocation: London (Canary Wharf), UKContract: 6+ MonthsType: Hybrid (3 days a week)Job DescriptionThis project is to build and extend an Integrated client coverage platform to bring together information both internal and external on our client with insights, contacts and interactions, revenue, lending, wallet share and more. The...

HybridEngineeringContractLondon is seeking an experienced Java developer to join our team on a 12 month contract outside IR35. You will help define and deliver solutions iteratively, mentor the development team and drive adoption of new technologies to deliver business value.The role is on-site in Paddington, London, three days per week, and requires prior...

A leading financial technology environment is looking for a Senior Java Low-Latency Developer to join a 12-month contract in London, working hybrid three days a week. You'll be part of a global engineering function delivering technology where performance, resilience and reliability are critical. The role focuses on building and enhancing high-performance...

We are looking for a Senior Full-Stack Engineer to join our global Investment Banking client. You will be responsible for the development and overall implementation of AI-enabled web applications in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation journey that will require a...

A well-established financial markets firm is seeking a Senior Java Trading Systems Developer to support the continued development of its electronic trading technology.This is a hands-on engineering position focused on building and improving systems used to manage orders and trading activity across multiple markets and venues. The successful candidate will...

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 systems that matter. Look to join a team...

Role Overview The position combines hands-on Java development with operational support of PingDS (ForgeRock DS) and broader IAM infrastructure, working across development, deployment, migration, and production support activities. The role sits within a modern DevOps environment and requires familiarity with automation, CI/CD pipelines, and AI-assisted...

Methods Business and Digital Technology is seeking a Full Stack Developer to design, build and test cloud-based applications across the full stack. You will work on front-end and back-end development, creating prototypes, APIs, and services that support discovery work within UK-based projects.You will contribute to Azure-based deployments, RESTful APIs, and...

Overview Sells: Cutting-edge tech, a collaborative and flat-structured environment, beautiful offices My client is looking for the best Full Stack Developers to join their high-performance team! You will be integral in designing building slick and complex enterprise-grade applications that are crucial in supporting trading activities around the globe! In...

About Scrumconnect ConsultingScrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.With a strong commitment to user-centred design and agile delivery, we continue to build...

Company Powa Technologies Limited is a leader in m-Commerce (mPOS, mobile wallet) and e-Commerce. Our international customers include major banks, telcos, and large retailers. We’re seeking smart people to join technical team at our Central London location as we dramatically expand our business. The Tech Blurb What we do: Make design decisions...

At DTN we help people gain visibility with leaders and decision makers.  We are on a mission to showcase overlooked talent that possesses the relevant and transferable skills organisations need to innovate and thrive.  We believe in a future where talent wins. This is an opportunity to gain visibility with leaders in a global financial services...

The successful candidate will have excellent written, oral communication and interpersonal skills and demonstrate skilful application of the following core competencies:Performance bias – takes responsibility for achieving results, overcomes obstacles and adapts approachStrong decision making – effective in analysing situations and clarifying key...

Company DescriptionBskt group is a well funded e-commerce SaaS company that provides online self-checkout services for retail industries. We focus on building a diverse and inclusive company culture and aim to become a global leader in on-demand retail.Job DescriptionWe’re looking for a Java Developer to join our offshore software delivery and support...

Job DescriptionJob Title                      : Java DeveloperLocation                     : WimbledonDuration                     : 6 Months Contract (OR) Permanent Role Job Description          : Experience Level        : ·         Total Experience required – 7...

HireHi ищет квалифицированного разработчика для создания Forms capability: бэкенд на Java 21/Spring Boot 3 и фронтенд на React/Vite/TanStack. Приложение разворачивается в контейнерах на AWS EKS и интегрируется с Cognito, S3 и SES через...

I’m working with a high-growth, global technology business that is looking to hire a Technical Lead into its product engineering organisation. You’ll lead a cross-functional engineering squad, set technical direction, mentor engineers and work closely with Product and Data to build scalable, secure and reliable products used by customers...

**Role/Job title** - Senior Java Low-Latency Developer **Work Location** - London, UK **Role type** **-** Contract InsideIR35 **Mode of working -** Hybrid 3 Days/week **Duration of assignment -** 6 months - 12 months **The Role** As a Senior Java Low-Latency Developer, you will design, develop and deliver high-performance trading, exchange connectivity...

Principal Java Developer We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. This hybrid role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies.If...