java jobs in London

CreateFuture in the United Kingdom is seeking a senior, hands-on technical leader embedded in a client team within a fast-paced, product-led environment. You will be accountable for how your workstream is delivered, not just the code you write, and you will lead from the front to own the outcome.You will set the technical direction, maintain delivery...

Teksystems is seeking a Senior QA Automation Engineer to design and implement robust automation for REST APIs and React-based UI, using Java and Playwright in a financial markets context. You will build and maintain scalable frameworks, expand regression coverage, and integrate tests into modern CI/CD pipelines.Prior FX/trading exposure is advantageous, with...

Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real...

DescriptionAbout Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. Interested in...

Software Development Engineer II - Java Job Description As an SDE2 at Tesco, you are a mid-level individual contributor whose impact reaches across your team. You provide technical leadership for medium to large features, participate in their design, and take accountability for delivery. You are expected to implement and ship end-to-end stories, support...

Build market leading technology products that are secure, scalable, and built for performance. You will work in a cross‑functional agile team that continuously improves how we design, build, deliver, and operate enterprise solutions. This role gives you the opportunity to deepen your full stack skills while solving real business problems across multiple...

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...

JOBS247 INC LTD in London is seeking a Lead Technical Architect to guide Java AWS agentic AI initiatives, bringing strong architectural judgment and hands-on leadership.The role focuses on designing cloud-native, large-scale distributed systems, collaborating with team leads to modernise platforms, and delivering a cohesive architecture for an agentic...

MateHR is seeking a Staff Backend Engineer (Go Lang or Java) to build and scale backend systems for a fintech startup with global reach. The role focuses on tens of millions of cross-border transactions monthly, involving architectural direction, anti-fraud initiatives, and high-performance design.The position is hybrid, requiring in-office presence in...

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...

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and...

IG Group is seeking a Senior Software Engineer to advance the Brokerage Services platform with AI-driven tooling. You will own backend systems in Java, develop AI-assisted coding and testing solutions, and ensure secure, scalable delivery in production.The role emphasizes test-driven development, pair programming, and hands-on ownership of features from...

A technology recruitment firm is looking for a Principal / Lead Full Stack Java Developer in London. The role involves designing and delivering scalable software systems utilizing Java and React, mentoring engineers, and defining technical solutions. Required experience includes strong architectural judgement, microservice architecture, SQL and NoSQL...

ARQ is a fast-growing fintech redefining cross-border money interactions. We are seeking a Backend Engineer to design, develop, and maintain scalable backend systems powering our innovative products.You will collaborate with a talented team to enable financial inclusion and transform how people manage their money. The role focuses on greenfield development,...

JPMorgan Chase is seeking an experienced Software Engineering Leader to join the Asset & Wealth Management Risk Technology group as a Lead Software Engineer. You will design, develop and evolve a business-critical risk analytics and reporting platform used by Risk managers and senior leadership across the firm.You will partner with Product, Risk, Data,...

Winston Fox in London is seeking a Java Software Engineer with 3–5 years of post-graduate experience to join a core Software Engineering team. You will work on front-to-back office systems, including Order Management, Trading, Risk and Finance, primarily in Java with Python, SQL and MATLAB as secondary skills.The role requires strong CS fundamentals,...

CreateFuture, an AI-native consulting partner, is seeking a Senior Fullstack Engineer to shape technical direction, mentor teams and embed AI into delivery. You’ll design scalable backend in Java/Spring and frontend in React, building APIs and microservices that power business outcomes.You’ll collaborate with clients across industries, champion quality,...

Citi is seeking a Lead Java Developer in London to architect and implement real-time and on-demand risk systems. You will own the full lifecycle from design to production support, integrating new analytics and data sets across global teams.The role emphasizes scalable microservices, streaming data, and observability with ELK, Prometheus and Grafana. Hybrid...

Too Good To Go is building a brand-new London engineering hub. We are seeking foundational Senior Backend Software Engineers to join a newly formed team and help shape a global product. You will own complex backend challenges, collaborate with the Lead Engineer, and mentor mid-level engineers as the hub scales.You will work on a Spring Boot Java stack...

Tech Lead - .NET - London - paying up to £110k The Company Our client places engineers directly inside client teams to deliver modernisation, cloud and product work. Their clients range from regulated financial services to high-growth consumer businesses. Because of new client demand, they're looking to add experienced Lead Engineers to the team. The...