Jobs for java senior developer at London

Senior Java Developer: 👨 💻 📍 Location: London 📅 Contract: Inside IR 35 🔒 Clearance: Active SC Clearance preferred, or candidates with a strong likelihood of obtaining SC clearance due to previously held or lapsed clearance About the Role We're looking for a Senior Java Developers to join a high-profile UK Gov programme, supporting the...

We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team;...

Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner for some...

We're looking for an experiencedSenior Java Developer to join a growing engineering team building cutting-edge post-trade technology solutions within a cloud-first environment. This is an opportunity to work on business-critical applications, APIs, client reporting platforms and web portals while customising sophisticated trading systems used across...

We are now seeking a Technical BA with strong experience in JSON schema and an IT background. Some knowledge of insurance is beneficial but not essential. This role is for a Technical Business Analyst experienced in JSON schemas and APIs, with a solid IT background. Working outside IR35, the BA will focus on technical requirements, particularly JSON schema...

We are a leading global asset management firm with over 3,000 employees across 20 offices in 15 countries; we help millions of investors around the world pursue their financial goals. We hire critical thinkers. People who thrive in a collaborative culture like ours where we solve real problems while building the future of finance. You Are excited to be part...

Job Title: Java Developer Location: Northampton About the Job you are considering: Join Capgemini's Cloud & Custom Applications (C&CA) practice as a Java Developer, where you will help design and deliver high-quality solutions that create meaningful business outcomes for our clients. Working within a collaborative and inclusive team, you will contribute to...

Senior Software Engineer | Java | FinTech | Hybrid ( 2 Days per week) I'm currently partnering with an innovative fintech that's helping some of the world's leading financial institutions modernise their payment infrastructure through cutting-edge, real-time payment technology. This is an opportunity to join a highly collaborative product...

We are hiring for Interface / Integration Developer (Java) in London,UK - hybrid - Contract - Inside IR35 NOTE: Looking for candidates from UK only with valid work permit (No visa sponsored) Essential Strong expertise in Core Java (collections, concurrency, NIO) Experience with Spring Boot, JPA, Hibernate Solid understanding of integration patterns (Apache...

The Interfaces team designs, builds, and supports the integration platforms that form a core part of the organisation?s system architecture. These platforms leverage in-house Java frameworks alongside IBM MQ messaging, API gateway technologies, and file transfer solutions. This role is for a Senior Integration Developer who will work within the team to...

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...

Job Title Quantitative Trading Engineer Location London Corporate Title Vice President Group Strategic Analytics (GSA) is part of Group Chief Operation Office (COO) which acts as the bridge between the Bank’s businesses and infrastructure functions to help deliver the efficiency, control, and transformation goals of the Bank. You will join the...

iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading...

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our...

*** Banking Experience Required *** *** £450 - £475 per day inside IR35*** *** No remote working permitted - 5 days on site *** *** No Sponsorship Given *** Senior Software Engineer - Java, Cloud and AI As a Senior Software Engineer in Enterprise Platforms, you will be part of an agile team building and evolving platform services, integrations, and...

Role: Java Developer Employment: Contract - Inside IR35 Location: London,UK - hybrid Skills: Strong expertise in Core Java (collections, concurrency, NIO) Experience with Spring Boot, JPA, Hibernate Solid understanding of integration patterns (Apache Camel) Hands-on experience with IBM MQ (configuration, troubleshooting, performance tuning) Strong...

Sr. Developer - Application Development JAVA N Ready to turn bold ideas into real-world impact? At Genpact, we don’t just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we’re at the forefront of it. Genpact’s AI Gigafactory, our industry-first accelerator, exemplifies how we scale advanced...

Job description Location: London, Hybrid Role Type: 12 Month Contract Rate: £700 - £800 per day Delta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. This role will focus on developing and enhancing low-latency components within an electronic trading (eTrading) and eRisk...

Role: Full-Stack Java Developer Location: London, UK Experience: 5–10+ Years Key Skills: Strong hands-on experience in Full-Stack Java Development Solid Linux/Unix experience Exposure to AI coding tools such as Claude Code, Windsurf, Devin, or GitHub Copilot (preferred) Strong coding and problem-solving skills Comfortable working in a fast-paced...

About the role The payments service team are the heart of Tesco Technology, serving 28 million+ shoppers in the UK and abroad. We deliver HTTP services that reliably manage payments at global scale, 24 hours a day every day. We also provide capabilities that detect and prevent fraud and build upon innovative technologies to reduce loss. 100M+ transactions...