java jobs in London

IG Group in London seeks a Senior Software Engineer to advance AI across Brokerage Services, delivering AI-assisted coding, testing, and deployments within a secure, observable pipeline.You will own features end-to-end, write tests, and review designs while collaborating with product and security teams to ensure robust production systems.This role combines...

Our banking client is looking for an experienced Java / Spring Boot Engineer to join a high-performing technology team, working on the development and enhancement of critical banking applications and services.The successful candidate will have strong experience building scalable, secure and high-performance Java applications, with a focus on Spring Boot,...

This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! Java Software Developer – Sports betting Hedge fund startup - London *Please note this role cannot sponsor. Please do not apply if you are...

We’re looking for a Java Swing Developer to join a team working on a high-performance desktop trading platform. Working on a mission-critical system that supports FX Cash, deposits, futures, swaps, and more. The platform is rich in functionality, handles heavy loads with low latency, and underpins key trading and sales workflows.You’ll help maintain and...

The Wissen team continues to expand its footprint in the USA, Canada, UK, Australia, and India. More openings to come as we continue to grow the team!Please read below for a brilliant career opportunity.Title: Associate/AVPLocation: London, UK (Day 1 Onsite/Hybrid) – FulltimeMode of Work: 3 days/week onsite requiredRequired Experience: 5+ yearsPosition...

Hybrid - 1 day per month in London office We’re looking for an experienced Java Developers to join a fast-paced engineering team on an initial 6-month contract (Outside IR35). You’ll be contributing to the development and enhancement of scalable backend systems in a collaborative, delivery-focused environment. Responsibilities Design, develop, and...

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...

Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software...

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The platform spans on‑premise and cloud environments and underpins a wide range of analytics and operational...

Referment is working with a London-based technology company that builds data transparency and accountability tools for the investment management industry. Its platform aggregates and validates cost and holdings data from across the investment supply chain, allowing pension funds, asset managers and other service providers to share and interrogate validated...

Senior Java Engineer London | Hybrid Myn is recruiting for a major financial services organisation in London and is looking for experienced Senior Java Engineers to join teams building and evolving large‑scale, business‑critical technology platforms. This is an opportunity to work in an engineering environment where performance, resilience and quality...

Job title: L3 - Engineering Support LeadLocation: London, UKWork mode: Fully onsiteSkills: Java and Python and debugging API calls working with UIs.We at Coforge are looking for L3 - Engineering Support Lead in London, UK.Responsibilities:A hands-on team lead is required to provide oversight and leadership in several Marquee applicationsInvestigate and drive...

Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank’s decentralised way of working, delivering systems built for stability, trust, and long-term value.We are on a multi-year technology and digital transformation journey to enhance customer...

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The platform spans on‑premise and cloud environments and underpins a wide range of analytics and operational...

Salary - £115'000 - plus bonus and benefitsTech Stack: Java 11+, Spring/Spring Boot, multi-threading, profiling, performance tuning, RMI, Capital Markets, TDD, BDD, Microservices,Harrington Starr have partnered with an innovative Software Vendor specialising in building SaaS applications for post-trade technology and Capital Markets. We're looking for a...

Quant Capital is hiring for a small, high-performing market maker in London. This is a Mid-to-Senior role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm.What you’ll...

Job Description We are seeking a motivated and enthusiastic Junior Java Developers to join our software development team. As a Junior Java Developer, you will work closely with senior developers and team members to design, develop, and maintain Java-based applications. This is an excellent opportunity for someone looking to grow their career in software...

Role Summary :We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building end‑to‑end product experiences across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services...

Hunter Bond is seeking a Senior Java Developer for a hybrid Central London role with an initial 12-month contract. The position offers an outside IR35 setup and a day rate up to £700, starting in October.You will develop and enhance server-side Java applications supporting settlement and post-trade processes within a fast-paced financial markets...

Tech Stack: Java and low-latency, JVM engineering, FX, eFX, Crypto, hedging and risk-management systems, Aeron, FIX connectivity, Linux, Multithreading,Harrington Starr have partnered with an innovative to Software Developer specialising in Crypto, FX and eFX currently developing high-performing trading systems. We’re looking for a skilled Java or Quant...