java websphere developer jobs in London

Duration: Until Sep 4th Location: Toronto or Waterloo (Primary location is Waterloo. Remote candidates will be considered however must be in EST time zone)*Needs to be eligible for Reliability Clearance (Should have lived in Canada for 5 consecutive years)Join a platform engineering initiative building a new API and microservices ecosystem from the ground up...

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...

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...

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...

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...

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...

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...

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...

Job ID: Posted: Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Low Latency Java EngineerThis is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of...

HCLTech in London is seeking a Java Developer to help modernise critical Department for Work and Pensions applications. You will design, develop, and migrate components, working with stakeholders and delivery teams.The role requires strong Java and Spring, experience with UNIX/Linux and SQL, and familiarity with GitLab CI/CD in an Agile environment. You will...

Java Developer - Back End with AWS & Kotlin London - Onsite - 12 months SJIT is hiring Software Engineers for a 9-month remote project, working with a leading Global Big Four client. The project is part of a large AWS migration, and experience with AWS and Infrastructure automation is critical. The work includes migration to JDK17, automation of AWS...

Taking care of our customers, our communities and each other. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in innovation and thrives on collaboration. Join our innovative team of Architects at the forefront of a...

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. By combining...

A trusted UK Central Government technology programme is looking for an experienced Senior Java Developer to join their high-impact delivery team. Working on mission-critical systems that support national infrastructure, this role offers the chance to work fully remotely on challenging and technically rich work across legacy and modern platforms.You will be...

Role:Principal / Senior Java Developer – Elite FinTech Rate:Up to £750 per day Location:London Working Pattern:Hybrid Contract:Contract The Role They are looking for an exceptionalPrincipal / Senior Java Developerto join a high-calibre engineering team, working alongside some of the industry's strongest developers, architects and technical leaders. This...

Founded in 2011, Fasanara is a global asset manager and technology platform. We manage c. USD 6 billion AUM (as of December 31, 2025) in Fintech strategies on behalf of pension funds and insurance companies in Europe and North America. With c.110 employees globally, we are a pioneer investor in Fintech Lending, enabling Real Economy Impact. Fasanara manages...

Talan is looking for a talented Java Developer with React experience to join our team delivering cutting‑edge Front Office solutions within Global Markets environments. You will play a key role in designing and enhancing regulatory, alerting, and sales enablement platforms, directly supporting front‑office users and business stakeholders across capital...

60,000 - 75,000 + bonus + benefitsCentral LondonJava Software Engineer – Asset Management Softwareð Salary: 60,000 - 75,000 + bonus + benefitsð 2-3 days a week in Central London office.A central London-based company, who are building trading software for the asset management and hedge fund industry, are looking for a Junior or Mid Java Software...