java websphere developer jobs in London

Job Title Senior Full Stack Engineer - (AI enablement) Lifecycle Job DescriptionSo, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for...

Lead technical decision-making and architecture design for JD’s international core systems, ensuring high standards of performance, availability, concurrency, security, and scalability.Design and oversee complex system architectures and drive productization efforts, maintaining architectural quality through hands-on coding, continuous performance...

Job Description Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands‑on while guiding teams and shaping technical solutions? Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands‑on while guiding teams and shaping technical solutions? A leading specialist technical consultancy...

Our client (Financial Services) is looking to hire a Security Cleared Java Developer on an initial contract until Feb 2027, to help on a key project. Working pattern: Hybrid Location: London / Remote Start Date: 01/07/2026 ideally Experience level: 5+ years Requirements Oracle PL/SQL Java Springboot Kafka Hibernate Proven track record on code delivery and...

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...

Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. Job Description We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III (Java/Python Developer) at JPMorgan Chase within the Commercial and...

Addition Solutions is seeking an experienced Backend Developer (Java/Spring Boot) for a fully remote contract. The role focuses on building scalable backend services, REST APIs and microservices in a high-volume environment. You will work with Java and Spring Boot, delivering reliable and efficient backend systems.Prior experience in iGaming, FinTech or...

We're hiring: AWS Technology Lead — Java ModernisationLondon (Holborn), hybrid · [Permanent / Contract] · 12–15+ yearsNCONS Talent Solutions is looking for a hands‑on AWS Technology Lead to take a monolithic Java application running on EC2 and rebuild it as an AWS‑native solution.This is a builder-leader role. You will design the target...

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...

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...

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorganChase within the ETF Technology team in EMEA, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and...

Job Description C# .net Developer – Insurance Our Client is an insurance underwriter in the City of London. They are now looking to grow their software development team and are looking to recruit a C# .net Software Developer. You will have at least 5 to 7 years expertise in developing complex software with C#. A strong mathematical background would be...

Contract: 12 Months Location: Canary Wharf, London – 3 days onsite / 2 days WFH We are currently seeking 2 experienced Senior Java Developers to join a major retail banking transformation programme within a leading financial services organisation. You will be working on a large-scale payments and accounts platform, helping modernise critical banking...

We are seeking an experienced DAML Developer to design, develop, and implement distributed ledger and smart contract solutions using DAML (Digital Asset Modeling Language). The ideal candidate will have experience in financial services, blockchain technologies, and enterprise-grade application development. Key Responsibilities Design and develop smart...

Job Description Software Developer with Full Stack C# and SQL Server Our Client is an international company in the media industry. They are looking to recruit an additional Software Engineer/Developer with full stack software development experience. Must have at least 2 to 4 years of hands-on software development covering both front and backend development....

Build real, production-grade software that powers our global banking businesses. At JPMorganChase, we believe great engineers are made through meaningful challenges, strong mentorship, and a culture that rewards curiosity and craftsmanship. Here, you'll work alongside experienced engineers who are passionate about clean code, scalable architecture, and...

Job SummaryWe have an exciting and rewarding opportunity for an experienced Software Engineering Leader to join JPMorgan Chase.As a Lead Software Engineer within Asset & Wealth Management Risk Technology, you will lead the design, development and evolution of a business-critical risk analytics and reporting platform used by Risk managers and senior...

Energy Jobline CVL in London is seeking an exceptionally experienced software professional to guide a domain spanning vanilla financial products and cutting-edge tech stack. The role requires 15+ years of industry experience and at least 5+ years in banking or trade management, with hands-on development across front-end and back-end systems.You will work...

We are looking for a Senior Full Stack Developer.The role is to build a new Forms capability consisting of a Java 21 / Spring Boot 3 backend service and a React / Vite / TanStack frontend portal, both deployed as containers on AWS EKS.The solution will reuse existing platform services for users, projects, project assignments, document storage/S3, Cognito...

Citibank (Switzerland) AG in London/Global Tech is seeking a senior Java engineer to design and deliver high‑performance trading platform components. You will collaborate with Traders, Quants and PMs to translate business needs into scalable solutions for live markets.The role requires deep Java expertise, knowledge of low‑latency distributed systems,...