core java developer jobs in London

Discover your future at Citi Working 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 Overview Job Description Overview Citi is a world-leading global bank. We have approximately 200 million...

Head of Software Development – Applications – Home Based – .Net Core / Native Home Based - UK Wide, Home Based - UK Wide, United Kingdom£NEG - likely to be a Six Figure packageWork HoursFlexibility requiredSoftware DevelopmentContact number07887426975Pension (Matched to 5%) - 25 days hols - PHIRegionHome Based - UK WideA market-leading operating group of companies, established and built over...

Quantitative Developer – Core Data | Prime Brokerage – Digital Assets Location: London OR New York Company Overview: A global prime brokerage platform, purpose-built to support both traditional and digital asset markets. Serving institutional clients, the firm provides integrated credit intermediation, trade execution, and clearing services - enabling counterparties to access global liquidity...

- Strong experience in .NET Core/ ASP.NET Core (Web APIs, microservices). - Expertise in AWS serverless services (Lambda, API Gateway, DynamoDB, S3, etc.). - Knowledge of DevOps practices and CI/CD pipelines. - Proficiency with Git and automated deployment strategies. - Experience with SQL/NoSQL databases (SQL Server, PostgreSQL, DynamoDB). - Familiarity with Docker and containerization. - Strong...

Senior C# Developer / Engineer (C# .Net Core) London / WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading...

NET Developer – Manchester (Hybrid Remote) - £60k .NET Core & Azure DevOps Modernisation | 2pdw in office | Flexible Culture | Agile Scrum NET Developer to join them as they undergo a modernisation project from a legacy monolith to cloud-based microservice architecture. The business uses Agile Scrum methodology so are looking for a candidate with experience working in scrum teams and who is...

Up to £900 per day (via umbrella) London - Hybrid (2-3 days onsite) 12-Month Initial Contract - Immediate Start Join a front-office Electronic Trading Technology team at a Tier-1 Investment Bank, delivering next-generation algorithmic trading systems across benchmark, smart order routing, and internal crossing strategies. The Role You'll work as a Core Java Developer within a high-performing...

PIMCO is a global leader in active fixed income with deep expertise across public and private markets. We invest our clients' capital across a range of fixed income and credit opportunities, leveraging our decades of experience navigating complex debt markets. Our flexible capital base and deep relationships with issuers have helped us become one of the world's largest providers of traditional...

Job Title: AVP – Python/Java Developer Location: London (Hybrid, 2 days in-office) Salary: Up to £120k About the Role: Join a brand-new team at a leading global investment bank, working at the heart of FX Data & Analytics. You’ll be building and supporting the core data and analytics layer that bridges downstream data sources and upstream React-based UIs. The work is a blend of Python and...

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer FX Trading Salary : up to £120k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who...

About Apexon:Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation.Apexon brings together distinct core competencies – in AI, analytics, app...

2 weeks ago Be among the first 25 applicantsThe Trading Infrastructure team is building a high-performance, front-to-back Trading Platform that supports multi-asset trading. The platform is designed to handle financial instruments with low-latency execution, robust risk controls, and seamless integration across trading, risk, operations, and finance workflows.The system is built with a modular...

Job Title: ICON Payment Framework (IPF) Java Developer Location: Manchester Duration : 31/12/2025 Rate: £500 per day INSIDE IR35 We are looking for a highly skilled ICON Payment Framework (IPF) Developer with strong Java expertise to join our Payments Technology team. The successful candidate will play a key role in designing, developing, and maintaining payment processing solutions using the...

Job description Java Full-Stack Developer Location: London (Hybrid) Salary: £85,000 – £90,000 + benefits I’ve partnered with an exciting tech firm who are building software that transforms how stakeholders make important decisions. What started as a consultancy has evolved into a SaaS platform that helps organisations cut through hundreds of pages of board packs and focus on what matters....

Job Description HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare,...

Eeze Hammersmith, England, United KingdomJoin or sign in to find your next job Join to apply for the Senior Java Developer (Chinese Speaking) role at EezeEeze Hammersmith, England, United Kingdom2 days ago Be among the first 25 applicantsJoin to apply for the Senior Java Developer (Chinese Speaking) role at EezeEeze is a fast-growing iGaming provider looking to expand its operations in the...

1. Job purpose We are looking for a sharp Senior Java Developer to play a key role in a small collaborative team building trading venues and associated infrastructure. We follow rapid development and deployment cycles for projects and share ownership of the entire codebase, so you will get great experience across a variety of exchange applications and financial product types. We care about the...

Quantitative Developer – Core Data | Prime Brokerage – Digital Assets Location: London OR New York Company Overview: A global prime brokerage platform, purpose-built to support both traditional and digital asset markets. Serving institutional clients, the firm provides integrated credit intermediation, trade execution, and clearing services - enabling counterparties to access global liquidity...

Discover your future at Citi Working 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 Overview Fixed Income Technology is responsible for delivering state of the art technology solutions to the...

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...