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...

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...

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...

- 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...

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer Leading FinTech Location hybrid in London 3 days a week Salary up to £90k + bonus We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their...

Job Title: AVP – Python/Java Developer Location: London (Hybrid, 2 days in-office) Salary: Up to £120k All potential applicants are encouraged to scroll through and read the complete job description before applying. 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...

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...

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...

Senior Java Developer This is a hybrid role requiring 1/2 days per week in their London office. La Fosse are partnering with a market leading InsurTech provider who are in the market for a skilled Senior Java Developer to join the core software engineering team. This role provides a unique opportunity to lead technical initiatives, mentor team members and help build systems that are scalable,...

Job description Java Full-Stack Developer Location: London (Hybrid) Salary: £85,000 – £90,000 + benefits The information below covers the role requirements, expected candidate experience, and accompanying qualifications. 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...

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,...

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...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

Job Title: ICON Payment Framework (IPF) Java Developer Location: Manchester Duration: 31/12/2025 Rate: £500 per day INSIDE IR35 Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. We are looking for a highly skilled ICON Payment Framework (IPF) Developer with strong Java expertise to join our Payments Technology team....

We have a new Contract Senior Java Developer position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. Apply fast, check the full description by scrolling below to find out the full requirements for this...

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...

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...