java developer jobs in London

Job ID: Posted: Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiJob DescriptionAbout CitiAs the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around...

Full Stack Java Developer – FintechUp to 90,000 + bonusQuant Capital is urgently looking for a FrontendJava Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is.Our client is an innovative tech driven trading (Equities and ETF’s) company with a pioneering new concept for the...

Core Java Developer – Quant Trading90,000 Plus 10% to 40%Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is.Our client is an innovative tech driven trading (Equities and ETF’s) company with a pioneering new concept for the...

Java Developer – Algo Development Technology (Equities)Java Developer – Algo Development TechnologyAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.Our people are empowered with both independence and...

Tech: Core Java, JDBC, Kafka, HDFS, Docker, SQL, MultithreadingChallenge: Greenfield Big Data Analysis Platform Development in FSFirm: Well-known Financial Data fintech50 business, City of London, 10 man flat Dev TeamPay: 85k, Options, training budget, Pension, Life / Health, Some Work from HomeNO FINANCE EXPERIENCE NEEDEDCore Java Developer Big Data...

50,000 - 55,000London AreaDo you have 1 - 3 years commercial experience developing software with Java?Looking to join a company when you can make a real impact? ð Java Software Developer – SaaS Solutions ðð² Salary – up to 55k + bonusð Location – hybrid working 2 days a week in modern London officeWe have a fantastic brand-new opportunity for...

Job Title: Java DeveloperRate: £475 - £525 per day inside ir35Location: RemoteContract: 6 months rollingSC ClearedWe're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services.You'll work across Java, Spring Boot, REST APIs and...

Responsibilities Development & Coding: Collaborate with lead and also Lead the development with mid level developers and implementation of scalable and high-performance Java-based applications. (This post will have more than 80% focus on this). Architecting Solutions and design: Collaborate with cross-functional teams to design and implement robust software...

Senior Java Analyst Developer / Technical ConsultantQuant Capital is urgently looking for a Java Analyst Developer / Technical Consultant to join our high profile client.Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the fintech space and have offices...

## Lead Java DeveloperApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted 30+ Days Agojob requisition id: 26949717**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...

Java / Hybris Developer(up to 50K)Quant Capital is urgently looking for a Java / Hybris Developer to join our high profile client.My client is a well-established online luxury business with headquarters based in London. They are very customer focused and their ethos is that customers are always first. They are looking for someone to join one of the top...

Role:Java Developer Type:PERM/FTE Location:Belfast, Northern Ireland Working Model:Hybrid Core Responsibilities: Develop:Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks. Lead:Guide development efforts, mentor junior developers, and ensure code quality, security, and performance. Collaborate:Partner with...

Salary: £30,000 - 50,000 per year Requirements: Core Java skills, including object-oriented programming, collections, exception handling, and concurrency Experience building and deploying event-driven and RESTful APIs Foundational knowledge of SQL and relational database design Hands-on experience with Linux-based server environments Scripting experience...

We are looking for Java developers, from experienced seniors to hands-on principal engineers, to join long-term greenfield projects with a leading financial institution in London. You will be part of small, high-calibre engineering teams delivering strategic rebuilds and modernisation projects, replacing legacy systems with clean, cloud-aligned solutions...

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...

Fullstack Java Developer2026-09-18T00:00:00LondonGreater LondonGBEC2V 8Any2026-12-17T07:02:20.303hackajob is partnering directly with Atos to hire for this role. Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and...

About Us: Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the...

A leading organisation within the Energy & Utilities sector is seeking an experienced Java Application Developer to support the delivery of business-critical applications within a modern cloud-native environment.£520 p/d Inside IR35Mainly Remote (1 day a week in London, the rest is WFH)6 month+ contractIn the role you will design, develop and support...

Salary: up to £200k base + bonus Summary Tech-savvy algorithmic trading firm looking to hire a Java Developer to help develop and operate the off-exchange trading system and products. This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join one of the only Java teams you will find in HFT. A...