senior java developer jobs in London

OneAPPS Consulting (www.oneapps.com) is a Technology consulting firm based out of London and offices across Europe. We are working on various projects involving diverse, multicultural teams with clients across the Europe. We are an invaluable partner and our teams have collaborated to support the growth of our clients. With more than 7 locations worldwide we...

21 hours ago Be among the first 25 applicantsThis range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from Client ServerTech Recruiter - Software Engineering at Client-ServerLead Backend Developer / Software Engineer (Python Java...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 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 DescriptionAbout CitiAs the world's most global bank,...

Sector: DevOps & EngineeringReference: BBBH189943_1794392849Principal Java DeveloperWant to make an application Make sure your CV is up to date, then read the following job specs carefully before applying.- VP | Java, Spring Boot, AWS | Investment BankingCentral London- Hybrid (Tuesday, Wednesday and Thursday in the office)c130,000 + bonus | PermanentA...

Salary: up to £160k base / £300k TC Job description Fantastic opportunity for a Senior Java Developer to join the central Equities Execution team at one of the world’s most prestigious hedge funds. Working across a platform of 350+ Portfolio Manager teams, this team is responsible for optimising how equity orders are executed across the firm –...

Nexus in London seeks an experienced Azure-focused developer. You will design and implement solutions using C# or Java on Azure, integrate with data services, and manage ETL processes. You will work with REST/SOAP, JSON/XML, and BI tools in a hybrid, permanent role.Required 4–6 years in related areas, strong Azure experience, and CS/SE degree. The role...

Contract Senior Full Stack Developer – Java 21 / React / AWSContractTalan (part of the Talan Group) is an expert provider of professional services. Our vision and mission is to take positive action in a complex world for the future good of people and the environment and to enlighten and enable our clients’ transformation in an increasingly complex...

We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays...

OverviewFDJ UNITED is one of Europe’s leading betting and gaming operators, with a vast portfolio of iconic brands and a reputation for technological excellence. With more than 5,000 employees and a presence in around fifteen regulated markets, the Group offers a diversified, responsible range of games, both under exclusive rights and open to competition....

Senior Software Engineer - Futures & Options TradingLondon | Front Office Trading TechnologyA leading financial technology firm is looking for a Senior Software Engineer to help build a next-generation Futures & Options Execution Management System (EMS) from scratch.You’ll be:Building low-latency, front-office trading systemsDeveloping exchange...

We’re working with a Crypto trading business looking for a Senior Java Engineer to build and enhance its front-office technology. You’ll develop the systems that support how the business prices trades, monitors its exposure and manages risk. This includes building pricing and quoting functionality, developing automated hedging components and extending...

SmartChoice are supporting a data platform programme for a global financial services organisation and require a number of senior backend (Java) developers to join on a 6 month contract. In this role you will be responsible for: Design and implement core functionality within Data Fabric backend services. Develop and enhance rule definitions used for policy...

Our client is a Global Investment bank who are undertaking a new programme of work for their Prime technology business. A globally distributed team, you will be responsible for the build of a centrally automated platform.The tech stack is: Java, Spring, Apache toolkit (Flink, Kafka, Ignite) and Angular. Candidates must have proven and demonstrable experience...

We are an industry-leading iGaming and sports betting technology company, building high-throughput, real-time platform solutions that process millions of transactions daily across global markets. We are expanding our engineering division in London and looking for a Senior Java Full-Stack Engineer to take ownership of core betting engines, real-time data...

Exceptional Java engineering, applied where it actually matters.My client — a fast-growing technology joint venture between a global management consulting leader and a global alternative investment fund manager — is hiring a Senior Java Developer to join their technology team, building bespoke systems across banking, financial services and private...

Senior Java / Python Engineer London | Up to £775/day (Inside IR35) or £120,000 Base Salary 5 Days Onsite for the First 6 Months | 4 Days ThereafterThis investments clientis investing heavily in a strategic platform build-out driven by T+1 settlement requirements and continued business growth. We're looking for engineers who enjoy building systems rather...

We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, building low-latency, high-throughput systems in the payments processing domain. This hybrid role (UK) involves designing scalable, real-time services using modern technologies. If you’re passionate about performance, Core Java, and elegant...

Role Summary We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building end-to-end product experiences across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services...

Understanding Recruitment is partnering with an FX Market disruptor FinTech seeking a hands-on Senior/Lead Java Developer to guide the next generation of Java engineers. The role focuses on technical leadership, architecture decisions, and delivering scalable microservices in the cloud, with a strong bias toward low-latency, multithreaded systems.The...

Java Algo Developer - EQ Trading 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 support: the autonomy to pursue ideas with conviction and...