51 to 75 of 157 Java Developer Jobs in London

Contract Senior Java Developer – Data/MarketmakingOutside IR35 (6 month rolling) In office – City of LondonQuant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python … PostgreSQL. This si a growing team focused on data ingestion and building tooling for the wider firm. What you'll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the businessWrite clean, testable code with solid engineering discipline (testing, code review, debugging, production support)Maintain ...

Java/Scala DeveloperQuant is urgently looking for a Java/Scala developer to join our high profile client. Our client is a well known algorithmic trading broker based in central London. The environment is that of Facebook or Google, relaxed open with time to think … those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about. The Java Scala developer will be involved in: Web application greenfield developmentWeb analytics & business intelligenceMachine learning, risk modelling, fraud detection. API design and provisionIntegration patterns ...

Scrumconnect Consulting in London is seeking a Java Developer to design, build, and maintain high-performance Java applications. You will implement RESTful APIs, ensure code quality, and collaborate with cross-functional teams in an Agile setting. The role requires SC clearance or eligibility, strong Java experience ...

FalconSmartIT is seeking a Senior Java Developer in London (hybrid) to design, develop and maintain high-quality Java applications using Solace/ION/Python and SpringBoot. You will implement Solace publication/subscription, RESTful microservices, and integration with internal and external systems, while writing unit ...

opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job DescriptionWe are seeking an experienced Senior Full Stack Java Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity … SOLID/DRY principalsHands-on developing/coding role using the following technologies: Frontend (JavaScript/TypeScript or Angular or React or Node)Backend (Java, SpringBoot, Hibernate, Kotlin)Experience in estimation and sizingIntegration experienceAPI Design experienceCloud experienceAppetite to work with emerging AI technologiesSC EligibleAdditional InformationWhy Version 1 At Version ...

Morgan Hunt UK Limited is recruiting a Senior Full Stack Java Developer for a 6-month contract (likely extension) with a UK remote arrangement. You will join a government organisation, working in an Agile, cross-functional delivery team to build cloud-native applications using Java 21, Spring ...

Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What ...

Salt seeks a Senior Java Developer to design, develop, and maintain secure, scalable microservices on AWS. You’ll collaborate with platform engineers, QA, and product teams, following DevOps and security best practices. Hybrid role with 1–2 days on-site, starting ASAP for a 3–6 month contract. … role requires 5+ years of backend experience, strong Java and AWS skills, and familiarity with RESTful APIs, CI/CD pipelines, and security standards. Travel involved. #J-18808-Ljbffr ...

Talan is looking for a talented Java Developer with React experience to join our team delivering cutting‐edge Front Office solutions within Global Markets environments. You will play a key role in designing and enhancing regulatory, alerting, and sales enablement platforms , directly supporting front‐office users and business … Provide 3rd line support and assist in troubleshooting production issues Participate in code reviews and continuous improvement initiatives Skills & Experience (Required) Strong experience in Java (server‐side development) Experience building web‐based applications and REST APIs Good understanding of application performance and optimisation Excellent communication skills, both written ...

Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data … critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do Build core backend services in Java (17/21) for access control and query manipulation Implement deterministic policy/rule engines for data governance Work on SQL parsing, planning, validation ...

advisory work that they cover spans across audit, Accountancy, tax, corporate finance and consulting. On behalf of this organisation, AMS are looking for a Java Developer for a 6 Month contract based in London with 3 days/week in office. Purpose of the role: We are looking … Java Integration Engineer to analyse, enhance and integrate complex enterprise applications within a global financial services environment. The role will use Java, Oracle and the Spring Framework to support highly customised legacy platforms and process large-scale external data feeds. You will help protect data integrity across downstream ...

Java Ruby Python DeveloperQuant Capital is urgently looking for a Java/Scala/Ruby Developerto join our high profile client. Our client is an established financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching, big data … take intractable problems the trading industry faces, employing highly-parallel algorithms, natural-language parsing and a diverse, cutting-edge technology Ruby, Scala, Coffeescript and Java stack. The company structure is very flat and everyone writes code. They are funded by several major banks. I am looking for a Developer ...

Salary 60,000 - 70,000 Job Type Permanent Role Southwark, LondonExciting opportunity for a Java Developer to join an gaming company, to join an award winning and forward-thinking gaming company in Southwark, London.The candidate will be expected to be able to give design recommendations and improve … love of mathematics is a distinct advantage for a role that relies heavily on statistics and probability. Experience of development of stable, scalable Java applications and services. Experience of mathematics associated with statistics, standard deviation and probability, ideally to A level or higher.Responsibilities: Building game engines on the current ...

Overview Vacancy for Lead Developer Java/Scala at The National Archives (UK) 23 January 2023 London Full-Time Person specification About you You are an enthusiastic and organised individual who is keen to join a growing team and make a positive contribution. You have the confidence … 11th to the early 21st century are all to be preserved in the system. We currently operate a series of workflows constructed predominantly in Java, Scala, XSLT and XML Schema running in a Linux environment and we expect Cloud services to play a large role in our future architecture. ...

Hunter Bond is seeking a Principal/Senior Java Developer for a hybrid London-based role in elite FinTech. You will design and develop high-performance server-side Java applications, driving solutions across both greenfield and complex brownfield projects. Ideal candidates have strong Java experience ...

WorldFirst in London is seeking a passionate Junior-Mid Java Developer to design, develop, and deliver scalable Java-based applications. You will write clean, efficient code and work to troubleshoot issues while collaborating with cross-functional teams to refine requirements and deliver solutions. You'll contribute … code reviews and maintain high-quality standards, staying up-to-date with Java technologies, frameworks, and best practices. #J-18808-Ljbffr ...

looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK. This is a hands-on senior engineering role focused ...

global consulting group is seeking a highly skilled eFX Java Developer to join their team in London. This role focuses on designing and maintaining low-latency Java applications for eFX trading systems. The ideal candidate will have strong experience in front-office systems, connectivity, and algorithmic trading. … skills include Core Java, multithreading, and a solid understanding of FIX protocol. A passion for emerging technologies in finance is essential. Competitive compensation is offered. #J-18808-Ljbffr ...

Hunter Bond is seeking a Principal/Senior Java Developer to join a elite FinTech engineering team in London. You will tackle high-scale, business-critical technology at the intersection of financial services and digital assets, working with top engineers and architects in a hybrid setup. You should … have strong Java/server-side experience, Linux, and a track record delivering distributed systems and APIs. FinTech/trading background and blockchain familiarity are highly valued, with hands-on #J-18808-Ljbffr ...

opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology … cause analysis on production issues, drive long‐term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience: Strong experience in Core Java, J2EE, Spring FrameworkExposure to Python scripting and data analysisExperience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income productsWorking ...

solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Full time The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology … cause analysis on production issues, drive long‐term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed ...

Nomura Holdings, Inc. in London seeks a Senior Java Developer for the Rates Intraday Risk Technology team. You will work with Flow Rates desks and quants to translate complex requirements into robust server-side solutions. The role involves contributing to the architecture refresh and building APIs that provide … intraday risk and P&L data. Strong Java, Spring and build tooling experience is essential; exposure to cloud and container tech is a plus. #J-18808-Ljbffr ...

Senior Java Analyst Developer/Technical Consultant105,000 Plus BensQuant 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 … functionality, and undertaking development to deliver functionalities (when required).Technical Consultants/Analyst Developers must have:8+ years' full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript ...

Citi in London is seeking a Lead Java Developer to drive the development of real-time and on-demand risk systems within our global trading and risk framework. You will own the full development lifecycle, from architecture to production support, and collaborate with London-based traders, risk teams ...

lead greenfield initiatives, zero bureaucracy, collaborative culture and stunning office space! Our rapidly scaling FinTech Client is seeking a highly skilled Kafka Engineer/Java Developer to become part of their elite engineering team. You'll join a group of exceptionally talented professionals with experience from top-tier … from the ground up Play a central role in developing robust distributed systems Provide guidance and mentorship to junior engineers Skills Extensive experience in Java development Deep expertise in Kafka Commitment to writing high-quality, maintainable code Experience or strong interest in low-latency systems Bonus: Familiarity with Hadoop ...