1 to 25 of 255 Java Engineer Jobs in London

Senior Software Engineer - Java, Node.js & AWS

Location
Greater London, England, United Kingdom
Senior Software Engineer - Java, Node.js & AWS Edinburgh, Leeds, Manchester or London Build software that matters. Shape the future of engineering. We're looking for an experienced Senior Software Engineer - Java, Node.js & AWS who is passionate about building scalable, high-quality software and helping teams grow. This … challenging assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Software Engineer - Java, Node.js & AWS, you will: Design, build and maintain scalable, secure and resilient backend systems using modern Java, Node.js and the Spring ...

Senior Java Engineer - Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Java Engineer – Hedge FundContract Outside IR35 1200 PDJan StartHybridQuant Capital is urgently looking for a Senior Java Engineer to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability … building a new risk engine for their systematic fund clients. This role will be working with a large distributed system (Built in Java) automating a large volume of realtime data into a portfolio management system. I am looking for a proficient developer with good data knowledge and an understanding ...

Senior Java Engineer - Hedge Fund- Contract Outside IR35

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Java Engineer – Hedge FundContract Outside IR35 1200 PDJan StartHybridQuant Capital is urgently looking for a Senior Java Engineer to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability … building a new risk engine for their systematic fund clients. This role will be working with a large distributed system (Built in Java) automating a large volume of realtime data into a portfolio management system. I am looking for a proficient developer with good data knowledge and an understanding ...

Java Engineer - Investment Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Engineer – Investment ManagementUp to 70,000Quant Capital is urgently looking for a Junior Java Engineer to join our high profile client. The firm is an offshoot of a well known Systematic Trading Hedge Fund. Our client is a well known SAAS technology business … automated testing and validation. Periodic retrospectives (whether a team is running Scrum or Kanban) are the heartbeat of continuous improvement. Day to Day The Java Developer will:·Be designing, developing, testing and deploying micro services into the cloud (AWS)·Be supporting other business units investigating problems, querying data ...

Core Java Engineer Get into Trading / Finance

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Engineer Get into Trading/Finance80k Plus BonusQuant Capital is urgently looking for a Core Java Engineer to join our high profile client. Our client has recently been voted in the fintech 100 (best financial technology businesses). They provide a market leading Execution … rest. Most software is developed in Java. The client trades across Equities, Fixed Income, and FXOn a day to Day basis the Java Engineer will: Support the build and maintenance of our systemWriting and implementing high quality codeUpdating software programsIdentify root cause analysis of software issuesDeploying software toolsCollaborating ...

Full Stack Java Engineer

Location
Greater London, England, United Kingdom
Full Stack Java Engineer Duration: ASAP - 31st December 2027 Workload: Full-time hours Setup: Freelance (Daily Rate/BV or ZZP) Sponsorship: Not Provided Location: Veldhoven, Netherlands (2 days per week onsite, 3 remote) Our client is seeking an experienced Full Stack Java Engineer to support … development and modernisation of a large-scale application platform hosting over 40 business-critical applications. Key Responsibilities Develop and maintain enterprise-grade Java and Angular applications. Contribute to the migration of legacy systems into modern Java/Angular solutions. Design, build, and optimise backend services using Java ...

Java Engineer - Systematic Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Engineer – Systematic Hedge Fund 130,000 Base plus Hedge Fund level Bonus Leading London-based hedge fund has an outstanding opportunity for a Java Developer to join their Algo Trading Strategy team. This will be building out a brand new greenfield trading platform. You will … fund with performance figures of 22%. They are currently looking to expand their high and intraday trading presence across FX and commodities. The Java Engineer will: Work closely with the Head of Trading and the Execution Technology Team and assist in design and development of new trading ...

Java Engineer Small Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Engineer Small Hedge Fund90k, 30% Bonus, 3 days a week in the office. Quant Capital is urgently looking for a Software Engineer with Java and Python skills to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like … identify issues in development or UAT and keep production safe. You will gain considerable knowledge of the trading and asset management space. The Java Engineer Must have:· 2:1 Computer Science from a Red Brick UK or EU University· 3 years software development experience in a small firm ...

Java Software Engineer- FinTech London

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Engineer Get into Trading/Finance80k Plus BonusQuant Capital is urgently looking for a Core Java Engineer to join our high profile client. Our client has recently been voted in the fintech 100 (best financial technology businesses). They provide a market leading Execution … rest. Most software is developed in Java. The client trades across Equities, Fixed Income, and FXOn a day to Day basis the Java Engineer will: Support the build and maintenance of our systemWriting and implementing high quality codeUpdating software programsIdentify root cause analysis of software issuesDeploying software toolsCollaborating ...

Core Java Engineer - Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Engineer – Hedge Fund110,000 Plus BonusQuant Capital is urgently looking for a Java Developer/Java Engineer to join our high profile client. Our client is a $2 billion strong quant hedge fund with performance figures of 22%. They are currently looking … next-gen EMS, order routing systems, execution algos, connectivity to venues and brokers, market data feeds, bespoke multi-dealer execution systems for OTC assets. Java Engineers must have:/PhD in Mathematics/Physics or engineering with strong mathematical backgroundFinancial Services experience in an IB, Vendor, fintech or FundExpert ...

Low Latency Java Engineer

Location
Greater London, England, United Kingdom
Latency Java Engineer Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From … lead applications systems analysis and programming activities. The role is to provide senior, low-latency systems and application framework engineering (skilled in Java, C++ , Rust, KDB, market data, algorithmic trading technology) within the London Based High Performance Architectures (HPA ) team. The team require a specialist on algorithmic trading systems ...

Java Software Engineer - Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Engineer TradingUp to 100,000 + benefits and bonusQuant Capital is urgently looking for a DevOps Engineer to join our high profile client. Our client is a well known Low Latency Algo Trading business. The firm deploys highly sophisticated low-latency algorithmic trading, pursuing a range … financial aspects of the business. Although experience of working with FIX interfaces is an advantage, no prior knowledge of financial markets is required. The Java Engineer Must have: Strong core Java design and development skillsThorough understanding of computing fundamentals, object orientated programming, threading, concurrency and distributed systemsExperience ...

Java Engineer - Market Data

Hiring Organisation
CBSbutler Holdings Limited
Location
London, United Kingdom
Employment Type
Permanent
Java Engineer - Market Data - LSEG/RTSDK Migration Permanent London - Hybrid 3 days per week Salary - £85K - £110K We are seeking an experienced Java Engineer with strong market data and electronic trading experience to support the modernisation of a Futures algorithmic trading platform. The role will … existing RFA market data usage and map functionality to RTSDK. * Assess differences in market data fields and behaviour across relevant exchanges. * Develop enhancements to Java applications and shared frameworks to support RTSDK. * Support a phased migration while maintaining compatibility and system stability. * Develop and execute automated, regression and integration ...

Java Engineer

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
consultative approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are seeking an experienced Java Engineer to join our engineering team and play a key role in designing, developing, and maintaining scalable, high-performance applications. The ideal candidate … will have strong expertise in Java-based enterprise systems, cloud-native development, and modern software engineering practices. Experience with Artificial Intelligence (AI) technologies and AI-enabled applications is highly desirable. RequirementsKey Responsibilities: Design, develop, test, and maintain enterprise-grade Java applications. Assist with technical design discussions and contribute ...

Java Engineer

Location
Greater London, England, United Kingdom
approach, you're comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are seeking an experienced Senior Java Engineer to join our engineering team and play a key role in designing, developing, and maintaining scalable, high-performance applications. The ideal candidate … will have strong expertise in Java-based enterprise systems, cloud-native development, and modern software engineering practices. Experience with Artificial Intelligence (AI) technologies and AI-enabled applications is highly desirable. Key Responsibilities: Design, develop, test, and maintain enterprise-grade Java applications. Assist with technical design discussions and contribute ...

Java Python Engineer - Investment Management

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java Python Engineer – Investment Management 100k, 30% Bonus, 3 days a week in the office. Quant Capital is urgently looking for a Software Engineer with Java and Python skills to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They … sharp end of technology and the possibility of making serious money doing something you are passionate about. Day to Day The Software Engineer will: Creating a new trading architecture for model execution Be designing, developing, testing and deploying micro services into the cloud (AWS) Be supporting other business units ...

QA Engineer - Fintech Selenium Java

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Engineer – Fintech Selenium JavaTo 65,000Quant Capital is urgently looking for a QA Engineer to join our high profile client. They have recently raised (PE and Bank) 50 million and are set for another 100 million raise in February. They are acquiring users at 50,000 per month … boards aim is for a 2billion valuation by July 2022.Day to Day The QA Engineer will: Test within Agile scrum/kanban teamsPlan and execute testing around the product stories and bugsParticipate in sprint standups, demos, and retrospectivesCreate and maintain QA documentation: test plan, test scenarios, checklistsWork with Product ...

Lead Java Modernization Engineer - London, Wembley

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum + Benefits
Title: Lead Modernization Engineer Java/Node.js Salary: Paying £75,000 - £85,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js to join their team. Skills Solid … Experience in Java development with significant, demonstrable experience in Spring Boot and Microservices architecture - not just familiarity, but production ownership. Azure Integration: Proven experience building applications that consume Azure-native services, including Azure Key Vault for secrets, Azure Storage API, and Azure Service Bus for event-driven messaging. DevOps ...

Lead Java Engineer (Risk)

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
overnight batch margin calculations, member‐facing what‐if simulations, and pricing analytics. This contract role sits within CDSClear Risk Technology, focused on the Java‐based risk platform and risk engine that delivers quantitative margin models at scale in a highly regulated environment. ROLE SUMMARY:The role is suited … direction, and an expectation of strong ownership across the end‐to‐end lifecycle of the systems you work on. Key ResponsibilitiesAct as a Lead Java Engineer within the CDSClear Risk Development team, contributing across all stages of the SDLCDesign, implement and evolve core risk-engine components supporting intraday ...

Senior Backend Engineer - Java

Hiring Organisation
Capco
Location
London, UK
Employment Type
Full-time
Senior Backend Engineer – JavaLocation: London (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentPower the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The RoleWe're seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You'll bring expertise … building robust, scalable, cloud-native applications using Java, Spring Boot, and AWS. Working on high-impact platforms for Tier 1 financial institutions, you'll help shape backend architecture, champion engineering best practices, and contribute to the evolution of modern banking technology. You'll also embrace AI-enabled ways ...

Senior Java Software Engineer

Location
Greater London, England, United Kingdom
Senior Java Engineer - Engine by Starling - London At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS … more from the team in some case studies, below, and our work with Women In Tech . Day in the Life of a Software Engineer Running a Backend Team We are looking for engineers at all levels to join the team. We value people being engaged and caring about ...

Senior Java Engineer

Location
Greater London, England, United Kingdom
Senior Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) About Us LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services … everyone can grow, develop and fulfil your potential with meaningful careers. About the Role We are seeking a highly skilled and hands‐on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE ...

Senior Java Engineer

Location
Greater London, England, United Kingdom
Senior Java Engineer London – Canary Wharf FTC – 9 Months (starting in September) Up to 70K We’re working exclusively with a well-established financial services organisation that is looking to add an experienced Senior Software Engineer to their payment project. This is a great opportunity to join … Mentoring and supporting other engineers, encouraging knowledge sharing and continuous development. What We’re Looking For: 4-5 years hands-on experience working with Java and/or Kotlin Commercial experience with AWS (preferred), Azure or GCP. Experience working with CI/CD pipelines, DevOps practices and development automation. ...

Data Engineer-Java

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400 per day
Hiring: Lead Data Engineer (Java) Locations: Newcastle, Glasgow, Manchester, or London Clearance: Active SC Clearance is highly preferred (SC eligible candidates will be considered) Contract Duration: 13+ months Are you an expert Data Engineer with strong Java programming skills? Join our AI & Data team to design ...

Software Engineer - High-Performance Java / Low Latency

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Inside IR35 via Umbrella
Software Engineer - High-Performance Java/Low Latency Role Type: Contract (Inside IR35) Location: London, UK (Hybrid - 3 days per week in-office) Overview We are looking for a specialist High-Performance Java Engineer to join our team in London, focusing on the expansion of Agency … concurrent systems for agency liquidity expansion. Perform fine-grained JVM tuning, garbage collection (GC) optimization, and memory profiling to achieve ultra-low response times. Engineer low-level Java solutions utilizing JNI, Java Unsafe, or JNR-FFI for high-frequency processing. Collaborate across cross-functional engineering and risk ...