20 of 20 Java Engineer Jobs in London

Java Engineer

Location
London, United Kingdom
Java Engineer Rate: £450.00 - £475.00 (inside IR35) Location: Telford (2 days per week onsite) Clearance: Active SC Clearance or SC Eligible The Opportunity We're looking for a Java Engineer to join a large-scale Agile delivery programme supporting the development and enhancement of business-critical … multidisciplinary team, you'll contribute to the design, development, testing, and support of enterprise applications, helping deliver secure, reliable, and scalable solutions using modern Java technologies. Key Responsibilities Develop and maintain applications using Java and Spring Boot . Design and develop Oracle PL/SQL packages, procedures ...

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 ...

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 ...

Full Stack Engineer (Java/React) - FX Trading

Hiring Organisation
Revolution Technology Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 535 Daily
Full Stack Engineer (Java/Kotlin & React) | FX Trading | Contract | London | Up to £535 p/day (Inside IR35 via Umbrella) I'm working with a global consulting firm that's building the strategic software behind a tier-1 bank's FX trading business in London, and they … need a Full Stack Engineer to join the team. It's proper end-to-end ownership, from first idea through to production and beyond, in a team that takes AI-assisted development seriously and has zero tolerance for sloppy code. What you'll be doing: Designing, building and scaling ...

Senior Java Full Stack Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Java Full Stack Engineer Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Bristol, Manchester or Glasgow Overview We're looking … Senior Java Full Stack Engineer with strong backend and frontend development experience, alongside proven experience leading teams, managing stakeholders and working directly with clients You'll play a key role in delivering innovative digital solutions for enterprise clients, providing both strong technical leadership and hands-on development expertise. ...

Java Low Latency Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Position: Java Low Latency Engineer Location: London, UK (Hybrid-3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal … candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge of GC, JNI, Java ...

Java Automation Test Engineer

Hiring Organisation
Sparta Global Limited
Location
South Croydon, London, United Kingdom
Employment Type
Permanent
Salary
£24,000
passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan … will be reviewed accordingly, aligning to availability and requirements ensuring we can match the right candidates to the right roles. We are seeking Junior Java Automation Test Engineer, Technical Consultants to join our team: Automation Testing is at the core of defining, developing and testing products for businesses ...

Senior Fullstack Software Engineer - (Java, Spring Boot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves … Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate … About You Professional knowledge and experience Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Location
Bexley, South East London, United Kingdom
looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate … About You Professional knowledge and experience Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some ...

Lead Software Engineer (Java, Spring Boot, AWS)

Location
London, United Kingdom
technology, data and human-centred design, the consultancy focuses on building sustainable digital solutions that make a positive difference. As a Lead Software Engineer, you'll play a key role in designing and developing high-quality software solutions, providing technical leadership and supporting a team of engineers to deliver … combine hands-on development with mentoring, architectural decision-making and driving engineering best practice. This is an excellent opportunity for an experienced engineer who enjoys leading from the front, working collaboratively and contributing to impactful public sector digital transformation projects. Key Responsibilities Lead the design, development and delivery ...

Software Engineer III (Java & JavaScript)

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Software Engineer III (Java & JavaScript) Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About the team: You will … data manipulation languages. Understanding of data modelling principles. Ability to work with complex data models. Proficiency in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, UNIX. Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows ...

Senior Fullstack Software Engineer - (Java, Spring Boot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems click apply ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes click apply ...

Senior Java Systems Engineer - Platform Exchange / Matching Engine

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
delivering powerful, elegant and intuitive trading technology solutions, and we value technical pragmatism, collaboration, and clear communication. We're looking for a Senior Java/Systems Engineer with significant experience in Platform Exchange Systems to design, deliver, and optimise production-ready, high-performance, low-latency technology using Aeron. … hands-on engineer who enjoys designing and optimising low-latency Java services and protocols across the full delivery lifecycle. Someone with genuine experience building Matching Engines and Platform Exchange Systems. Driven by evidence-based engineering, automated testing, benchmarking, and profiling rather than guesswork. A clear, confident communicator ...

Senior Software Engineer II - Backend (Java) - Account Sharing

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
111000 to 145000 GBP Annually
world's money. For everyone, everywhere. More about our mission and what we offer . We are looking for a Senior Backend Engineer to join the Account Sharing team within Wise’s Consumer Squad . The team is focused on building entirely new products in the shared finances space … build scalable distributed systems and deliver customer-facing products used by millions of users. You are proficient in backend programming languages such as Java, Kotlin, Python, or Go . You have strong experience designing asynchronous, reliable, and scalable systems within microservice architectures . You are comfortable working in greenfield ...

Senior Java Distributed Systems Engineer - Fintech - London

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work on distributed … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. ...

Python / Java Engineers - Risk

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Global Financial Services client is hiring for experienced Java or Python Engineers with strong Market Risk and FRTB IMA experience to join a high-profile regulatory technology programme. This will be a permanent role paying between £80K - £110K. Based in the City on a hybrid basis - 3 days … week in the office. Experience includes: * Strong Java and/or Python engineering experience * Hands-on Market Risk experience * Strong understanding of FRTB IMA * Experience with Expected Shortfall (ES), NMRFs, P&L Attribution and Backtesting * Experience working with large-scale financial data and complex risk calculations * Strong communication ...

Python / Java Engineers - Risk

Hiring Organisation
CBSbutler Holdings Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 110,000 Annual
Global Financial Services client is hiring for experienced Java or Python Engineers with strong Market Risk and FRTB IMA experience to join a high-profile regulatory technology programme. This will be a permanent role paying between £80K - £110K. Based in the City on a hybrid basis - 3 days … week in the office. Experience includes: Strong Java and/or Python engineering experience Hands-on Mar click apply for full job details ...