East London, London, United Kingdom Hybrid/Remote Options
Client Server
Senior JavaEngineer/Developer (AI) London/WFH to £110k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Senior JavaEngineer role at a global FinTech/CFD trading company that has been consistently voted … networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Your role: As a Senior JavaEngineer you'll join an experienced team working on AI innovation within the business. Your primary focus will be on using Claude code (and other AI tools and … City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas. About you: You have a strong backend Java software engineering skills You have a strong knowledge of modern software architecture, including microservices, APIs and Cloud technologies You have used AI tools in a large commercial enterprise e.g. More ❯
South East London, London, United Kingdom Hybrid/Remote Options
Profile 29
JavaEngineer Salary to £60k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the … manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a JavaEngineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable … week. Client sites could be anywhere but will most likely be in & around London. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service designers to refine and More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Profile 29
JavaEngineer • Salary to £60k + Company Options Scheme • Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the … derive insight from data and deliver citizen services. They’re growing fast and looking for bright, dynamic people to help build their business. Role They’re looking for a JavaEngineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector clients build secure … week. Client sites could be anywhere but will most likely be in & around London. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based microservices, APIs, and connectors within orchestration flows Translate BPMN and DMN models into executable workflows and reusable components Collaborate closely with analysts and service designers to refine and More ❯
South West London, London, United Kingdom Hybrid/Remote Options
Run-Time Group Ltd
Job Title: Mid-Senior JavaEngineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level JavaEngineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and … enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working model, with 2-3 days per week in the office. Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with … in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and More ❯
Warrington, Cheshire, North West, United Kingdom Hybrid/Remote Options
Circle Group
Software Support Engineer - Java - Remote Software Support Engineer with experience in Java, around application support or software development & SQL, is required by a leading company based in the North West. This role will offer mostly remote, so it requires 1 day a week in the Warrington office. You can also progress into a fully-fledged Software … Engineer role. Experience required: Excellent experience with Java in a development or application support environment Solid understanding of programming concepts and structured software development. ITIL standards, especially incident, problem, and change management. Documenting and communicating effectively. SQL wizard with database development. Handle tight deadlines and meet tight SLAs with ease. Duties include: Dive into the technical analysis of … pay up to £60,000 + Flexible working (1 day per week in the office). To apply, press apply now or send your CV to Keywords: Software Support Engineer - Java - ITIL - Flexible working - Manchester - Warrington - Liverpool - Manchester - Leeds - Stockport - Preston - Crewe - Stoke on Trent - Bolton - Blackburn Circle Recruitment is acting as an Employment Agency in relation to More ❯
Reading, Berkshire, England, United Kingdom Hybrid/Remote Options
Opus Recruitment Solutions Ltd
Senior JavaEngineer £140k + Equity – London Java 21, Spring Boot, Microservices, AWS Sometimes the simplest ideas are born from everyday struggles. In regions where inflation is soaring, people have long worried about their savings losing value overnight. Out of that challenge came a new kind of e-wallet, one that allows you to hold money in … s not about flashy features or big promises; it’s about peace of mind and a fair chance to participate in the global economy while protecting income.As a Senior JavaEngineer, you’ll play a key role in building this out and maintaining the backend infrastructure. You’ll work with Java 21+, designing APIs that connect the … mobile app to backend systems, implementing real-time currency exchange logic, and contributing to exciting greenfield projects.Tech stack: Java 21, Spring Boot, Microservices, PostgreSQL, React, CI/CD, AWS.We’re looking for strong x5 Java developers (version 17+) with excellent communication skills and the ambition to thrive in a start-up environment. The rest can be learned along More ❯
Senior JavaEngineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior JavaEngineer with Kafka and Docker skills to join the team on a freelance basis. Must be based in the UK and … Strong systems development experience at all stages of systems development covering design, development, testing, live implementation and post implementation support. Strong hands-on Object-Oriented Design skills Strong core Java programming skills Experience of developing services/micro-services in Java Experience of developing containerised services using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Salt Search
Senior JavaEngineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior JavaEngineer with Kafka and Docker skills to join the team on a freelance basis. Must be based in the UK and … Strong systems development experience at all stages of systems development covering design, development, testing, live implementation and post implementation support. Strong hands-on Object-Oriented Design skills Strong core Java programming skills Experience of developing services/micro-services in Java Experience of developing containerised services using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and More ❯
Senior JavaEngineer/Developer (AI) London/WFH to £110k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Senior JavaEngineer role at a global FinTech/CFD trading company that has been consistently voted More ❯
Senior JavaEngineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior JavaEngineer with Kafka and Docker skills to join the team on a freelance basis click apply for full job details More ❯
JavaEngineer Salary to £60k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Huxley Associates
Full Stack Software EngineerJava React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack Software Engineer Technical focus - React … and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office Full Stack Software Engineer which is primarily GUI focused on React, 70% and … some back end with Java 30% This is a front office derivatives investment bank, and you will be working with international teams on big front office trading projects This role will be interviewed in December, and offer out in January Position Description Derivatives Front Office Full Stack Application We're looking for a Software Engineer for our front More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Huxley
Full Stack Software EngineerJava React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full Stack Software Engineer Technical focus - React … and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This is an AVP Banking front office Full Stack Software Engineer which is primarily GUI focused on React, 70% and … some back end with Java 30% This is a front office derivatives investment bank, and you will be working with international teams on big front office trading projects This role will be interviewed in December, and offer out in January Position Description Derivatives Front Office Full Stack Application We're looking for a Software Engineer for our front More ❯
Job Title: Mid-Senior JavaEngineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level JavaEngineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and More ❯
Warrington, Cheshire, United Kingdom Hybrid/Remote Options
Circle Group
Software Support Engineer - Java - Remote Software Support Engineer with experience in Java, around application support or software development & SQL, is required by a leading company based in the North West. This role will offer mostly remote, so it requires 1 day a week in the Warrington office. You can also progress into a fully-fledged Software … Engineer role click apply for full job details More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Harnham - Data & Analytics Recruitment
eFX Software Engineer (Ultra-Low Latency Java) Hybrid/Remote - London Up to £160,000 + Bonus + Benefits We're supporting a major financial services organisation hiring an eFX Software Engineer to build and optimise ultra-low-latency trading systems used across global FX markets. If you're a high-performance Javaengineer who … opportunity. What you'll work on: Engineering sub-40μs latency eFX systems with high throughput and fault tolerance Designing real-time pricing, risk and trading components Evolving low-latency Java patterns (lock-free, low-GC, CPU/cache optimisation) Working closely with quants, traders, architects and senior engineers Influencing technical strategy across distributed, performance-critical systems What we're … looking for: Strong experience in low-latency Java within trading, eFX or electronic markets Deep understanding of networking (TCP/UDP/FIX), Linux tuning, performance profiling Background in designing high-performance architectures and distributed systems Strong grasp of FX pricing, risk, and trading workflows Solid engineering fundamentals: testing, CI/CD, API design, automation Why join? Work on More ❯
Gloucester, Gloucestershire, South West, United Kingdom Hybrid/Remote Options
Omega Resource Group
Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across the … and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python More ❯
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom Hybrid/Remote Options
Morson Edge
Java Software Engineer Newcastle (3 days on site/2 days remote) 12 months initially £55ph inside IR35/Umbrella Due to the urgent nature of the role candidates must have current and transferrable SC security clearance or be happy to undergo the security checks required. Role Overview The Software Engineer will join our collaborative, forward-thinking … Agile Scrum team, working on innovative Geospatial software, using the latest cloud-based technologies. The engineer will be involved in every stage of the software development lifecycle, from initial design through development, testing, and deployment, delivering robust, scalable cloud-based services. The role is based at our clients office in Newcastle. Flexible working arrangements are in place for the … to be in the office 3 days a week, with the opportunity to work 2 days from home. Responsibilities • Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting requirements and coding standards. • Develop reusable patterns and encourage innovation that will enhance team velocity. • Contribute to quality assurance by writing unit and automated tests. More ❯
You'll work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. Java Full Stack Engineer - Consultant/Senior Consultant Salary: £45,000-£70,748 Base locations: London, Manchester or Glasgow (Hybrid working) Organisation : Global IT Consultancy Are you a passionate … Java Full Stack Engineer looking to build modern, impactful digital solutions across a range of transformation programmes? This is an opportunity to join a dynamic, fast-growing engineering community where you'll work with cutting-edge technologies and deliver meaningful outcomes for clients across the UK. About the Role As a Java Full Stack Engineer, you … best practice, innovation and a consultative mindset to shape solutions from end to end. You'll work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. This role is ideal for engineers who enjoy variety, value continuous learning and want to push forward More ❯
Senior Java Software Engineer Bristol (Hybrid – 3 days per week) Up to £75,000 (BOE) ClimateTech Want to use your backend skills to fight climate change? At Bohr, your code won't just power systems, it will directly protect the planet. We're tackling one of the world's most urgent challenges: helping Europe's gas networks detect … insights. Our platform helps utilities spot the largest methane leaks quickly, repair them efficiently, and dramatically reduce greenhouse gas emissions. The Role We're looking for a Senior Backend Engineer to help design, build, and scale the cloud-based platforms that power our methane detection and emissions intelligence systems. You'll work with high-volume data from mobile survey … re after someone technically strong, environmentally motivated, and excited by solving complex problems that have a real-world impact. Essential: 7+ years' backend engineering experience. Strong experience with modern Java (21+) and RESTful frameworks. Solid understanding of SQL and NoSQL databases. Cloud deployment experience (Azure preferred). Experience with CI/CD, containerisation, and testing frameworks. Clear communicator, able More ❯
Senior Java Software Engineer Bristol (Hybrid – 3 days per week) Up to £75,000 (BOE) ClimateTech Want to use your backend skills to fight climate change? At Bohr, your code won't just power systems, it will directly protect the planet. We're tackling one of the world's most urgent challenges: helping Europe's gas networks detect … insights. Our platform helps utilities spot the largest methane leaks quickly, repair them efficiently, and dramatically reduce greenhouse gas emissions. The Role We're looking for a Senior Backend Engineer to help design, build, and scale the cloud-based platforms that power our methane detection and emissions intelligence systems. You'll work with high-volume data from mobile survey … re after someone technically strong, environmentally motivated, and excited by solving complex problems that have a real-world impact. Essential: 7+ years' backend engineering experience. Strong experience with modern Java (21+) and RESTful frameworks. Solid understanding of SQL and NoSQL databases. Cloud deployment experience (Azure preferred). Experience with CI/CD, containerisation, and testing frameworks. Clear communicator, able More ❯
Bradley Stoke, Gloucestershire, UK Hybrid/Remote Options
Bohr Limited
Senior Java Software Engineer Bristol (Hybrid – 3 days per week) Up to £75,000 (BOE) ClimateTech Want to use your backend skills to fight climate change? At Bohr, your code won't just power systems, it will directly protect the planet. We're tackling one of the world's most urgent challenges: helping Europe's gas networks detect … insights. Our platform helps utilities spot the largest methane leaks quickly, repair them efficiently, and dramatically reduce greenhouse gas emissions. The Role We're looking for a Senior Backend Engineer to help design, build, and scale the cloud-based platforms that power our methane detection and emissions intelligence systems. You'll work with high-volume data from mobile survey … re after someone technically strong, environmentally motivated, and excited by solving complex problems that have a real-world impact. Essential: 7+ years' backend engineering experience. Strong experience with modern Java (21+) and RESTful frameworks. Solid understanding of SQL and NoSQL databases. Cloud deployment experience (Azure preferred). Experience with CI/CD, containerisation, and testing frameworks. Clear communicator, able More ❯
Lead Java Developer - Electronic Trading | London | Up to £165k + Bonus A leading financial institution is hiring a Lead Java Developer to join their Equities Cash Technology team in London. This is a high-impact role focused on building and enhancing low latency trading platforms that support benchmark algos, smart order routing, and internal crossing across EMEA and … global markets. What's on offer: Up to £165k base salary + ~20% bonus Hybrid working: 3-4 days/week in the office Cutting-edge Java-based platform with high throughput and low latency Collaborative environment with quants, traders, and global tech teams Modern office near St. Paul's Cathedral with rooftop views, gym, and sustainable dining What … you'll bring: Deep Java expertise (collections, concurrency, NIO, GC tuning) Experience with multithreaded systems and low latency I/O Strong understanding of equities/derivatives markets and algo strategies (VWAP, TWAP, Arrival Price) Familiarity with FIX protocol, agile methodologies, and modern dev tools Ability to mentor junior developers and contribute across the SDLC This is a fantastic More ❯
Lead Java Developer - Electronic Trading | London | Up to £165k + Bonus A leading financial institution is hiring a Lead Java Developer to join their Equities Cash Technology team in London. This is a high-impact role focused on building and enhancing low latency trading platforms that support benchmark algos, smart order routing, and internal crossing across EMEA and … global markets. What's on offer: Up to £165k base salary + ~20% bonus Hybrid working: 3-4 days/week in the office Cutting-edge Java-based platform with high throughput and low latency Collaborative environment with quants, traders, and global tech teams Modern office near St. Paul's Cathedral with rooftop views, gym, and sustainable dining What … you'll bring: Deep Java expertise (collections, concurrency, NIO, GC tuning) Experience with multithreaded systems and low latency I/O Strong understanding of equities/derivatives markets and algo strategies (VWAP, TWAP, Arrival Price) Familiarity with FIX protocol, agile methodologies, and modern dev tools Ability to mentor junior developers and contribute across the SDLC This is a fantastic More ❯
team structure fosters strong connections and collaboration, regardless of location. Technical requirements TDS are looking to hire software developers with a minimum of 3 years commercial experience as a Java Developer, including experience with the following; Java 8+ (Ideally Java 19+ as a bonus) Spring/Spring Boot Persistence Frameworks (Hibernate/Spring Data JPA/MyBatis More ❯