Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative, outcome-driven teams. … want to solve real-world problems with elegant, modular, and testable code—and who want their work to make a tangible difference. 🚀 About the Role As a Senior Software Engineer II , you’ll be responsible for designing and developing backend services and portals that power the core payment processing platform. You’ll work across a variety of languages, frameworks … systems. Essential Skills & Experience: 6–8 years in a software engineering role. Strong command of object-oriented programming and SOLID principles. Expertise in at least one OO language (e.g. Java, C#, Ruby, Go). Experience in server-side development and database design. Proficient in SQL, joins, indexing, and stored procedures. Familiarity with front-end fundamentals (HTML, CSS, JavaScript). More ❯
Manchester, England, United Kingdom Hybrid/Remote Options
Client Server
Lead Software Engineer/Team Lead Manchester/WFH to £80k Are you a hands-on technical leader with strong Java skills? You could be working on complex and interesting systems using the latest technology within a diverse, supportive environment whilst enjoying a range of perks and continual learning opportunities at a global games software house. What's … optical Various wellness experiences, gym subsidy, cycle to work scheme, volunteer days and much more Diverse, supportive environment with great career progression opportunities Your role: As a Lead Software Engineer you will play a key role in guiding and inspiring a small, high-performing development team, working on real-time in sports betting applications. This is an excellent opportunity … Central Manchester three days a week with flexibility to work from home twice a week. About you: You have strong backend software engineering skills and experience You have strong Java, Spring and AWS experience You also have experience with Kafka for data streaming You have a good knowledge of Docker and Kubernetes You have technical/team leadership, mentoring More ❯
City Of Bristol, England, United Kingdom 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 ❯
Java Full-Stack DeveloperLocation: London (Hybrid)Salary: £85,000 – £90,000 + benefitsI’ve partnered with an exciting tech firm who are building software that transforms how stakeholders make important decisions. What started as a consultancy has evolved into a SaaS platform that helps organisations cut through hundreds of pages of board packs and focus on what matters. Their … products combine Java, AI, and modern web technologies to deliver clarity and speed for decision-makers.They’re estimated at nearly $30M, annually, and have 3 offices globally, with the view to grow their UK footprint. Having recently doubled down on AI-driven tools, they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. … What You’ll Do Develop and enhance their core services built in Java (Spring Boot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions and help shape the future Tech Stack Backend: Java (Spring Boot), Ruby on Rails (legacy), Golang More ❯
Croydon, Surrey, England, United Kingdom Hybrid/Remote Options
eTeam Inc
Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge More ❯
Job Role : Java Fullstack Engineer Job Type : Permanent Location : London, UK Work Mode : Hybrid Job Description You will be joining the innovative Information Security Cybertech Engineering team as a full stack software engineer in a global team responsible for developing web applications (Java/Angular), data engineering (Python) and solutions with third party products. You will … Experience writing complex SQL queries (Sybase advantageous). ➢ Proficient with UNIX/LINUX operating systems/commands. ➢ Understanding of API Services (SOAP, REST, Graph). Programming Language: ➢ Proficient in Java EE o with OpenJDK o with Spring 4.0+ Framework o with Spring Boot/Wildfly web servers (or similar) o with Angular 14+ More ❯
Vacaturebeschrijving You ensure that our back-end systems are a bit better every day! How do I become a Medior Java Developer Coolblue Energy at Coolblue? Coolblue energy is an energy company for anybody who wants to save energy. Besides providing our customers with green energy, we also give them insight into how to reduce energy usage. As a … Java developer you'll work together with other development teams to make our back-end systems work optimally and give our customers the best insight and advice to reduce their energy consumption. In this way you contribute to the green energy transition. Would you also like to become a Java developer at Coolblue Energy? Read below if the … job suits you. You enjoy doing this Writing excellent Java code. Coaching and mentoring your medior/junior colleagues. Working with the Customer Journey Specialist to make our customers even happier. Helping colleagues and yourself by reviewing pull requests and programming in pairs. Working in a team that takes full ownership for their systems. Besides improving your technical skills More ❯
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Global Technology division, you will serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable … responsibilities Work with key stakeholders in Sales, Trading, QR, Operations and others globally to ensure the Secondary platform meets business requirements. Directly contribute towards the ongoing efforts to re-engineer & re-architect the existing Secondary platform to make it performant, truly highly available, stable, efficient, and scalable. Lead the effort & contribute towards the identification and implementation of opportunities to … and proficient advanced experience. Ability to solve complex problems and a track record of high performance and delivery. Strong hands-on experience implementing globally distributed real-time systems using Java and Hands-on practical experience in system design, application development, testing, and operational stability Experience in developing, debugging, and maintaining code in a large corporate environment with one or More ❯
Burgess Hill, West Sussex, South East, United Kingdom
Infoplus Technologies UK Ltd
Job Description : Rate : 280 GBP/Day. Work mode: Hybrid - 3 days a week WFO Contract duration: 6 months Location: Burgess Hill Job Details : Role Title: Java Backend Engineer (with good exposure to CI/CD) Required Skills & Qualifications Strong experience in Java, Spring Boot, and microservices architecture. Proficiency with Kubernetes (deployment, Helm charts). Expertise in … Code (Terraform, Ansible). Knowledge of containerization (Docker) and orchestration Bachelors degree in computer science/engineering or 5+ years of equivalent experience in related disciplines *Hands on strong Java skills, CICD, Rest , Spring , Kubernetes (advance) , Git hub actions , CICD , Terraform will be big plus (Interviewing B40 is Terraform SME ) , Platform Engineer experience is a plus. Minimal 7+ … years of experience. Key Responsibilities Design, develop, and maintain backend microservices using Java and Spring Boot. Build and maintain internal developer platforms for application deployment and lifecycle management. Hands-on experience with Kubernetes, including deployment strategies and Helm charts. Implement and maintain CI/CD pipelines using Jenkins and GitHub Actions. Collaborate with development and operations teams to improve More ❯
Belfast, Northern Ireland, United Kingdom Hybrid/Remote Options
Version 1
we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description As an Intermediate Java Software Engineer, you will be part of a cross-functional team, working on developing high-quality, maintainable software solutions to meet our clients' needs. You will continue to … expand your technical skills and contribute to process improvements, while also taking ownership of key tasks and responsibilities within the project. You will use programming languages such as Java and associated frameworks (e.g., Spring/Spring Boot, JUnit, Hibernate, etc.) to develop software that aligns with client requirements. You will follow best engineering practices and help ensure they are … ensure the best experience for our client’s users. Qualifications Experience of working in a Scrum Team and an Agile environment Solid software engineering background covering SOLID principles with Java experience. Solid experience with Test-Driven Development (TDD) principles, writing unit and integration tests to ensure code quality, and maintaining a reliable testing suite to support continuous integration and More ❯
Edinburgh, Scotland, United Kingdom Hybrid/Remote Options
Version 1
we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description As an Intermediate Java Software Engineer, you will be part of a cross-functional team, working on developing high-quality, maintainable software solutions to meet our clients' needs. You will continue to … expand your technical skills and contribute to process improvements, while also taking ownership of key tasks and responsibilities within the project. You will use programming languages such as Java and associated frameworks (e.g., Spring/Spring Boot, JUnit, Hibernate, etc.) to develop software that aligns with client requirements. You will follow best engineering practices and help ensure they are … ensure the best experience for our client’s users. Qualifications Experience of working in a Scrum Team and an Agile environment Solid software engineering background covering SOLID principles with Java experience. Solid experience with Test-Driven Development (TDD) principles, writing unit and integration tests to ensure code quality, and maintaining a reliable testing suite to support continuous integration and More ❯
running AWS is a plus AWS Cloud native application development experience is a must Experience with AWS Infrastructure provisioning technologies Familiarity with cloud database technologies Must have experience with Java and Python Must have experience with git, unit testing, Dev Ops, CI/CD Have experience with authentication protocols SAML and JWT Strong organizational and project management skills. Excellent More ❯
Manchester Area, United Kingdom Hybrid/Remote Options
Burns Sheehan
Role: Senior Java Developer Location: Manchester Flexibility going forward: 2-3 days working from home? Salary: £40,000 - £60,000 Join a leading fin-tech company in supporting one of the worlds most important finance institutes. As a Mid level or Senior Developer, you will be responsible for working on some of the major flagship and most important projects. … You will be joining a workforce of the very best Java talent in fin-tech team designing and developing cutting edge systems for the industry. You will work closely with our product managers, testing team and other internal teams to deliver high quality software solutions for customers around the world. Why would you like to work for this company … as a Java Developer? Round table environment, where contributing to product ideas and development best practice is more than encouraged For the fin-tech industry, this company reduces the 'red tape' and is committed to its agile journey A digital lead organisation who strive to improve their products to suit the customer needs Build and deliver products that will More ❯
We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40s latency pipelines, shaping architecture decisions and solving complex … technical challenges that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts . Building and improving ultra-low-latency messaging pipelines (Multicast, TCP, IPC). Working directly … leadership on system architecture and performance strategy. Driving technical direction and mentoring senior members of the team. What We're Looking For 10+ years professional engineering experience with core Java in latency-sensitive environments. Strong knowledge of: Ring buffers Off-heap/zero-allocation techniques IPC and high-performance networking Linux kernel optimisation Domain experience in eTrading, market-making More ❯
We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40μs latency pipelines, shaping architecture decisions and solving complex … technical challenges that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts . Building and improving ultra-low-latency messaging pipelines (Multicast, TCP, IPC). Working directly … leadership on system architecture and performance strategy. Driving technical direction and mentoring senior members of the team. What We're Looking For 10+ years professional engineering experience with core Java in latency-sensitive environments. Strong knowledge of: Ring buffers Off-heap/zero-allocation techniques IPC and high-performance networking Linux kernel optimisation Domain experience in eTrading, market-making More ❯
We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40s latency pipelines, shaping architecture decisions and solving complex More ❯
This role focuses on building high-performance, scalable Java services at the core of an ultra-low-latency global trading platform. You'll work on complex, data-intensive systems that support real-time pricing, configuration management, and electronic trading operations. Key Responsibilities Develop software across both functional features and non-functional objectives such as performance and scalability. Build and … quantitative research and trading teams on design, usability, and platform enhancements. Produce clear technical documentation, including architecture decisions and complex code explanations. Key Requirements Strong understanding of the core Java platform. Experience in Financial Services, ideally trading/FX Experience with JavaScript/TypeScript and HTML5 (highly desirable). Solid knowledge of computer science fundamentals, including data structures and More ❯
Abingdon, Oxfordshire, United Kingdom Hybrid/Remote Options
Halliburton
around the world Qualifications & Experience Essential Attributes: 4+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 4+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯
Telford, Shropshire, England, United Kingdom Hybrid/Remote Options
F5
We're Hiring: Java Developer(s) £50,000-£80,000 (hiring across multiple levels) Hybrid Working - Shropshire - 3 days per week. Join a leading consultancy! If you're driven by curiosity, collaboration, and continuous learning, this role is for you! You'll join a large, long-term digital transformation programme to modernise key public-facing services. You'll attend … days per week, rest from home) and you MUST be eligible for SC clearance and have experience with Spring Boot. What You'll Do: Build scalable microservices using Java and Spring Boot Deliver high-quality code through TDD, BDD, and pair programming Create and maintain RESTful APIs and asynchronous services Get hands-on with the DevOps lifecycle from development … deployment and monitoring Design and implement cloud-native solutions Collaborate with analysts, designers, and engineers in Agile teams What You'll Bring: Eligibility for SC Clearance Strong experience with Java, Spring Boot, and integration frameworks Solid grasp of TDD, unit testing, and CI/CD practices Experience building synchronous and asynchronous microservices Knowledge of Docker, Kubernetes, cloud platforms Familiarity More ❯
Java Full-Stack DeveloperLocation: London (Hybrid)Salary: £85,000 – £90,000 + benefitsI’ve partnered with an exciting tech firm who are building software that transforms how stakeholders make important decisions. What started as a consultancy has evolved into a SaaS platform that helps organisations cut through hundreds of pages of board packs and focus on what matters. Their … products combine Java, AI, and modern web technologies to deliver clarity and speed for decision-makers.They’re estimated at nearly $30M, annually, and have 3 offices globally, with the view to grow their UK footprint. Having recently doubled down on AI-driven tools, they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. … What You’ll Do Develop and enhance their core services built in Java (Spring Boot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions and help shape the future Tech Stack Backend: Java (Spring Boot), Ruby on Rails (legacy), Golang More ❯
London and they go the office 3 to 4 times a week and this will be a 6 month contract initially. Description Lead the design, development, and implementation of Java-based applications and systems. Help to plan future development. Collaborate with cross-functional teams to gather and analyse requirements. Ensure the scalability, performance, and reliability of software solutions. Mentor … Deal with a variety of clients. Work alongside the outsourcing partners Maintain and improve existing systems by identifying and fixing bugs or implementing enhancements. Keep updated with the latest Java technologies and integrate them into projects as needed. Prepare technical documentation to support solutions and team processes. Contribute to the strategic planning of technology initiatives within the organisation. Profile … Must haves: Java Worked in the Derivatives market Strong communication Dealt with clients or stakeholders Modelling financial products and processes APIs and Integrations Nice to haves: Python Worked in derivatives product classes Hands on model development experience Experience with collateral malmanagement Worked with regulatory processes Job Offer Contract role More ❯
London and they go the office 3 to 4 times a week and this will be a 6 month contract initially. Description Lead the design, development, and implementation of Java-based applications and systems. Help to plan future development. Collaborate with cross-functional teams to gather and analyse requirements. Ensure the scalability, performance, and reliability of software solutions. Mentor … Deal with a variety of clients. Work alongside the outsourcing partners Maintain and improve existing systems by identifying and fixing bugs or implementing enhancements. Keep updated with the latest Java technologies and integrate them into projects as needed. Prepare technical documentation to support solutions and team processes. Contribute to the strategic planning of technology initiatives within the organisation. Profile … Must haves: Java Worked in the Derivatives market Strong communication Dealt with clients or stakeholders Modelling financial products and processes APIs and Integrations Nice to haves: Python Worked in derivatives product classes Hands on model development experience Experience with collateral malmanagement Worked with regulatory processes Job Offer Contract role More ❯
London and they go the office 3 to 4 times a week and this will be a 6 month contract initially. Description Lead the design, development, and implementation of Java-based applications and systems. Help to plan future development. Collaborate with cross-functional teams to gather and analyse requirements. Ensure the scalability, performance, and reliability of software solutions. Mentor … Deal with a variety of clients. Work alongside the outsourcing partners Maintain and improve existing systems by identifying and fixing bugs or implementing enhancements. Keep updated with the latest Java technologies and integrate them into projects as needed. Prepare technical documentation to support solutions and team processes. Contribute to the strategic planning of technology initiatives within the organisation. Profile … Must haves: Java Worked in the Derivatives market Strong communication Dealt with clients or stakeholders Modelling financial products and processes APIs and Integrations Nice to haves: Python Worked in derivatives product classes Hands on model development experience Experience with collateral malmanagement Worked with regulatory processes Job Offer Contract role More ❯
empowered to deliver in a dynamic, fun and fast-paced environment. Celebrate successes and grow with us! This is a mid-level position on the Platform team. As an engineer in this role you will develop and maintain variety of features of Aravo Enterprise Platform with focus on APIs, 3rd party integrations and bulk data processing tools implemented in … Java and Groovy, as well as supporting documentation. We are looking for a creative problem solver with a curious mind and can-do attitude. Responsibilities: Design, develop and test platform features, integration tools and APIs. Investigate and fix defects. Contribute to initiatives on software architecture and infrastructure, development process. Analyze Integration requirements, perform gap analysis and data mapping. Maintain … in Computer Science or related field or significant exposure to programming at university or open source projects. 5+ years of experience developing Web/SaaS/PaaS applications using Java and Spring. Experience building RESTful API servers and clients. Practical knowledge of Continuous Integration and Continuous Delivery pipelines. Working knowledge of a prominent RDBMS and ORM; XML and JSON More ❯
to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you. As a Software Engineer II at JPMorgan Chase within the Corporate Technology - Corporate Oversight & Governance Group, you will be part of an agile team dedicated to enhancing, designing, and delivering the software components … debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages Demonstrable ability to code in one or more languages: Java, Spring boot, JPA, SQL, REST and modern front-end technologies like React, Angular, TypeScript, CSS, HTML, NodeJS, NextJS Experience with working on micro services, distributed architecture, Kubernetes and Kafka More ❯