London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. W hat's in it for you: Salary to £100k + … 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 Backend Software Engineer you will join a fairly new team working on a new crypto offering to design, develop and implement high performance cloud-native backend services including owning DevOps processes to … ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres, Redis You have experience of running production workloads on Kubernetes (Amazon EKS preferred More ❯
Burgess Hill, Sussex, United Kingdom Hybrid / WFH Options
Randstad Technologies Recruitment
Java Developer 60,000 to 70,000 Burgess Hill - Hybrid Working A well established top tier consultancy firm is looking for experienced Java developers to join their current development team. You will be a key part of our agile development team, building and deploying cutting-edge microservices-based applications. This is a hands-on role where you will … be involved in the full development lifecycle, from design to deployment. What you'll be doing: Designing, developing, and deploying robust and scalable microservice applications using Java 8+. Developing and maintaining BDD test cases using Cucumber to ensure high-quality software. Working with Vert.X (or similar reactive frameworks) for high-performance application development. The Successful candidate will have the … following experience Extensive experience with Java 8+ Proficiency in reactive programming frameworks like Vert.X. or similar frameworks Proficient experience in Spring/spring boot Solid knowledge of relational database - SQL Experience with Behavior-Driven Development (BDD) Extensive experience with Cucumber. 60,000 to 70,000 Burgess Hill - Hybrid Working 3 days in the office 3 days working from home More ❯
Burgess Hill, West Sussex, South East, United Kingdom Hybrid / WFH Options
Randstad Digital
Java Developer £60,000 to £70,000 Burgess Hill - Hybrid Working A well established top tier consultancy firm is looking for experienced Java developers to join their current development team. You will be a key part of our agile development team, building and deploying cutting-edge microservices-based applications. This is a hands-on role where you will … be involved in the full development lifecycle, from design to deployment. What you'll be doing: Designing, developing, and deploying robust and scalable microservice applications using Java 8+. Developing and maintaining BDD test cases using Cucumber to ensure high-quality software. Working with Vert.X (or similar reactive frameworks) for high-performance application development. The Successful candidate will have the … following experience Extensive experience with Java 8+ Proficiency in reactive programming frameworks like Vert.X. or similar frameworks Proficient experience in Spring/spring boot Solid knowledge of relational database - SQL Experience with Behavior-Driven Development (BDD) Extensive experience with Cucumber. £60,000 to £70,000 | Burgess Hill - Hybrid Working 3 days in the office 3 days working from home More ❯
st. louis, missouri, united states Hybrid / WFH Options
Edward Jones
This job posting is anticipated to remain open for 30 days, from 15-Oct-2025. The posting may close early due to the volume of applicants. Team Overview: The Engineer IV in Digital Compliance & Legal is responsible for supporting Branch Team Operations application development, enhancement, and support. They operate within the broader compliance space ensuring activities and application development … align with regulatory requirements. What You'll Do: As a JavaEngineer IV, you will contribute to our financial advisor and branch experiences. You will support key strategic initiatives for our North American Operations, working with key stakeholders across our Branch and Service divisions. Here are a few of the key responsibilities you will be a part of... …/Requirements What Experience You'll Need: Bachelor's Degree and/or equivalent experience 7+ years of experience directly related to in open Systems development skills such as Java, JEE, JSP, Spring, Spring Boot (Microservices), Rest Services, Spring JPA, REST, Kafka, JSON, JUnit, Reactjs, Node.js, IntelliJ, Eclipse, Visual Studio, Azure, JavaScript, LINUX, REACT, HTML, and XML- Including: Considered More ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯
london (city of london), south east england, united kingdom
Arrows
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯
Join as a Junior Java FullStack Engineer and be involved in building and support the technology systems that enable Barclays to verify client identity, suitability and risks when establishing business relationships with Corporate and Investment Banking Clients. We are building out a team to work on a transformation programme to build a more streamlined, high performance client onboarding … ecosystem with AI assisted data driven decision making capability.This is a great opportunity for candidates with Java and spring boot experience looking to upgrade their front end skills and become a strong Fullstack engineer. To be successful as Junior Java FullStack Engineer within this team, you should have experience with:Programming: Core Java, Collections, Multi -Threading More ❯
Join as a Junior Java FullStack Engineer and be involved in building and support the technology systems that enable Barclays to verify client identity, suitability and risks when establishing business relationships with Corporate and Investment Banking Clients. We are building out a team to work on a transformation programme to build a more streamlined, high performance client onboarding … ecosystem with AI assisted data driven decision making capability. This is a great opportunity for candidates with Java and spring boot experience looking to upgrade their front end skills and become a strong Fullstack engineer. To be successful as Junior Java FullStack Engineer within this team, you should have experience with: Programming: Core Java, Collections, Multi More ❯
Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and DV security clearance which typically requires 10 years continuous UK address history usually including no periods of 30 consecutive days or more spent outside of the UK and declaration of … and document low-level designs. Assist in the promotion and delivery of digital transformation engagements. We are looking for experience in the following skills Excellent hands-on experience with Java and associated technologies. Experience working with Spring Boot. Hands-on knowledge of open-source tools, libraries and standards. Some working knowledge of containers (Docker). Strong experience of working More ❯
Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods of 30 consecutive days or more spent outside of the More ❯
Platform Support Engineer Surrey Hybrid – 1 day per month onsite £50,000 to £60,000 We are currently recruiting for a Platfrom Support Engineer to join an industry leading and ambitious financial services company. This is an exciting opportunity with multifaceted responsibilities, including infrastructure, application and batch support. As well as developing and maintaining Grafana dashboards. What you … ll do: • Support batch processing and carry out proactive analysis across squads and services. • Support and triage Java products • Provide application support for Java. • Review Java code and suggest improvements to enhance quality and performance. • Investigate and resolve production incidents, problems, and change requests. • Offer expertise on business processes for projects and production support issues. • Maintain core systems … ready data archiving strategies. • Provide data analysis to support business decisions • Deliver patching, database fixes, and business-critical data correction services. What we’d love you to bring: • Extensive Java knowledge and experience is required for this position, Java 17+ (preferably 21), Spring Boot • Jenkins, GIT and CI/CD • Jira and Confluence • Monitoring/alerting tools and More ❯
Platform Support Engineer Surrey Hybrid – 1 day per month onsite £50,000 to £60,000 We are currently recruiting for a Platfrom Support Engineer to join an industry leading and ambitious financial services company. This is an exciting opportunity with multifaceted responsibilities, including infrastructure, application and batch support. As well as developing and maintaining Grafana dashboards. What you … ll do: • Support batch processing and carry out proactive analysis across squads and services. • Support and triage Java products • Provide application support for Java. • Review Java code and suggest improvements to enhance quality and performance. • Investigate and resolve production incidents, problems, and change requests. • Offer expertise on business processes for projects and production support issues. • Maintain core systems … ready data archiving strategies. • Provide data analysis to support business decisions • Deliver patching, database fixes, and business-critical data correction services. What we'd love you to bring: • Extensive Java knowledge and experience is required for this position, Java 17+ (preferably 21), Spring Boot • Jenkins, GIT and CI/CD • Jira and Confluence • Monitoring/alerting tools and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
london, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a JavaEngineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯
Java Developer – High-Performance Trading Systems - Fully Remote - up to £100k base About the Company We’re a fast-growing proprietary trading firm operating across multiple global cryptocurrency exchanges. Founded by a team with deep experience in financial markets and algorithmic trading, we’ve already achieved top-tier market-maker status, handling trading volumes exceeding $100M per month — all … within our first six months of operation. About the Role We’re looking for a talented Java Developer to join our small, high-performing engineering team. You’ll play a key role in expanding our trading infrastructure, integrating new exchanges, and building scalable, low-latency systems that power our trading strategies. This is an opportunity to work on cutting … edge systems in a start-up environment where your work has a direct and measurable impact. Key Responsibilities Develop and maintain high-performance backend services in Java Deploy code to production frequently in a fast-paced, agile environment Build scalable, event-driven systems handling large volumes of real-time data Take ownership of your code — from design through deployment More ❯
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 mentoring junior engineers, collaborating with cross-functional teams, and driving … to non-technical stakeholders. About You 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 programming languages (e.g., Python … Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness of principles like well architected and secure by design Desirable Previous experience in More ❯
Our client are a high frequency trading firm based in London. They're looking for a back-end Javaengineer who will contribute to both sides of the stack. This isn't a typical full-stack role, your time isn't split between backend and frontend work. They have a frontend team in place. You will not be … designing UI. Instead, you will build high-performance Java services that power the trading UI. So yes you need frontend awareness, but your focus is on backend engineering that makes the UI fast and reliable. What you will do: Design and build Java services that feed real-time data to the frontend. Work with the UI team on … back-pressure, and error handling. Improve end-to-end latency by looking across the stack. What you'll bring: Strong knowledge of computer science fundamentals (data structures, algorithms). Java engineering experience in trading, betting, gaming, or streaming. Hands-on work with real-time or data-heavy systems. Comfortable across server and browser. Not essential (but nice-to-have More ❯
qualities, and qualifications needed for this role. Push the limits of what’s possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorgan Chase within the Global Technology team, you serve as member of an agile team to design and deliver trusted market-leading technology products in a secure, stable … next innovation in payments for merchants, or supporting the integration of our private and public cloud platforms. Job Responsibilities Participates in, design and develop scalable and resilient systems using Java or Python to contribute to continual, iterative improvements for product teams Executes software solutions, design, development, and technical troubleshooting Creates secure and high-quality production code and maintains algorithms … culture of diversity, opportunity, inclusion, and respect Required qualifications, capabilities, and skills Hands-on practical experience in system design, application development, testing and operational stability Proficient in coding in Java or Python languages Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages Overall knowledge of More ❯
CV and skills are a good match. Push the limits of what’s possible with us as an experienced member of our Software Engineering team. As an Experienced Software Engineer at JPMorganChase within the Global Technology team, you serve as member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and … next innovation in payments for merchants, or supporting the integration of our private and public cloud platforms. Job Responsibilities Participates in, design and develop scalable and resilient systems using Java or Python to contribute to continual, iterative improvements for product teams Executes software solutions, design, development, and technical troubleshooting Creates secure and high-quality production code and maintains algorithms … culture of diversity, opportunity, inclusion, and respect Required qualifications, capabilities, and skills Hands-on practical experience in system design, application development, testing and operational stability Proficient in coding in Java or Python languages Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages Overall knowledge of More ❯