SR2 | Socially Responsible Recruitment | Certified B Corporation™
Test Engineer/Automation Tester Back End Focus (Java/Cucumber) Initially till September 2026 - project likely to run for 2 years 500 - 550 inside IR35 p/d We are seeking a highly capable Test Engineer/Automation Tester with a strong back-end focus and expertise in Java, Cucumber, and BDD frameworks. The successful candidate will support the … also contributing to CI/CD and automation best practices in a GDS-aligned delivery environment. Key Responsibilities Back-End Test Automation Development: Develop and maintain automated tests using Java , Cucumber , and BDD frameworks, focused on validating APIs, data flows, and service integrations. Test Planning & Strategy: Contribute to test strategy design and produce structured test plans for back-end testing More ❯
what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. JOB DESCRIPTION Skills required - Java, API Gateway, Microservices, Spring Boot Good understanding of OOPS, Core Java, Advanced Java Hands-on experience with REST API, Spring Boot, Spring Core, Spring MVC Basic understanding of Microservices architecture More ❯
Principal Java Developer- London/Hybrid- up to £95k This is a Principal Java Engineer position with an innovative and light footed fintech startup/scaleup company who are on a mission to revolutionise the credit and lending space. The brand, who have now been running for the last 10 years and backed by VC investment, are looking to hire … for people that are willing to come to their office 3 days per week, there may have a bit of flexibility on this and very flexible hours. Tech Stack: Java 17 Spring Boot AWS Microservices ML/Big Data- desirable Docker/Kubernetes Messaging - Kafka Responsibilities: Design and development of low latency software components Contribute across the entire SDLC Write … ups, sprint panning, retrospectives and foster collaboration Mentor more junior engineers Collaborate with cross functional teams Champion best practice Projects: Migration from some monolithic architecture to microservices Migration from java 11 to java 17 Migration to new versions of Vaadin Brand new lender platform and payment systems for their customers Cultural fit: Super collaborative Process light and the Senior Engineers More ❯
London, England, United Kingdom Hybrid / WFH Options
Fynity
your recruiter to learn more. Base pay range Direct message the job poster from Fynity Senior Delivery Consultant @ Fynity, placing highly skilled talent within the cloud technology sector ️ Principal Java Software Engineer London (Hybrid – 1–2 days/week onsite) Join a FinTech Powering the Future of Payments Are you an experienced Senior/Principal Java Software Engineer who thrives … to enable real-time, secure transactions across the globe. What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD … Kanban/Scrum) What You Bring We’re looking for Engineers who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Lead Backend Software Engineer Java Kafka, london col-narrow-left Client: Client Server Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Lead Backend Software Engineer/Developer (Java Kafka SpringBoot) London/… WFH to £120k Are you a skilled Backend Software Engineer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Backend Software Engineer position at a scale-up technology company with a successful workforce management solution used within the government, defence and other public sector clients. … can work from home most of the time, meeting up with colleagues in the London office once a week. About you: You have significant experience as a backend focussed Java software engineering with leadership responsibilities You have strong Spring Boot, Kafka and event driven microservices experience with high throughput You have leadership, mentoring and coaching skills You have a strong More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead Backend Software Engineer/Developer (Java Kafka SpringBoot) London/WFH to £120k Are you a skilled Backend Software Engineer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Backend Software Engineer position at a scale-up technology company with a successful workforce management … can work from home most of the time, meeting up with colleagues in the London office once a week. About you: You have significant experience as a backend focussed Java software engineering with leadership responsibilities You have strong Spring Boot, Kafka and event driven microservices experience with high throughput You have leadership, mentoring and coaching skills You have a strong … one day a week in London office Pension, Healthcare Impactful role with excellent career progression Apply now to find out more about this Lead Backend Software Engineer/Developer (Java Kafka SpringBoot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯
looking to find a hands-on Site Reliability Engineer to join their mission-critical engineering team. The Role: Our client is building a next-generation digital assets platform using Java Spring microservices on Azure, and they need a systems-focused engineer to own reliability, scalability, and observability at the core of their infrastructure. What You’ll Get A superb opportunity … SRE: SLAs, SLOs, SLIs, error budgets, and incident tooling are at the centre of the role. Own and evolve observability frameworks, define resilience strategies, and contribute directly to the Java backend codebase. Join a team shaping institutional crypto infrastructure, with full cloud-native architecture (AKS, Application Insights, Terraform). You’ll be the bridge between software engineering and operations, directly … influencing architectural decisions. What You’ll Bring 8+ years in production engineering or SRE roles. Deep Java/Spring experience. Expertise in monitoring, alerting, and incident tooling (Prometheus, Grafana, OpenTelemetry, ELK, etc.). Experience with Azure, Kubernetes, and scalable systems in high-uptime environments (fintech/crypto preferred). If you're a seasoned engineer who loves clean code, deep More ❯
looking to find a hands-on Site Reliability Engineer to join their mission-critical engineering team. The Role: Our client is building a next-generation digital assets platform using Java Spring microservices on Azure, and they need a systems-focused engineer to own reliability, scalability, and observability at the core of their infrastructure. What You’ll Get A superb opportunity … SRE: SLAs, SLOs, SLIs, error budgets, and incident tooling are at the centre of the role. Own and evolve observability frameworks, define resilience strategies, and contribute directly to the Java backend codebase. Join a team shaping institutional crypto infrastructure, with full cloud-native architecture (AKS, Application Insights, Terraform). You’ll be the bridge between software engineering and operations, directly … influencing architectural decisions. What You’ll Bring 8+ years in production engineering or SRE roles. Deep Java/Spring experience. Expertise in monitoring, alerting, and incident tooling (Prometheus, Grafana, OpenTelemetry, ELK, etc.). Experience with Azure, Kubernetes, and scalable systems in high-uptime environments (fintech/crypto preferred). If you're a seasoned engineer who loves clean code, deep More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Automation Tester - Backend Focus (Java/Cucumber) - SC Cleared - Inside IR35 Direct message the job poster from SR2 | Socially Responsible Recruitment | Certified B Corporation Working with Central Government for a Better Britain | Women Rock Ambassador Test Engineer/Automation Tester Back End Focus (Java/Cucumber) Initially till September 2026 - project likely to run for 2 years 500 - 550 inside … IR35 p/d We are seeking a highly capable Test Engineer/Automation Tester with a strong back-end focus and expertise in Java, Cucumber, and BDD frameworks. The successful candidate will support the delivery of secure, scalable digital services for UK government clients, contributing to quality assurance from within a multidisciplinary agile team. This role focuses on testing … also contributing to CI/CD and automation best practices in a GDS-aligned delivery environment. Key Responsibilities Back-End Test Automation Development: Develop and maintain automated tests using Java , Cucumber , and BDD frameworks, focused on validating APIs, data flows, and service integrations. Test Planning & Strategy: Contribute to test strategy design and produce structured test plans for back-end testing More ❯
with Product Owner and Customers to elicit system requirements - Design, architect, estimate and implement software deliverables - Automate unit, integration and acceptance testing Required qualifications, capabilities, and skills : - Proficient in Java 11+/Spring Boot ecosystem, including automated unit/integration testing - Respect for clean coding, best practices and Scrum Preferred qualifications, capabilities, and skills : - Practical Experience with React JS, including … automated unit/integration testing will be a plus - Knowledge of UX Design - Experience with Terraform and AWS - Experience with UI testing frameworks (i.e. Cypress) - Java certifications #J-18808-Ljbffr More ❯
Northampton, England, United Kingdom Hybrid / WFH Options
Undisclosed
Role Title: Java FullStack Developer Duration: contract to run until 31/12/2025 Location: Northampton, hybrid working Rate: up to £276 p/d Umbrella inside IR35 Role purpose/summary You will ensure that all activities and duties are carried out in full compliance with regulatory requirements, Enterprise Wide Risk Management Framework and internal Policies and Policy … and others development needs and seek opportunities to address these needs through guidance, coaching and formal training. Key Skills/requirements What we’re looking for: Good hands on Java/J2EE and Springboot experience Experience working with RESTful Some experience with JavaScript Exposure to Cloud Tools Good understanding of Object Oriented Concepts and Design Patterns Skills that will help More ❯
We are seeking mid-level Java Developers looking to enter banking. Candidates should be resilient to a slower cadence that comes with working in a highly regulated environment. Essential functions In this role, you will: Build and maintain Java applications in banking and trading that require high performance. Develop testing and benchmarking code. Use systematic approaches to identify and eliminate … performance. Demonstrate and quantify improvements with recorded evidence. Work within existing high-performance systems, frameworks, and infrastructure. Qualifications The ideal candidate has: 1-5 years of commercial experience with Java and Spring. Desirable additional skills: Frontend experience (React) Kotlin, AWS, Azure, Docker We offer Opportunity to work on cutting-edge projects Collaborate with a motivated and dedicated team Benefits package More ❯
Role Title: Java FullStack Developer Duration: contract to run until 31/12/2025 Location: Northampton, hybrid working Rate: up to £276 p/d Umbrella inside IR35 Role purpose/summary You will ensure that all activities and duties are carried out in full compliance with regulatory requirements, Enterprise Wide Risk Management Framework and internal Policies and Policy … and others development needs and seek opportunities to address these needs through guidance, coaching and formal training. Key Skills/requirements What we're looking for: Good hands on Java/J2EE and Springboot experience Experience working with RESTful Some experience with JavaScript Exposure to Cloud Tools Good understanding of Object Oriented Concepts and Design Patterns Skills that will help More ❯
Join to apply for the Senior Java Lead, SVP role at Citi 2 days ago Be among the first 25 applicants Join to apply for the Senior Java Lead, SVP role at Citi At Citi, we believe in power of engineering to drive success and nurture culture where innovation, collaboration and professional growth thrive. Oasys Financial is a sub-ledger … all asset classes. This system handles millions of trades daily and conduct all sub-ledger activities, which is critical for the bank. We are seeking a highly experienced Senior Java Lead Developer to modernize our core financial accounting systems. You will play a critical role in rewriting our legacy sub-ledger application to a modern Java-based architecture. This involves … analyzing existing code, designing equivalent Java components, and ensuring a seamless transition while maintaining system functionality and performance. This role is based at London office interfacing with global technology & business aligned teams. Responsibilities: Develop application methodologies and standards for program analysis, design, coding, testing, debugging, and implementation Analyze existing modules and shell scripts to design equivalent Java components Develop and More ❯
FDM is a global business and technology consultancy seeking a Java Software Developer to work for our client within the finance sector. This is initially a 6-month contract with the potential to extend and will be a hybrid role that will be based in London. Our client is seeking an experienced Java Software Developer who has experience in Trade … the project is to migrate all trade capture, lifecycle and PnL functionality from the existing legacy tech stack on to the new platform. Responsibilities Develop and maintain high-performance Java applications Deliver a result that will require little if any developer involvement post go-live Troubleshoot and optimise code to ensure efficiency and scalability Provide 3rd level support as and … all design discussions and contribute to its development Engage directly with people across the organisation, from technology infrastructure through to front office Requirements Strong working knowledge and experience with Java Demonstrable experience with Spring, ideally Spring Boot 3 Understanding of DB: MSSQL and Calypso Experience with Kafka and working on a system at scale Understanding of MicroService/Container with More ❯
FDM is a global business and technology consultancy seeking a Java Software Developer to work for our client within the finance sector. This is initially a 6-month contract with the potential to extend and will be a hybrid role that will be based in London. Our client is seeking an experienced Java Software Developer who has experience in Trade … the project is to migrate all trade capture, lifecycle and PnL functionality from the existing legacy tech stack on to the new platform. Responsibilities Develop and maintain high-performance Java applications Deliver a result that will require little if any developer involvement post go-live Troubleshoot and optimise code to ensure efficiency and scalability Provide 3rd level support as and … all design discussions and contribute to its development Engage directly with people across the organisation, from technology infrastructure through to front office Requirements Strong working knowledge and experience with Java Demonstrable experience with Spring, ideally Spring Boot 3 Understanding of DB: MSSQL and Calypso Experience with Kafka and working on a system at scale Understanding of MicroService/Container with More ❯
Social network you want to login/join with: Lead Software Engineer - Golang/Java/React/Typescript, London Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: e18780fb4361 Job Views: 21 Posted: 22.06.2025 Expiry Date: 06.08.2025 Job Description: This is your chance to change the path of your career and guide multiple teams … equity, inclusion, and respect, prioritizing diverse representation. Required qualifications, capabilities, and skills Formal training or certification in software engineering concepts and advanced experience. Hands-on experience with Golang/Java or React/Typescript. Experience leading technology projects. Proficiency in automation and continuous delivery methods. Knowledge of all aspects of the Software Development Life Cycle. Advanced understanding of agile methodologies More ❯
to enhance development capabilities. Mentor junior team members, ensuring adherence to software quality standards and engaging in code reviews. Participate in incident awareness and support handling. Strong knowledge of Java (core and framework), Spring Framework (MVC/Batch), Spring MVC, Spring Boot, Tomcat, Hibernate, Git, BitBucket, and Jenkins. Deep hands-on expertise with SOA, Microservices, REST/SOAP Web Services More ❯
City of London, London, United Kingdom Hybrid / WFH Options
CipherTek Recruitment
Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking an experienced Java Developer to join a high-profile investment banking client … to ensure real-time decision-making capabilities. Integrate with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with More ❯
Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking an experienced Java Developer to join a high-profile investment banking client … to ensure real-time decision-making capabilities. Integrate with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with More ❯
your skills. Its offers are organized around 3 main expertise: IT Support, Rapid Application Development, and Software Development. Margo is seeking a Front Office Developer (C++ or C# or Java or Python) to integrate its teams within a worldwide corporate and investment bank. Key Responsibilities Creation/development of new trading platforms Implementation of new products, trading machines/algorithms … Risk and PnL Credit and rates Exchange-traded funds Convertible bonds Skills Required Deep understanding of object-oriented programming concepts and principles Strong skills in C++ or C# or Java or Python development (depending on the team/project) with good knowledge of their ecosystem Knowledge of SQL and Linux (including development, debugging, scripting, and networking) Problem-solving mindset with More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Commerzbank AG
A leading corporate banking and capital markets organisation is seeking a Java Developer to join their team in London. Company Description: Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are leaving the traditional bank behind us and we are choosing to move … bespoke pricing platforms that interface with the C++ quant pricing libraries as well as the distribution of market data to back office systems and internal/external clients. Summary Java development role (Java 21+). The business is ever-changing and demands an agile culture, fast-paced front office environment. The role is responsible for helping to build and support … through new projects and ongoing business requirements. Hybrid work model with opportunities to work from home or the office. Teams are based in London and Sofia. Key Skills for Java Developer: Excellent Java experience – Essential. Background in a numerate degree – Essential. Interest rates experience – Desirable but not necessary. Keen learner, interest in learning more about the business. Someone who is More ❯
A leading corporate banking and capital markets organisation is seeking a Java Developer to join their team in London. Company Description: Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are leaving the traditional bank behind us and we are choosing to move … bespoke pricing platforms that interface with the C++ quant pricing libraries as well as the distribution of market data to back office systems and internal/external clients. Summary Java development role (Java 21+). The business is ever-changing and demands an agile culture, fast-paced front office environment. The role is responsible for helping to build and support … through new projects and ongoing business requirements. Hybrid work model with opportunities to work from home or the office. Teams are based in London and Sofia. Key Skills for Java Developer: Excellent Java experience – Essential. Background in a numerate degree – Essential. Interest rates experience – Desirable but not necessary. Keen learner, interest in learning more about the business. Someone who is More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
recruiter to learn more. Base pay range Direct message the job poster from Client Server Tech Recruiter - Software Engineering at Client-Server Lead Backend Developer/Software Engineer (Python Java AWS) London/WFH to £115k Are you a backend-focused software developer with leadership skills? You could be progressing your career at a scale-up tech company (established … two days remote. When in the office, you can enjoy onsite gym, barista coffee, and free breakfast. About you: You're an experienced, backend-focused software developer with Python, Java, and good knowledge of AWS. You're product-focused with good business acumen. You have a solid understanding of software architecture patterns, database optimisation, infrastructure, scalability, and deployment. You have … with Octopus Electric Vehicles, Evans Cycle to Work scheme, showers, and towels for cycling enthusiasts Apply now to learn more about this Lead Backend Developer/Software Engineer (Python Java AWS) role. At Client Server, we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer, welcoming applicants More ❯
Senior Site Reliability Engineer - Java Focussed Senior Site Reliability Engineer - Java Focussed 2 days ago Be among the first 25 applicants Tempest Vane Partners provided pay range This range is provided by Tempest Vane Partners. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job … looking to find a hands-on Site Reliability Engineer to join their mission-critical engineering team. The Role: Our client is building a next-generation digital assets platform using Java Spring microservices on Azure, and they need a systems-focused engineer to own reliability, scalability, and observability at the core of their infrastructure. What You’ll Get A superb opportunity … SRE: SLAs, SLOs, SLIs, error budgets, and incident tooling are at the centre of the role. Own and evolve observability frameworks, define resilience strategies, and contribute directly to the Java backend codebase. Join a team shaping institutional crypto infrastructure, with full cloud-native architecture (AKS, Application Insights, Terraform). You’ll be the bridge between software engineering and operations, directly More ❯