20 of 20 Java Software Engineer Jobs in London

Senior Software Engineer: Java page is loaded Senior Software Engineer: Java Apply locations Cannon Street, London time type Full time posted on Posted 3 Days Ago job requisition id R_14987 Job Title Senior Software Engineer: Java Job Description So, who are we? Hello, we're IG Group. We are a … IG's hedging providers (banks, liquidity providers, brokers) to allow IG to hedge and IG's clients to trade. Your role in the Team's Success As a Senior Engineer joining our Direct Market Access (DMA) team, you'll be part of a collaborative and dynamic group that values technical excellence, continuous improvement and growth. You'll bring in … unit testing and automated testing where necessary Work closely with internal stakeholders, when necessary while keeping in mind the external clients' needs Implement feature and reliability enhancements to existing software Troubleshoot and resolve issues in our large and complex system Maintain the pieces of infrastructure required to build and verify our software What you'll need for this More ❯

Java Full Stack Software Engineer page is loaded Java Full Stack Software Engineer Apply locations United Kingdom (Remote or Hybrid) time type Full time posted on Posted 3 Days Ago job requisition id JR101227 It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed … bringing passion and customer focus to the business. OUR MISSION At Redwood, we empower our customers with lights-out automation for their mission-critical business processes. ABOUT US Redwood Software is the leader in full stack automation fabric solutions for mission-critical business processes. With the first SaaS-based composable automation platform specifically built for ERP, we believe in … Own Weather Obsess over Customer Success Work the Problem Be Curious Own the Outcome Respect Each Other YOUR IMPACT We are seeking a highly skilled and passionate Full Stack Software Engineer with a strong focus on Java to join our growing engineering team. In this role, you will be instrumental in designing, developing, and maintaining robust and More ❯

Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs More ❯

Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, MongoDB, Docker/Kubernetes, Real-time, TDD/BDD, Payments A Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech based in South West London. This organisation specialises … in providing high performance technology solutions to global financial institutions (including several Investment Banks), primarily to augment their payments capabilities. As a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from … with a heavy focus on Pair Programming and TDD, so are looking for people from similar environments. To be successful, you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications with Kafka and the More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of 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 … 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 More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of 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 … 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 More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of 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 … 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 More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your … secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of 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 … 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 More ❯

Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs More ❯

About The Role Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. … You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible for driving culture through your craft and be keen to take on line management responsibilities. Responsibilities Lead the architecture, design, and development of complex software systems, ensuring they … meet high standards of quality, security, and scalability. Manage and mentor a team of software engineers, providing technical guidance to foster professional growth. Ensure that coding standards, development best practices, and operational processes are consistently applied. Collaborate with product managers, UX/UI teams, and other departments such as DevOps, QA, and IT to translate business requirements into technical More ❯

Software Engineer London/Hybrid(2-3 days)100-130k Our client, a leading global financial organisation, is seeking a Software Engineer to design, develop, and enhance software solutions using various engineering practices. This role supports the delivery of business, platform, and technology capabilities for both customers and internal teams. A Java background … Banking preferred) is essential, combined with experience of security related technologies. In this hands-on role, you will be responsible for: Develop and deliver high-quality, scalable, and maintainable software using industry-standard languages, frameworks, and tools. Collaborate with product managers, designers, and engineers to define requirements and ensure solutions align with business goals. Participate in code reviews, knowledge … SCA, and possession-based authentication. ForgeRock or equivalent IAM platform experience, including development with PingGateway, PingAM, PingIDM, and PingDS, using JavaScript for scripted routes and authentication trees. Proficient in Java or JavaScript with experience designing extensible IAM APIs for seamless integration. Skilled in building PingAM custom authentication trees with API integration to threat sensors (e.g., ThreatMetrix, BioCatch), adaptive/ 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 the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor and support junior engineers, helping to develop their skills and promote best practices. Collaborate with cross … functional teams, including product management, UX/UI, DevOps, and QA, to ensure software meets business requirements. Implement and optimise CI/CD pipelines to enhance development efficiency and software quality. Conduct code reviews, providing constructive feedback to enhance team performance and code quality. Troubleshoot and resolve technical issues, ensuring software operates smoothly and efficiently. Stay current More ❯

Technical Lead (Java/Python) London £90,000 - £95,000 + Progression + Pension An excellent opportunity awaits an experienced Developer with strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for … debt, and helping scale and improve the reliability of the product's system. As a team lead, you'll mentor and provide technical guidance while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python … on performance, efficiency, cost management, and reliability *Mentor and guide the development team while working closely with management *Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience *Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes) *Skilled in building and managing data ingestion and processing pipelines (Kafka/ More ❯

Technical Lead (Java/Python) London £90,000 - £95,000 + Progression + Pension An excellent opportunity awaits an experienced Developer with strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for … debt, and helping scale and improve the reliability of the product's system. As a team lead, you'll mentor and provide technical guidance while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python … on performance, efficiency, cost management, and reliability*Mentor and guide the development team while working closely with management*Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience*Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes)*Skilled in building and managing data ingestion and processing pipelines (Kafka/ More ❯

dynamic culture - with a focus on internal promotion and developing our people. Scope of Role The Apps team in London is expanding and we are looking for a senior Java developer with interest and experience in system monitoring, time-series visualisation/analysis, or similar. We are looking for someone who can take an active and leading role in … work directly with the frontend developers and stakeholders to drive the product forward. You will work with the wider applications team, reporting into the Apps Engineering Manager. As an engineer you will be hybrid, with 2 days per week in the London office. As a Senior Software Engineer, you will: Evolve solutions based on feedback. Collaborate with More ❯

Lead Software Development Engineer in Test (Java/Python) London, England, United Kingdom Who we are: For over 20 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world's most highly regulated firms, giving … other, completely free of barriers. We encourage you to apply if your qualifications and experience are a good fit for any of our openings. Your role: As a Lead Software Development Engineer in Test (SDET), you oversee testing resources on a small, highly focused team responsible for delivery of highly scalable and robust services within Global Relay's … the automation framework, tools and infrastructure About you: Minimum 8 years of experience in test development Minimum 2 years of experience leading a small team Strong understanding of the Java language and object oriented principles Expertise applying test practices in an agile environment Experience in working with Python Experience with unit testing frameworks such as JUnit Experience testing backend More ❯

easier for everyone. Come be a part of making our dream of easier and faster healthcare a reality! About the role: We are looking for talented and experienced Senior Software Engineers to work on our range of successful eCommerce sites and help sustain our trajectory of rapid growth. We operate in an Agile way and encourage innovative thinking in … a great engineering culture with your engineering colleagues across the company. Who you are: Bachelor's degree or higher in computer science or a related subject. Strong knowledge of Java and the JVM ecosystem with tools such as Spring MVC/Boot and JPA. A good understanding of how to design and architect backend systems. A pragmatic mindset with More ❯

work in the UK full-time The Partner Information & Profile team is responsible for managing and distributing partner data across Just Eat Takeaway. You'll work hands-on with Java, .NET, and a full stack of frontend and backend tech in a fast-paced microservice environment. We build both backend and frontend applications. We use Kafka and SNS for … unit/integration tests and optimize applications for speed and scalability. Work in both backend and frontend . What will you bring to the table? Hands-on experience with Java and the Spring boot framework is mandatory. PHP and/or .NET experience is a plus. Hands-on experience with a typescript based library or framework (Vue, Angular, etc More ❯

and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find … The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase AWS & GCP - we're cloud-native Microservice based architecture Kubernetes (EKS) TeamCity for CI/CD (lots of team are More ❯

Fullstack Senior developers/Software Engineers specialising in AWS Dev Ops- must be British Citizen UK eyes only- DV vetted to work for our Government client Hybrid working, 3 days onstie, various locations for 12 -18 months Skills: You will be a Hands-on Dev Ops background ~5+ years eg Containers, Kubenetes, SSL, Infrastructure as Code Hands-On AWS More ❯