17 of 17 Remote Java 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 publicly-traded FTSE250 … 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 … large and complex system Maintain the pieces of infrastructure required to build and verify our software What you'll need for this role Key Qualification Requirements: Demonstrable understanding of Java, Spring/Spring Boot, Maven and SQL Familiarity with distributed messaging and communications technologies for ensuring reliable and efficient data exchange Practised user of Linux command line and scripting More ❯

We're Hiring: Java Engineer - Centre of Excellence (Java/Microservices/APIs) Location: London, United Kingdom (Hybrid - Minimum 2 days onsite/week)?? Start Date: Immediate? Engagement Type: Contract - Outside IR35 , 12-month initial term (with potential for extension or permanent employment) Industry: Financial Services/Technology Consulting About the Role We are seeking a highly … capable Java Engineer to join a newly established Centre of Excellence (CoE) focused on delivering secure, scalable, and production-grade digital solutions for the financial services sector. This is a hands-on engineering role ideal for someone with strong experience in Java , Spring Boot , microservices , and API development , who thrives in collaborative, high-accountability environments. The successful … candidate will contribute to backend service design, secure API delivery, and the development of reusable engineering assets across client engagements. Key Responsibilities Design, develop, and maintain backend services using Java and Spring Boot Build and integrate secure APIs aligned with industry standards (e.g., OAuth2, OpenID Connect) Contribute to the development of microservices architectures and distributed systems Collaborate with frontend 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 opportunity … 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 opportunity … 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 ❯

Senior Java Engineer | #1 fastest growing tech company | £75k - £90kJava, Python, Gradle, Grafana, Gitland, CI/CD, Spring, Openshift, JunitWant to work for the #1 fastest growing tech company with a staggering growth of 182% across 3 years Want to be part of a group that has landed multi-million-pound contract with the government agencies Perhaps, you … with a team that’s all about pushing the boundaries and innovating. Not just code, but how they work, think and deliver into their world-renowned clients.As a Senior Java Developer, you’ll be building modern, scalable systems that support everything from payment services to customer-facing digital products.You’ll be working within a team that’s passionate about … improving how software gets built and delivered. From tightening up data integrity to enhancing automated testing in both Java and Python, new joiners will be involved in projects that truly elevate product quality.You’ll also be exposed to the DevOps side because the developers actively help to maintain smooth CI/CD processes using gitlab while keeping systems healthy More ❯

We are looking for Senior Software Engineer with Java to join PowerCurve Collections Software Engineering Group. PowerCurve Collections is our debt management system that enables our clients to maximize collections efforts and make more profitable decisions. Our development teams are focused on developing customizable and user-friendly capabilities which further strengthen the market leading position of our proposition. … As part of the team, you will report to a Software Team Manager. What you'll do: Research and develop high-quality, scalable full-stack software solutions using Java (Spring Boot). Produce clean, testable, and efficient code that follows established coding best practices. Write automated tests as part of the development process to ensure software reliability and performance. … people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at . Experience and Skills What you'll bring: 5+ years experience as a Java Developer (Java 11+). 3+ years experience in building cloud-native applications with Spring Boot and Docker. Solid experience with Spring Ecosystem (Spring boot, Spring REST, Spring Security) Understand software More ❯

We are recruiting for a Full Stack Java Engineer for a 6 month fixed term contract. Mostly remote with ad hoc travel to London. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products and stronger digital … fulfil our mission to close the world's digital skills gap. What you'll bring to the table: Solid development experience working in a commercial environment, agreat understanding of Java and Spring Boot, and wider experience in different tools and frameworks and across the stack. AWS experience (SNS, SQS, S3, DocumentDB, etc) Kubernetes experience is desirable An enthusiasm for … working with agile methodologies. Experience dealing with challenges from stakeholders on technical issues and influencing technical decisions in the team. Understanding and ownership of best practice as a Senior Engineer (eg. TDD, SOLID, XP) Experience of guiding and supporting junior and mid-level engineers. Working knowledge of CI/CD practices and deployments. Experience of writing effective documentation 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 to improve … 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 Kotlin, SpringBoot … 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 and permission based systems You have a good understanding of software architecture and have experience of building systems from 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 to improve … 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 Kotlin, SpringBoot … 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 and permission based systems You have a good understanding of software architecture and have experience of building systems from More ❯

We're Hiring: Backend Specialist - Java/Microservices/Secure APIs Location: London, United Kingdom (Hybrid - Minimum 2 days onsite/week)?? Start Date: Immediate? Engagement Type: Contract - Outside IR35 , 12-month initial term (with potential for extension or permanent employment) Industry: Financial Services/Technology Consulting About the Role We are seeking a highly skilled Backend Engineer … focused on delivering secure, scalable, and production-grade digital solutions for the financial services sector. This is a hands-on engineering role ideal for someone with deep expertise in Java, Spring Boot, and secure API design , and who thrives in fast-paced, client-facing environments. The successful candidate will play a key role in shaping backend architecture, driving secure … service delivery, and contributing to engineering standards across engagements. Key Responsibilities Design and develop backend services using Java and Spring Boot Architect and implement secure APIs using OAuth2, FAPI, OpenID Connect Ensure backend services are performant, scalable, and resilient Collaborate with frontend, DevOps, and QA teams to deliver integrated solutions Participate in architecture reviews, technical design sessions, and stakeholder More ❯

We're Hiring: Full Stack Engineer - Centre of Excellence (Java/Angular/React) Location: London, United Kingdom (Hybrid - Minimum 2 days onsite/week)?? Start Date: Immediate? Engagement Type: Contract - Outside IR35 , 12-month initial term (with potential for extension or permanent employment) Industry: Financial Services/Technology Consulting About the Role We are seeking a highly … capable and delivery-focused Full Stack Engineer to join a newly established Centre of Excellence (CoE) . This strategic team is responsible for delivering secure, scalable, and production-grade digital solutions across multiple client engagements in the financial services sector. This role is ideal for an engineer with strong experience across both Java-based backend development and … solution delivery, from architecture and development to deployment and support, while helping to define engineering standards within the CoE. Key Responsibilities Design, develop, and maintain full stack applications using Java (Spring Boot) and Angular or React Build secure, scalable APIs and responsive, accessible user interfaces Collaborate with backend, frontend, DevOps, and QA teams to deliver cohesive, end-to-end 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 improve patient … 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 Kotlin, SpringBoot … 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 and permission based systems You have a good understanding of software architecture and have experience of building systems from More ❯

have at least 5-6 years of experience as a professional software engineer. We are very open about how we deliver software. For the most part we code in Java and we believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we'd love to … 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 … from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team: Initial interview with an Engineer - ~45 minutes Take home technical test to be discussed in the next interview Technical interview - ~1.5 hours Final Interview - ~40 minutes Benefits 25 days holiday (plus take your public 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 ❯

Senior Java Low Latency Engineer (VP) - London Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking … won't cut it! A core team of expert engineers within Citi have developed a framework, toolset and collection ofcomponentsfor building self-healing, scalable, high performance,asynchronous, event driven, Java Microservices based solutions. This framework, known as Ambrosia, has solved all the hard problems of failover, high availability, performance and scalability, so that application developers can focus on those … solve the business problem and take performance to the next level. Ambrosia is a core framework, toolset and collection ofcomponentsfor building self-healing, scalable, high performance,asynchronous, event driven, Java Microservices based solutions. We build microservices based event sourcing systems on a low latency in-house framework. Response times in the 10 microsecond to 100 microsecond range. Role Overview 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 them … 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 platform. You are … 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 ❯

specialist capabilities ready to work on our clients' projects. What we're looking for. To be successful for this role you will demonstrate a level of ability in C#, Java or similar. You will be passionate about technology and eager to learn programme development to an advanced level. We're seeking candidates who can exemplify our values: Empathy and More ❯