1 to 25 of 38 Remote Java Developer Jobs in the City of London

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary … privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience … developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary … privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience … developing with: Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern More ❯

The right to work in the UK without sponsorship is essential for this vacancy. An exciting opportunity for a Java Developer has arisen with a leading cyber security innovator developing cutting-edge cyber security testing solutions, based in London. This is a great opportunity for a Java Developer to join a fast-growing, mission-driven team and help shape the future of automated cyber security testing tools. You’ll work hands-on with Java, collaborating across disciplines to build innovative solutions with autonomy and immediate impact. You will commit to a hybrid working model … required onsite 3 days a week. Experience of the Java Developer includes: 1+ year with Java development and object-oriented design Test-driven development, including experience with TDD, JUnit, and user testing Use of GIT VCS Creation of detailed design documentation If you are a Java More ❯

The right to work in the UK without sponsorship is essential for this vacancy. An exciting opportunity for a Java Developer has arisen with a leading cyber security innovator developing cutting-edge cyber security testing solutions, based in London. This is a great opportunity for a Java Developer to join a fast-growing, mission-driven team and help shape the future of automated cyber security testing tools. You’ll work hands-on with Java, collaborating across disciplines to build innovative solutions with autonomy and immediate impact. You will commit to a hybrid working model … required onsite 3 days a week. Experience of the Java Developer includes: 1+ year with Java development and object-oriented design Test-driven development, including experience with TDD, JUnit, and user testing Use of GIT VCS Creation of detailed design documentation If you are a Java More ❯

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + 25-50% bonus … We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by … someone with 3-5 years prior experience, with the potential to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data More ❯

Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + 25-50% bonus … We are working with our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by … someone with 3-5 years prior experience, with the potential to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data More ❯

Have you got experience leading a team while remaining hands-on and technically involved? Lead Java Developer – FX Trading Salary : up to £130k + bonus (25-50%) Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor … FinTech that has been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Lead role leading the next generation of Java Developers. They are looking for the following experience in Lead Java Developers: Core Java … looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Lead Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in 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 … execution, hedging and market making, together with the ability to customise solutions to clients’ needs. Job Purpose: The pricing team is looking for a developer with lots of potential and a strong numerate background to help build the next generation Interest Rate pricer. This involves building bespoke pricing platforms … 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 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 … execution, hedging and market making, together with the ability to customise solutions to clients’ needs. Job Purpose: The pricing team is looking for a developer with lots of potential and a strong numerate background to help build the next generation Interest Rate pricer. This involves building bespoke pricing platforms … 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 More ❯

Role: Application Developer Tech stack: Java, TypeScript, Endur Industry: Energy trading Day Rate: £500-600/d inside IR35 Location: London (hybrid) Contract: 6 months (strong extension potential) X4 Technology are partnered with a global energy trading company looking for a skilled Application Developer to join their … environment, contributing to the development and integration of solutions that support renewable energy trading, financial analytics, and risk management. Responsibilities of the Contract Application Developer (Java, Typescript, Endur) Develop, enhance and maintain applications using Java and TypeScript . Customise and support Endur (Openlink), including JVS and AVS … Participate in code reviews, design sessions, and continuous improvement initiatives. Ensure software quality through unit testing, automation, and documentation. Requirements of the Contract Application Developer (Java, Typescript, Endur): Proven experience in Java development (Spring Boot, REST APIs). Solid front-end experience with TypeScript and modern frameworks More ❯

Role: Application Developer Tech stack: Java, TypeScript, Endur Industry: Energy trading Day Rate: £500-600/d inside IR35 Location: London (hybrid) Contract: 6 months (strong extension potential) X4 Technology are partnered with a global energy trading company looking for a skilled Application Developer to join their … environment, contributing to the development and integration of solutions that support renewable energy trading, financial analytics, and risk management. Responsibilities of the Contract Application Developer (Java, Typescript, Endur) Develop, enhance and maintain applications using Java and TypeScript . Customise and support Endur (Openlink), including JVS and AVS … Participate in code reviews, design sessions, and continuous improvement initiatives. Ensure software quality through unit testing, automation, and documentation. Requirements of the Contract Application Developer (Java, Typescript, Endur): Proven experience in Java development (Spring Boot, REST APIs). Solid front-end experience with TypeScript and modern frameworks More ❯

Senior Java Developer Global Tech Giant Up to £115k 2-3x a week in Shoreditch Are you a Senior Java Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a … Senior Developers to lead new squads focused on greenfield projects. They have a strong engineering culture in the London office, and as their Senior Developer, you’ll work with Java (17+), SpringBoot, Kotlin and NoSQL databases . They’ve got their own internal cloud and toolings using Prometheus … and Grafana. As their Senior Developer, you’ll be: A key advocate for best coding practice, standards, and innovation. TDD approach is key for this as you’ll be owning the end to end development of the platform Experienced in mentoring and also hands on support of your team. More ❯

Senior Java Developer Global Tech Giant Up to £115k 2-3x a week in Shoreditch Are you a Senior Java Developer eager to lead the charge in innovation for one of Silicon Valley’s largest tech giants? This is a rare opportunity to join a … Senior Developers to lead new squads focused on greenfield projects. They have a strong engineering culture in the London office, and as their Senior Developer, you’ll work with Java (17+), SpringBoot, Kotlin and NoSQL databases . They’ve got their own internal cloud and toolings using Prometheus … and Grafana. As their Senior Developer, you’ll be: A key advocate for best coding practice, standards, and innovation. TDD approach is key for this as you’ll be owning the end to end development of the platform Experienced in mentoring and also hands on support of your team. More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯

Java Developer Role Type: Permanent Position Office Location: Central London Hybrid Model: 3 days per week in office, 2 days remote The Role Join a dynamic cross-functional team where you'll be involved building cutting-edge software systems that power real-time financial markets. As a talented … Java Engineer, you'll help shape the technology stack that drives millions of dollars in trading volume. Key Responsibilities Design & Build : Create robust, high-performance software systems and applications for financial operations Technical Leadership : Drive architecture decisions, set coding standards, and choose platforms and tools Collaborate : Work closely with … paced financial markets Innovate : Stay ahead of the curve with modern development practices and emerging technologies Essential Skills Technical Expertise: 2 to 3 years Java development - enterprise-level experience required C++ knowledge or strong motivation to master high-performance languages Kafka/Confluent - real-time data streaming experience Agile More ❯

Java Developer Role Type: Permanent Position Office Location: Central London Hybrid Model: 3 days per week in office, 2 days remote The Role Join a dynamic cross-functional team where you'll be involved building cutting-edge software systems that power real-time financial markets. As a talented … Java Engineer, you'll help shape the technology stack that drives millions of dollars in trading volume. Key Responsibilities Design & Build : Create robust, high-performance software systems and applications for financial operations Technical Leadership : Drive architecture decisions, set coding standards, and choose platforms and tools Collaborate : Work closely with … paced financial markets Innovate : Stay ahead of the curve with modern development practices and emerging technologies Essential Skills Technical Expertise: 2 to 3 years Java development - enterprise-level experience required C++ knowledge or strong motivation to master high-performance languages Kafka/Confluent - real-time data streaming experience Agile More ❯

Our client, a distinguished entity in the IT sector, is seeking a skilled Java Developer for a permanent position within their Health, Adviser and Employer IT team. This role operates on a hybrid working pattern, with the expectation of working two days per week in any of their … needs and propose solutions. Job Requirements: Experience in the use of appropriate tools/technologies for the design, development, build, testing and deployment of Java/JEE applications. Experience in integrating disparate applications and technologies using Java. Familiarity with modern web application frameworks and integration technologies. Strong analytical skills … Award-winning health insurance with its own set of rewards and benefits. Life assurance worth four times annual salary. If you are a dedicated Java Developer looking to advance your career in a dynamic and supportive environment, we would love to hear from you. Apply now to join More ❯

Senior Java Analyst Developer/Technical Consultant £600 p/d Outside IR35 Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally … functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember More ❯

Senior Java Analyst Developer/Technical Consultant £600 p/d Outside IR35 Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally … functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember More ❯

Back End Developer (Java/Ruby on Rails/Spring/SQL/Python) My global fintech client is looking for a strong back end developer to join their ever expanding dev team on a permanent basis. Here are the technical requirements for the role: Essential Skills … Java, MS SQL, Spring, SpringBoot, Jpa Ruby On Rails and or TypeScript within NodeJS SQL and or MongoDB Strong problems solving skills Debugging code Designing scalable systems Root cause analysis Able to develop effective solutions Strong communication skills Excellent time management Critical thinking Is adaptable Desirable Skills Python not More ❯

Job Title: Solution Engineer - Java Developer Location: London (Hybrid) Type: Contract We're looking for a Solution Engineer with strong Java development expertise to drive innovative, scalable technical solutions across a dynamic ecosystem. In this role, you'll collaborate with cross-functional teams and external partners to … product roadmaps Requirements: BS/MS in Computer Science or equivalent work experience 5+ years in web, software, or mobile app development Proficiency in Java and at least one of: JavaScript, .NET, PHP, Node.js, Python, Ruby on Rails Experience with REST and GraphQL APIs and web service consumption Knowledge More ❯

Senior Java Developer – Market Connectivity – Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that connects to external trading venues and market … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g. FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯

Senior Java Developer – Market Connectivity – Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that connects to external trading venues and market … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g. FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯

Senior Java Microservices AWS Developer Location: London – Hybrid (2 days onsite) Rate: £500/day (Inside IR35) Type: Contract – 6 Months Start Date: ASAP Positions: 1 The Opportunity Join a dynamic, tech-forward team as a Senior Java Microservices AWS Developer, where you'll work on … large-scale, high-performance cloud-native solutions. This role requires strong back-end development expertise using Java and AWS Serverless technologies. You'll lead the design, development, and deployment of robust applications supporting complex business needs in a modern DevOps environment. Key Responsibilities Design and develop scalable web applications … using Java and AWS Serverless architecture. Build and manage microservices using Spring Boot and Java 11+. Implement and maintain CI/CD pipelines using tools such as Jenkins, GitLab, or AWS CodeBuild. Work with AWS services like Lambda, DynamoDB, ECS Fargate, S3, SQS, SNS, RDS, Kinesis, and CloudFormation. More ❯