1 to 25 of 27 Remote Java Jobs in the City of London

environments. What You'll Do Design, build, and maintain secure, scalable, cloud-native platforms using modern cloud technologies (AWS, Azure, GCP). Develop and support microservices-based applications using Java, Node.js, and Python. Implement containerised solutions and orchestration frameworks such as Docker and Kubernetes. Collaborate with architects, engineers, and product teams to deliver high-quality features in an agile environment. … 5+ years of experience in software development and cloud engineering. Current working for a consultancy firm. Proven expertise in building and deploying microservices-based applications. Strong coding skills in Java, Node.js, and Python . Hands-on experience with cloud platforms: AWS, Azure, or Google Cloud. Familiarity with RESTful APIs, web services, and cloud-native design patterns. Proficient in containerisation and More ❯

Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift … or mobile device (iOS/Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as … London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems More ❯

Lead Java Developer/Software Engineer (Java Kafka Spring Boot) London/WFH to £120k Are you a skilled Java Developer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Java Developer position at a scale-up technology company with a successful workforce management solution … used within the government, defence and other public sector clients. As a Lead Java Developer you will take a lead role in designing and developing secure, event driven, distributed backend systems for real-time operations, resilience and extensibility. You'll collaborate with engineers across the full stack to integrate backend services with Identity and Access control frameworks such as Keycloak … 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 ❯

Senior Java Developer/Software Engineer London/WFH to £130k Are you a Java technologist who enjoys building systems from scratch? You could be progressing your career, in a senior, impactful role at a global prime broker that is replacing the legacy infrastructure used across capital markets with a new cloud-native clearing and custody system, designed for today … s complex global markets. The company is experiencing great success and is expanding into the UK. As a Senior Java Developer you will take ownership of building a brand new Equity SWAPS platform for the UK, primarily using Java with a focus on backend development but also with some React UI work. You'll be working on complex and challenging … highly talented and collaborative team in the London, City office three days a week with flexibility to work from home the other two. About you: You have strong backend Java development skills including Spring, Spring Boot, microservices You take in pride in producing clean, high quality code You also have an appreciation of UI development with TypeScript/React You More ❯

Senior Java Engineer - Azure Migration (Financial Services) Location: London (Hybrid - 1 day per week onsite) Rate: Up to £650/day (Inside IR35) Start Date: ASAP Engagement: Consultancy - Financial Services Clients Overview A leading consultancy is seeking a Senior Java Engineer for a high-impact Azure migration programme within financial services. This role involves lifting and shifting a suite of … and deploying services in Azure, helping to modernise backend systems while ensuring reliability and performance in a regulated environment. Key Responsibilities Contribute to the lift-and-shift migration of Java-based applications to Azure Migrate and support services including the broker services portal, static data, integration layers, and authentication modules Ensure secure, scalable deployment using Azure cloud-native tools Build … and support systems using PostgreSQL, Java, and Spring Boot Integrate and monitor using observability tools like Datadog and BigPanda Collaborate closely with architects, DevOps, and security teams across the full SDLC Core Skills & Technologies Strong backend development in Java with Spring Boot Cloud migration experience, particularly Azure Lift-and-Shift Familiarity with cloud infrastructure and deployment pipelines Exposure to PostgreSQL More ❯

Java Developer/Backend Software Engineer/Developer WFH to £100k Are you a skilled Java Developer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Developer you will develop, test and maintain high-quality, low-latency Java applications handling millions of … with some flexibility around start/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS … You have strong design skills and can explain full system workflows and make recommendations for improvements to reduce latency and increase throughput You have experience with Spring framework and Java build tools such as Gradle/Maven You're comfortable working in a Linux environment You are collaborative and pragmatic with excellent communication skills What's in it for you More ❯

Software Engineer/Developer (Full Stack Java Angular SQL API) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift … the web or mobile device (iOS/Android). As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as … London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems More ❯

Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests … with some flexibility around start/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS … You have strong design skills and can explain full system workflows and make recommendations for improvements to reduce latency and increase throughput You have experience with Spring framework and Java build tools such as Gradle/Maven You're comfortable working in a Linux environment You are collaborative and pragmatic with excellent communication skills What's in it for you More ❯

Backend Software Engineer/Developer (Java Low Latency OMS EMS) WFH to £100k Are you a skilled Backend Software Engineer with strong Java skills and low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for Cryptocurrency markets. As a Backend Software Engineer you will develop, test and maintain high … quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD pipelines and document system workflows, architecture and design decisions. Location/WFH: You can work from home from anywhere … with some flexibility around start/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS More ❯

Full Stack Engineer/Developer (Java Angular SQL API) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time … web or mobile device (iOS/Android). As a Full Stack Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as … London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems More ❯

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 9, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering inbound experiences that are relevant … helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should be created, and how it should be built. Within their setup those decisions are … roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, Linux, C# or Java; which might have been acquired as part of your degree course or through a placement year in industry. At the center of our client's culture is freedom and openness More ❯

markets Quantitative models and analytical trading signals High-availability trading infrastructure serving institutional clients worldwide Backend systems supporting equities, futures, and listed derivatives trading What They Needs Expert-level Java development with strong object-oriented design principles Degree in Computer Science, Mathematics, or Engineering Hands-on experience building trading systems (execution algorithms, risk trading, smart routing) Deep understanding of equity More ❯

delivery of NLP/OCR projects with unstructured data Experience managing or mentoring engineers Bonus points for: Experience in regulated domains Knowledge of semantic search, graph/vector databases Java or C# background and understanding of SOLID principles 📩 Interested? Message me here or email mmatysik@trg-uk.com More ❯

GitHub Apps and Actions to maintain code quality and security standards. Integrate GitHub with internal systems such as identity providers and compliance tools. Use languages like Go, Python or Java to interact with APIs and develop robust systems. Support adoption of automation and emerging tools like GitHub Copilot (AI). Collaborate with internal DevOps, Security and Platform teams. What You More ❯

and data governance standards (e.g. GDPR , RBAC) Mentor junior engineers and guide technical decisions on client engagements ✅ Ideal Experience Strong in Python and SQL , plus familiarity with Scala or Java Experience supporting AI/ML workflows and working with Data Scientists Exposure to cloud platforms: AWS , Azure , or GCP Hands-on with modern data tooling: Spark , Databricks , Snowflake , Airflow Solid More ❯

delivery with product roadmap and best practices Technical Skills: Must Have: Salesforce Service Cloud experience Apex development Agile delivery expertise Git, Jira, Confluence AWS experience Strong communication & stakeholder management Java, Python Spring, HTML, CSS, JavaScript SQL/NoSQL, WordPress, TeamCity TDD, User Testing, Technical Documentation Security Requirements: Active SC Clearance required This is an excellent opportunity to work on a More ❯

must have lived in the UK for the last 5 years) Strong technical skillset and engineering practice with a minimum 5 years experience of developing Android applications Knowledge of Java and Kotlin programming languages Experience with Android SDK, Android Studio and Gradle build system Experience with RESTful APIs and JSON Experience with Git version control system Experience with Agile development More ❯

and executing technical strategies. Experienced in leading teams of engineers/developers. Experience of Mentoring and Training Engineers. Experienced with Build Design and Architecture. Strong experience of writing in Java, Kafka and building Resilience Software. Experienced of working within Financial Services, with experience in: Fintech Payments Circuit Breaking Error Handling Experience working in an Agile Environment. IND_PC 3 Carbon60 More ❯

support and troubleshooting for production issues. Required Skills and Experience: Strong development skills in Gosu for Guidewire (3-5 years of experience). Experience in programming languages such as Java or C#.Net Familiarity with insurance industry standards and protocols. Excellent problem-solving skills and attention to detail. Strong communication skills and ability to work collaboratively in a team environment. Benefits More ❯

effectively with remote, international teams Positive attitude and growth mindset Bonus Points: Experience with Interest Rates, Fixed Income, FX, or Accounting Debugging skills in object-oriented programming (C# preferred, Java, C++) Why You'll Love It There 🌍 Global Impact : Work with the latest technologies and biggest financial institutions worldwide 🌐 International Team : Collaborate with talented professionals across different time zones 🔧 Technical More ❯

Lead Java Software Development Engineer in Test (SDET) Hybrid Working in London - 3 Days on-site per week £90k - £120k + Benefits + Bonus Are you a skilled leader in software testing with a passion for driving quality and innovation? Our client is seeking a Lead Java SDET to oversee testing strategies, mentor a talented team, and deliver scalable, robust … Propose improvements to automation processes while maintaining shared libraries and documentation. What You Bring 8+ years of test development experience, including 2+ years leading a team. Strong expertise in Java, object-oriented principles, and unit testing frameworks (e.g., JUnit). Experience testing backend systems or APIs, with knowledge of REST, JSON, or Thrift. Bonus: Familiarity with Selenium WebDriver, Jenkins, big More ❯

into clear technical specifications and solutions. • Strong documentation skills for technical requirements and custom development specs. • Familiar with Microsoft SQL Server, XML, APIs, and other OOP languages (e.g., C#, Java). Tooling & Standards: • Experienced with DevOps, GitHub, and automated testing tools. • Knowledge of ISO9001 and ISO27001 standards and integrated management systems. Consultancy & Mentoring: • Consultancy experience in Microsoft Dynamics NAV/ More ❯

Junior Integration Consultant - Java/XML Remote Working Salary: £28,000 - £32,000 Our client, a dynamic and thriving business based in London, is seeking a talented Junior Integration Consultant, ideally with Java and XML experience, to join their fantastic team. This is a fully remote position where you'll be working on their integration solution for 3rd party software More ❯

drive growth and deliver scalable, high-performance software solutions to their clients in the capital markets space. As the Engineering Manager, you will bring your strong technical expertise in Java to lead a team of talented engineers. With your background in the capital markets environment, you will be instrumental in developing software that powers real-time, mission-critical trading systems … Key Responsibilities: Lead and manage a team of engineers, guiding the technical delivery of high-impact, scalable projects within the capital markets domain. Provide hands-on technical leadership, utilizing Java and ideally some C# to drive development, innovation, and best practices. Oversee the design, development, and delivery of robust, high-performance trading systems and data-driven applications. Collaborate closely with … stakeholders to define technical requirements, ensuring alignment with business and market goals. Requirements: Proven experience in a hands-on engineering management/lead role, with a strong focus on Java and ideally some C#. Extensive experience leading engineering teams within the capital markets or financial technology sectors, preferably with front office exposure. Solid track record in delivering high-performance, scalable More ❯

experience in delivering multiple ERP implementations, ideally within the manufacturing sector Degree in Computer Science or similar technical field Proven proficiency with JavaScript coding and SQL reporting XML and Java experience desirable Confident in training multiple end users Experienced in migrating systems from on prem to cloud Confident building good relationships and maintaining relationships with stakeholders Experience writing and reviewing More ❯