14 of 14 Java Software Engineer Jobs in London

Senior Python Software Engineer (Senior Architecture Programmer Developer Python Java Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue Airflow Ignite JavaScript Agile Pandas NumPy SciPy Spark Dremio Snowflake Apache Iceburg Iceberg Arrow DBT gRPC protobuf TypeScript Finance Trading Front Office Investment Banking Asset Manager Financial Services FX Fixed Income Equities Commodities Derivatives … Hedge Fund) required by my asset management client in London. You MUST have the following: Advanced ability as a Senior Python Software Engineer/Technical Lead/Solutions Architect/Principal Engineer Good design and architecture ability Java Three or more of the following: Iceberg Dremio DBT Arrow Snowflake Glue Athena Airflow Agile The following is … DESIRABLE, not essential: Trading, Front Office finance Spark Buy-side asset management (hedge fund, asset manager, investment management) Role: Senior Python Software Engineer (Senior Architecture Programmer Developer Python Java Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue Airflow Ignite JavaScript Agile Pandas NumPy SciPy Spark Dremio Snowflake Apache Iceburg Iceberg Arrow DBT More ❯

Backend Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm … that specialise in trading silver and gold. As a Backend Software Engineer you'll collaborate with the Lead Engineer on the core trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development … lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. WFH Policy: You'll join the team in the West London office with flexibility to work from home twice More ❯

Software Engineer/Developer (Java AWS React) London/WFH to £110k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs … with a hugely successful track record. As a Software Engineer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that form the core of the platform. You'll collaborate closely with the Lead Engineer, Architect and … time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong knowledge of modern More ❯

Staff Software Engineer/Developer (Java Kotlin AWS React) 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 ❯

Staff Software Engineer/Developer (Java Kotlin AWS React) 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 ❯

Lead Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £110K We’re working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. • Act as a trusted technical advisor, balancing architectural vision with delivery realities. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and … enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working model, with 2-3 days per week in the office. Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with … cross-functional teams to deliver robust and scalable software solutions. Ensure code quality, security, and performance standards are met. Work on both greenfield and existing applications, improving architecture and implementing best practices. Troubleshoot and resolve complex technical issues. Participate in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based More ❯

Senior Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Staff Software Engineer/Developer (Java Kotlin AWS React) 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 More ❯

Overview We're Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspiration is to be a GovTech … years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration. Why You'll Love This Opportunity as a Senior Software Engineer at Civica As a Senior Backend Software Engineer, you will play a critical role in designing, developing, and maintaining functionality of one of our flagship products. … Engineers across Civica, adhering to industry best practices. Your expertise in building cloud-ready products will be instrumental in driving successful outcomes. Responsibilities Design, develop, test, and maintain critical software systems, primarily focused on Java. Provide technical guidance and mentorship to engineers. Drive technical decisions and own complex system components. Collaborate with technical product managers, designers, and other engineers More ❯

Java Software Engineer £50,000-£75,000/annum Fully Remote SC position - Clearable Sanderson Government and Defence are working alongside a growing, exciting consultancy business who have recently won several exciting new projects in the UK public sector. They are a highly flexible business, with fully remote working available. Technically, as you could end up working … across a number of different projects, we are relatively open minded, however there are a few essentials. You must have 4+ years experience, and be capable with the following: Java Spring ecosystem AWS Cloud Microservices Towards the upper end of the salary banding, we would also expect experience in mentoring, willingness and experience engaging with clients, up to team More ❯

This is a fantastic opportunity to work as a Sofware Engineer, on a long term contract, working for a major finance company, inside IR35 and fully remote. The key skills required for this Software Engineer role are below. Low latency FX Matching Java C++ (desirable) trading (desirable) SQL Gradle If you do have the relevant experience … for this remote Software Engineer position, please do apply. More ❯

This is a fantastic opportunity to work as a Sofware Engineer, on a long term contract, working for a major finance company, inside IR35 and fully remote. The key skills required for this Software Engineer role are below. Low latency FX Matching Java C++ (desirable) trading (desirable) SQL Gradle If you do have the relevant experience … for this remote Software Engineer position, please do apply. More ❯

As a Senior Java Developer , you'll play a pivotal role in the design, development, and delivery of both greenfield and existing systems. You'll help shape our architectural direction, influence engineering best practices, and mentor team members - all while remaining hands-on with coding and problem-solving. This is a unique opportunity to work across a modern stack … Java, Spring, Angular, Kafka) and navigate the challenges of evolving a Legacy platform into a cloud-native, microservice-oriented future. Key Responsibilities Design, develop, and maintain scalable Java RESTful APIs using the Spring framework. Collaborate with Front End engineers working in Angular/TypeScript to build modern user interfaces. Lead by example with strong, hands-on coding in … Java and JavaScript/TypeScript. Maintain, improve, and occasionally dive deep into complex, messy Legacy code - making pragmatic decisions about when to refactor, rewrite, or retire. Guide technical decision-making for a complex, evolving architecture - with the opportunity to simplify and shape our future direction. Mentor, support, and upskill team members while fostering a positive, delivery-focused team culture. More ❯