1 to 25 of 301 Java Engineer Jobs in London

OakNorth is a profitable business that has supported the growth of thousands of businesses. You'll lead the migration of a critical Java/React service to Python/React while maintaining the performance of our core banking platform and its microservices ecosystem. Over the next two years, you'll help scale our systems to manage increasing customer data … fostering collaboration and driving technical innovation to overcome complex challenges. This is your chance to make a tangible impact on a rapidly evolving platform. The role As a Staff Engineer you'll work with product and engineering across multiple squads to ensure the right trade-offs are being made and that dependencies and communication is managed effectively. Staff Engineers … impact of decisions across the wider business. Tech stack We're pragmatic about our technology choices. These are some of the things we use now: TypeScript, React, styled-components Java & Python PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytest AWS, GCP ECS Fargate, Docker, Terraform, GitHub Actions How we expect you to work We expect you to work More ❯

Backend Software Engineer/Developer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work? You could be joining a scaling Cyber Security technology company that has just … received £100 million investment. As a Backend Software Engineer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have your voice heard … in London five days a week with a wide range of facilities and an array of perks including free, chef cooked meals. About you: You have strong backend core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL and Networking (TCP/IP More ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist 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 … whiskey. As a 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 … 2.1 or above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms 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 ❯

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 ❯

Principal Java Developer- London/Hybrid- up to £95k This is a Principal Java Engineer position with an innovative and light footed fintech startup/scaleup company who are on a mission to revolutionise the credit and lending space. The brand, who have now been running for the last 10 years and backed by VC investment, are … looking to hire a Principal Engineer to work on an exciting Product roadmap over the coming years. This role is a hybrid position based in central London. They are looking for people that are willing to come to their office 3 days per week, there may have a bit of flexibility on this and very flexible hours. Tech Stack … Java 17 Spring Boot AWS Microservices ML/Big Data- desirable Docker/Kubernetes Messaging - Kafka Responsibilities: Design and development of low latency software components Contribute across the entire SDLC Write and enhance well structured, testable, scalable and efficient code Setup and maintain development process tools Collaborate in agile development process meetings, stand ups, sprint panning, retrospectives and foster 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 ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist 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 … whiskey. As a 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 … 2.1 or above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms 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 shift rota application, hosted on AWS and available via the 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 … 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 More ❯

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorgan Chase within the Equity Derivatives Group, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You … and skills Experience with object-oriented design and micro-service architectures and best practices Experience with Cloud Technologies e.g. Docker/Kubernetes/AWS/Terraform Experience with the Java ecosystem including Spring, Web Services, and Messaging Experience with NoSQL/Big Data Databases Experience with finance/derivative products Experience with Java 17+ and/or additional More ❯

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorgan Chase within Investment Banking, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible … communities of practice and events that explore new and emerging technologies. Adds to team culture of diversity, equity, inclusion, and respect. Design, develop and maintain microservices using Kotlin or Java with Spring Boot. Build robust, scalable GraphQL APIs and backend components. Deploy, monitor and manage services in AWS, particularly EKS (Kubernetes). Write clean, well-documented, and testable code. More ❯

Looking for experienced software engineer with experience in Java and banking domain. JD for your reference: The role is focused on bringing public cloud to the company in a manner that is safe compliant flexible and easy to use We are looking for experienced engineers to join our team and help us achieve our goals Key Responsibilities Architect … contributions to both internal and opensource projects You May Be a Fit If You have at least 6 years of experience working in a professional environment as a software engineer You have led the design and build of cloudnative applications written in Go You have extensive experience with DevOps work such as building CICD pipelines or setting up cloud … roles You build effective work relationships giving and receiving constructive feedback and your colleagues at all levels and across all teams trust you Technologies We Use Languages Go and Java are our primary languages Frontend Any browser applications are based on React CICD Code lives in GitHub Enterprise and flows to production through a CICD pipeline built on GitHub More ❯

Looking for experienced software engineer with experience in Java and banking domain. JD for your reference: The role is focused on bringing public cloud to the company in a manner that is safe compliant flexible and easy to use We are looking for experienced engineers to join our team and help us achieve our goals Key Responsibilities Architect … contributions to both internal and opensource projects You May Be a Fit If You have at least 6 years of experience working in a professional environment as a software engineer You have led the design and build of cloudnative applications written in Go You have extensive experience with DevOps work such as building CICD pipelines or setting up cloud … roles You build effective work relationships giving and receiving constructive feedback and your colleagues at all levels and across all teams trust you Technologies We Use Languages Go and Java are our primary languages Frontend Any browser applications are based on React CICD Code lives in GitHub Enterprise and flows to production through a CICD pipeline built on GitHub More ❯

Job Description A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully. As a Software Engineer III at JPMorgan Chase within the Liquidity and Account Solutions team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in … solutions across multiple technical areas within various business functions in support of the firm's business objectives. JPMorgan's Liquidity and Account Solutions Technology team is seeking highly motivated Java engineers to join our global, diverse technology organization. We focus on providing modern solutions to support the Corporate & Investment Bank's Payments business. Our critical systems manage client liquidity … technical growth Provide out of hours application support and coordinate of Production releases Required qualifications, capabilities, and skills 5+ years of experience in enterprise software development Excellent understanding of Java fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience in building high-performance, latency-sensitive Java applications Experience in maintaining and More ❯

Role: Contract Senior Java Engineer Location: London (Hybrid | 3 days onsite initially) Contract Length: 6-Month Contract | Inside IR35 | £600–£700/day We’re looking for an experienced Senior Java Engineer to join our consultancy delivery team, supporting a flagship project with one of the UK’s leading digital banks . You’ll be embedded … releasing multiple times per day is the norm. This is a hands-on engineering role with the opportunity to work on cutting-edge systems from day one. Tech Stack: Java 21 Spring Boot Kubernetes , AWS Grafana , GitHub Event-driven architecture, microservices CI/CD & rapid delivery tooling What You’ll Be Doing: Build scalable and secure microservices using Java … maintain production-grade reliability Work onsite 3 days/week in London for the first 4–6 weeks (hybrid flexibility beyond this) We’re Looking For: 5+ years of Java engineering experience (Java 11+; ideally Java 21) Strong background with Spring Boot , microservices, and cloud-native design Hands-on with Docker, Kubernetes , AWS , and containerised deployments CI More ❯

Role: Contract Senior Java Engineer Location: London (Hybrid | 3 days onsite initially) Contract Length: 6-Month Contract | Inside IR35 | £600–£700/day We’re looking for an experienced Senior Java Engineer to join our consultancy delivery team, supporting a flagship project with one of the UK’s leading digital banks . You’ll be embedded … releasing multiple times per day is the norm. This is a hands-on engineering role with the opportunity to work on cutting-edge systems from day one. Tech Stack: Java 21 Spring Boot Kubernetes , AWS Grafana , GitHub Event-driven architecture, microservices CI/CD & rapid delivery tooling What You’ll Be Doing: Build scalable and secure microservices using Java … maintain production-grade reliability Work onsite 3 days/week in London for the first 4–6 weeks (hybrid flexibility beyond this) We’re Looking For: 5+ years of Java engineering experience (Java 11+; ideally Java 21) Strong background with Spring Boot , microservices, and cloud-native design Hands-on with Docker, Kubernetes , AWS , and containerised deployments CI More ❯

As a Software Engineer III at JPMorgan Chase within the Liquidity and Account Solutions team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in … support of the firm’s business objectives. JPMorgan’s Liquidity and Account Solutions Technology team is seeking highly motivated Java engineers to join our global, diverse technology organization. We focus on providing modern solutions to support the Corporate & Investment Bank’s Payments business. Our critical systems manage client liquidity in real-time, matching available funds to support demands for … technical growth Provide out of hours application support and coordinate of Production releases Required qualifications, capabilities, and skills 5+ years of experience in enterprise software development Excellent understanding of Java fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience in building high-performance, latency-sensitive Java applications Experience in maintaining and More ❯

Job Description: Job Title Senior Quantitative Software Engineer – Java – Intraday Risk Location London Corporate Title Vice President Group Strategic Analytics is part of Group Chief Operation Office (COO) which acts as the bridge between the Bank’s businesses and infrastructure functions to help deliver the efficiency, control, and transformation goals of the Bank. You will join the Debt … traders globally and provides ticking and event-driven intraday risk and P&L for Rates, Credit and Emerging Markets trading desks. The delivery team consists of quantitative business analysts, Java quantitative software engineers, C# engineers, platform engineers and testers, and uses JIRA to track and manage deliveries. Server-side development is done in Java utilising Oracle Coherence in … throughput, multi-threaded and highly distributed system. The platform runs on clusters of physical Redhat Linux servers, and utilises Oracle Coherence, Spring Framework, Hibernate, Oracle Exadata and Solace and Java Message Service (JMS) messaging. You will be responsible for developing risk and P&L functionality in Java, including analysing, designing, coding, and supporting functionality across trade sourcing, market More ❯

complete job description. We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within Quantitative Execution Strategies Tech, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products … technology team. Collaborates closely with front office teams (trading, structuring) to support the QES platform. Develops platform and visualization components required by the desk. Utilizes principal technologies such as Java, Python and TypeScript (React) within the team. Required Qualifications, Capabilities, and Skills: Formal training or certification on software engineering concepts and proficient advanced experience Hands-on practical experience delivering … leveraging scrum, sprint planning, retrospectives and reporting progress to senior stakeholders. Preferred Qualifications, Capabilities, and Skills: Experience of working in a front office environment within financial services Knowledge of Java, Python, Typescript, React About Us J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals More ❯

Java Developer Java roles available at a fast-growing business finance company based in London, on a mission to simplify funding for SMEs across the UK. By combining innovative technology with a deep understanding of business needs, we help entrepreneurs access the capital they need to thrive. As we scale our digital product offering, we're looking for … a talented Java Developer to help build scalable, cloud-native services at the heart of our platform. As a Java Developer , you’ll join a collaborative, cross-functional engineering team building modern financial products using Spring Boot , Microservices , and cloud infrastructure . You’ll play a key role in designing and developing backend services that power our lending … contribute to code reviews and architecture discussions. Build integrations with third-party financial services (e.g., Open Banking APIs, payment providers). What We’re Looking For: Strong experience with Java 11+ and the Spring ecosystem (Boot, Data, Security, etc.). Proven track record building microservices architectures and REST APIs. Familiarity with Docker , Kubernetes , or other container orchestration tools. Experience More ❯

Java Developer Java roles available at a fast-growing business finance company based in London, on a mission to simplify funding for SMEs across the UK. By combining innovative technology with a deep understanding of business needs, we help entrepreneurs access the capital they need to thrive. As we scale our digital product offering, we're looking for … a talented Java Developer to help build scalable, cloud-native services at the heart of our platform. As a Java Developer , you’ll join a collaborative, cross-functional engineering team building modern financial products using Spring Boot , Microservices , and cloud infrastructure . You’ll play a key role in designing and developing backend services that power our lending … contribute to code reviews and architecture discussions. Build integrations with third-party financial services (e.g., Open Banking APIs, payment providers). What We’re Looking For: Strong experience with Java 11+ and the Spring ecosystem (Boot, Data, Security, etc.). Proven track record building microservices architectures and REST APIs. Familiarity with Docker , Kubernetes , or other container orchestration tools. Experience More ❯

A Global Financial Services SaaS Technology provider is currently seeking a Senior Software Engineer to join their Technology team, working specifically on their Trade Surveillance/Compliance Platform used by key clients. As part of a high-performance engineering team, this person will be involved in the design and implementation of data pipelines and services that operate across large … reliability are critical. The platform also leverages machine learning to help them to detect trading behaviour that may trigger regulatory inquiries. In terms of the technical stack, this includes Java, Python, Apache Spark (on Serverless EMR), AWS, DynamoDB, S3, SNS/SQS. Experience Required; Strong backend software engineering experience, ideally with distributed systems and large-scale data processing Experience … in financial markets, specifically across trade surveillance or compliance software Strong programming skills in Java (multithreading, concurrency, performance tuning) Deep experience with Apache Spark and Spark Streaming Proficiency with AWS services, ideally including tools such as Lambda, DynamoDB, S3, SNS, SQS, and Serverless EMR Experience with SQL and NoSQL databases Hands-on with Python, especially in data handling (pandas More ❯

Job Responsibilities: Design, build and maintain efficient and reliable Java code. Analyze user requirements and translate them into Java applications. Recommend changes to improve established Java application processes. Collaborate with Stake holders and Design and Develop Microservices. Develop technical designs for application development. Collaborate with the team and communicate effectively. Provide support for investigating and resolving post … grade applications. Ensure software readiness through unit testing and benchmarking. Required: Bachelor's degree in Computer Science or equivalent. 6-9 years of hands-on work experience as a Java Developer. Strong technical background in Java and Spring boot. Good experience in developing microservices Knowledge of design patterns, data structures, and algorithms. Familiarity with microservices, SQL, Kafka, and … relational databases. Exposure to Amazon Web Services (AWS) or cloud technologies. Good understanding of Docker, containers, and images. Knowledge of Java-related technologies and software development project management. Experience with RESTful and SOAP web services. Strong understanding of OOPs concepts and good design skills. Familiarity with UML and design patterns. Excellent communication and collaboration skills. Experience working in an More ❯

Job Responsibilities: Design, build and maintain efficient and reliable Java code. Analyze user requirements and translate them into Java applications. Recommend changes to improve established Java application processes. Collaborate with Stake holders and Design and Develop Microservices. Develop technical designs for application development. Collaborate with the team and communicate effectively. Provide support for investigating and resolving post … grade applications. Ensure software readiness through unit testing and benchmarking. Required: Bachelor's degree in Computer Science or equivalent. 6-9 years of hands-on work experience as a Java Developer. Strong technical background in Java and Spring boot. Good experience in developing microservices Knowledge of design patterns, data structures, and algorithms. Familiarity with microservices, SQL, Kafka, and … relational databases. Exposure to Amazon Web Services (AWS) or cloud technologies. Good understanding of Docker, containers, and images. Knowledge of Java-related technologies and software development project management. Experience with RESTful and SOAP web services. Strong understanding of OOPs concepts and good design skills. Familiarity with UML and design patterns. Excellent communication and collaboration skills. Experience working in an More ❯

continuous learning and global collaboration, where you can make a meaningful impact through innovative projects that shape the future of technology. Position Summary: We are seeking a Mid-Level Java Software Engineer to join our dynamic Financial Services technology team. In this role, you’ll design, develop, and maintain enterprise-grade financial applications while collaborating with cross-functional … architects, and QA engineers. Ideal candidates are technically strong, detail-oriented, and passionate about delivering reliable software in a regulated industry. Key Responsibilities: Develop, test, and maintain high-quality Java applications for financial services platforms. Collaborate with architects and senior engineers on system design and technical decisions. Integrate third-party APIs, data feeds, and financial market infrastructure. Participate in … application performance. Contribute to documentation and knowledge sharing within the team. Support production systems and participate in incident response as needed. Required Skills & Experience: 3–5 years of professional Java development experience. Solid understanding of core Java (Java 8+), object-oriented principles, and design patterns. Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data). Familiarity More ❯