26 to 50 of 57 Senior Java Software Engineer Jobs in London

Job Description Senior Java/AWS Developer - FTC £120K - Investment Banking An investment bank is looking for a Senior Java developer to join the front-office trading team with a large-scale migration to AWS. You will be joining the team to … bonus Duration: 1year (potential to be 2years) Location/Hybrid: X3 per week to the City of London (not negotiable) Requirement: Must have senior experience in Java, using the latest versions (V17+) Strong and demonstrable experience with AWS (preferably cloud migration experience) Must have experience in More ❯

Job Description Referment has partnered with a leading cryptocurrency firm focused on blockchain innovation, seeking a Lead Java Software Developer to join their team and help build secure, scalable software solutions within the digital finance space. Role Overview The Lead Java Software Developer will lead the design and development of Java-based applications, contributing to the creation of decentralized finance (DeFi) solutions and blockchain-based systems. Key Responsibilities Develop secure, scalable Java applications. Collaborate with cross-functional teams to deliver innovative solutions. Implement blockchain protocols for … DeFi systems. Conduct code reviews and mentor junior developers. Stay updated on blockchain trends and Java best practices. Qualifications & Skills SET degree from a top UK university. 5+ years of Java development experience, especially in backend and microservices. Experience with cryptocurrency and blockchain is a plus. More ❯

Fully Remote - Senior Java Developer - up to £75,000 Lorien are currently engaged with a leading SaaS provider within their sector who are currently looking for a Senior Java Developer to join their team as they continue growth of their existing team. … technical leadership, mentor colleagues and actively contribute to improvement initiatives and making the most out of modern technologies and innovative solutions. Technical Skills: Java Spring Boot Kubernetes AWS - Lambda, EC2, S3, RDS, DynamoDB) Demonstratable knowledge of DevOps culture, processes, technical practices and tools (IaC - Terraform) Experience with React More ❯

Senior/Lead Java Developer £450-500 per day Outside IR35 Fully Remote (Must be UK based) Initially 6 Months (Project scope for 12-24 Months) Start ASAP Unify are proudly, exclusively representing a highly respected digital transformation partner, as they embark on another exciting, high … profile program of works. We are looking for 2 Senior or Lead Java Developers to join the team on a long term contract basis. The ideal Engineers will have proven experience of working on long term Government, defense or public sector projects, with a team playing … consultative approach, with excellent communications and customer facing skills. We need: Strong experience in Java Development Experience in Postgres Experience in AWS Experience in Python Experience in HTML Experience in GIS and Ruby would be desirable ***The ideal Senior/Lead Java Developer will More ❯

money. For everyone, everywhere. More about our mission and what we offer . Job Description About the role We are looking for a Senior SRE Engineer to focus on Reliability Excellence at Wise. You will work cross functionally with all engineering teams in Wise to ensure … we consistently deliver on our availability and performance SLOs. A product engineer background looking to have a big impact, you will need strong collaboration skills, an ability to jump into projects and influence how teams approach reliability. Our SRE team is responsible for effective Incident management, Capacity management … by continuously iterating on the services we run, with a focus on availability, security, and ease of use. We’re looking for an engineer with relevant experience who can analyse complex requirements and deliver simple solutions to help our teams achieve our mission with speed and confidence. What More ❯

Senior Backend Java Developer This is an office-based role in London, Monday to Friday Financial Services £70,000 - £80,000 Are you an experienced Java Developer looking for a truly impactful role? My client, a leading FCA-regulated trading brokerage, is building a … seamlessly integrate third-party services. Actively contribute to code reviews and troubleshoot production issues. What we're looking for: Minimum 8 years of Java development experience. Strong expertise in Enterprise Java, Spring/Spring Boot, Web, Security, ORM, Junit/Mockito, Maven/Gradle. Command of … the expanding team. Innovative Culture: Be part of a unique startup culture within a well-established group, embracing AI applications in finance and software development. Excellent Benefits: Competitive salary, performance bonus, private healthcare, gym discount, pension scheme, and a collaborative environment. Candidates must be eligible to work in More ❯

Senior Backend Java Developer This is an office-based role in London, Monday to Friday Financial Services £70,000 - £80,000 Are you an experienced Java Developer looking for a truly impactful role? My client, a leading FCA-regulated trading brokerage, is building a … seamlessly integrate third-party services. Actively contribute to code reviews and troubleshoot production issues. What we're looking for: Minimum 8 years of Java development experience. Strong expertise in Enterprise Java, Spring/Spring Boot, Web, Security, ORM, Junit/Mockito, Maven/Gradle. Command of … the expanding team. Innovative Culture: Be part of a unique startup culture within a well-established group, embracing AI applications in finance and software development. Excellent Benefits: Competitive salary, performance bonus, private healthcare, gym discount, pension scheme, and a collaborative environment. Candidates must be eligible to work in More ❯

Senior Backend Java Developer This is an office-based role in London, Monday to Friday Financial Services £70,000 - £80,000 Are you an experienced Java Developer looking for a truly impactful role? My client, a leading FCA-regulated trading brokerage, is building a … seamlessly integrate third-party services. Actively contribute to code reviews and troubleshoot production issues. What we're looking for: Minimum 8 years of Java development experience. Strong expertise in Enterprise Java, Spring/Spring Boot, Web, Security, ORM, Junit/Mockito, Maven/Gradle. Command of … the expanding team. Innovative Culture: Be part of a unique startup culture within a well-established group, embracing AI applications in finance and software development. Excellent Benefits: Competitive salary, performance bonus, private healthcare, gym discount, pension scheme, and a collaborative environment. Candidates must be eligible to work in More ❯

the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Senior Lead Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative … the latest technologies and the best industry practices Use domain modelling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure … you've built through their entire lifecycle, including in production and during incident management Required qualifications, capabilities & skills Formal training or certification on software engineering concepts and applied experience Recent hands-on professional experience as a back-end software engineer Experience in coding in More ❯

An investment bank is looking for a Senior Java developer to join the front-office trading team with a large-scale migration to AWS. You will be joining the team to help coach and mentor on AWS services/products and best practices. The direction is … year (potential to be 2 years) Location/Hybrid: X3 per week to the City of London (not negotiable) Requirement: Must have senior experience in Java, using the latest versions (V17+) Strong and demonstrable experience with AWS (EKS, Fargate/RDS, EC2, Lambdas) Preferred experience supporting More ❯

integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Equities - Prime Financial Service, you are an integral part of Core Engineering … to learn the business functions within PFS. Actively contribute to the engineering community by advocating for firmwide frameworks, tools, and practices within the Software Development Life Cycle. Influence peers and project decision-makers to adopt and apply leading-edge technologies. Foster a team culture of diversity, equity, inclusion … and respect. Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and proficient advanced experience in Java Hands-on experience in system design, application development, testing, and ensuring operational stability. Proficiency in Java and cloud technologies including AWS services. Advanced More ❯

For everyone, everywhere. More about our mission and what we offer . Job Description About the role We are looking for an experienced Senior Software Engineer with a strong interest in all aspects of cyber security. Our team is the Application Security Team, our … the company. Moreover we must ensure work alongside product teams to ensure security practices are followed and mitigations are applied throughout the whole software development lifecycle. In addition to this we also work to ensure our engineering teams are trained to create safe and secure code as well … with a focus on security, ease of use and ease of evidencing the effectiveness of our guard rails. We're looking for an engineer with relevant experience who can analyse these complex requirements and deliver simple solutions to help our teams achieve our mission with speed and confidence. More ❯

seasoned technology and business professionals, and doing business with the world's largest, most influential banks and enterprise organizations. About the role: The Senior Java Developer is a member of a small, highly focused team, responsible for building services for highly scalable and robust messaging, data … acquisition, and archiving systems, using leading edge technologies. This is an opportunity to work alongside some of the best Java developers in London and apply your craft in an environment that encourages creative thinking and autonomy. We encourage our developers to think beyond a single component to build … existing services to microservices, with the goal of reducing complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers in development of functional test cases Develop deployment systems for Java based systems Collaborate with product owners on More ❯

job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description 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 … 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 … your skills. Job responsibilities Design and develop high-performance, latency-sensitive code, incorporate security requirements and reviewing code written by team members using software engineering best practices Write secure, high-quality code and automated tests Produce architecture and design artifacts for complex applications while being accountable for ensuring More ❯

UK's leading over-50s age inclusive jobs board. Job Description 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 … Transaction Development to take full advantage of the deep client relationships we have across GB and scaling proprietary idea generation Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Creates … run synchronously with appropriate systems Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software 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 … Transaction Development to take full advantage of the deep client relationships we have across GB and scaling proprietary idea generation. Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems. Creates … run synchronously with appropriate systems. Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development. Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software More ❯

Job Description Job Description 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 … enable Transaction Development to take full advantage of the deep client relationships we have across GB and scaling proprietary idea. Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems. Creates … run synchronously with appropriate systems. Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development. Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software More ❯

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 the ETT – Options Algorithmic Trading, you are an integral part of an agile team that works to … Within ETT, the Options Algorithmic Trading team specializes in developing and optimizing algorithmic trading engines specifically for options instruments. Job Responsibilities: Execute creative software solutions, design, development, and technical troubleshooting with the ability to think beyond routine or conventional approaches to build solutions or break down technical problems. … Develop secure, high-quality production code in Java, and review and debug code written by others to ensure adherence to best practices and performance standards. Design and implement algorithmic trading strategies, focusing on optimizing execution and performance in a low-touch trading environment. Collaborate with the product team More ❯

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking … an experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to contribute to the development and integration of advanced trading … capabilities. Integrate with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business More ❯

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months + Overview: We are seeking … an experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to contribute to the development and integration of advanced trading … capabilities. Integrate with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business More ❯

of savers. We’re regulated by the Financial Conduct Authority in the UK. The role: We’re looking for an experienced and driven Senior Backend Engineer to join our growing fintech team. This is more than just a coding role - we want someone who is curious … thrives on solving complex problems and influencing technical direction. Requirements: What we expect of you: Strong object-oriented design and development experience in Java, ideally utilising Micronaut or Spring Boot frameworks Experience of designing and building service-oriented and event-driven architectures Demonstrable experience of leading others in More ❯

a part of making our dream of easier and faster healthcare a reality! About the role: We are looking for talented and experienced Senior Software Engineers to work on our range of successful eCommerce sites and help sustain our trajectory of rapid growth. We operate in … engineering colleagues across the company. Who you are: Bachelor's degree or higher in computer science or a related subject. Strong knowledge of Java and the JVM ecosystem with tools such as Spring MVC/Boot and JPA. A good understanding of how to design and architect backend More ❯

and security features built-in, and manage their Avios account while enjoying their rewarding benefits. What you’ll get up to As a Senior Back-End Engineer, you'll hold a pivotal position within the product team, contributing to the design and implementation of new features … in the application's back-end. Leveraging your technical prowess and hands-on experience, you'll craft scalable, top-notch software solutions. Collaboration is key, as you'll effectively engage with product owners, architects, technical leads, and fellow developers to ensure alignment and deliver the best possible outcomes. … You'll bring hands-on expertise in crafting solutions within your chosen tech stack (e.g., Node.js and Express, Java and Spring Boot), along with a deep understanding of APIs, system architecture, and industry protocols like OAuth 2.0. Your expertise lies in the Back-End applications, where you'll 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 … out critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives. Job responsibilities Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Creates … run synchronously with appropriate systems Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software More ❯

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 … of the platform. The work requires close collaboration with our front office partners from sales, trading and quantitative research. Job Responsibilities: Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems. Develops … reviews and debugs code written by others. Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems. Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies. Acts More ❯