326 to 350 of 370 Senior Software Engineer Jobs in London

to consider your options for 2026. Demand is high, secure yourself a move in a candidate-driven market! Fortice supports several NatSec domain suppliers and has various opportunities for Software and Data Engineers across SFIA grades, with demonstrable experience developing and supporting cutting-edge, mission-critical applications. As you may have felt, there is a drive to return to More ❯

to consider your options for 2026. Demand is high, secure yourself a move in a candidate-driven market! Fortice supports several NatSec domain suppliers and has various opportunities for Software and Data Engineers across SFIA grades, with demonstrable experience developing and supporting cutting-edge, mission-critical applications. As you may have felt, there is a drive to return to More ❯

to consider your options for 2026. Demand is high, secure yourself a move in a candidate-driven market! Fortice supports several NatSec domain suppliers and has various opportunities for Software and Data Engineers across SFIA grades, with demonstrable experience developing and supporting cutting-edge, mission-critical applications. As you may have felt, there is a drive to return to More ❯

About The Role FDM is a global business and technology consultancy seeking a experienced engineer to work for our client within the finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role that will be based in London. We're working with a leading consultancy to support their end … environment Apply engineering best practices, including CI/CD, testing, and code reviews Bring a consulting approach to stakeholder engagement and delivery About You Ideal Candidate: 5+ years of software engineering experience Strong background in Java and microservices architecture Experience with Kafka and cloud platforms (preferably AWS) Proficient in modern frontend frameworks (Angular and/or React) Previous experience More ❯

London, England, United Kingdom Software and Services Description This role is primarily focused on developing and delivering solutions by designing, writing, deploying, and maintaining code. Part of the role involves working closely with partner teams in order to help them make efficient use of the tooling and infrastructure we provide.The teams are primarily based in London (UK) and Cupertino … Qualifications some of the things our team values and focuses on day-to-day. Minimum Qualifications Appreciate automation and tooling, and believe that they play a critical role in software development. Advocate for continuous integration and continuous delivery. Have experience building tools for engineers, some of which may be backed by distributed systems at large scale. Want to participate More ❯

On a personal level, we are a close-knit team of 30 talented individuals, who thrive on collaboration and enjoy one another's company. About the Role Join the Software Engineering team, where you will be developing and enhancing our investment reporting platform, Serpentine - a web application written using Python and Django. Serpentine tackles the challenges of managing large … client websites, as well as publishing complex investment reports. We are at a pivotal stage in the development of our business, with plans to develop a new suite of software products using a microservices approach. This is an exciting opportunity to be involved with new software projects, from the research and planning stage through to final deployment. You … will Become familiar with all facets of our software's backend, with the opportunity to work on all layers of the application, including AWS infrastructure. Architect and implement new software solutions, contributing towards the overall structural design and engineering best practice. Collaborate closely with our design, front-end, and client-facing teams. Be given the opportunity to take More ❯

Be part of HL's future. Be part of the future of investing. Shape it with us. What You'll Be Doing Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services. Delivering value iteratively … outcomes with HL's mission and client value. Championing a culture of continuous learning, cross-functional collaboration, and inclusivity with a growth mindset. About You 5-8 years of software development experience within large-scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands …/TypeScript JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and DevOps principles TDD/BDD testing frameworks Desirable Java (21) and Spring Boot Interview Process 3 Stage Interview Stage 1 - Discussion More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily by thousands of … a fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on mission-critical backend … high-volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily by thousands of … a fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on mission-critical backend … high-volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily by thousands of … a fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on mission-critical backend … high-volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily by thousands of … a fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on mission-critical backend … high-volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation More ❯

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation More ❯

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation More ❯

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation More ❯

proof of concepts. Make your case, and we’ll consider expanding our tech stack. ‍ You're a great fit if You have at least 4+ years of experience in software engineering , and back yourself as an individual contributor . You're opinionated on software engineering best practices , balanced by a bias for shipping . You bring advanced expertise More ❯

proof of concepts. Make your case, and we’ll consider expanding our tech stack. ‍ You're a great fit if You have at least 4+ years of experience in software engineering , and back yourself as an individual contributor . You're opinionated on software engineering best practices , balanced by a bias for shipping . You bring advanced expertise More ❯

Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match More ❯

hybrid role where you'll be spending 2/3 days a week onsite in London What you’ll bring: ● Significant professional experience (e.g., 5+ years) in full-stack software development. ● Strong proficiency in Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. More ❯

hybrid role where you'll be spending 2/3 days a week onsite in London What you’ll bring: ● Significant professional experience (e.g., 5+ years) in full-stack software development. ● Strong proficiency in Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. More ❯

hybrid role where you'll be spending 2/3 days a week onsite in London What you’ll bring: ● Significant professional experience (e.g., 5+ years) in full-stack software development. ● Strong proficiency in Python for backend development. ● Experience with modern frontend frameworks (e.g., React, Vue, Angular). ● Solid understanding of database technologies (e.g., PostgreSQL, MySQL) and data modeling. More ❯