126 to 150 of 183 Software Engineer Jobs in the City of London

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice 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 ❯

Java Engineer A fast-growing Fintech innovating at the intersection of finance and blockchain seek a Java Engineer to join their expanding Crypto team to help design and build scalable, high-performance systems powering the next generation of digital assets. The Role As a key member of the Crypto team, you’ll work on mission-critical systems, leveraging … strong benefits package Work in a fast-paced, innovation-driven environment Opportunity to make a real impact in the crypto and digital asset space If you’re a Java Engineer excited about solving complex problems in fintech and contributing to the future of digital assets, we’d love to hear from you. More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

Backend & Integrations Engineer – Fully Remote – AI-Powered SaaS Client Open to applicants from UK We're looking for a hands-on Backend Engineer to help shape a growing applications engineering function. If you're confident across Python APIs, integrations, and workflow orchestration—and excited by the potential of AI-assisted development—this could be a great fit. You More ❯

Role: Embedded Software/Firmware Engineer Salary: £45,000 - £60,000 DOE Location: Hybrid – London Sponsorship is NOT provided Main skills we are looking for: Solid experience programming in Embedded C for microcontrollers (e.g. STM32, nRF52). Good understanding of electronics and how hardware and firmware work together Experience working with I2C, SPI, UART, and other common communication More ❯

Role: Embedded Software/Firmware Engineer Salary: £45,000 - £60,000 DOE Location: Hybrid – London Sponsorship is NOT provided Main skills we are looking for: Solid experience programming in Embedded C for microcontrollers (e.g. STM32, nRF52). Good understanding of electronics and how hardware and firmware work together Experience working with I2C, SPI, UART, and other common communication More ❯

with a market leading fintech specialising in regulatory solutions, strategy and operations. The firm is a private equity-backed business with excellent growth tragectory. We are seeking a Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS … reliability, and auditability. Mentor and guide junior engineers, providing technical leadership and helping shape the team’s engineering culture and standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯

with a market leading fintech specialising in regulatory solutions, strategy and operations. The firm is a private equity-backed business with excellent growth tragectory. We are seeking a Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS … reliability, and auditability. Mentor and guide junior engineers, providing technical leadership and helping shape the team’s engineering culture and standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and More ❯

backed business with strong advisory and product divisions, the hiring firm is ambitious to build on an already excellent market reputation and client base. We are seeking a Senior Engineer (Front End) with strong software experience and ambition to grow and develop their career. Responsibilities: Architect and implement scalable front-end solutions, contributing to overall system design and … and mentor front-end engineers, providing architectural guidance, driving framework adoption, and promoting front-end best practices across the engineering organization. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯

backed business with strong advisory and product divisions, the hiring firm is ambitious to build on an already excellent market reputation and client base. We are seeking a Senior Engineer (Front End) with strong software experience and ambition to grow and develop their career. Responsibilities: Architect and implement scalable front-end solutions, contributing to overall system design and … and mentor front-end engineers, providing architectural guidance, driving framework adoption, and promoting front-end best practices across the engineering organization. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their 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 ❯

Senior Data Engineer with 5+ years’ experience, and 2+ years in a Hedge Fund and/or in Systematic Trading Technology, sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology. Expertise in Python, including popular Python libraries for More ❯

Senior Data Engineer with 5+ years’ experience, and 2+ years in a Hedge Fund and/or in Systematic Trading Technology, sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology. Expertise in Python, including popular Python libraries for 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 8-10 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 ❯

Staff Backend Engineer Location - London hybrid (once per week onsite, minimum twice monthly) Salary - 130k-160k+ bonus/benefits + equity Our unicorn client is a fast-growing technology company in the mobility and insurance space. They're looking for a Staff Backend Engineer to take on one of their most senior individual contributor positions, providing hands-on … equity options, generous holiday allowance, and a broad package of wellbeing benefits. Commitment to diversity and inclusion—they welcome applications from all backgrounds. If you're a senior backend engineer or staff-level individual contributor who wants to combine hands-on coding with strategic technical influence , and you're looking for a role where you can shape both systems More ❯

Staff Backend Engineer Location - London hybrid (once per week onsite, minimum twice monthly) Salary - 130k-160k+ bonus/benefits + equity Our unicorn client is a fast-growing technology company in the mobility and insurance space. They're looking for a Staff Backend Engineer to take on one of their most senior individual contributor positions, providing hands-on … equity options, generous holiday allowance, and a broad package of wellbeing benefits. Commitment to diversity and inclusion—they welcome applications from all backgrounds. If you're a senior backend engineer or staff-level individual contributor who wants to combine hands-on coding with strategic technical influence , and you're looking for a role where you can shape both systems More ❯

Full Stack Engineer - Leading Hedge Fund (London) Our client, a world-renowned hedge fund, is seeking a talented Full Stack Engineer to join their London office. This is a rare opportunity to contribute to one of the fund's core business areas, driving high-impact, cross-functional initiatives. You'll take ownership of critical projects and play a More ❯

Full Stack Engineer - Leading Hedge Fund (London) Our client, a world-renowned hedge fund, is seeking a talented Full Stack Engineer to join their London office. This is a rare opportunity to contribute to one of the fund's core business areas, driving high-impact, cross-functional initiatives. You'll take ownership of critical projects and play a More ❯

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Developer Location: Manchester, Cheltenham or London Clearance required: eDV Duration: 5+ months Role Description: • Java development • Object store configuration and containerisation • Docker, Kubernetes • Back-end software development using Python … and Java • Relational databases and SQL • Experience integrating 3rd party software, scripting/glue work • Experience building and deploying web user interfaces • Experience working closely with or in national security missions • Agile approaches to delivery • Good problem-solving skills and understanding of how to trace faults/errors in the system • Ability to present technical ideas clearly and work More ❯

We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Developer Location: Manchester, Cheltenham or London Clearance required: eDV Duration: 5+ months Role Description: • Java development • Object store configuration and containerisation • Docker, Kubernetes • Back-end software development using Python … and Java • Relational databases and SQL • Experience integrating 3rd party software, scripting/glue work • Experience building and deploying web user interfaces • Experience working closely with or in national security missions • Agile approaches to delivery • Good problem-solving skills and understanding of how to trace faults/errors in the system • Ability to present technical ideas clearly and work More ❯

I'm lookout for a Senior Software Developer who enjoys wrangling geospatial data, shaping technical direction, and mentoring junior devs without making them cry (ideally). You’ll be helping design, build, and scale systems that literally protect people and businesses from chaos. You won’t need to wear a cape—but if you have one, that’s fine … don’t break out in hives at the sight of legacy code. You understand the importance of CI, testing, and not YOLOing into production. You’ve worked the full software lifecycle and lived to tell the tale. You can read and process geospatial data without rage-quitting. You’ve used AWS and serverless tools, and ideally haven’t cursed More ❯