576 to 600 of 853 Software Engineering Jobs in the City of London

working with many of the highest growth B2B companies out there. In order to keep up with demand, and accelerate development of the platform, we are expanding our core engineering team. ‍ About the role: As a Senior Software Engineer at GoodFit, you'll be at the forefront of our technological innovation and product delivery. We're looking for … pragmatism will be key to our success. ‍ You will: Be part of a small team, working in a fully remote-first environment, spanning Europe and UK As a senior software engineer, own understanding of business problems, design, implementation and release of critical features across our stack Design and develop scalable, efficient solutions primarily using JavaScript/TypeScript and AWS … technologies, but be prepared to work with a variety of other languages and tools as needed Be comfortable switching between frontend, backend, devops, and data engineering tasks as the project demands Assess the trade-offs between added complexity, development effort, and expected gains for new features or technologies Stay updated with industry trends and best practices, bringing relevant insights More ❯

Senior Software Engineer – Full Stack ⚙️ TypeScript, React, Node 📍 London | Hybrid 💰 up to £100K + Equity We’re partnering with a fast growing London founded scale up that is transforming how companies manage and empower their people. Their intuitive integration rich platform replaces outdated HR systems with a single beautifully designed hub, helping HR, Finance and IT teams save time … reduce admin and focus on what really matters. Backed by top tier investors and already trusted by a global customer base, they are now expanding their engineering team with several Senior Full Stack Software Engineers to help take their product to the next level. The Role As a Senior Software Engineer, you will: ✨ Design, build and deliver … Node etc. 🏗️ Play a key role in shaping system architecture for scalability, reliability and performance 🤝 Collaborate closely with Product and Design to create user friendly, high quality experiences 📈 Champion engineering best practices and mentor others in the team About You You will thrive here if you: 💻 Have strong full stack engineering experience and enjoy working across the product More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity Location : Fully remote (UK … only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the backend to ensure it’s … your choice to boost workflow efficiency and deliver innovative Product features Autonomy & Ambiguity - discover, design, and build without micromanagement. Professional Development - dedicated time to explore new AI tools, Data engineering practices, and emerging tech to keep the Product ahead of the curve. They want engineers to be setup to stay on top in the new AI world. More ❯

Mid-Level Software Engineer At Nando’s, we’re more than flame-grilled PERi-PERi chicken – we’re a family of people who care deeply about creating experiences, supporting each other, and leaving a positive mark on the world. We believe brilliant ideas come from diverse voices, and we’re building a tech team where everyone feels they belong … and can grow. We’re looking for a Mid-Level Software Engineer to join our Accounting, Banking and Property (ABP) team . If you’re passionate about solving real-world problems, mentoring others, and working in an inclusive environment where collaboration and wellbeing are valued as highly as technical excellence – this could be the role for you. 🌍 Why Nando … At Nando’s, you’re part of a family, not just an org chart. 🛠️ What We’re Looking For Experience with Golang, Python, and/or TypeScript . Strong engineering background, ideally with exposure to distributed systems. Experience in agile practices and collaborative team environments. Clear communication skills and a sense of ownership. A curiosity to learn, and a More ❯

Mid-Level Software Engineer At Nando’s, we’re more than flame-grilled PERi-PERi chicken – we’re a family of people who care deeply about creating experiences, supporting each other, and leaving a positive mark on the world. We believe brilliant ideas come from diverse voices, and we’re building a tech team where everyone feels they belong … and can grow. We’re looking for a Mid-Level Software Engineer to join our Accounting, Banking and Property (ABP) team . If you’re passionate about solving real-world problems, mentoring others, and working in an inclusive environment where collaboration and wellbeing are valued as highly as technical excellence – this could be the role for you. 🌍 Why Nando … At Nando’s, you’re part of a family, not just an org chart. 🛠️ What We’re Looking For Experience with Golang, Python, and/or TypeScript . Strong engineering background, ideally with exposure to distributed systems. Experience in agile practices and collaborative team environments. Clear communication skills and a sense of ownership. A curiosity to learn, and a More ❯

Staff Software Engineer | Lead Engineer | Principal Engineer | £120K | Hybrid - London Staff Software Engineer – .NET | London (Hybrid) We’re working with a high-growth, tech-driven company undergoing a major platform modernization and are looking for a Staff Software Engineer to join their mission-critical engineering team. This is a hands-on technical leadership role with high … performance, reliability, and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous improvement Contribute to technology direction, including adoption of tools like Go and Python What We’re More ❯

Staff Software Engineer | Lead Engineer | Principal Engineer | £120K | Hybrid - London Staff Software Engineer – .NET | London (Hybrid) We’re working with a high-growth, tech-driven company undergoing a major platform modernization and are looking for a Staff Software Engineer to join their mission-critical engineering team. This is a hands-on technical leadership role with high … performance, reliability, and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous improvement Contribute to technology direction, including adoption of tools like Go and Python What We’re More ❯

candidate will help the Glint platform continue to grow, exercising an eye for detail across all aspects of the development lifecycle while maintaining organisation and good code hygiene. This Software Engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate values teamwork and collaboration, as well as continuous learning and application of … new technologies and trends. With progression in this track, the responsibilities expand to include leading teams, designing complex software systems, providing mentorship, and managing cross-functional integration. Responsibilities: Design, build, deploy, and maintain quality code that is simple, well-structured, clear, and well-tested. Effectively break down and solve complex problems that require research or collaboration. Communicate effectively, regardless … to the team Strong command of multiple levels of automated testing (e.g., unit, integration, contract, end-to-end, etc.). Initiate design and feature discussions, advocating for improvements in software performance, scalability, reliability, and security. Coordinate with other teams to ensure the successful integration of software applications. Troubleshoot and resolve production incidents quickly and effectively. Understand, respond to More ❯

candidate will help the Glint platform continue to grow, exercising an eye for detail across all aspects of the development lifecycle while maintaining organisation and good code hygiene. This Software Engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate values teamwork and collaboration, as well as continuous learning and application of … new technologies and trends. With progression in this track, the responsibilities expand to include leading teams, designing complex software systems, providing mentorship, and managing cross-functional integration. Responsibilities: Design, build, deploy, and maintain quality code that is simple, well-structured, clear, and well-tested. Effectively break down and solve complex problems that require research or collaboration. Communicate effectively, regardless … to the team Strong command of multiple levels of automated testing (e.g., unit, integration, contract, end-to-end, etc.). Initiate design and feature discussions, advocating for improvements in software performance, scalability, reliability, and security. Coordinate with other teams to ensure the successful integration of software applications. Troubleshoot and resolve production incidents quickly and effectively. Understand, respond to More ❯

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 platform operating in a … build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. Collaborate with cross-functional teams including product, DevOps, and data engineering to deliver end-to-end functionality that meets regulatory and business requirements. Leverage modern cloud services (AWS, Azure, or GCP) to deploy, monitor, and scale distributed systems in production … environments. Establish and uphold engineering best practices, including CI/CD pipelines, automated testing, and peer code reviews, to ensure code quality, 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. More ❯

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 platform operating in a … build microservices, automation tools, and backend logic, leveraging its rich ecosystem for data processing, compliance workflows, and API development. Collaborate with cross-functional teams including product, DevOps, and data engineering to deliver end-to-end functionality that meets regulatory and business requirements. Leverage modern cloud services (AWS, Azure, or GCP) to deploy, monitor, and scale distributed systems in production … environments. Establish and uphold engineering best practices, including CI/CD pipelines, automated testing, and peer code reviews, to ensure code quality, 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. More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for … data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes 🔄 Solid understanding of engineering best practices (CI/CD, Git, testing) 🧠 Problem-solving mindset & curiosity for new technologies 👉 If this sounds like your kind of challenge, I’d love to hear from you More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one’s for … data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes 🔄 Solid understanding of engineering best practices (CI/CD, Git, testing) 🧠 Problem-solving mindset & curiosity for new technologies 👉 If this sounds like your kind of challenge, I’d love to hear from you More ❯

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small, but ambitious tech-for-good/… based in the London City Centre thats building products to make sense of massive data streams. Youll be part of a tight-knit team (around ten people total, five software engineers), working on a genuinely greenfield platform with a modern stack and zero legacy The focus now is on maturing the codebase re-architecting, refactoring, testing, and scaling. As … a Senior Software Engineer, youll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to influence both product direction and engineering quality What youll be doing: Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for different More ❯

Go Engineer - London - Energy Software Company Location: Hybrid (London/Remote UK) Employment Type: Full-time Salary: Competitive + benefits + stock options About Us We're working with an energy technology company that's on a mission to accelerate the global transition to clean, reliable, and intelligent energy systems. Our software platform empowers utilities, grid operators, and … engineers who want to build meaningful technology that drives sustainability and innovation in one of the most critical industries of our time. The Role They're seeking a Golang Software Engineer to join our backend engineering team. You’ll design, develop, and maintain the core systems that power our energy intelligence platform — from real-time data processing to … discussions, and agile ceremonies. Contribute to our mission of building cleaner, smarter, and more resilient energy infrastructure. What they are looking for 3+ years of professional experience in backend software development (with at least 1–2 years using Golang). Solid understanding of distributed systems , concurrency , and API design . Experience with PostgreSQL , Kafka , Redis , or similar technologies. Familiarity More ❯

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA teams … to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern … software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties • Codes, tests, integrates, and documents software. • Provides technical leadership to more junior employees and other teams. • Apply More ❯

Graduate Software Engineer/Quantitative Developer/Quantitative Researcher 📍 Location: London (Hybrid) 💷 Compensation: Up to £170,000 + Bonus + Full Benefits 🏢 Client: Elite Global Fund 🚀 Kickstart Your Career in Technology & Quantitative Finance Just graduated and ready to launch your career at the intersection of technology, mathematics, and finance ? Join an elite global trading firm where innovation drives everything … technologists, quants, and portfolio managers 🚀 Learn fast, build fast: develop technical and analytical expertise in a performance-driven culture ✅ What You’ll Bring 🎓 Degree in Computer Science, Mathematics, Physics, Engineering , or another STEM discipline 💻 Strong programming skills in Python, C++, Java, C#, or KDB+/Q 🔍 Analytical mindset with a passion for tackling complex, data-driven challenges ⚡ Curiosity, drive More ❯

Graduate Software Engineer/Quantitative Developer/Quantitative Researcher 📍 Location: London (Hybrid) 💷 Compensation: Up to £170,000 + Bonus + Full Benefits 🏢 Client: Elite Global Fund 🚀 Kickstart Your Career in Technology & Quantitative Finance Just graduated and ready to launch your career at the intersection of technology, mathematics, and finance ? Join an elite global trading firm where innovation drives everything … technologists, quants, and portfolio managers 🚀 Learn fast, build fast: develop technical and analytical expertise in a performance-driven culture ✅ What You’ll Bring 🎓 Degree in Computer Science, Mathematics, Physics, Engineering , or another STEM discipline 💻 Strong programming skills in Python, C++, Java, C#, or KDB+/Q 🔍 Analytical mindset with a passion for tackling complex, data-driven challenges ⚡ Curiosity, drive More ❯

firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick More ❯

firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. You will join a 5-strong Data Engineering team in a Senior Individual Contributor capacity, working directly with Quant Researchers, Portfolio Managers and Traders, and designing and engineering the ingestion, storage, transformation and distribution of tick More ❯

that will define how humans and AI learn from each other — pioneering technology that is set to transform the way intelligent systems evolve. The Role We’re seeking Lead Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. You’ll work across a modern tech stack (Python, TypeScript, Vue.js, AWS/GCP … ll Do Build, ship, and support high-quality products in an agile, cloud-native environment. Collaborate with product, design, and data teams to solve complex, high-impact problems. Champion engineering excellence, continuous improvement, and innovation. Play a pivotal role in influencing the product’s direction and long-term success. What You Bring Deep understanding of modern web applications and More ❯

and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would love to see your recent frontend works! If possible … for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development: 5+ years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core technologies, including HTML5, CSS3, TypeScript and React. Design systems … an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on challenging engineering problems that have a real impact on the industry. Work with high-profile customers and technology partners. More ❯

and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would love to see your recent frontend works! If possible … for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development: 5+ years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core technologies, including HTML5, CSS3, TypeScript and React. Design systems … an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on challenging engineering problems that have a real impact on the industry. Work with high-profile customers and technology partners. More ❯

Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable 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 … holidays, private health care with aviva, income protection, super flexible hours, L&D budget, a modern and state of the art office with lots of socials and an outstanding Engineering Leader who has a history of building high performing teams and growth of individuals. If this sounds like you then please click apply now! Senior Java Developer- London/ More ❯

Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable 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 … holidays, private health care with aviva, income protection, super flexible hours, L&D budget, a modern and state of the art office with lots of socials and an outstanding Engineering Leader who has a history of building high performing teams and growth of individuals. If this sounds like you then please click apply now! Senior Java Developer- London/ More ❯