20 of 20 Software Engineer Jobs in the City of London

Backend Software Engineer/Developer (Python C++ Grid Computing) London/WFH to £135k Are you a skilled backend Software Engineer with C++ and Python coding skills combined with financial trading systems experience? You could be progressing your career in a senior, hands-on Backend Software Engineer position at the Investment Management arm of … a global bank. As a Backend Software Engineer within the Grid computing team you will help to evolve a new framework for high performance grid computing to be used for large scale analytical computations including Risk. You'll collaborate closely with Quantitative Analysts, working across the full software development lifecycle with a focus on Python and C++ … backend development. Location/WFH: You'll join colleagues in the London, City office with flexibility to work from home once a week. About you: You have strong backend software engineering experience with both Python and C++ You have a good knowledge of analytics and Risk for one or more financial products You have a strong knowledge of Computer More ❯

C# Software Engineer/Developer (Windows Desktop Trading Systems) London to £140k Are you a seasoned Software Engineer with strong C# desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a C# Software Engineer you will … cloud computing You have excellent communication and stakeholder management skills You're degree educated in Computer Science or similar discipline What's in it for you: As a C# Software Engineer/Developer you will earn a competitive package: Salary to £140k + bonus Pension and Private Healthcare Hybrid working (x3 days in London office) Impactful role working … on cutting edge AI technology Excellent career growth opportunities Apply now to find out more about this C# Software Engineer/Developer (Windows Desktop Trading Systems) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all More ❯

Software Engineer/Developer (Full Stack Java Angular SQL API) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Software Engineer 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 Software 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 … Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems You have a strong knowledge of software engineering best practices and Agile development methodologies You're collaborative and pragmatic with great communication skills What's in it for you: As a Software Engineer/ More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the trading engine team you … are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance … Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of More ❯

Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency … Generous holiday allowance including an extra day for your birthday and work anniversary Remote, flexible working Excellent career progression opportunities Apply now to find out more about this Java Software Engineer/Developer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal More ❯

Software Engineering Lead/Technical Lead/Principal Software Engineer/Lead Software Engineer I've worked in the recruitment sector for over 15 years and this is one of the most interesting opportunities I've worked on in Software Engineering. If you are passionate, curious, hungry and seeking an opportunity to make your … Backed by leading global VCs, and brings together seasoned, experienced payment, banking and tech industry professionals who are aiming to redefine the market that they operate in. Job Description Software Engineering Lead/Technical Lead/Principal Software Enginer/Lead Software Engineer for Backend services you will be responsible for a range of backend systems … such as Software applications that include areas such as: Payment Gateway, Settlement, Transaction Fraud Monitoring, Datalake Service and the Core Banking System. You will oversee their deployment, development, enhancements and production operations. You should have extensive experience and skills in Software Engineering, DevOps, project management, incident management, team management and stakeholder management. Additionally, you should have expertise in More ❯

Software Engineer - £90,000 - Hybrid Title : Software Engineer Company : HPC/AI Location : London (hybrid) Package : Up to £90,000 Overview : A next-generation and scientifically-led HPC team have opened up an opportunity for an experienced Software Engineer with C++ and GPU expertise to join a team of exceptionally talented developers. You will … have the opportunity to shape the developmental trajectory of the business by working on high-performance greenfield projects. This is a fantastic chance for an experienced C++ engineer with proven experience in a video or high-performance environment to join a world-class team of engineers developing truly novel solutions. About you: C++ is your strongest language Ideally experience … in Video or Audio Processing Experience writing performance-critical software Exposure to GPU technology (Vulkan API, OpenGL, OpenCL, CUDA etc.,) Relevant degree Full details are available. Please don't hesitate to get in touch with maxATplatform-recruitment.com to learn more. More ❯

Job Role: Software Engineer (mid-level) Reporting to: Lead Software Engineer Location: Head Office, White City Place, West London Contract type: Full Time, 37.5 hours per wee k About the Company ME+EM is one of the UK’s fastest-growing luxury fashion brands. As a direct-to-consumer business we operate in a truly omnichannel way … build a strong, successful business and our door is always open to new talent ready to contribute to our growth and evolution. About the Role We’re hiring a Software Engineer (Full Stack) to join ME+EM’s growing Digital Platforms team. With our digital transformation complete, we’re now focused on continuously improving our customer experience, scaling our … maintainable, extendable, secure systems. Experience delivering web apps at scale. Experience building out and maintaining CI/CD pipelines. Experience working with multidisciplinary squads. A solid understanding of agile software delivery and continuous improvement. A passion for delivering simple, scalable solutions (often to complex problems). Excellent attention to detail. An ability to explain technical concepts to non-technical More ❯

Lead Software Engineer - TypeScript, Node.js, React, NestJS, Tailwind CSS, Postgres Overview We’re seeking a passionate Senior/Lead Engineer to join a fast-growing, profitable Series A food tech startup transforming the way people eat. This unique role offers you the chance to work directly with founders, influence the product and technical roadmap, and build a … food quality control, anomaly detection, and kitchen management Automate manual workflows in kitchen operations, leveraging cutting-edge AI tools Collaborate closely with founders and the AI/Data Science engineer to shape product and technical strategy Stay hands-on with development, spending most of the time coding and problem-solving Foster a culture of innovation, rapid iteration, and continuous … improvement Essential Skills and Experience Proven software engineer with strong expertise in data engineering and system integrations Architectural skills with the ability to design scalable, stable systems from the ground up Experience building and managing small engineering teams Familiarity with AI-native development tools and a passion for leveraging AI in practical applications Highly motivated, curious, and hands More ❯

Research Software Engineer Location: London (Hybrid) Duration: 8 weeks initially Salary: £30 an hour (Via an umbrella company) Role Overview We are seeking a Research Software Engineer to support computational and data science projects within the Department of Earth Science and Engineering. The role involves close collaboration with researchers to develop, implement, and support high-quality … software solutions for both teaching and research. Key Responsibilities Collaborate with researchers to deliver data-driven and computational research solutions. Manage technical projects, including requirements gathering, planning, and risk management. Define and promote software development best practices (testing, CI/CD, version control). Design and deploy scalable software systems with monitoring in mind. Apply high-performance … research students and contribute to the department's technical strategy. Engage with academic and technical stakeholders across the College. Person Specification Essential: Postgraduate qualification or equivalent experience in research software development Experience collaborating on research or computational projects Proficient in at least two research programming languages (e.g. Python, C++, R, Fortran, Matlab) Full software development lifecycle experience Strong More ❯

Senior Software Engineer – XR Runtime (C#/Unity) 📍 Location: London (3 days onsite, Kings Cross) 📅 Duration: 6 months (contract) 💼 Rate: £ 66.83p/h PAYE 🕒 Hours: 40 hours/week 📌 Start Date: ASAP Join one of the most innovative companies shaping the future of augmented and virtual reality . We're seeking a Senior Software Engineer to … support the development and optimization of immersive social experiences on a large-scale XR platform. If you're a generalist engineer with deep C#/Unity expertise and a passion for performance and reliability, this role is for you. 🔧 What You’ll Be Doing: Enhance the runtime stability and performance of a cutting-edge VR platform. Work on Unity More ❯

Our client, a fast-growing FinTech organisation delivering innovative digital financial solutions, is seeking a highly experienced Senior Software Engineer. This is a unique opportunity to join their dynamic tech team as they prepare to launch a brand-new mobile app in September 2025. The successful candidate will spearhead Python development, becoming the first permanent Python specialist within the … collaborative team of Developers, Data Engineers, and Technology Experts. With a CEO who is a strong advocate of AI, experience and passion for AI technologies and their application in software development will be highly valued. Main Purpose of the Role: Lead and champion Python development within the organisation. Drive technical innovation across mobile app projects, backend development, and AI … driven solutions. Collaborate closely with a multi-disciplinary technology team to deliver scalable, robust solutions. Key Responsibilities: Design, develop, and maintain high-quality software solutions using Python. Contribute to mobile app development, ensuring seamless integration with backend systems. Build and maintain CI/CD pipelines for efficient and secure deployments. Develop solutions on AWS cloud infrastructure, ensuring performance, security More ❯

Go Engineer/GoLang Engineer/AI Engineer/AI Developer/Software Engineer - Go We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Are you ready to bring your Lead Software Engineering expertise to the next level? We're looking … s commercial goals by harnessing artificial intelligence and machine learning technologies to develop new products, improve productivity, and enhance risk management effectively and responsibly Overview: Designs and develops creative software solutions, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops secure high-quality production code, and 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 evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture Leads communities of More ❯

Software Engineer – AI x Metaverse (Node, React, AWS/GCP) London | £50–65k | Onsite 4 days/week 2-5 years commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their platform provides real-time insights and performance metrics across virtual environments, and they’re already working with some of the More ❯

Senior Software Engineer Full Stack - AI Health Tech London, 2 days a week on site Up to £110,000 + Equity Looking to work on something meaningful? I'm currently helping a mission-led health tech start-up who are using AI to remove admin overload, freeing up doctors and clinicians to do what they do best: care. … complex, data-heavy workflows with intelligent automation. The result? Faster decisions. Better care. Less burnout. And millions of lives already improved. They're looking for a Senior Full Stack Engineer to join our founding tech team and help scale the impact even further. What You'll Be Doing Take real ownership across the full development lifecycle - from idea to More ❯

Software Developer (C#, .NET, AWS) Hybrid (2x in London Office) | £60,000–£70,000 + Bonus + Clothing Allowance Our client is a direct-to-consumer fashion brand with a strong presence across the UK, US, and Europe. With the majority of sales coming through e-commerce, technology is central to how they operate and grow. As they scale … their digital platform and modernise their cloud infrastructure, they’re looking for a Software Developer to join their fast-paced engineering team. This is a great opportunity to work on mission-critical systems that support millions of customers globally, while contributing to the evolution of a beloved brand’s technology stack. What You’ll Do: Full-Stack Cloud Development … Design, build, and maintain scalable cloud-native services and applications using AWS and .NET technologies. Own the Full Lifecycle: Take ownership of software delivery from ideation and design to development, deployment, and ongoing maintenance. Set the Standard: Help define and implement internal standards, libraries, and templates to promote consistency and speed across the engineering team. Collaborate Cross-Functionally: Work More ❯

Senior Software Developer (C#, .NET, AWS) Hybrid (2x in London Office) | £70,000–£80,000 + Bonus + Clothing Allowance Our client is a direct-to-consumer fashion brand with a strong presence across the UK, US, and Europe. With the majority of sales coming through e-commerce, technology is central to how they operate and grow. As they … scale their digital platform and modernise their cloud infrastructure, they’re looking for a Senior Software Developer to join their fast-paced engineering team. This is a great opportunity to work on mission-critical systems that support millions of customers globally, while contributing to the evolution of a beloved brand’s technology stack. What You’ll Do: Full-Stack … Cloud Development: Design, build, and maintain scalable cloud-native services and applications using AWS and .NET technologies. Own the Full Lifecycle: Take ownership of software delivery from ideation and design to development, deployment, and ongoing maintenance. Set the Standard: Help define and implement internal standards, libraries, and templates to promote consistency and speed across the engineering team. Collaborate Cross More ❯

Our Principal Software Engineers are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thorough understanding of our clients and their needs, strong discipline skills and subject matter expertise, excellent leadership and a clear vision of lasting and effective change in a public sector environment. … We expect our Principal Software Engineers to bring all of that and enthuse our delivery teams with the same passion. The successful candidate will lead the Software Engineering aspects of our client engagements while overseeing the wider delivery within the account (or industry) when appropriate. In addition, our Principal Software Engineers are responsible for engaging with our … trusted advisor relationships. They will also oversee multiple, concurrent client deliveries to help ensure quality and drive the sharing of best practice across our engagements and industries. Our Principal Software Engineers are members of the Software Engineering Practice leadership team with the responsibility to develop the capability of the practice to meet business needs and to accelerate the More ❯

SENIOR DATA ENGINEER PERMANENT CITY OF LONDON £80,000 As a key member of this team, you will play a pivotal role in designing and implementing data warehousing solutions using Snowflake and AWS. You will help drive the evolution of our data architecture as we move from Redshift to Snowflake. Looking for someone with extensive experience with cloud providers … as Glue (Spark), Lambda, Step Functions, ECS, Redshift, and SageMaker. Looking for someone with hands-on development Conducting code reviews, mentoring through pair programming. Looking for data engineering and software development Building APIs, integrating with microservices, or contributing to backend systems — not just data pipelines or data modelling. CI/CD and Infrastructure-as-Code Tools like GitHub Actions … services such as Glue, Lambda, S3, Redshift, and Step Functions. Lead the development of robust data pipelines and analytics platforms, ensuring high availability, performance, and maintainability. Demonstrate proficiency in software engineering principles, contributing to the development of reusable libraries, APIs, and infrastructure-as-code components that support the broader data and analytics ecosystem. Contribute to the evolution of the More ❯

engineers. Promote best practices and foster a high-performance, collaborative culture. Project Delivery: Oversee sprint planning and delivery cycles. Ensure on-time delivery of scalable, secure, and high-quality software solutions. Product Collaboration: Work closely with Product Managers and Regulatory Experts to align engineering output with business goals. Technical Engagement: Participate in code reviews, architecture planning, and solution design. More ❯