14 of 14 Permanent Software Engineer Jobs in the City of London

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 ❯

Backend 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, earning substantial bonuses. As a Backend Software Engineer within the trading … 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 Backend 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 Backend 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 ❯

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 ❯

Senior Java Software Engineer/Team Lead (FX Trading) London to £135k Do you have advanced Java technical knowledge combined with team leadership skills and a strong knowledge of Capital Markets? You could be progressing your career at the Investment Management arm of a global bank. As a Senior Java Software Engineer/Team Lead you … have excellent communication and collaboration skills You are degree educated in Computer Science or similar technical or numerate discipline What's in it for you: As a Senior Java Software Engineer/Team Lead you will receive a competitive Salary to £135k Bonus Pension One day work from home per week Continuous training and career progression opportunities Apply … now to find out more about this Senior Java Software Engineer/Team Lead (OOP Java Algorithm) 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 life and will never discriminate based on More ❯

Software Engineer (Full Stack) London (5 days a week in office) £90,000 - £110,000 per annum Generous Benefits Package An innovative AI startup are looking for a Senior Software Engineer to join the team. In this pivotal role, you will lead the design, development, and deployment of robust and scalable software applications, ensuring seamless … integration and performance across both front-end and back-end systems. Key Responsibilities: Lead the full software development lifecycle, from requirements gathering and system design to implementation and deployment. Develop high-quality, scalable, and maintainable code using TypeScript, React, Next.JS, Node.js, and Python. Architect and build cloud-based solutions on AWS, ensuring high availability, security, and performance. Collaborate with … ensuring optimal system performance and user experience. Stay current with emerging technologies and industry trends, continuously enhancing your technical skills and knowledge. Skills required: Previous experience in a fullstack software development role. Proven expertise in TypeScript, React, Next.JS, Node.js, Python, and AWS. Strong understanding of software architecture, design patterns, and best practices. Experience with cloud infrastructure and services More ❯

Full Stack Software Engineer London (5 days a week in office) £90,000 - £110,000 per annum Generous Benefits Package An innovative AI startup are looking for a Fullstack Software Engineer to join the team. In this pivotal role, you will lead the design, development, and deployment of robust and scalable software applications, ensuring seamless … integration and performance across both front-end and back-end systems. Key Responsibilities: Lead the full software development lifecycle, from requirements gathering and system design to implementation and deployment. Develop high-quality, scalable, and maintainable code using TypeScript, React, Next.JS, Node.js, and Python. Architect and build cloud-based solutions on AWS, ensuring high availability, security, and performance. Collaborate with … ensuring optimal system performance and user experience. Stay current with emerging technologies and industry trends, continuously enhancing your technical skills and knowledge. Skills required: Previous experience in a fullstack software development role. Proven expertise in TypeScript, React, Next.JS, Node.js, Python, and AWS. Strong understanding of software architecture, design patterns, and best practices. Experience with cloud infrastructure and services More ❯

Job Title: Senior Software Engineer Reporting to: Lead Engineer Role Purpose: As a Senior Software Engineer, you will enhance and support both new and existing products within the Software Engineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation … or software design initiatives. Key Responsibilities: Develop new features with a strong focus on high-quality code. Conduct peer code reviews to ensure quality and adherence to best practices. Participate in daily stand-ups, change analysis sessions, and technical presentations. Provide guidance on tool and environment adoption where necessary. Continuously develop knowledge of the business domain and gain a … proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks More ❯

Software Developer/Engineer (C++ Mac Extensions EDR) WFH/London to £80k Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the … data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a Software Developer you will focus on enabling the core product, written in C/C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions … of the time, meeting up with colleagues in the London office once or twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with More ❯

Lead Software Engineer | Python, ML, AI, | Hybrid | London Backed by technology start-up accelerator and venture capital firm £60,000 - £80,000 per annum | 2+ Years of Experience Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical … on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets. As a Full Stack Software Engineer, you’ll work across backend systems, DevOps pipelines, data engineering, and AI projects, touching multiple products and directly influencing how value is delivered to users. You'll … and driven, thriving in a fast-paced, high-growth environment. You know how to balance rapid delivery with robust architecture and quality. Must-Haves: 1–2+ years of professional software engineering experience (backend, DevOps, or full stack). Proficiency in Python and experience building ML-oriented solutions. Hands-on experience with DevOps, CI/CD pipelines, and version control. More ❯

Lead Software Engineer | Python, ML, AI, | Hybrid | London Backed by technology start-up accelerator and venture capital firm £60,000 - £80,000 per annum | 2+ Years of Experience Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical … on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets. As a Full Stack Software Engineer, you’ll work across backend systems, DevOps pipelines, data engineering, and AI projects, touching multiple products and directly influencing how value is delivered to users. You'll … and driven, thriving in a fast-paced, high-growth environment. You know how to balance rapid delivery with robust architecture and quality. Must-Haves: 1–2+ years of professional software engineering experience (backend, DevOps, or full stack). Proficiency in Python and experience building ML-oriented solutions. Hands-on experience with DevOps, CI/CD pipelines, and version control. More ❯

Title : Senior Software Engineer (Compilers) Company : HPC R&D Location : London (primarily remote) Pay : Up to £160,000 + bonus + benefits Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because they get more flexibility and … significantly smaller, with highly technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position with an emphasis on AI Compiler development. You will be a significant hire and will own much of the development of a cutting-edge compiler development … the team to support this role. Mostly LLVM based, it is important you also have experience working with GPUs to an extent. About you: 6 years+ as a compiler engineer Strong C++ programming skills Experience with LLVM, MLIR, Triton or other compilers Experience with GPU architectures Full details are available. Please don't hesitate to get in touch with 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 ❯

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or More ❯

About the Company You'll be joining a global leader in real estate services and technology solutions. Known for combining deep market expertise with cutting-edge innovation, this business is committed to modernising how property and investment decisions are made. More ❯