401 to 425 of 753 Software Engineering Jobs in the City of London

developing robust, systematic, and scalable solutions that drive our core operations. This is a unique opportunity for a candidate with a strong blend of smart contract expertise and traditional software engineering skills to build the next generation of DeFi infrastructure. Key Responsibilities: * Systematically integrate with various DeFi protocols (e.g., DEXs, lending markets, yield farms) across multiple blockchain networks. More ❯

developing robust, systematic, and scalable solutions that drive our core operations. This is a unique opportunity for a candidate with a strong blend of smart contract expertise and traditional software engineering skills to build the next generation of DeFi infrastructure. Key Responsibilities: * Systematically integrate with various DeFi protocols (e.g., DEXs, lending markets, yield farms) across multiple blockchain networks. More ❯

technical solution design for the continuing development of IT Centre Mandarin Speaking IT Infrastructure Manager - The Skills You'll Need to Succeed: Degree educated in Information Technology, Computer Science, Software Engineering or other equivalent Certificate in SSCP, MCSA, RHCE, CCNP is preferred Experience in system administration (e.g. Windows Server, Linux) Experience in virtual technology products (e.g. VMware, Hyper More ❯

I’m working with a top AI firm hiring Senior Software Engineers into their R&D team, building systems that push the limits of computer vision, deep learning, and autonomous vehicle/machinery. You’ll be joining brilliant minds from Tesla, Google DeepMind, NVIDIA and more. 💼 Role: Senior Computer Vision Engineer - Robotics 🌍 Location: London (onsite) 💸 Package: Negotiable + stock More ❯

I’m working with a top AI firm hiring Senior Software Engineers into their R&D team, building systems that push the limits of computer vision, deep learning, and autonomous vehicle/machinery. You’ll be joining brilliant minds from Tesla, Google DeepMind, NVIDIA and more. 💼 Role: Senior Machine Learning Engineer – Robotics 🌍 Location: London (onsite) 💸 Package: Negotiable + stock More ❯

I’m working with a top AI firm hiring Senior Software Engineers into their R&D team, building systems that push the limits of computer vision, deep learning, and autonomous vehicle/machinery. You’ll be joining brilliant minds from Tesla, Google DeepMind, NVIDIA and more. 💼 Role: Senior Computer Vision Engineer - Robotics 🌍 Location: London (onsite) 💸 Package: Negotiable + stock More ❯

I’m working with a top AI firm hiring Senior Software Engineers into their R&D team, building systems that push the limits of computer vision, deep learning, and autonomous vehicle/machinery. You’ll be joining brilliant minds from Tesla, Google DeepMind, NVIDIA and more. 💼 Role: Senior Machine Learning Engineer – Robotics 🌍 Location: London (onsite) 💸 Package: Negotiable + stock More ❯

be part of a team in delivering high quality Casino/Slot games to the market by strong collaboration with our game producers, designers, animators, sound designers, mathematicians and software engineers experts. What you'll do Ideate Casino game concepts having always in mind the wider Product strategy. Hold the vision for the product from inception to release Pitch More ❯

be part of a team in delivering high quality Casino/Slot games to the market by strong collaboration with our game producers, designers, animators, sound designers, mathematicians and software engineers experts. What you'll do Ideate Casino game concepts having always in mind the wider Product strategy. Hold the vision for the product from inception to release Pitch More ❯

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like to be part of an internationally recognised team of C++ experts led by the … brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions for millions of users. There is no red tape, there are no bureaucratic meetings. Leaders are also C++ experts. You can work from More ❯

Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯

Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that … reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn More ❯

Senior C++ Software Engineer - Architect Are you a postive person who looks to continously improve themselves, their Code and ways of working? Would you like to see your Code make our World a better place for all? How would you like to contribute to a Multi Award Winning Company, who’s products serve the greater good for all of More ❯

Senior C++ Software Engineer - Architect Are you a postive person who looks to continously improve themselves, their Code and ways of working? Would you like to see your Code make our World a better place for all? How would you like to contribute to a Multi Award Winning Company, who’s products serve the greater good for all of More ❯

Senior C++ Software Engineer London Join a pioneering team developing advanced software for secure, high-performance communications. This is an opportunity to contribute to technology that supports public safety, defence, and government operations, working within an organisation that combines the innovation of a start-up with the stability of a globally established leader. You’ll play a hands … on role designing and developing complex real-time systems used in mission-critical environments, collaborating with experienced engineers across DevOps, QA, and Architecture. If you’re passionate about engineering excellence, security, and reliability, this is a genuinely impactful role. In this role, you’ll design, build, and maintain C++ software for mission-critical communication systems while integrating with … to deliver scalable and secure solutions that perform under pressure. Your work will also involve participating in architecture discussions, contributing to code reviews, implementing best practices, and ensuring the software meets performance, reliability, and security standards. You’ll have the freedom to innovate and the responsibility to deliver technology that has real-world impact. What's required for this More ❯

Senior C++ Software Engineer London Join a pioneering team developing advanced software for secure, high-performance communications. This is an opportunity to contribute to technology that supports public safety, defence, and government operations, working within an organisation that combines the innovation of a start-up with the stability of a globally established leader. You’ll play a hands … on role designing and developing complex real-time systems used in mission-critical environments, collaborating with experienced engineers across DevOps, QA, and Architecture. If you’re passionate about engineering excellence, security, and reliability, this is a genuinely impactful role. In this role, you’ll design, build, and maintain C++ software for mission-critical communication systems while integrating with … to deliver scalable and secure solutions that perform under pressure. Your work will also involve participating in architecture discussions, contributing to code reviews, implementing best practices, and ensuring the software meets performance, reliability, and security standards. You’ll have the freedom to innovate and the responsibility to deliver technology that has real-world impact. What's required for this More ❯

Senior Engineer – Data/Software - London - £90,000 - £130,000 My client are expanding their Data Science & Technology, the team builds the systems and tools that enable trading teams to analyze markets, forecast price movements, and manage risk with speed and precision. If you’re passionate about engineering impactful solutions in a high-performance trading environment, this is More ❯

Senior Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. The company … stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time … tangible value. Contribute to technical strategy , support platform scalability, and lead by example through code reviews and mentoring. Maintain a user-centred mindset , constantly measuring and iterating on how engineering decisions translate into product value. Technical Environment: Languages & Frameworks : Python, TypeScript, React, Svelte Infrastructure & Tools : AWS, PostgreSQL, Snowflake, CI/CD pipelines Ways of Working : Agile squads, continuous delivery More ❯

Senior Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. The company … stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time … tangible value. Contribute to technical strategy , support platform scalability, and lead by example through code reviews and mentoring. Maintain a user-centred mindset , constantly measuring and iterating on how engineering decisions translate into product value. Technical Environment: Languages & Frameworks : Python, TypeScript, React, Svelte Infrastructure & Tools : AWS, PostgreSQL, Snowflake, CI/CD pipelines Ways of Working : Agile squads, continuous delivery More ❯

platform is already redefining how data, workflow, and human decision-making come together — and they’re scaling fast. If you’re excited by the idea of joining an elite engineering team tackling deep technical problems in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , you’ll … pipelines for performance and reliability. Contribute to overall technical strategy, code reviews, and system architecture discussions. Work cross-functionally with design and product to translate complex requirements into elegant engineering solutions. Maintain best practices for testing, CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in … backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/CD workflows, and containerised development. Excellent communication and problem-solving skills. Bonus Points For: Experience in AI-driven or automation-heavy environments. More ❯

platform is already redefining how data, workflow, and human decision-making come together — and they’re scaling fast. If you’re excited by the idea of joining an elite engineering team tackling deep technical problems in AI, automation, and scalable software systems, this could be the role for you. The Role: As a Senior Python Engineer , you’ll … pipelines for performance and reliability. Contribute to overall technical strategy, code reviews, and system architecture discussions. Work cross-functionally with design and product to translate complex requirements into elegant engineering solutions. Maintain best practices for testing, CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in … backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/CD workflows, and containerised development. Excellent communication and problem-solving skills. Bonus Points For: Experience in AI-driven or automation-heavy environments. More ❯

x 3 Software Engineers – Fullstack Java – Fully Remote with offices based in Bristol/Bath/Gloucestershire and Manchester 🌳🌳🌳 I am urgently seeking x 3 Software Engineers for one of the most exciting START UPs in the UK! They are now rapidly expanding their tech/development function and looking for the most talented Software Engineers to More ❯

Our client is looking for a Head of Product & Technology to lead product and engineering organisations. This role will focus on innovation, market expansion, and enhancing digital solutions This is an Athens-based role and fluency in Greek is essential Key Responsibilities: Define and a unified product and technology vision Lead and scale the engineering function Oversee the … full product lifecycle from development to launch Ensure alignment with business goals and market trends Attract, retain, and grow top talent across product management, software engineering, QA, and DevOps Qualifications: 12+ years in technology and product roles, with at least 5 years in senior management Proven track record in fintech More ❯

Our client is looking for a Head of Product & Technology to lead product and engineering organisations. This role will focus on innovation, market expansion, and enhancing digital solutions This is an Athens-based role and fluency in Greek is essential Key Responsibilities: Define and a unified product and technology vision Lead and scale the engineering function Oversee the … full product lifecycle from development to launch Ensure alignment with business goals and market trends Attract, retain, and grow top talent across product management, software engineering, QA, and DevOps Qualifications: 12+ years in technology and product roles, with at least 5 years in senior management Proven track record in fintech More ❯

Software Engineer C#, .NET Core, NUnit, Postgres, AWS, Azure, Kubernetes, Docker. City of London, United Kingdom Perm Role: £65,000 - £80,000 Harrington Starr has partnered with a Global Financial Technology company, and they are looking to hire a Mid - Senior C#, .Net Software Engineer, with experience working with highly scalable and performant systems. This is a great … system designing, planning, and implementing new features. Key responsibilities: Hands on contribution to the design of major products and applications. Designing, planning and executing new features. Ensuring consistency across engineering teams, utilising appropriate the appropriate technologies within the applications. Benefits of the role: Flexible hybrid working structure (3 days onsite) Generous holiday leave. Private medical insurance. Excellent base salary … unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Mid - Senior Software Engineer, with strong C#, .Net experience, having a direct impact from the get-go! For any additional questions, please contact me via LinkedIn or through email - ollie.bluck@harringtonstarr.com. If More ❯