226 to 250 of 352 Senior Software Engineer Jobs in London

a very stable product that we've worked to get to and strive to maintain. Our team values trust, respect, collaboration, agility, and quality. About the Role: As a Senior Software Engineer you are expected to participate in technical discussions to come up with a design to meet Product Requirements, develop test driven code, pair with team … detailed specifications for the development of complex system components. • Complete complex bug fixes. • Work closely with other development team members to understand complex product requirements and translate them into software designs. • Successfully implement development processes, coding best practices, and code reviews. • Operate in various development environments (Agile, Waterfall, etc.) while collaborating with key stakeholders. • Train entry-level software More ❯

AI, Robotics & Autonomy are exploding right now, and this role is right at the cutting edge. I’m working with a top robotics 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 Engineer – Computer Vision/Autonomous Machinery 🌍 Location: London (onsite) 💸 Package: Negotiable + stock options What you’ll be doing Training policies via representation learning, behaviour cloning & RL from data to deployment. Building pipelines that fuse vision, language, audio, proprioception & 3D data. Scaling distributed training + optimising models for real-time edge inference. More ❯

AI, Robotics & Autonomy are exploding right now, and this role is right at the cutting edge. I’m working with a top robotics 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 Engineer – Computer Vision/Autonomous Machinery 🌍 Location: London (onsite) 💸 Package: Negotiable + stock options What you’ll be doing Training policies via representation learning, behaviour cloning & RL from data to deployment. Building pipelines that fuse vision, language, audio, proprioception & 3D data. Scaling distributed training + optimising models for real-time edge inference. More ❯

AI, Robotics & Autonomy are exploding right now, and this role is right at the cutting edge. I’m working with a top robotics 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 Engineer – Computer Vision/Autonomous Machinery 🌍 Location: London (onsite) 💸 Package: Negotiable + stock options What you’ll be doing Training policies via representation learning, behaviour cloning & RL from data to deployment. Building pipelines that fuse vision, language, audio, proprioception & 3D data. Scaling distributed training + optimising models for real-time edge inference. More ❯

AI, Robotics & Autonomy are exploding right now, and this role is right at the cutting edge. I’m working with a top robotics 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 Engineer – Computer Vision/Autonomous Machinery 🌍 Location: London (onsite) 💸 Package: Negotiable + stock options What you’ll be doing Training policies via representation learning, behaviour cloning & RL from data to deployment. Building pipelines that fuse vision, language, audio, proprioception & 3D data. Scaling distributed training + optimising models for real-time edge inference. More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior … developers. While networking knowledge is useful, what matters most is your software development expertise and ability to apply it in infrastructure-heavy environments. What you’ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring … the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we’re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with More ❯

Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯

Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯

Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯

Senior Product Engineer (Mobile - React Native) | AI SaaS Company | London A well-funded AI SaaS company is hiring for a Senior Product Engineer (Mobile) to take full ownership of its core mobile platform. This company is building an innovative product that delivers real-world insights to a growing global client base and is supported by a More ❯

Senior Full Stack Software Engineer (backend leaning) 💵 £90-£120k + equity 💻 Serverless AWS, Typescript (backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A We are currently partnered with one of the fastest growing SaaS companies in Europe to help them scale their London engineering team and grow from 20 engineers to 40+. Their product … to manage their workflows, and they've found a strong product market fit with plenty of household name clients. Their engineering bar is high, they have a product-orientated software engineering team that enjoy working on complex challenges, solving problems and having big impact. They've attracted engineers from some of the best tech companies out there. About you … 5+ years of experience in software engineering, building full-stack applications Experience across the JS/Typescript stack would be ideal. The role is backend leaning but full-stack Driven by high-impact and ownership Have a product mindset and enjoys team collaboration for high performance If this sounds of interest, please do apply and we look forward to More ❯

Senior Full Stack Software Engineer (backend leaning) 💵 £90-£120k + equity 💻 Serverless AWS, Typescript (backend), Next.js & React 🏠 Central London | Hybrid 3 days on-site 🚀 Series A We are currently partnered with one of the fastest growing SaaS companies in Europe to help them scale their London engineering team and grow from 20 engineers to 40+. Their product … to manage their workflows, and they've found a strong product market fit with plenty of household name clients. Their engineering bar is high, they have a product-orientated software engineering team that enjoy working on complex challenges, solving problems and having big impact. They've attracted engineers from some of the best tech companies out there. About you … 5+ years of experience in software engineering, building full-stack applications Experience across the JS/Typescript stack would be ideal. The role is backend leaning but full-stack Driven by high-impact and ownership Have a product mindset and enjoys team collaboration for high performance If this sounds of interest, please do apply and we look forward to More ❯

Senior Software Developer - Ruby 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development … and open data platforms Ensure code is high-quality and well-documented Work closely with UCD teams and technical experts in an agile environment What We're Looking For: Senior Ruby developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams Desirable Skills: Python development Experience More ❯

Senior Software Developer - Ruby 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development … and open data platforms Ensure code is high-quality and well-documented Work closely with UCD teams and technical experts in an agile environment What We're Looking For: Senior Ruby developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams Desirable Skills: Python development Experience More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: Design and Architect scalable, reliable, and high-performance services and APIs. Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. Lead technical reviews and drive best engineering practices across the team (testing, CI/CD … documentation). Collaborate cross-functionally with Product Managers and Design to translate business requirements into technical solutions. Key Requirements: 5+ years of professional experience in software development, with 2+ years in a Senior capacity within a fast-paced SaaS or tech environment. Proven experience designing and deploying applications in a microservices/distributed architecture. More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge … Experience of containerisation using Docker or Kubernetes Experience of Continuous Integration (CI) and Continuous Delivery (CD) A passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them More ❯

life in our Tech teams . We put people first. It’s all about you.. The ideal candidate is someone who has a strong background in building and maintaining software and microservices within an event-sourced architecture. They should be proficient in Golang and have hands-on experience with technologies such as Kafka, PostgreSQL, AWS, and Terraform. This role … and abstraction tools that integrate with our internal CRM, while ensuring the reliability and performance of existing systems. The ideal candidate thrives in a collaborative environment, working closely with software engineers and product teams to deliver robust, high-quality solutions. Previous Rust exposure or interest to develop is highly desired. We work together. Your team and the people you … data products. It enables ELT processes from standard sources (i.e. databases, Kafka, APIs etc) to our warehouse (BigQuery) while supporting the toolset for data contract definition and maintenance. Integration software and abstraction tools between Golang applications running on Kubernetes and our internal CRM. These are developed in Golang, a few are using Rust and are at the core of More ❯

with the Machine Learning team to understand the underlying concepts 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. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make 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 More ❯

with the Machine Learning team to understand the underlying concepts 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. … experience: Experience with a startup work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make 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 More ❯