51 to 75 of 78 Senior Software Engineer Jobs in London

Senior AI Software Engineer is a core technical role within the AI Lab. This person helps design and build the foundation that AI solutions are built on, bringing engineering depth, an eye for systems thinking, and a commitment to quality that raises the bar for the whole … technical guidance, code review, and practical problem-solving. What we are looking for:The ideal candidate is a capable, hands-on engineer with a growing interest in how AI systems are designed and structured at scale - someone who takes quality seriously and brings considered thinking to every build. ...

Senior AI Software Engineer is a core technical role within the AI Lab. This person helps design and build the foundation that AI solutions are built on, bringing engineering depth, an eye for systems thinking, and a commitment to quality that raises the bar for the whole ...

Fortune 500 automakers use our open-source runtimes to build once and ship everywhere — websites, apps, games, and vehicles. We’re looking for a Senior Software Engineer to join our team. As part of a lean, agile team, you’ll have a high degree of autonomy, ownership … Dart/Flutter, C++, MySQL (Aurora), Redis, OpenSearch, AWS (Fargate, Lambda, CloudWatch), Docker, Terraform, GitHub Actions What you will bring 8+ years of professional software engineering experience, specifically in backend and infrastructure. Proven track record of owning and delivering backend services for scaling SaaS-based products that are widely ...

About the role We are seeking a Senior Research Software Engineer (RSE) to lead software development on web projects related to research within the Department of Infectious Disease Epidemiology (DIDE), School of Public Health, Imperial College London. This post is hosted within the Department’s Research … Software Engineering Team RESIDE. DIDE conducts research and training on the epidemiological analysis and modelling of infectious diseases. We undertake applied collaborative work with national and international agencies to support policy planning and response operations against infectious disease threats. We research both emerging and endemic diseases, with a focus ...

Senior Software Development Engineer in Test Location: Swansea, Bristol, Nottingham, Birmingham, Yeading (Hayes), Oldham , Newcastle, Leeds Salary: £44,241 per annum Vacancy Type: Permanent, Full Timeor Part Time Closing Date: Sunday 28th June 2026 The Strategy, Policy, Digital & Technology Directorate plays a central role in delivering DVSA … selection process: Developer - Modern Development Standards - Level: practitioner Developer - Systems Integration - Level: practitioner Developer - Service Support - Level: practitioner Developer - Development Process Optimisation - Level: Working Senior Developer - Programming and Build - Level: Practitioner To Apply If you feel you are a suitable candidate and would like to work for DVSA, please ...

Senior Software Development Engineer in Test Location: Swansea, Bristol, Nottingham, Birmingham, Yeading (Hayes), Oldham , Newcastle, Leeds Salary: £44,241 per annum Vacancy Type: Permanent, Full Timeor Part Time Closing Date: Sunday 28th June 2026 The Strategy, Policy, Digital & Technology Directorate plays a central role in delivering DVSA … selection process: Developer - Modern Development Standards - Level: practitioner Developer - Systems Integration - Level: practitioner Developer - Service Support - Level: practitioner Developer - Development Process Optimisation - Level: Working Senior Developer - Programming and Build - Level: Practitioner To Apply If you feel you are a suitable candidate and would like to work for DVSA, please ...

Title: Lead Software Engineer Location: Hybrid 40% onsite in London, Manchester, Birmingham, Cardiff or Northeast Duration: 12 months IR35: Inside IR35 Overview Our client is seeking experienced Lead Software Engineers to design, build and support secure, scalable digital services within a government environment. The role will focus … delivering resilient software solutions that support export control and regulatory systems, while providing technical leadership across agile delivery teams. Essential Skills & Experience Strong commercial experience with Python and Django Proven ability to design and deliver complex systems end-to-end Experience leading engineering delivery within agile teams Strong stakeholder ...

Title: Lead Software Engineer Location: Hybrid 40% onsite in London, Manchester, Birmingham, Cardiff or Northeast Duration: 12 months IR35: Inside IR35 Overview Our client is seeking experienced Lead Software Engineers to design, build and support secure, scalable digital services within a government environment click apply for full ...

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Youll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. Our work ...

leading tech company in London is seeking an experienced software engineer to design, build, and maintain AI-first software solutions. The ideal candidate has over 5 years of experience, expertise in TypeScript and Python, and a passion for creating impactful software. You will closely collaborate with ...

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. Youll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. Our work ...

engineering teams build highly technical products that fulfill real, important needs in the world. We develop and operate one of the largest scale software platforms. The fleet consists of millions of virtual machines, generating terabytes of logs and processing exabytes of data per day. At our scale, we regularly … observe cloud hardware, network, and operating system faults, and our software must gracefully shield our customers from any of the above. Unity Catalog is our platform native unified and open governance for data and AI. It eliminates silos, simplifies governance and accelerates insights at scale. We are looking ...

fast-growing logistics startup in London seeks a Software Engineer to tackle challenging problems and collaborate with experienced professionals. The role involves impactful work from optimizing operational tools to developing scalable applications. This company offers competitive compensation, generous equity, and several benefits, including private health coverage and flexible ...

inference - no gimmicks here, this is our daily routine Emerging tech integrations, including robotics and IoT-powered operations The Opportunity As a Software Engineer at Relay, you'll: Own challenging, impactful problems end-to-end, from routing algorithms to real-time optimisation services and intuitive operational tools. Collaborate ...

Senior AI Engineer London Hybrid (3 days per week) Up to £120,000 This is an opportunity to join a growing, data-focused organisation that is investing heavily in AI to drive product innovation and business performance. You will play a key role in designing and building production ...

deeply about talent density, and hire people who want to solve difficult problems with unusually high ownership. About the Role We're hiring a Senior Full Stack Software Engineer to lead the design and development of the systems that power our insurance companies and internal operations. … large technical initiatives across underwriting, claims, finance, compliance, and internal tooling. You'll work directly with leadership, product, and operations teams to build software that eliminates manual work and enables the company to scale. This role is for someone who wants significant ownership, enjoys solving complex problems ...

Role: Senior, Staff & Principal Engineers Salary range: £90-150k (+equity) Location: Central London (x3 days per week onsite – Tue/Wed/Thurs) Tech stack includes: Typescript, React, MaterialUI, NodeJS, Postgres, AWS (Serverless) Current team size: 20 Engineers We’re working with a B2B SaaS startup company based ...

Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. … looking to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large strategic consulting engagement. Must be 100% trustworthy with real integrity – this is a highly sensitive project. Key skills Python Machine Learning Terraform Go programming language Ability ...

Position Overview As a Sr. Software Engineer, Infrastructure at Circadia Health, you will play a critical role in ensuring our technical infrastructure's stability, scalability, and efficiency, which powers innovative predictive clinical analytics solutions. Reporting directly to the CTO, you will work collaboratively with the engineering and product … success. This is a mission critical role where reliability standards are extremely important since you will be directly responsible for the health of our software architecture serving 30k+ patients monitored by our Circadia Contactless Monitor (IoT devices) every day, growing to 100k+ in the next 2 to 3 years. ...

real impact from day one, we’d love to meet you. What you’ll do Design, build, and maintain reliable and secure AI-first software optimized for performance at scale Collaborate with AI engineers, product managers, and other team members to implement robust solutions Lead the technical architecture … process Work closely with the founders to align technical implementations with the company’s strategic vision Who you are 5+ years of experience in software engineering, with expertise in backend or full-stack development Proficiency in TypeScript and Python Expertise in automating cloud infrastructure through IaC Experience building event ...

Hamilton Barnes Associates Limited is seeking a product-minded engineer to join their global trading and investment firm based in Greater London. This role involves building with JavaScript/TypeScript and Node.js, owning technical problems end-to-end, and improving large-scale systems. The ideal candidate will have strong ...

stability and resources of an established firm, creating an environment where ambitious individuals can thrive. They are looking for a sharp, product-minded engineer to help scale a fast-growing platform used across the company. This position works across frontend and backend systems, solve performance challenges, and play … Qualifications Strong Java Scripting Trading exposure Docker Desirable Skills Experience with Docker and containerised environments Understanding of distributed systems and scalable architectures Experience with software testing and quality assurance practices Exposure to Rust and/or WebAssembly development Contributions to open-source projects or communities Interest in financial markets ...

money. For everyone, everywhere. More about our mission and what we offer . Job Description About the role: We are looking for a Senior Staff Engineer (IC5) to join our Risk Assessment Platform squad. Our mission is to build a platform that allows Wise product teams to stay … engineers who love solving complex, high‐scale problems. How we work: At Wise, we believe in autonomy, alignment, and impact. As an IC5 engineer, you won’t just be executing tasks—you will be a visionary. You will own fundamental components and libraries, collaborate across diverse teams, and define ...

identification and resolution of complex problems by actively engaging with customers and stakeholders across the business, driving innovative solutions Champion best practices in software development, setting a high standard for robustness, reliability, and performance while guiding the team to follow these practices Take ownership of delivering high-impact features … providing guidance, support, and development opportunities for junior and intermediate engineers Matt - Head of Engineering Have at least four years experience working as a Software Developer Have exceptional communication and collaboration skills - we work together and succeed as a team Demonstrate strong problem solving abilities, breaking down complex challenges ...

faster and solve problems more effectively and it's also more fun! We’re looking for people who want to help invent what inspection software should look like in a post AI world . What you’ll do Spend time with inspectors in factories and chemical plants. Understand … work and redesign the mobile app with them Build the systems that takes voice notes, photos, videos and proactively finishes reports without being annoying Engineer how we feed context to AI models: how to store, fetch and select standards, reports, media, user intention Evolve our workflow builder, something between ...