26 to 50 of 59 Senior Software Engineer Jobs in London

Senior Software Engineer | £800/day Inside IR35 | Contract | London – 3 Days Onsite Industry: Commodity Trading Location: London – 3 Days Onsite Job Type: Contract Our client is a global commodity trading organisation undergoing a major technology transformation focused on AI-driven engineering, operational automation and modernisation … related workflows. This role is suited to engineers who enjoy solving complex technical problems, rebuilding legacy workflows using modern technologies and working across software engineering, cloud infrastructure and AI tooling. What You’ll Be Doing Design and build scalable cloud-native applications and operational tooling. Develop AI and agent ...

Software Engineer - Up to £160,000 - London Title : Software Engineer Company : AI Startup Location : London Pay : Up to £160,000 Additional: Very strong stock options Company : A recently funded AI start up, spun out from an elite academic institution are looking to grow their software ...

optimise operations in real time, cutting costs and carbon today while building the foundation for the next industrial revolution. We're looking for a Senior Software Engineer to join our platform team and help us push the boundaries of what AI can do for the planet. … research teams. We operate as one cohesive unit, sharing tech stack, knowledge, and objectives. Our focus spans from fundamental ML research to commercial‐grade software development, offering diverse learning and impact opportunities. Why this role exists Carbon Re is scaling deployments from a handful of sites to dozens ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background ...

Senior Software Engineer – AI Start-up – London – In-Office – Up to £200k Base + Equity We’re supporting a category-leading AI organisation building next-generation conversational agents used by major global brands. Their platform powers intelligent, human-like interactions across chat, email and voice, resolving millions … voice models and build scalable, production-ready pipelines. Identify patterns across customers and feed those insights into platform improvements. Qualifications 2+ years’ experience in software engineering. Strong competence with Python and TypeScript , including asynchronous programming. Ability to debug across deep technical stacks: distributed systems, latency, failure modes, data flows. ...

Senior Software Engineer - Storage & Compute Stability Location London Business Area Engineering and CTO Ref # 10049715 Description & Requirements About the Team The Storage and Compute Stability Team is a trusted partner in ensuring the reliability, performance, and security of Bloomberg’s cloud storage and compute infrastructure. … operate at the intersection of infrastructure, software, and services, proactively identifying, solving, and preventing issues before they impact our users. Our focus is on streamlining processes, driving automation, and serving as a bridge between product teams and stakeholders. This enables Bloomberg’s engineers to innovate rapidly, while maintaining stability ...

companies worldwide, and we’ve grown into a global company of 1,800 people across 12 offices worldwide, with headquarters in London and Boston. Software Engineer – Billing Team Are you a Software Engineer who thrives on real ownership? At Perk, you’ll own the entire lifecycle … coding interviews; the bar is understanding your code and owning what you produce. Some examples of what it means to be a Senior at Perk Shape the bigger picture. You will refine the what to build and why, contributing to squad’s quarterly goals and long‐term vision with ...

Cititec is seeking a Senior Software Engineer for a contract position with a daily rate of £800, based in London with 3 days onsite. Join a global commodity trading organization focused on innovative AI-driven engineering solutions. In this role, you will work on automating engineering workflows ...

Description About the role: We are looking for a Senior Software Engineer to join our Send Core team. We provide the critical infrastructure that every sending transaction flows through - from 10 pounds sent to a friend to a multi-million dollar business payment. … mission to make sending money as easy and fast as paying for groceries with your card. How we work: We believe that an engineer is more than just a coder. Our engineers are focused on improving our customers’ experience - and they see the impact of their work on millions ...

member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. We're looking for a Senior Software Engineer to join our team building and operating the core data platform that powers our business. This platform sits ...

it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a Senior Software Engineer to design, build, and operate research and production infrastructure for mid-frequency equity statistical arbitrage strategies. This is a hands-on engineering role with … experience building end-to-end systematic trading systems in a hedge fund or proprietary trading environment. We are also highly interested in strong software engineers from technology companies or adjacent domains who have built complex, data-intensive systems with high standards for correctness, reliability, scalability, and long-term maintainability. ...

Senior Robotics Software Engineer £65,000 - £90,000 DOE Remote Company Overview Our client is building advanced AI and autonomy technologies that solve some of the most technically challenging problems in computer vision, robotics and machine learning click apply for full job details ...

looking for a Senior Embedded Software Engineer to develop advanced, real-time software solutions for complex systems. You will be responsible for delivering software from initial concept through to fully verified solutions, working across the full development lifecycle. Key Responsibilities Design, develop, and maintain high … quality software using best engineering practices Take ownership of software development from requirements through to verification and validation Support and enhance existing software in line with evolving project and customer needs Contribute to system architecture, design reviews, and technical decision-making Collaborate with multidisciplinary teams including systems ...

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 ...

building things the right way to solve valuable customer problems well, working together, and learning fast. About the Role We're looking for a Senior Full Stack Engineer with a backend lean to help us design, build and scale our platform across the private markets ecosystem. This … code reviews, architectural decisions and the standards you model day to day. AI is central to how this team works, and we want a Senior Engineer who helps lead that, not just participate in it. We're talking about building AI‐assisted workflows, identifying where AI can meaningfully ...

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 ...

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 ...

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 ...

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 ...