351 to 375 of 425 Software Engineering Jobs in London

scaling quickly and continuing to expand the product platform — both in terms of scale and functionality . As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform. The Role This is a hands … backend services in Python Designing systems that process financial data and investment workflows Leading architecture and technical design for new features Running a small engineering pod and guiding delivery Improving reliability, performance and resilience of core systems Mentoring engineers and raising engineering standards across the team What ...

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision? At Capital … part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful solutions that meet real customer needs. What You'll Do Own and drive the technical strategy for a significant business outcome or technology domain, spanning multiple teams and influencing the overall technical direction ...

with a strong focus on modern AI-assisted development workflows. This is a hands-on role suited to someone who is already leveraging AI engineering tools day to day to improve speed, quality, and output. The environment is TypeScript/JavaScript heavy , with some legacy PHP , so you will … backend APIs and services across a modern TS/JS stack Working alongside legacy PHP systems, helping evolve and modernise the platform Using AI engineering tools to accelerate development, debugging and delivery Designing scalable services and clean system boundaries Integrating third-party APIs including AI, analytics and external services ...

Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most sophisticated technology and financial services environments globally. This … opportunity to work on low-latency, high-throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer ...

info – Who are we? Founded in 2004, Qim info is an Swiss IT engineering and digital services company. We regularly collaborate with international clients and are looking for skilled contractors to support project-based engagements. 📄 Your responsibilities: The objective of this role is to design, build, and govern ...

vision, and we're looking for people who want to build something that matters from the ground up. About the role As a Senior Software Engineer at Clearly, you will own and shape the full technical stack - from the data pipelines that ingest telematics streams at scale, through … platform, to the APIs and interfaces that our enterprise customers depend on. You'll be a key technical voice in a small, high-ownership engineering team, working directly with the CEO and Product to make foundational decisions that will define how the platform scales. In this role you will ...

working with a forward-thinking technology company looking to hire a Graduate/Junior Software Engineer to join their growing team. This is a fantastic opportunity for someone early in their career to gain hands-on experience across a modern infrastructure stack, working on systems that are scalable, secure ...

partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly influence trading performance. Key Benefits Competitive salary with ...

CREW , which is designed in-house and distributed from our EU warehouse located in Portugal. Role Description We are looking for a skilled software engineer to be the in-house support for our core business systems, specialising in Odoo development, ERP customisation and API integration. This will initially ...

missing. This is a high-velocity environment where speed, craft, and creative ambition are non-negotiable. About the Role We're looking for an Engineering Manager to lead and grow the AI & Services engineering team. You've spent meaningful time as a software engineer — you know what … alongside your senior engineers — not by writing the code, but by shaping the decisions around architecture, tooling, and build-vs-buy. Build and maintain engineering excellence: code quality standards, review practices, incident response, and the systems that let us scale what we prototype. Represent the team across the organisation ...

Software Engineer (Founding Team) £80,000 - £150,000 + Equity Hybrid | 3-4 days a week | London, UK We’re partnering with a well-funded early-stage company building a secure automation platform used by large organisations to streamline and protect critical internal workflows. The business is already supporting … entering a rapid growth phase, with plans to scale both the product and team significantly over the next year. Responsibilities as a Software Engineer: • Improve the core automation engine to handle increasingly complex, real-world workflows reliably • Develop and enhance a secure execution environment for running automated processes • Build ...

This role is ideal for a Lead Engineer or Principal Software Engineer who is ready to step into ahands-on Engineering Managerposition. It offers the chance to combine technical leadership with active contribution to engineering delivery. The current tech stack includes Python, Django, TypeScript ...

Full Stack Software Engineer | Technical Consultancy | UK National Security & Law Enforcement What if you had real autonomy and could see the tangible impact of your work? Here, you will. Our client is a 100+ person and fast growing technical consultancy working exclusively with UK law enforcement, national security … central government. They are growing and looking for an experienced Full Stack Software Engineer ready to contribute to critical national programmes from day one. The Role You will be building and delivering software solutions as part of large-scale capability development programmes across the public sector. The work ...

This role is ideal for a Lead Engineer or Principal Software Engineer who is ready to step into a hands-on Engineering Manager position. It offers the chance to combine technical leadership with active contribution to engineering delivery. The current tech stack includes Python, Django, TypeScript ...

that address some of the most complex challenges in national security. You will work in a consultative, hands-on role, collaborating with data scientists, software engineers, product managers, and stakeholders across the full lifecycle, from hypothesis through to production deployment. Due to the sensitive nature of this work, candidates … modern MLOps/LLMOps practices, including experiment tracking, versioning, and deployment on cloud platforms Influence technical direction and best practice in ML and AI engineering Mentor and support junior engineers and graduates Engage directly with clients to scope, design, and deliver operationally-ready AI and ML solutions Key Responsibilities ...

Risk Viewer UI Developer We are seeking a highly skilled Pricing Services and Risk Viewer UI Developer to join our dynamic team. This senior software development position requires excellent C# and TypeScript/React skills, a strong knowledge of pricing models, quant libraries and risk analytics for both vanilla … exotic FX derivatives. The successful candidate will collaborate closely with business analysts, traders, and software engineers to ensure seamless integration into real-time trading platforms. Key Responsibilities: Design and implement pricing and risk analytics tools for FX cash trades and options, including exotic and structured products. Integrate and support ...

This role is ideal for a Lead Engineer or Principal Software Engineer who is ready to step into a hands-on Engineering Manager position. It offers the chance to combine technical leadership with active contribution to engineering delivery. The current tech stack includes Python, Django, TypeScript ...

Full Stack Software Engineer - TypeScript/React | Start Up | Industrial Automation We are looking for highly motivated Full Stack Software Engineers to join a fast-growing industrial tech startup focused on reinventing manufacturing. You will play a central role in building and scaling their proprietary platform, transforming factory … manufacturing for the scale-up companies shaping the future, from rockets and drones to satellites and nuclear energy. Currently running four small-to-medium software-driven factories across the UK and US, they are on track to expand to 25 factories by the end of 2026. This ...

Full Stack Software Engineer (C#/React) – Broadcast & Video Technology Location: London Area - Hybrid Full-Time Contract Rates: Negotiable We are looking for a versatile Full Stack Software Engineer to join our engineering team working on cutting-edge solutions in the broadcast and media technology space . … This role combines strong backend engineering with modern frontend development, giving you the opportunity to build end-to-end systems that support video and broadcast workflows. Experience in the video or broadcast industry is highly desirable, but not essential. What You’ll Be Doing Designing and developing ...

Senior Software Engineer/Front End Developer (TypeScript React) London/WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. What ...

Senior Software Engineer (Backend) Series A | eCommerce x Fintech | Meaningful equity Buying clothes online still isn’t a great experience. Sizing is inconsistent, returns are costly, and customers are often left guessing. Yet despite all the innovation in eCommerce, this problem remains largely unsolved. We’re working with … support that, they’re rebuilding and scaling key parts of their platform. This is where you come in. You’ll join a small, experienced engineering team and work directly with the CTO on the systems that sit at the heart of the product. This isn’t about maintaining legacy ...

scaling quickly and continuing to expand the product platform — both in terms of scale and functionality . As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform. The Role This is a hands … backend services in Python Designing systems that process financial data and investment workflows Leading architecture and technical design for new features Running a small engineering pod and guiding delivery Improving reliability, performance and resilience of core systems Mentoring engineers and raising engineering standards across the team What ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered on a Hybrid remote basis requiring … Responsibilities Design, implement, and thoroughly test new enhancements across the platform Lead feature development from initial concept through to final delivery Produce high-quality software that consistently meets performance expectations Resolve technical issues promptly to ensure continued platform stability Contribute ideas that evolve and improve the overall product architecture ...

with global reach. The Role The firm is seeking a Staff Product Engineer to join as an early member of a small, high-calibre engineering team. This is a product-first role: from day one, the engineer will help shape product direction, speak directly with users, define ambiguous requirements … solution-oriented Experience scaling TypeScript codebases Comfortable building AI agents or LLM-powered systems beyond simple prompting High attention to detail and pride in engineering craft Comfortable operating in ambiguity and moving quickly Bonus points for: Academic or applied experience in machine learning Experience bridging research and production systems ...

Mode of working: Hybrid (3 Days in the Office) Duration: 6+ Months contract initially Job Specification: Role Overview We are looking for an experienced Software Engineer who can work independently on developing new features, supporting existing platforms, and communicating effectively with stakeholders. The role requires strong technical ownership … Communicate progress, risks, and updates clearly to stakeholders Contribute to design discussions and technical decision-making Experience Required: 5 to 15 years of relevant software development experience Python Angular AI or Artificial Intelligence ...