26 to 50 of 264 Software Engineer Jobs in London

Software Engineer - Commodities firm - Permanent - London About the role: We're looking to hire a Software Engineer to join our growing Commercial Engineering team. This role sits close to the front office, giving you the opportunity to work directly with traders and business stakeholders on high ...

love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ 💰 Package: Up to £80k + bonus + equity 📍 Location: Hybrid in London (2x per week) We are very excited … continuing our partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they assist in the global transition towards sustainable living ...

Software Engineer: E-Commerce Tech Startup (London) We're a funded e-commerce tech startup approaching public launch. The platform is built, transactions are live, and we're looking for an experienced, motivated software engineer to join us as an early hire. You'll work across ...

Software Engineer — AI x Finance 💡 What if your next role let you reinvent how the world’s most important business decisions are made — turning Excel into an AI-powered engineering environment? 🚀 Our client — a seed-stage AI startup — is hiring a Software Engineer (London, onsite). … tools (Cursor, Claude Code) to ship high-quality code at speed ✅ Own features end-to-end — from Rust services to frontend ✅ Write highly optimised software (memory, caching, performance) ✅ Improve AI agent systems, tooling, and context optimisation ✅ Own backend infrastructure and CI pipelines ✅ Collaborate closely with design to deliver polished ...

Embedded Software Engineer Location: Ealing area Salary: Up to 65,000 + Extensive benefits The Role KO2's client is seeking a talented Embedded Software Engineer to help deliver robust, high-quality embedded software for existing and future electric products. This is an exciting opportunity … involved in the full product lifecycle-from early prototype development through to production and manufacturing. Key Responsibilities Develop high-quality embedded software that is efficient, maintainable, and scalable Work collaboratively with hardware engineers to support board bring-up, debugging, and system validation Design, implement, test, and support embedded software ...

Embedded Software Engineer Location: Ealing area Salary: Up to £65,000 + Extensive benefits The Role KO2's client is seeking a talented Embedded Software Engineer to help deliver robust, high-quality embedded software for existing and future electric products. This is an exciting opportunity … involved in the full product lifecycle-from early prototype development through to production and manufacturing. Key Responsibilities Develop high-quality embedded software that is efficient, maintainable, and scalable Work collaboratively with hardware engineers to support board bring-up, debugging, and system validation Design, implement, test, and support embedded software ...

Experis Software Engineer Perm Salary DOE London, Bristol (Hybrid) **DV or SC Clearance Essential** Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following … experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and enablement services to Government and commercial clients. ...

Senior Software Engineer (Full-Stack) 📍 Location: City-based (Hybrid/On-site options available) Role Summary We are seeking a highly experienced Senior Software Engineer to drive innovation and technical excellence across the full software development lifecycle. You’ll work across a modern tech stack … Required Experience & Skills Strong experience building full-stack web applications using TypeScript/React and C#/.NET (or similar technologies) Deep understanding of software engineering principles, including modular architecture and design patterns Proven experience designing and developing RESTful APIs and microservices Experience architecting end-to-end systems across ...

Software Engineer | Embedded & Systems | London (Hybrid) | Circa 90,000 We are supporting an innovative technology company developing next-generation networking solutions that integrate hardware and photonics for high-performance computing systems. They are seeking Software Engineers to design and develop embedded software and software for high-speed network platforms. The role involves contributing to systems that connect GPU-based infrastructure with interconnect technologies. Key Responsibilities: Define software architecture in collaboration with cross-functional engineering teams and develop embedded software for network interface hardware. Enhance and maintain DevOps infrastructure and workflows. Design ...

Senior Software Engineer - SC Cleared Location: London Salary: Up to £80,000 Clearance: Active SC Clearance and eligibility for DV To apply, email : Overview A leading organisation delivering operational cyber capabilities is looking for a Senior Software Engineer to join its growing technical team in Manchester. … highly secure, mission-critical projects supporting cyber operations in a fast-paced environment. The successful candidate will be responsible for designing, building, and maintaining software solutions used within operational cyber programmes, working closely with engineers, analysts, and technical stakeholders. Key Responsibilities Design, develop, and maintain software applications using ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier-one supplier specialising in advanced technology systems, primarily … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Senior Software Engineer (Systems & Automation) London, Hybrid, Permanent We are partnering with a high-growth technology firm in London to find a Senior Software Engineer who excels at the intersection of product engineering and operational efficiency. This is a role for an engineer ...

Backend Software Engineer STS Digital (www.stsdigital.io) is a leading regulated digital asset trading firm specializing in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a vibrant global engineering team. We are looking for a Software Engineer to join … clients and internal trading systems. Work closely with traders, quants, and other engineers to deliver performant, secure, and scalable solutions. Collaborate with the Principal Engineer and team lead to ensure systems meet engineering standards and business objectives. Contribute to development of the Client Portal, Admin Portal, and RFQ trading ...

Embedded Software Engineer Location: Ealing area Salary: Up to £65,000 + Extensive benefits The Role KO2's client is seeking a talented Embedded Software Engineer to help deliver robust, high-quality embedded software for existing and future electric products click apply for full ...

Software Engineer - Backend London (Occasional travel) Salary: Up to £85k + Benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous ...

Enterprise Software Engineer – London (Hedge Fund Environment) I’m partnering with a leading global investment firm to find a talented Enterprise Software Engineer to join their growing technology team in London. This team builds and supports critical systems used across Operations, Middle Office, Treasury, Fund Accounting … Relations, and Compliance—offering broad exposure across the business and direct impact on decision-making. What you’ll be doing: • Building proprietary, high-performance software that supports investment strategies • Designing and delivering scalable, reliable enterprise systems • Working closely with operations and middle office teams to solve complex business problems ...

Software Engineer - Mid-Lead Level - Security & Defence 📍 Location: London, Gloucester, or Manchester (Hybrid options available) 💰 Salary: £47,000 - £90,000 + clearance uplift + company bonuses + benefits 🟩 Clearance: Active eDV Clearance is essential Join one of the UK’s most impactful mission-led technology teams and work … sharp end of national security. We’re working with a range of defence primes, specialist consultancies, and tech-first SMEs delivering cutting-edge software solutions to protect the UK’s critical assets. These roles are core to national security, working across projects in cyber defence, secure data systems, threat ...

Staff Software Engineer | FinTech SaaS | Azure | .NET | Angular Ready to shape the future of treasury technology? Ripple Treasury (previously GTreasury) is hiring a Staff Software Engineer to help scale and evolve a global SaaS treasury and risk management platform used by 800+ customers across 160+ countries. … engineering standards Supporting a You-Build-It-You-Run-It model for mission-critical financial systems We’re looking for: 8+ years’ experience in software engineering Deep expertise in Azure and modern cloud architecture Strong experience building distributed, high-volume transactional systems A technical leader who thrives in complex ...

Senior Software Engineer Location: London (hybrid, 2 days per week in the office) Salary: Up to £95,000 + 10% Bonus Working Model: Hybrid (2 Days in Office per Week) This is an opportunity to step into a genuinely influential senior engineering role within a growing product-focused … requirements constructively and helping the team focus on the why, not just the task Your Skills and Experience Strong commercial experience building production-grade software in JavaScript or TypeScript environments Backend development experience with Node.js and modern APIs Frontend experience with React, ideally including Next.js Experience working ...

Senior Software Engineer London – Hybrid We’re working with a growing, international technology business at a pivotal stage of its scale-up journey. With a high-performing team of around 40 people and ambitious growth plans, the company is now seeking a Senior Software Engineer … systems and support the next phase of scale. Reporting into the VP of Engineering, this role is focused on building reliable, scalable software and supporting the systems that underpin the company’s platform. While not a people management position, it carries significant influence across engineering and plays a central ...

summary UCLH is looking for a Senior Software Engineer to lead the design and delivery of secure, high-quality data pipelines. This will ultimately lead to AI-ready platforms that let clinicians and researchers move faster from hypothesis to patient impact. You'll join the SAFEHR team that … platform) and the problems are hard (clinical data at scale, governance, real-world messiness). This role would also be suitable for a research software engineer or data engineer as there are considerable overlaps in skills and abilities. This is a leadership role. You'll line-manage ...

Senior Software Engineer (Backend)London - Hybrid (3 days in office) Up to £85k + benefits What if the systems you built were used every day by millions of readers around the world? A long-established, AI-driven technology business is hiring a Senior Software Engineer … Kubernetes, Git What they're looking for: 5+ years' backend or server-side engineering experience Strong system design and production experience Autonomous, senior-level engineer Background from strong engineering environments If you would like to find out more, please contact James Chau at . ...

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where … exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing ...

Senior Software Engineer Central London | £85,000 plus 10% bonus and benefits | 2 days in the office This is a chance to step into a senior, hands on engineering role where you can influence how complex, revenue critical platforms are designed and built. You will play … ownership of how problems are approached, prioritised, and solved, rather than simply delivering tasks Your Skills and Experience Strong commercial experience building production ready software in a modern engineering environment Backend experience with Node.js and familiarity with Python, particularly in data or AI related contexts Frontend experience with React ...

Senior Software Engineer | Sports Data London, UK | Remote Working Up to £80,000 + Company-wide benefits We’re partnered with a high-growth sports media network that operates a portfolio of market-leading brands and partnerships across the sports betting and tech space. Their mission … with premium content, real-time insights, and cutting-edge tools, all powered by modern, cloud-native technology. They are looking for an established Senior Software Engineer to join their expanding data team, where you will be working directly on key services that power a core part ...