76 to 100 of 353 Senior Software Engineer Jobs

Senior Software Engineer | .NET Bristol (2 days onsite) £70,000 - £80,000 pa We are supporting a leading UK organisation delivering large-scale, customer-facing digital platforms. They're seeking a Senior Software Engineer to play a key role in building AI-powered backend … solutions. This role is ideal for a hands-on .NET engineer with practical experience in AI/LLMs and prompt engineering, who can design scalable backend systems while influencing technical direction. Key Responsibilities Design and deliver AI-powered features using LLMs, prompt engineering, and data-driven approaches Build ...

Senior Software Engineer (DevOps) — Remote £70,000 – £75,000 per annum (UK) | Equivalent ranges available for other countries No sponsorship offered Our client writes code that actually changes lives. Not in a "we disrupted the lunch ordering space" kind of way. We mean genuinely changes lives — restoring … people worldwide are losing their vision unnecessarily, and this award-winning team is on a mission to fix that. They're looking for a Senior Software Engineer to join them. So what will you actually be doing? You'll be joining a tight-knit, senior engineering ...

Senior Software Engineer (Full time perm) Hybrid, Newcastle (remote considered) We are looking for a Senior Software Engineer with deep expertise in C#/.NET to drive the evolution of server-side systems within a fast-scaling environment. You’ll play a pivotal role … subject matter expert What We’re Looking For Back-end development experience with C#/.NET, including work at scale Strong understanding of software design patterns, systems architecture, and secure development Experience designing APIs with a focus on security and best practices Proven experience delivering AI-powered features, including ...

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 ...

Senior Software Engineer (.NET) - £70- £90k | Tech4Good Consultancy | Leeds/hybrid In an AI-driven world, the consultants who’ll thrive aren’t just technical experts. They’re the people who can influence, identify opportunities and turn conversations into long-term partnerships. We’re looking … Principal Engineer/Consultant who wants to play a bigger role in shaping solutions, driving AI innovation and building trusted client relationships. About the business 🚀 Join a consultancy with 10+ years in the market that has built a strong reputation within AI, Machine Learning and Tech4Good. ...

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 … Design and build scalable, reliable backend and frontend systems that support internal products used to manage advertising campaigns end to end Act as a senior technical voice within the team, guiding design decisions and challenging the "why" behind solutions Coach and support a small group of developers through code ...

Senior Software Engineer (.NET/Azure) £45,000 - £60,000 + Benefits Birmingham (Hybrid -1 day every 2 weeks, with occasional onsite workshops) Synchro are partnering with a growing, private equity-backed organisation to hire a Senior Software Engineer into a high-impact team … also wants to step into a broader engineering role with visibility and autonomy. What You’ll Be Doing: Designing, building and delivering scalable software solutions using .NET and Azure Owning features end-to-end from concept through to deployment Building APIs, integrations and modern data-driven applications Improving ...

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 … 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 - £80k + bonus + shares | SustainbleTech | Yorkshire/hybrid What is SustainableTech? 🌱💡🌎 Eco-Tech, Environmental Tech, Green Tech etc are tech business' that build products designed to promote sustainability and ultimately help save the planet! Why work in the SustainableTech space?🌱 💡🌎 Aside from … size of $55 Billion. More money = more innovation The role 😎 ✅ Build and optimise AI-driven object detection and video analysis systems, designing power-efficient software for next-gen hardware ✅ Own production services end-to-end, using large-scale real-world data to monitor, improve performance, and enhance user experience ...

Senior Software Engineer | HealthTech (Python/Typescript/React/FastAPI) 🌍 100% Remote (UK-based) 💰 Up to £100,000 | Full-Time About the Role Our HealthTech client is building a cohesive, high-performing in-house engineering team to power their growing technology suite, from web applications … data analytics platforms to AI tools and internal systems. They’re looking for a Senior Software Engineer (Full Stack) who enjoys working across the stack, building impactful solutions, and contributing to products that genuinely make a difference to people’s lives. What You’ll Do Collaborate with ...

Senior Software Engineer with strong C++ skills and a background in signal processing, looking for a role where your work genuinely matters? Do you want technical leadership, real project ownership, and a career you can shape yourself? We're working with a highly respected, specialist technology business … based in Chertsey to find a Senior Software Engineer to join their experienced engineering team. This is a hybrid role offering genuine flexibility alongside meaningful, technically challenging work. Important: This role requires SC or DV Security Clearance eligibility. Applicants must be sole UK nationals. What ...

Senior Software Engineer Siemens TIA Portal Automated Warehousing Warwickshire/Hybrid £60-70k Samuel Frank is recruiting for a Senior Software Engineer to join a growing automation business delivering turnkey automated warehouse systems across the UK. Youll split your time between development ...

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 … fans 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 ...

SENIOR SOFTWARE ENGINEER (NODE)/LONDON/£120,000 BASE SALARY Want to be 100% hands-on , own end-to-end quality and sit really closely to the product? You can do this WHILST working with AI tools. This business, that operate in the FinTech space, have … recently secured millions in Series B funding. I’m looking for a Senior Software Engineer to join their scaling team. If you can own processes, lead projects while remaining hands-on and work end-to-end... this one’s for you. What ...

SENIOR SOFTWARE ENGINEER (NODE)/LONDON/£120,000 BASE SALARY Want to be 100% hands-on , own end-to-end quality and sit really closely to the product? You can do this WHILST working with AI tools. This business, that operate in the FinTech space, have … recently secured millions in Series B funding. I’m looking for a Senior Software Engineer to join their scaling team. If you can own processes, lead projects while remaining hands-on and work end-to-end... this one’s for you. What ...

Senior Software Engineer Are you a developer who loves building products, not just features? Do you thrive at the intersection of robust backend logic, intuitive frontend interfaces, and conversational AI? Are you excited to join a fast-growing, seed-funded startup transforming construction procurement? If you want … small, ambitious team of 10 that moves fast, trusts each other, and enjoys building genuinely impactful technology. Your Role As a Senior Software Engineer you won’t just be ticket-crunching. You will own the end-to-end experience of our platform. You’ll be responsible ...

Senior Software Engineer up to £75k | SaaS - Tech4Good| Gateshead/remote 🚀 About the business G.Digital have exclusively partnered with a Tech4Good scale-up who are looking for their next SLT hire. Set up in the last 7 years, this business is already on track to become … innovation and efficiency. Help coach and mentor more junior Engineers What's in it for you: 📍 £75k salary 📍 Remote first working 📍 Flexible working hours 🚀Senior Software Engineer up to £75k | SaaS - Tech4Good| Gateshead/remote ...

Role: Senior Software Engineer Location: Royston (Onsite) Salary: Up to £65,000 DOE A growing, innovation-led biotechnology company based in the Cambridge area is seeking a Senior Software Engineer to support the development of advanced instrumentation platforms used in cutting-edge scientific research. … This is a fantastic opportunity to work on complex systems that combine software, hardware, and data analysis to deliver real-world impact in life sciences. You'll play a key role in designing and developing high-quality application and control software across Windows and Linux environments, working closely ...

Senior Software Engineer - Malvern YT Tech is representing a market-leading Security Technology firm in Malvern currently scaling its R&D team. We are looking for a Senior Software Engineer to take technical ownership of a business-critical product codebase within a multidisciplinary environment. … This is a high-impact role for an engineer who enjoys working at the intersection of software, physics, and hardware. They are looking for strong experience in Python & C++. The Role Technical Ownership: Lead software architecture across Windows and Linux platforms. Complex Systems: Manage codebases integrating hardware ...

innovative medical technology company based in Long Eaton is looking for a Senior Embedded Software Engineer to join their growing R&D team. The business designs and manufactures smart surgical appliances combining precision engineering, robotics and advanced embedded software. Were looking for an experienced Senior Embedded … Software Engineer with previous exposure to regulated medical device development and video experience. Their project work will involve a lot of exposure to robotic interfaces. This role is predominantly onsite, with one day per week available for home working. The company also offers flexible working hours, as long ...

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 … 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 ...

Senior Software Engineer - SC Cleared Location: Manchester (Hybrid) 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 … 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 ...

Senior Software Engineer - Malvern YT Tech is representing a market-leading Security Technology firm in Malvern currently scaling its R&D team. We are looking for a Senior Software Engineer to take technical ownership of a business-critical product codebase within a multidisciplinary environment. … This is a high-impact role for an engineer who enjoys working at the intersection of software, physics, click apply for full job details ...

Senior Software Engineer £56000 - £70000 p/a + BUPA, bonus and full benefits Gloucester, Gloucestershire 4 Day Work Week Option Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. … world’s leading global security and aerospace company. The role: We have 5 exciting opportunities arising at our site in Gloucester for Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. These are Level 3 roles so you will need to demonstrate thorough proficiency in the skills ...

Senior Software Engineer £56000 - £70000 p/a + BUPA, bonus and full benefits Gloucester, Gloucestershire 4 Day Work Week Option Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. … world’s leading global security and aerospace company. The role: We have 5 exciting opportunities arising at our site in Gloucester for Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. These are Level 3 roles so you will need to demonstrate thorough proficiency in the skills ...