1 to 25 of 435 Senior Software Engineer Jobs

Senior Product Engineer | Senior Software Engineer | Full Stack Engineer | Senior Software Engineer 🌍 Climate Tech Startup Scaling Real-World Carbon Removal 💰 Up to £95,000 + Equity 💻 C#, React, Python, Azure 📍 Hybrid/Flexible | London Waterloo We’re partnered with … most interesting climate tech startups in the UK right now, a company building software and infrastructure to help scale large-scale carbon removal and sustainability initiatives globally. The business is entering a major growth phase and is building out a high-calibre engineering team to support that growth. They ...

Senior Software Engineer A fantastic opportunity for a Senior Software Engineer to join a world-class technology company developing advanced AI-driven software solutions. Working within an exceptional engineering environment, you will play a key role in designing, building and enhancing highly sophisticated … software platforms that solve complex real-world problems. This organisation is known for attracting some of the brightest technical minds in the industry and places a strong emphasis on both academic excellence and engineering capability. Location: Cambridge or London (minimum 2 days per week in the office) Salary ...

follow through with purpose. These capabilities guide how all employees contribute to our shared success across Mission Technologies. Summary HII Mission Technologies is seeking Software Engineers across multiple experience levels (Entry through Senior) to support the design, development, and deployment of the Advanced Training Domain (ATD) System … working within a secure environment alongside developers, systems engineers, and Navy operators. As part of our Integrated Training Systems group, you will help deliver software that directly improves warfighter performance. Why This Role Matters Modernizes advanced Navy training systems used fleetwide Builds real world combat system simulation capabilities Supports ...

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 … Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. ...

Senior Software Engineer – C#/Python Oxfordshire | Hybrid | £65,000 – £70,000 + Bonus + Share Options Are you a hands-on software engineer who enjoys solving complex technical problems? Do you want to shape software that connects with advanced hardware systems? Would … like to mentor others while staying close to the code? Our client is looking for a Senior Software Engineer to help design, build and improve software for high-precision technical platforms. This is a great opportunity to take ownership of meaningful software, influence architecture ...

Senior Software Engineer, C++ and Python, 9 Month FTC, Manchester, COR7567 Are you a Senior Software Engineer with strong C++ and Python experience looking to work on cutting-edge AI and machine learning technology? The Role As a Senior Software Engineer, you'll play a key role in designing and developing software that powers advanced biometric identification systems. Working across the full software lifecycle, you'll help build and optimise machine learning inference pipelines used in real-time systems. You'll develop production-grade applications in modern C++ ...

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants … established Hedge Fund client as a partner, they're creating a finance technology hub bringing a wealth of talent and experience. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest ...

where talented, hard-working individuals have the opportunity to make a real impact across the marine industry. We're seeking an experienced and versatile Senior Software Engineer - Sensors join our Edge Team. This is a rare opportunity to help define and deliver our cutting-edge Maritime Surveillance … Fisheries Monitoring solutions, working at the intersection of hardware, software, and advanced sensor technologies. About the role of Senior Software Engineer - Sensors - (not exhaustive): In the Edge Team, you'll work on the "sensors at the fringe" fixed and mobile surveillance equipment such as radars, cameras ...

Senior Software Engineer London (Hybrid) £90,000 - £100,000 Here at Data Idols, we're working with an innovative technology business that is scaling a cutting-edge AI-powered platform used by enterprise clients globally. As the platform continues to grow, they're looking for a Senior Software Engineer to play a key role in shaping its future architecture, scalability and technical direction. This is an opportunity to join a high-performing engineering team where you'll have genuine influence over architecture, technology decisions, product direction and engineering standards. The Opportunity As a Senior ...

Senior Software Engineer (Full-Stack) Permanent | Full-Time | Belfast (Hybrid Working) An established international insurance technology organisation is seeking a Senior Software Engineer to join its growing Belfast-based technology team. With a strong presence in the US market and continued investment in modern … development, analytics, and customer-facing applications. This is an opportunity to work within a collaborative, technology-driven environment focused on innovation, scalability, and modern software engineering practices. The Role As a Senior Software Engineer, you will play a key role in designing, developing, and maintaining enterprise ...

Senior Software Engineer £75,000 – £85,000 + Bonus & Benefits Hybrid | Central London (1 day per week) We're working with a scaling, mission-driven consumer app business to find a Senior Software Engineer to join a small, high-ownership engineering team. They … product is a consumer app used by hundreds of thousands of customers globally, and the engineering team deploys multiple times a day. As a Senior Software Engineer, you'll work comfortably across both backend and frontend, with a natural lean towards backend design and architecture. The team ...

Senior Software Engineer will work within the Systems and Software team in the Programmes area of STS Defence, developing and maintaining software throughout the Software Development Lifecycle from requirements elicitation, through to in service delivery. The post will provide technical leadership on software projects for key stakeholders and on software development activities undertaken by the company. This includes responsibility for managing code and quality reviews to ensure relevant quality standards are met across the software team. The Senior Software Engineer will also assist in support of wider ...

Senior Software Engineer - Geospatial Data (Contract) Location: Farnborough (3 days per week onsite) Contract Length: Initial 3-month contract IR35 Status: Outside IR35 Security Clearance: All candidates must be eligible for security clearance prior to appointment. We are seeking an experienced Senior Software Engineer … performing engineering team delivering advanced data-driven and navigation-focused solutions within a complex operational environment. This role is suited to a hands-on software engineer with experience designing and developing scalable applications and services that work with geospatial datasets, spatial databases, and mapping technologies. Experience within ...

Senior Software Engineer looking for an interesting job opportunity? Our client, TKMS ATLAS UK, are seeking a Senior Software Engineer with skills in Java to work on the development of marine-based autonomous systems. This job will be based out of TKMS ATLAS … will need weekly on-site working, around 3/4 days on-site per week. Required Knowledge, skills and qualities • Proven ability to support software delivery • Educated to Degree or equivalent level in a software engineering or related discipline • Understanding of Autonomous systems, and their architectures • Understanding ...

Senior Software Engineer/Developer (Python) Cambridge to £80k Do you have strong backend Python software development experience? You could be joining the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working alongside … team of friendly and supportive people and enjoying a host of perks and benefits. As a Senior Software Engineer within the R&D team you'll work on a new Greenfield product to combat the threat of AI based security attacks. You'll work on a range ...

Java Senior Software Engineer : £400 - £650 Inside IR35 : Hybrid London (2 days per week) : Financial Services A financial services business is seeking a Java Senior Software Engineer to join a technology team based in London on a hybrid contract basis. Key requirements: Strong core … standard practice Familiarity with CI/CD pipelines and modern engineering tooling Experience working in Agile delivery teams Key details for a Senior Software Engineer: £400 - £650 per day Inside IR35 2 days onsite per week (London) Financial services background preferred Immediate starters preferred Apply ...

hands-on software engineer who enjoys solving complex technical problems? Do you want to shape software that connects with advanced hardware systems? Would you like to mentor others while staying close to the code? Our client is looking for a Senior Software Engineer to help design, build and improve software for high-precision technical platforms. This is a great opportunity to take ownership of meaningful software, influence architecture and support a small, talented engineering team. Why This Role is Great You’ll get to: Build reliable, secure and maintainable software ...

Senior Software Engineer - 100% Remote - C# .NET/Angular/AWS/Agentic AI - £60,000 - £70,000 The Role An established, global Software house is seeking an experienced Senior Software Engineer to help build and enhance platforms that make a real impact … sector Working within a collaborative agile environment, you will partner closely with product owners, engineers, and QA to design and deliver scalable, high-quality software solutions. This is a hands-on full-stack role you'll contribute across the entire development lifecycle, from ideation and estimation through to delivery ...

Senior Software Engineer - Hybrid - Nottingham - C# .NET/Angular/Azure - £55,000 - £60,000 The Role An innovative, industry leader, based in Nottingham are looking for an experienced Senior Software Engineer to work on their entire product suite to help support their growth … will be controlling the full SDLC, from conception to completion on greenfield projects, as well as maintaining and updating their existing solutions. As a Software Engineer here, you will have access to the latest tools and technologies to help shape the technical direction of the company. ...

Senior Software Engineer Milton Keynes (One day a week on site) Up to £80,000 per annum plus bonus VIQU are working with an international organisation in Milton Keynes who are hiring multiple senior software engineers to help build one of their product lines. This … role will focus on shaping architectural decisions, hands on coding and mentoring other software engineers. Key technology stack spans C#, React, Node.JS and AWS. Job duties: Ÿ Build and develop web interfaces, server side components and integrations, whilst contributing to architecture reviews. Ÿ Mentor junior engineers, provide code reviews and promote ...

Senior C# Software Engineer - WPF Are you an experienced Senior C# Software Engineer actively looking for a new role? If so, my client has a superb opportunity to strengthen their R&D team. This is a hands-on role where you will play … part in the design, implementation, and debugging of software used to control special purpose machines, while also providing technical leadership and mentoring to a small team of engineers. In this Senior C# Software Engineer - WPF role based in Abingdon, Oxfordshire you will be responsible ...

Senior Software Engineer West Midlands (Hybrid) £45,000 - £65,000 + Bonus + Private Medical + Excellent Benefits Build Technology That Makes a Difference Are you an experienced Software Engineer looking to work on technology with real-world impact? We're working with an innovative … engineering and technology business whose products are used internationally across a range of safety, security and critical infrastructure environments. Combining intelligent software, advanced sensing technologies and machine learning, their solutions help organisations improve safety, efficiency and decision-making. Due to continued growth and investment in new product development, they ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Senior Software Engineer (Node, React, TypeScript, AWS) Salary - £80,000 - 100,000 Hybrid, Cambridge UK (2-3 days/week) Above & Beyond is proud to be partnering with a supply-chain decarbonisation start-up, born out of the University of Cambridge to hire a Senior Software Engineer into their engineering team. Climate change is the defining business challenge of our time, and our client is here to solve it. Most decarbonisation solutions count emissions but do nothing to reduce them, but this company helps organisations that have complex supply chains and production processes ...

Senior Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently or in small teams. The Role: As a Software Engineer, you will play a major role in developing code in the Software Modelling and Simulation, autonomy and geospatial fields, along with ...