76 to 100 of 288 Permanent Senior Software Engineer Jobs

Senior Software Engineer Salary: £75k-£110k (plus attractive bonus on top) Location: London or Leeds (relaxed about hybrid or remote working, if preferred) My client is a specialist provider of sports pricing and trading technology, developing advanced simulation-based models and risk tools that underpin the performance … major sports brands. Role Overview Were looking for a Senior Software Engineer to join the Modelling & Data Engineering group at a rapidly expanding sports-technology business. This is a hands-on role in a fast-moving environment where youll help shape new modelling tools, improve existing systems ...

Senior Software Engineer (Tech Agnostic- Python, Go, Rust) Hybrid- London £100,000-£135,000 + Generous Equity + Strong Package Series A | High-Growth Tech We're partnered with one of Europe's fastest-scaling technology startups, fresh off a major Series A raise and building … More than half in Engineering, Product and Data Culture built around experimentation, high standards and rapid feedback loops You'll work closely with senior engineering leadership who have previously scaled large distributed systems and ML-driven platforms at global technology companies. Tech Environment Backend systems currently built in Python ...

Senior Software Engineer (JavaScript) Salary: Up to £85,000 Hybrid - 2 days a week in office (London/Brighton/Cardiff) Why join us? We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse … puts people first. Backed by a global media and content network, we build tools that reach real audiences at scale. The role As a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content ...

Senior Software Engineer | Remote | Django | SaaS 📍 UK Remote (Quarterly team meet-ups) 💰 £60,000–£70,000 (DOE) Tech Stack: Python - Django Authentication methods - OAuth2, JWT, API keys AWS SR2 are partnering with a growing SaaS platform used by organisations across global markets. They are looking … Senior Software Engineer with strong API integration experience to help expand and scale their platform. This is a backend-focused role where you will design and build integrations that connect the platform with a wide range of external systems, while helping evolve both their public ...

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 … This position will need weekly onsite working, around 3/4 days onsite 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 ...

Manufacturing Futures seek to appoint a Principal Embedded Software Engineer working predominantly in embedded C. It's a really exciting time to join a market leader in a rapidly growing industry with an ever growing customer base. You will take the lead on your own projects as part … inter-disciplinary engineering team, regularly liaising with mechanical and electronics engineers. This Principal Embedded Software Engineer role is a hands-on design position developing embedded software but it would be beneficial if you had previous experience supervising a team. Career progression can be rapid and the potential ...

Senior Software Engineer (C# .NET, WPF, Desktop Applications) Location: Derbyshire Salary: £55,000 - £70,000 + Benefits Overview Senior Software Engineer to design, develop and maintain a high-performance desktop application platform used for real-time monitoring, control and data visualisation in industrial environments. … This role is ideal for an experienced engineer with strong expertise in C#/.NET and WPF, particularly in building responsive, real-time desktop applications. You will take ownership of the full software development lifecycle, from architecture and design through to release and ongoing optimisation. Working closely with ...

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 ...

Title: Software Engineer – DSP Location: Salisbury, Hampshire We are excited to be recruiting for a highly skilled Software Engineer – DSP to join an innovative Research & Development team based in Salisbury. This is a fantastic opportunity for an experienced embedded software professional to take … work closely with multidisciplinary engineering teams to design, prototype and deliver high-performance signal processing solutions in a collaborative commercial environment. Responsibilities for the Software Engineer – DSP job: Developing real-time embedded software in C/C++ for DSP-based applications Designing and implementing signal processing chains ...

exciting opportunity has arisen for a Senior Embedded Software Engineer based in East Sussex to join this global leader in cutting edge electronic instrumentation. Joining their multidisciplined R&D team at their global centre of excellence, as a Senior Embedded Software Engineer you will … develop and support software for significant projects aligned to business critical needs. You will be involved in all stages of the software development lifecycle from requirements capturing to release validation and approval. Experience required for Senior Embedded Software Engineer based in East Sussex: Previous experience ...

Senior Software Engineer - £50k Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out. Location: Leeds City Centre (Hybrid) We are working with a technology organisation delivering complex, large-scale digital solutions across sectors including … energy, automotive, agriculture and regulatory environments. They are looking for a Senior Software Engineer to join their team in Leeds, helping design and xkybehq deliver modern software applications using cloud-nat Please click on the apply button to read the full job description ...

Senior Software Engineer (Backend) Location: London (twice a week) Company Type: Early-stage B2B SaaS/Intelligence Platform About the Company Our client is building a next-generation intelligence platform that helps organisations gain real-time visibility into external risks and signals across their ecosystem. The platform … expanding its engineering team as it prepares for its next growth phase and Series A. The Role We’re looking for a Senior Software Engineer with strong TypeScript, Python and Node.js experience to help design and build core backend services powering the platform. This role ...

Senior Embedded Software Engineer | Cambridge Are you a highly experienced Embedded Software Engineer with a passion for problem-solving across the full product lifecycle? My client developed highly precise scientific instruments & sensors. Responsibilities as an Embedded Linux Software Engineer : Design and develop bare … metal, RTOS, and DSP algorithm embedded software using C/C++ on ARM Cortex MCUs Create production support software, like test jig interfaces and calibration tools Troubleshoot hardware issues, perform fault finding, and resolve system-level problems Requirements: 5+ of Embedded Firmware/Software engineering experience Strong ...

Senior Software Engineer – Backend (TypeScript/Node.js) 📍 Remote (UK) 💰 Circa £150,000 This opportunity is with a growing B2B technology company building backend-heavy products used by enterprise customers in a regulated space. The platform focuses on reliability, data correctness, and operational robustness. The business is continuing … investing in strengthening the foundations of its backend systems as both the product and customer base grow. The Role: They’re looking for a Senior Backend Software Engineer to join one of their product engineering teams, with a focus on building and running services in TypeScript/ ...

Title : Senior Software Engineer (Compilers) Company : HPC & AI Location : London (primarily remote) Compensation : Up to £190,000 Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position with an emphasis on AI Compiler development. You will be a significant hire and will own much ...

Title : Senior Software Engineer (GPU Drivers) Company : AI Acceleration Location : London (very flexible WFH) Pay : Up to £160,000 + bonus and benefits Company : An advanced HPC R&D firm, looking to expand their GPU Driver team. Most of the team are ex-Big-Tech, ex-FAANG … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built ...

Raytheon UK have a full time, perm opportunity for a Senior Software Engineer to join our specialist teams in Manchester, Gloucester or London working fully onsite. As Senior Software Engineer, you'll be part of our experienced Software Engineering function, working … cross-functional team, delivering and deploying critical software across a variety of business areas. We have opportunities for Software Engineers at every level within a team, so your Recruiter will discuss the great opportunities for development or challenges we offer based off your professional profile. ...

Senior Front Office Software Engineer – Real‐Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior software engineer with experience in trading environments. You need to be a well-rounded … engineer in Python, C#/.NET or other object-oriented languages. With an ability to deliver real-time cloud based solutions at the speed a trading desk needs. Want to know more? Click to apply or read the full JD below. Full Job Description: You’ll be joining ...

growing technology consultancy working in the defence and national security sector is looking for a Senior Software Engineer to join its engineering team in Newcastle. This role is ideal for an engineer who enjoys solving complex technical challenges, working with modern technologies, and building reliable software … part of a highly capable engineering team delivering solutions that support data-heavy platforms, advanced analytics, and mission-critical systems. The Role As a Senior Software Engineer, you will play an important role in designing, building, and delivering high-quality software solutions across a variety ...

Role – Senior Software Engineer (Rust, Go, Typescript) Location – Remote, occasional visits to Southampton office Salary - £ 70,000 to £80,000 Start – ASAP The Opportunity This is a chance to join an innovative technology business transforming how complex, safety-critical industries operate. The company is building cutting-edge … growing enterprise demand, this is an opportunity to take real ownership, work across the full technology stack, and contribute to a product that blends software, hardware, and machine learning in a genuinely meaningful way. The Role As a Senior Software Engineer, you will play ...

progression, this role exists to replace a senior engineer within a well-established software company operating in the highly regulated energy sector. Senior Python Software Engineer Circa £56,000 + up to 15% bonus | Hybrid (2 days per week in Oxford) The software … engineering is done here: considered design, well-tested code, and a focus on doing things properly rather than quickly. If you're a Python engineer ready to take on more responsibility, mentor others, and work in an environment where engineering discipline matters, this role is designed for you. What ...

Highly skilled Software Engineer needed on the South Coast near Portsmouth for a diverse R&D led role. I am seeking a skilled Software Engineer with extensive experience in C++ and Python, experience working with Embedded Linux including systems level debug and performance tuning, knowledge … real time systems and an understanding of autonomous systems. The Senior Software Engineer will be responsible for designing, implementing, and optimising autonomy algorithms and systems and should be comfortable handling complex workloads across R&D, prototyping, and mission-critical production deployments. It would be desirable to have ...

Senior Software Engineer - Cyber Location : Onsite, Hampshire. Employment Type: Permanent Salary : Competitive salary commensurate with experience, plus benefits. Security: Candidates must be eligible to obtain DV clearance due to the nature of the work. Our client is seeking a highly skilled Senior/Principal Software Engineer to join a leading organisation specialising in advanced cryptographic and key management solutions that ensure secure information exchange worldwide. This role offers the opportunity to develop innovative security technologies in a dynamic, high-security environment. What You Will Be Doing Designing, implementing, and testing secure software ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Commodities Brokerage and they are looking for a Senior C#, .NET Software Engineer ...