26 to 50 of 197 Permanent Principal Engineer Jobs

Principal Software Engineer About the Company: A publicly-traded fintech (NYSE-listed) operating one of the world's most-visited platforms for finance news and data, serving millions of users globally. The engineering team is responsible for infrastructure that handles high-volume real-time market data and powers … decisions that directly impact system performance and user experience. Requirements: 8+ years backend development experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands ...

Principal Sales Engineer Location: Remote (UK-based) – with travel to customer sites Salary: circa £140k +20% bonus + car allowance + extensive benefits package (DV cleared) Clearance Requirement: SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world … unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical ...

Title: Principal Software Engineer - Python Department: Procode IT Location: Hybrid commutable distance of our Head Office in Chandlers Ford. Salary: Circa £65k+ Up to 15 %Bonus Sponsorship: Unfortunately, we are unable to offer sponsorship for this role Ifyou're a Principal Software Engineer, who enjoys architecting … havethe drive to want to deliver great solutions for customers? If your answer is Yes, then we have an exciting opportunity as a Principal Software Engineer, where w e aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary ...

Principal Digital IC Design Engineer Location: Fareham, Hampshire (Hybrid Working Available) Salary: £87,000 + bonus Contract: Permanent Visa Sponsorship is available We're recruiting for a Principal Digital IC Design Engineer on behalf of a high-growth semiconductor organisation operating at the forefront of advanced … global engineering teams. The Role This position focuses on technical leadership across digital IC development, from architecture definition through to silicon validation. As a Principal Engineer, you'll provide deep technical expertise, guide design decisions, and act as a key contributor to complex projects, while mentoring engineers ...

experienced Principal Firmware Engineer ready to take ownership of firmware strategy and delivery for cutting-edge laser and photonics systems? This is a senior, high-impact role where you'll lead firmware development for advanced embedded platforms supporting industries such as medical devices, life sciences, semiconductors, space … firmware standards, drive innovation, and mentor teams while delivering robust, high-quality embedded solutions that meet customer and business objectives. Key responsibilities of the Principal Firmware Engineer job based in Southampton: Lead the research, development, testing, and maintenance of firmware for new and existing laser systems. Drive ...

Principal Software Engineer Locations: Lisburn, County Antrim Salary: Up to £95,000 About the Role Join a leading technology company delivering award-winning solutions that help retailers and building owners optimise energy use, automate operations, and reduce environmental impact. Their platform leverages IoT, telemetry, and AI to provide … predictive insights across multiple sites worldwide. As a Principal Software Engineer, you will lead the design and development of high-quality, scalable software solutions that directly impact operational efficiency and system reliability for major clients. What You’ll Be Doing Lead the design, development, and deployment of complex ...

Lead Platform Engineer • Lead Platform Engineer – Birmingham • Salary up to £105,000 + excellent benefits • SC cleared or SC eligible candidates required • Work on large scale cloud platforms supporting critical UK public sector services ABOUT THE CLIENT Our client is a global technology consultancy delivering secure digital transformation … large scale national digital transformation programmes • Strong engineering culture with knowledge sharing and collaboration • Flexible benefits package and wellbeing support THE LEAD PLATFORM ENGINEER ROLE As a Lead Platform Engineer, you will work within agile engineering teams designing, building and owning secure, scalable cloud platforms used across multiple ...

Principal Data Engineer Salary: £110,000 + Benefits Own the rebuild of a modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking … Principal Data Engineer to take a leading role in that journey. This isnt a role where you inherit a polished environment. Its an opportunity to shape, modernise, and influence from refactoring legacy pipelines to building best-in-class data products using tools like Databricks, Azure, and GCP. Youll ...

Principal Systems Engineer When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build … keep the nation's critical infrastructure connected and protected 24/7. Reporting to the Service Manager, the Principal Systems Engineer will play a pivotal role in supporting and maintaining highly complex, mission-critical systems, taking ownership of technical design challenges and leading root cause analysis for complex ...

Principal Audio Engineer | Cambridge A world-leading firmware scaleup is on the hunt for a Principal Audio Engineer to spearhead development of their end-to-end audio/DSP pipelines. This is a unique opportunity for someone looking to take real ownership and enjoys working with ...

Role: Principal Engineer Location: Hybrid ( Tunbridge Wells, Leeds, Middlesbrough, Bristol and Bournemouth) Salary: £100,000+ We have an exciting opportunity for two Principal Engineers to join a large UK-based health and insurance organisation. This is a fantastic chance to work in a product-led operating model ...

Principal AI Engineer London, Hybrid (2 to 3 days per week on site)Salary between £115,000 - £140,000 depending on level This is an opportunity to take on a senior technical leadership position within a growing consultancy delivering complex, organisation wide AI solutions for major enterprise clients. … forums and dedicated annual budgets. Opportunities to lead major programmes and shape high impact AI delivery. How to Apply To express interest in this Principal AI Engineer role, please apply with your CV. ...

Principal Data Engineer £80,000 - £90,000 Remote (monthly meets in London) This is a rare chance to join an early-stage data consultancy where you will shape technical delivery, build from the ground up, and work directly with clients on high impact projects. If you want true … they partner with organisations to modernise manual, fragmented data processes. Their work spans industries, including asset focused, creative sectors. THE ROLE As Lead Data Engineer, you will take ownership of technical delivery while working closely with clients from the very first conversation. Specifically, you can expect to be involved ...

Principal Data Engineer £80,000 - £90,000 Remote (monthly meets in London) This is a rare chance to join an early-stage data consultancy where you will shape technical delivery, build from the ground up, and work directly with clients on high impact projects. If you want true … they partner with organisations to modernise manual, fragmented data processes. Their work spans industries, including asset focused, creative sectors. THE ROLE As Lead Data Engineer, you will take ownership of technical delivery while working closely with clients from the very first conversation. Specifically, you can expect to be involved ...

Principal Data Engineer £80,000 - £90,000 Remote (monthly meets in London) This is a rare chance to join an early-stage data consultancy where you will shape technical delivery, build from the ground up, and work directly with clients on high impact projects. If you want true … they partner with organisations to modernise manual, fragmented data processes. Their work spans industries, including asset focused, creative sectors. THE ROLE As Lead Data Engineer, you will take ownership of technical delivery while working closely with clients from the very first conversation. Specifically, you can expect to be involved ...

Principal Critical Infrastructure Electrical Engineer - Manchester Principal Critical Infrastructure Electrical Engineer with experience of Generator installations, large UPS systems, substation design, mission-critical and infrastructure-oriented projects is required by a global consultancy. This role be based anywhere in the UK and they have multiple roles … infrastructure/external works experience beyond standard building services Generator installations, large UPS systems, substation design Mission critical and infrastructure-oriented projects Seniority: Senior engineer level upwards Security clearance: SC level preferred (increasingly required by clients) They deliver innovative engineering solutions across aviation, commercial, residential, education, healthcare, transport, defence ...

Principal Solution Engineer Location: London - remote Salary: DoE We are partnered with a rapidly expanding SaaS provider delivering a powerful, cloud-based revenue life cycle management platform. The technology enables global organisations to automate and optimise their quote-to-cash process, helping them manage complex billing and revenue … achieved significant industry recognition. The company has been included on numerous recognised lists of fastest-growing technology companies for consecutive years. The Role The Principal Solution Engineer plays a critical role in supporting the sales organisation by providing technical expertise throughout the customer buying journey. Working closely with ...

Principal Software Engineer (Backend) | Advanced Autonomy | London Principal Backend Engineer required for a rapidly growing London-based start-up at the forefront of advanced autonomy and AI to help shape the future of its platform. Backed by experienced founders and built by a world-class team … driven team If you're excited by deep technical challenges and meaningful impact, apply now or drop me a message directly to learn more! Principal Software Engineer (Backend) | Advanced Autonomy | London ...

Title:Principal Software Engineer - Python Department:Procode IT Location:Hybrid commutable distance of our Head Office in Chandlers Ford. Salary:Circa £65k+ Up to 15%Bonus Sponsorship:Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex … havethe drive to want to deliver great solutions for customers? If your answer is Yes, then we have an exciting opportunity as aPrincipal Software Engineer,wherewe aim to provide you with a uniquely inclusive and diverse workplace, whichshowcasesthe extraordinary in all of us, by enabling ...

Title:Principal Software Engineer - Python Department:Procode IT Location:Hybrid commutable distance of our Head Office in Chandlers Ford. Salary:Circa £65k+ Up to 15%Bonus Sponsorship:Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex … havethe drive to want to deliver great solutions for customers? If your answer is Yes, then we have an exciting opportunity as aPrincipal Software Engineer,wherewe aim to provide you with a uniquely inclusive and diverse workplace, whichshowcasesthe extraordinary in all of us, by enabling ...

Title: Principal Systems Engineer Location: Portsmouth Naval Base On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and youll be part of something bigger. As a valued member of our global colleague network, youll bring your … systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build ...

Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network … systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build ...

Principal Software Engineer | Applied AI | Fully Remote Principal Software Engineer required for well backed and rapidly growing start-up to help build and scale systems at the cutting edge of applied AI. This is a high-impact role focused on solving complex, real-world engineering problems … play a key role in designing and delivering production-grade systems where intelligent agents operate at scale. You are an experienced, hands-on backend engineer with strong expertise in Python and/or Go , and a proven track record of putting AI agents into production in recent years. About ...

Principal Software Engineer | Applied AI | Fully Remote Principal Software Engineer required for well backed and rapidly growing start-up to help build and scale systems at the cutting edge of applied AI. This is a high-impact role focused on solving complex, real-world engineering problems … play a key role in designing and delivering production-grade systems where intelligent agents operate at scale. You are an experienced, hands-on backend engineer with strong expertise in Python and/or Go , and a proven track record of putting AI agents into production in recent years. About ...

Principal Software Engineer | Applied AI | Fully Remote Principal Software Engineer required for well backed and rapidly growing start-up to help build and scale systems at the cutting edge of applied AI. This is a high-impact role focused on solving complex, real-world engineering problems … play a key role in designing and delivering production-grade systems where intelligent agents operate at scale. You are an experienced, hands-on backend engineer with strong expertise in Python and/or Go , and a proven track record of putting AI agents into production in recent years. About ...