21 of 21 Principal Developer Jobs in the UK

PRINCIPAL SOFTWARE DEVELOPER - SC CLEAREDBRAND NEW PERMANENT OPPORTUNITY AVAILABLE WITHIN A LEADING COMPANY FOR A PRINCIPAL SOFTWARE DEVELOPER WITH SC CLEARANCE * Permanent opportunity for a Principal Software Developer with enhanced SC Clearance, eligible for DV Clearance* Industry leading company supporting UK national security projects.* Salary up to £95,000 DOE* Manchester based in an … easily accessible location.* To apply please call or email WHO ARE WE We are recruiting Lead/Principal Software Developers with a wide variety of experience to work with an industry-leading cyber/National Security/defence client with office locations in and around Manchester. The expertise of our engineers drives us forward, and we're looking for … us. Due to the nature of these clients, you must hold SC Clearance and be eligible to obtain DV Clearance to work on National Security projects. WE NEED THE PRINCIPAL SOFTWARE DEVELOPER TO HAVE....* SC Cleared and eligible and willing to undergo DV clearance.* Proficient in a range of modern programming languages, including Java, Python or Go* Hands More ❯

Principal Backend Developer (C#/.NET/Playwright) The Opportunity This is a career-defining role for a Principal Backend Developer who wants to be at the forefront of a growing SaaS organisation. You'll be joining a company that's scaling rapidly, building innovative products that make a real difference to its customers. This role More ❯

Principal Appian Developer Multiple Locations: Stoke Gifford, Bristol or Leicester, Leicestershire Hybrid - 2-3 days in office Permanent Up to £80K per annum With a rich history of innovation and a global footprint, looking for a Principal Appian Developer , this influential organization continues to shape industries and maintaining a steadfast commitment to excellence in engineering and More ❯

Principal Appian Developer Multiple Locations: Stoke Gifford, Bristol or Leicester, Leicestershire Hybrid - 2-3 days in office Permanent Up to £80K per annum With a rich history of innovation and a global footprint, looking for a Principal Appian Developer , this influential organization continues to shape industries and maintaining a steadfast commitment to excellence in engineering and More ❯

Principal Appian Developer Multiple Locations: Stoke Gifford, Bristol or Leicester, Leicestershire Hybrid - 2-3 days in office Permanent Up to £80K per annum With a rich history of innovation and a global footprint, looking for a Principal Appian Developer , this influential organization continues to shape industries and maintaining a steadfast commitment to excellence in engineering and More ❯

Principal Appian Developer Multiple Locations: Stoke Gifford, Bristol or Leicester, Leicestershire Hybrid - 2-3 days in office Permanent Up to £80K per annum With a rich history of innovation and a global footprint, looking for a Principal Appian Developer , this influential organization continues to shape industries and maintaining a steadfast commitment to excellence in engineering and More ❯

Principal Appian Developer Multiple Locations: Stoke Gifford, Bristol or Leicester, Leicestershire Hybrid - 2-3 days in office Permanent Up to £80K per annum With a rich history of innovation and a global footprint, looking for a Principal Appian Developer , this influential organization continues to shape industries and maintaining a steadfast commitment to excellence in engineering and More ❯

Principal Python Developer - London (1-2 days onsite, hybrid) - Inside IR35 rate negotiable We are seeking multiple Principal Python Developers to join a major programme building a new data platform in AWS. These roles require strong expertise in Python development within financial services in financial market data. You will play a senior, hands-on role in designing … product teams to align technical delivery with business needs Apply best practices in testing, CI/CD, and Agile delivery methodologies Skills & Experience Required Proven experience as a Python Developer with a focus on data platform development Strong expertise in financial markets data (transaction feeds, private banking, asset management, trading platforms, FX) Hands-on experience with Apache Spark for … AWS cloud services, especially for data engineering and platform builds Experience delivering in complex, data-intensive environments Excellent problem-solving skills, with ability to operate as a senior/principal engineer in Agile teams More ❯

# Principal Developer (Healthcare/Public Sector)London, UK Job responsibilities You will champion and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. You will exemplify Thoughtworks' technical excellence, thought leadership and capabilities to our clients and inside Thoughtworks. You will act as a trusted technical advisor to your client More ❯

Great opportunity for a Principal .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software around the world. The technology department is made up of product teams responsible … truly agile way, delivering small increments of value to their customers very frequently. This role sits across the teams responsible for developing their flagship software platform and as a Principal .NET Developer, you’ll be given the opportunity to lead teams that build, test and ship super-fast in an environment where people value engineering best practice, pairing More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Bristol. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Leicester. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Leicester. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Bristol. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Leicester. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Bristol. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Bristol. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

I'm looking for a Principal Appian Developer to join a leading Defence Engineering business based in Bristol. The Role: As a Principal Appian Developer you'll be a senior technical leader in the software development team, instrumental in shaping solutions that matter. Guiding a talented team of developers and ensuring the successful delivery of high More ❯

Great opportunity for a Principal .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software around the world. The technology department is made up of product teams responsible … truly agile way, delivering small increments of value to their customers very frequently. This role sits across the teams responsible for developing their flagship software platform and as a Principal .NET Developer, you'll be given the opportunity to lead teams that build, test and ship super-fast in an environment where people value engineering best practice, pairing More ❯

Principal Back-End Developer - Manchester City Centre Join a developer-led culture where innovation meets impact. Our client is looking for a visionary Principal Back-End Developer to help shape the future of their SaaS platform. You'll set the technical direction, drive cutting-edge development, and mentor a talented team-all while delivering high … Git, and SOLID principles. Strategic thinking, strong communication, and a love for collaboration. Bonus: Experience with Azure, DevOps, Entity Framework, and observability practices. Why You'll Love It Here: Developer-led culture with hack days, and open access to leadership. Transparent progression and tailored development plans. Great perks: profit share, training budget, birthday off, health schemes, and more. Ready More ❯

Principal Back-End Developer - Manchester City Centre Join a developer-led culture where innovation meets impact. Our client is looking for a visionary Principal Back-End Developer to help shape the future of their SaaS platform. You'll set the technical direction, drive cutting-edge development, and mentor a talented team-all while delivering high … Git, and SOLID principles. Strategic thinking, strong communication, and a love for collaboration. Bonus: Experience with Azure, DevOps, Entity Framework, and observability practices. Why You'll Love It Here: Developer-led culture with hack days, and open access to leadership. Transparent progression and tailored development plans. Great perks: profit share, training budget, birthday off, health schemes, and more. Ready More ❯