1 to 25 of 60 Principal Engineer Jobs in London

Title: Principal Engineer- CDN transition Job location: London Duration: 6 months Description: The Contract Principal Engineer - CDN Migration is the lead technical authority for the CDN workstream within an active programme to migrate from an existing CDN platform to a target CDN. The role is responsible ...

Title:Principal Engineer- CDN transition Job location: London Duration:6 Months Description: The Contract Principal Engineer - CDN Migration is the lead technical authority for the CDN workstream within an active programme to migrate from an existing CDN platform to a target CDN. The role is responsible ...

Principal Azure DevOps Engineer Permanent Location: UK - Remote Salary: £80,000 - £90,000 (+ benefits) Skills: Azure, DevOps, CI/CD, Terraform, PowerShell, SC Clearance We are looking to recruit an SC Cleared Principal Azure DevOps Engineer for a leading technology consultancy. You will be responsible … delivering high-quality, innovative solutions to clients across multiple sectors. The Principal Engineer drive the design, implementation, and optimization of cloud infrastructure and DevOps practices. This is a senior, hands-on role combining technical delivery, architecture, and thought leadership, ensuring secure, scalable, and resilient platforms that enable rapid ...

Principal Platform Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based) An opportunity to join a fast-growing, research-led cybersecurity scale-up trusted by global enterprise customers. Backed by strong funding and industry recognition, the business is scaling its platform globally and is looking … experienced Principal Platform Engineer to help lead that growth. As a Principal Platform Engineer, youll be a senior technical leader responsible for designing, scaling and optimising large-scale infrastructure. Youll work closely with engineering leadership to ensure systems are resilient, observable and built for global scale. ...

Principal Platform Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based) An opportunity to join a fast-growing, research-led cybersecurity scale-up trusted by global enterprise customers. Backed by strong funding and industry recognition, the business is scaling its platform globally and is looking … experienced Principal Platform Engineer to help lead that growth. As a Principal Platform Engineer, you’ll be a senior technical leader responsible for designing, scaling and optimising large-scale infrastructure. You’ll work closely with engineering leadership to ensure systems are resilient, observable and built ...

Principal Software Engineer Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital … successful? Degree in Computer Science or equivalent hands-on experience. 7+ years' experience in backend software development, including several years in a senior or principal-level engineering role. Expertise in Python (or a similar backend language), with proven experience designing distributed systems, APIs, and microservices at scale. Deep understanding ...

Principal Software Architect (FinTech SaaS) – UK Remote We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector. Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing for more efficient deployment of capital to the commercial sector. … data layers into traditional banking workflows, they are significantly improving how credit is optimised and distributed to businesses. We are looking for a heavyweight Principal Engineer to serve as the ultimate technical authority and strategic advisor across multiple product squads. Location: Remote-friendly (UK). The team values ...

Principal Software Architect (FinTech SaaS) – UK Remote We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector. Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing for more efficient deployment of capital to the commercial sector. … data layers into traditional banking workflows, they are significantly improving how credit is optimised and distributed to businesses. We are looking for a heavyweight Principal Engineer to serve as the ultimate technical authority and strategic advisor across multiple product squads. Location: Remote-friendly (UK). The team values ...

Principal Azure Engineer Location: London Start Date: 5th January Clearance Required: Active SC and NPPV3 We are seeking an experienced Principal Azure Engineer to join a high-profile central government project. This is a fantastic opportunity for a seasoned professional with strong technical expertise and proven ...

Principal Android Engineer London (Hybrid) Up to £125,000 + Benefits We’re partnering with a leading UK financial services organisation as they look to bring in a Principal Android Engineer who will help shape the next generation of their mobile customer experience. This ...

Principal Android Engineer London (Hybrid) Up to £125,000 + Benefits We’re partnering with a leading UK financial services organisation as they look to bring in a Principal Android Engineer who will help shape the next generation of their mobile customer experience. This ...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands ...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands ...

Principal Cloud Engineer - Azure - Inside IR35 - Insurance. Location: Hybrid- 3x per week in London Duration: 6 months Day Rate: £650-£750 per day Inside IR35 Start Date: January 2026 (CV review and interviews commence in January) We are seeking an experienced Principal Cloud Engineer to lead … solutions. Collaborate with business and technical teams to optimize services and enable growth. Act as a technical authority on Azure and cloud-native technologies. Engineer solutions using Infrastructure as Code (Terraform) and Scripting languages. Support and upskill internal teams, ensuring best practices are followed. Essential Skills Proven experience ...

Principal Platform Engineer High-Growth Cybersecurity Scale-Up Fully Remote (UK based) An opportunity to join a fast-growing, research-led cybersecurity scale-up trusted by global enterprise customers. Backed by strong funding and industry recognition, the business is scaling its platform globally and is looking … experienced Principal Platform Engineer to help lead that growth click apply for full job details ...

Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess … ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal ...

Opportunity - Principal Telecoms Engineer - Initial 12 Month Outside IR35 Contract Our Client has a requirement for a Principal Telecom Engineer , who will be required to work on a contract basis in Woking. Location : Central London, SW1V 1PX Contract Length: Initially 12 Months IR35 Status: Outside IR35 … detail and offer sound advice to both clients and candidates. We actively recruit at all levels and this is a superb opportunity for a Principal Telecom Engineer looking for new employment. As part of putting people first, we strive to be an equal opportunities employer ...

maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal Engineer with a passion for data, cloud technologies, and building robust, scalable solutions - who also brings strategic product thinking and cross-functional leadership . ...

Principal Azure DevOps Engineer Permanent Location: UK - Remote Salary: £80,000 - £90,000 (+ benefits) Skills: Azure, DevOps, CI/CD, Terraform, PowerShell, SC Clearance We are looking to recruit an SC Cleared Principal Azure DevOps Engineer for a leading technology consultancy click apply for full ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions … Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular platforms capable of deployment across multiple operating companies. Collaborate closely with product, data engineering, data science, analytics, and frontend teams to deliver cohesive ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions … Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular platforms capable of deployment across multiple operating companies. Collaborate closely with product, data engineering, data science, analytics, and frontend teams to deliver cohesive ...

their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team. As a Principal Engineer , you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line … Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team. Who We're Looking For You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. ...

their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team. As a Principal Engineer , you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line … Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team. Who We're Looking For You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. ...

Principal Frontend Engineer - Up to 120k - Fully Remote Morson Edge have teamed up with a well known European Tech business as they seek a number of Principal/Staff level Frontend Engineers to join a high performing team. You will translate big ideas into shippable, high quality ...

Principal Frontend Engineer - Up to 120k - Fully Remote Morson Edge have teamed up with a well known European Tech business as they seek a number of Principal/Staff level Frontend Engineers to join a high performing team. You will translate big ideas into shippable, high quality ...