1 to 25 of 108 Permanent Principal Engineer Jobs in London

Senior Principal Engineer – Own the Architectural Roadmap | B Corp £150k + 15% Bonus Hybrid - London 2 days per week Are you a Senior Principal Engineer with a passion for defining technology roadmaps to deliver business growth? Are you a commercially minded technology leader capable of strategic … decision-making while working at a ‘hands-on’ level with engineering teams? Senior Principal Engineer - A mission-driven global eCommerce company is undergoing a major technical transformation and is looking for a Senior Principal Engineer to help shape the future of its technology landscape. Operating in … Consumer (D2C) growth and are looking for a hands-on, strategy-led architecture leader to join the Senior Leadership Team. The Role: As Senior Principal Engineer, you’ll define and own the architectural roadmap, shaping tech strategy across software, infrastructure, data, and security. Reporting directly to the CPTO More ❯

Principal Engineer/Staff Engineer - Principal Software Engineer (Full Stack Engineer) £180k + Share/Equity Scheme (EMI) We are looking for a Principal Software Engineer/Staff Software Engineer to join a FinTech company at the Scale-Up phase of … their journey. (£200m+ Investment Series Funding) They're looking for an engineer that has experience working across several tech stacks including TypeScript, Java, Node, React, AWS, Python, Go. You do not need experience in all of these but must be able to showcase ability to lead on technologies that … are best fit for purpose. 💷 £150k-£180k basic 🏡 Hybrid Working 🚀 Share/Equity Scheme (EMI) 🏝️ 25 days + 8 PH 💰 Bonus Scheme As a Principal Engineer/Staff Engineer you will work closely with the CTO and lead a team of Software Engineers & Full Stack Developers on More ❯

Principal Software Engineer (TypeScript) Salary: £120,000 - £140,000 plus equity Location: 3 days p/week in London Principal Engineer - would you like the opportunity to work for a start-up who recently raised series A funding? You will be joining a technology team who … a passion for innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a Principal Engineer, you will be joining the organisation at one of the most exciting times. You will be working alongside a team of experienced … fast-paced start-up. Focus on building highly reliable and well architected products. Computer Science degree would be a bonus. If you're a Principal Engineer, looking to work for one of the fastest growing start-ups, please apply. More ❯

Principal Software Engineer, Device Management Systems The Amazon Device Management Systems (ADMS) organization in Chennai is specialized in building foundational solutions that cater to a number of critical customer experiences including device-authentication, device-registration, device profiles and account-linking. These solutions cater to all Amazon first-party … connect to the Amazon cloud on behalf of customer scenarios that originate through these devices. The organization is looking for an experienced and talented Principal Engineer that has experience and passion in building large-scale cloud-based web service solutions and has a penchant for building cloud solutions … a broader set of use-cases while maintaining the simplicity of the solution. As we venture into expanding the supported use-cases, the talented Principal Engineer would also get to learn and contribute through newer technologies in the Device Authentication (like Remote Key Provisioning) and Device Registration (like More ❯

DevOps Principal Engineer - GCP - London United Kingdom Job Description Job Description: An exciting opportunity for a forward-thinking DevOps Principal Engineer who thrives on integrating security best practices into the software development life cycle. You will join a leading name in the global food and beverage … market, with over 500 stores worldwide. As a DevOps Principal Engineer, you will be responsible for managing the platform and products used across the division to ensure secure and efficient availability of environments for delivery of services/applications, and you will proactively and independently drive platform improvements … Agile ceremonies. Document processes, procedures, and infrastructure configurations. Work with relevant stakeholders to maintain compliance and security standards Requirements: Proven experience as a DevOps Principal Engineer. Strong experience with Google Cloud Platform (GCP) and Terraform. Proficiency in setting up and managing CI/CD pipelines using GitHub Actions. Familiarity More ❯

Principal Engineer - 6G/Standards Research We are currently partnered with a leading developer of cutting edge mobile technologies with applications across devices, networks, and services on a global scale. The team is looking to expand their Wireless Research Group with a Principal Engineer for 6G … systems and influencing global standards like 3GPP RAN, SA, and CT. This is a permanent opportunity based in London, UK. Key Responsibilities for this Principal Engineer position: Lead cutting-edge research and standardization efforts for 6G technologies. Develop intellectual property, create standards contributions, and publish research in your … high-profile industry engagements. Familiarity with European and international wireless ecosystems like ETSI, ITU-R, and HEU/H2020 is a plus. Keywords: Research Engineer/R&D/Research and Development/Beyond 5G/6G/Standards Research/3GPP/RAN/Wireless Ecosystems/ETSI More ❯

Principal Support Engineer page is loaded Principal Support Engineer Apply locations London (All Terminals) time type Full time posted on Posted 2 Days Ago time left to apply End Date: June 30, 2025 (30+ days left to apply) job requisition id JR31907 Job Title Principal Support Engineer Job Description Reports to: Controls Manager Location: London - Heathrow Airport (All terminals) Contract Type: Permanent Shift Based (42 Hours) Introduction to role Working within Heathrow T3 and T5, the Principal Support Engineer will be responsible for the investigation and resolution of complex technical faults … in the Low Level control equipment including analysis of data, improvement and optimisation within the baggage handling system. The engineer will also have a good appreciation of both high level and electro-mechanical equipment and the interfaces with the low level. Role Responsibilities Your responsibilities and activities will include More ❯

teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a … technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at least 60% hands-on) Managing and mentoring Staff Engineers … technical solutions with business needs Researching and implementing AI-driven development tools to boost productivity What we're looking for Proven experience as a Principal Engineer/Lead Engineer/Software Architect Proven hands-on coding experience with .NET, SQL Server, MongoDB, Angular/NextJS, AWS, and More ❯

Principal Software Engineer (90,000 + Equity) A new position as a Principal Software Engineer is now available at an innovative company specializing in AI-driven 3D analytics, headquartered in London. The company leverages cutting-edge 3D AI to automate construction progress, quality monitoring, and risk … and integrations Oversee cloud deployment and performance optimization Define and track development and product KPIs Coach junior engineers and support team growth The Ideal Principal Software Engineer Will Have: Experience building maintainable, high-quality enterprise/B2B software Experience managing full-cycle software projects Proficiency in Python Experience … or Enterprise SaaS Knowledge of 2D/3D vision, big data, Terraform, or Infrastructure as Code If you're interested in the position of Principal Software Engineer, please apply or contact Michael Burns-Peake. More ❯

Senior or Principal Engineer (WTG Foundations) Summary: SLPE is seeking an experienced Senior/Principal Engineer (WTG Foundations) or established Engineering Manager to join our growing team. In this role, you'll serve as a technical lead and/or engineering manager on major projects, working … cost, safety, and sustainability. Qualifications & Experience: Bachelor's or Master's degree in Civil, Structural, Geotechnical, or Marine Engineering (or related field). Chartered Engineer status or equivalent professional accreditation preferred. Proven expertise in Wind Turbine Generation (WTG) foundation design for offshore wind farms, including monopiles, jackets, and/ More ❯

PRINCIPAL ENGINEER - UP TO £71,000 GUARANTEED BONUS! Location : Fully Remote Tech: C# .NET/Azure (API Management) Company: Tech for Good! My client ensures health and social care services provide people with safe, effective, compassionate, and high-quality care while using the latest cutting-edge technology, including More ❯

Principal Platform Engineer page is loaded Principal Platform Engineer Apply remote type Hybrid (8 days/month) locations GBR - London, Canada Square time type Full time posted on Posted 3 Days Ago job requisition id R If making a difference matters to you, then you matter … to make a difference. We do our best work together, connecting to create new innovations with impact. Join us as a Lead Product Software Engineer, where you will independently execute specialized software development tasks. Your role will involve advanced coding, system design, and optimizing software solutions that enhance our More ❯

One of the most established consultancies in London are looking for a Principal Engineer to join their rail team, you will join a vibrant and successful engineering practice that are always looking for innovative ways to work. You will be joining their headquarters in London, but they have … a global network so the opportunities are worldwide. What You'll Do: As a Principal Rail Engineer, you'll be at the forefront of delivering exceptional civil engineering solutions for rail infrastructure projects. From feasibility studies to detailed designs, you'll play a critical role in every stage … outputs, ensuring they meet industry standards and project specifications. What You Bring: Qualifications : A degree in Civil Engineering (Bachelor's or Master's); Chartered Engineer (CEng or equivalent) is highly desirable. Experience: Minimum of 5 years civil engineering design experience, focusing on rail infrastructure projects. Technical Expertise: Strong knowledge More ❯

Principal Data Engineer - Core Systems Team Hybrid in London/Remote within UK The company Fast, flexible finance empowers small businesses to manage their cash flow better and seize opportunities - making their business and the economy stronger as a whole. At iwoca, we do just that. We help … inspired processes, using continuous integration and delivery, so that features go live in days or weeks, not months or years. The role As the Principal Data Engineer, you'll be responsible for our data platform. You'll define our data strategy, drive the evolution of our data infrastructure More ❯

Principal DevOps Engineer - Trading - City of London - £160,000 + Bonus with Remote Working Overview: We have a fantastic opportunity to join one of the largest online Trading platforms in the world. This organisation is one of the world’s largest social network for traders and investors with … security, and operations teams to implement DevOps best practices, fostering collaboration and streamlining workflows. Essential Skills & Experience: 8+ years of experience as a DevOps Engineer or in a similar role. Strong hands-on experience with common DevOps tool such as GitLab, GitHub, Jenkins, Artifactory, Ansible, Terraform for maintenance, administration … work in this environment Package: £125,000 - £160,000 Basic Salary Remote Working Options Bonus up to 25% Excellent Pension scheme + Many more. Principal DevOps Engineer - Trading - City of London - £160,000 + Bonus with Remote Working More ❯

Principal Data Engineer 👔 FinTech 📍 London (Remote First) 💵£140k 📦Equity Incentive Scheme, Private Medical, Flexi-Working, Quarterly Salary Reviews, Half Day's L&D per fortnight Do you want to work for one of the fastest growing FinTech's in the B2B Banking space? Do you want to want … who's data driving approach to lending is making big waves in the B2B banking sector. They now have an imminent requirement for a Principal Data Engineer to spearhead an exciting new project for them, ideally with good knowledge of: Data Warehousing (Snowflake) Data Pipelines (DBT, Kafka) Programming More ❯

Principal Engineer - Hybrid Our client is embarking on a large-scale digital transformation with a new platform that is fully centered around Salesforce. This transformation will empower the business to deliver cutting-edge digital services, streamline and automate processes. We are seeking an experienced Principal Engineer More ❯

The Team Senior/Principal Secondary Design Engineer - UK Be an Expert in Secondary Substation Design Are you an experienced Electrical Design Engineer with expertise in substation secondary design , including protection and control systems ? We are looking for a Senior/Principal Engineer to lead … edge solutions for some of the most challenging and prestigious projects in the UK and internationally. The Role The Role As a Senior/Principal Secondary Design Engineer, you will lead the design and delivery of protection and control systems , working on projects from concept through detailed design … Constructability : Assess feasibility and address site-specific challenges to ensure successful delivery. The Skills Essential Skills Degree in Electrical Engineering or related field. Chartered Engineer status (or working towards). Experience in secondary substation design for AIS/GIS systems up to 400kV . Proficiency in developing protection philosophies More ❯

Principal Machine Learning Engineer Paying between £100,000-£140,000 Hybrid in Central London La Fosse is partnered with a leading insurance company who are looking for an experienced Principal Machine Learning Engineer to drive their AI innovation at scale. They are looking for someone to … experience in the insurance or financial sector is beneficial. If you're interested in this role, apply through the AD to find out more! Principal Machine Learning Engineer More ❯

At AKQA the Principal Engineer role is at the pinnacle of both software and cloud engineering & web development disciplines. An engineer who has achieved mastery of their craft and relishes new challenges and is comfortable researching, adopting and shaping new technologies, inside and out of their proven … domain of experience, drawing parallels from across the technology landscape. This role shares similarities with 'Staff Engineer' in other organisations and demonstrates thought and practical leadership within our engineering capability. AKQA believes in the imaginative application of art and science to create beautiful ideas, products and services. With an … world renowned thought leadership from all disciplines and working with some of the brightest minds in their fields. You should be an established lead engineer and practitioner of the latest web and cloud technologies; building best in class digital applications, serving users on the modern technology landscape, whatever that More ❯

Principal Electrical Engineer - Data Centres - 3 Days WFH About the Opportunity: An industry-leading consultancy, renowned for its expertise in mission-critical systems, is seeking a Principal Electrical Engineer to drive innovation in data centre projects . With a strong focus on efficiency and sustainability, this … systems for mission-critical data centres. Manage projects from concept to completion , ensuring quality, efficiency, and compliance with industry standards. Act as the lead engineer , coordinating with clients, contractors, and internal teams to drive project success. Oversee site inspections, technical reviews, and system integration. Contribute to strategic decision-making … centre engineering. Requirements: Degree in Electrical Engineering or Building Services Engineering. Extensive experience in data centre electrical design or other mission-critical environments. Chartered Engineer (CEng) status or working towards it. Strong leadership, project management, and communication skills. Proficiency in industry-standard design and analysis software. If you're More ❯

Contract Role: Principal Engineer – ForgeRock (IAM) Location: London (Hybrid – 2 days onsite) Rate: Up to £800/day (PAYE) Duration: 6 months Start Date: 21 April 2025 IR35 Status: PAYE A leading financial services organisation is seeking a ForgeRock SME with deep expertise in IAM and application server More ❯

Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech | Series A - Drug discovery B2B Platform | Fully Remote, EU | £ 850-1200pd, Outside IR35 | 6-12 months Contract Length The Client: A leading organization in the drug discovery field is currently looking for a Principal ML Engineer … are applied within drug discovery workflows. A proven track record in setting strategy, solving complex technical problems, and delivering impactful ML systems is essential. Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech expertise | Series A - Drug discovery B2B Platform | Fully Remote, EU || £ 850 - 1200pd, Outside IR35 … to peers and set the strategic direction for the area.nd practical impact. Provide mentorship to peers and set the strategic direction for the area. Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech expertise | Series A - Drug discovery B2B Platform | Fully Remote, EU || Fully Remote, EU | £ 850 - 1200pd More ❯

Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech | Series A - Drug discovery B2B Platform | Fully Remote, EU | £ 850-1200pd, Outside IR35 | 6-12 months Contract Length The Client: A leading organization in the drug discovery field is currently looking for a Principal ML Engineer … are applied within drug discovery workflows. A proven track record in setting strategy, solving complex technical problems, and delivering impactful ML systems is essential. Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech expertise | Series A - Drug discovery B2B Platform | Fully Remote, EU || £ 850 - 1200pd, Outside IR35 … to peers and set the strategic direction for the area.nd practical impact. Provide mentorship to peers and set the strategic direction for the area. Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech expertise | Series A - Drug discovery B2B Platform | Fully Remote, EU || Fully Remote, EU | £ 850 - 1200pd More ❯

Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech | Series A - Drug discovery B2B Platform | Fully Remote, EU | £ 850-1200pd, Outside IR35 | 6-12 months Contract Length The Client: A leading organization in the drug discovery field is currently looking for a Principal ML Engineer … are applied within drug discovery workflows. A proven track record in setting strategy, solving complex technical problems, and delivering impactful ML systems is essential. Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech expertise | Series A - Drug discovery B2B Platform | Fully Remote, EU || £ 850 - 1200pd, Outside IR35 … to peers and set the strategic direction for the area.nd practical impact. Provide mentorship to peers and set the strategic direction for the area. Principal Machine Learning Engineer, Structural Biology | Pharma/BioTech expertise | Series A - Drug discovery B2B Platform | Fully Remote, EU || Fully Remote, EU | £ 850 - 1200pd More ❯