26 to 50 of 370 Permanent Principal Engineer Jobs

Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is More ❯

Principal Software Engineer | C++ | Python | Linux Oxfordshire | Hybrid £65,000pa plus benefits: Do you enjoy technically leading and mentoring a team of Software Engineers utilising C++ & Python on Linux, passing on your knowledge and experience to help nurture and develop future Engineers? If so, this Principal Software Engineer role will be perfect for you. Our client … has seen rapid growth over the last few years, and to help develop their talented team of Software Engineers, they now seek a Principal Software Engineer who can technically lead, mentor and develop during an exciting period of innovation. On a day-to-day basis you will develop and support software applications and drivers for a range of … products. You will be technically responsible for ensuring projects meet internal and external customer requirements and completing concept designs through to production. The successful Principal Software Engineer will need the following qualification, experience and skills: A degree in a Software Engineering, Mathematics or Science/Materials subject Experience in ARM based software developments using C/C++ Experience More ❯

Principal Software Engineer – .NET/C#/AWS/CI/CD .NET, C#, AWS, JavaScript, DevOps, Agile, CI/CD Salary up to £75-80k + Bonus scheme Hybrid – 3 days a week on-site (Greater Manchester) For more information, please email me directly at Patrick.doyle@searchability.com or call on 01244 567 920/… self-organising squads, our teams are empowered to design, build, and deliver scalable, high-performance systems that shape the future of our business. We’re now looking for a Principal Software Engineer to take a leading role in guiding our engineering direction, mentoring talented developers, and driving the adoption of modern technologies and best practices. Who We’re … Seeking: We’re seeking a Principal Software Engineer with deep expertise in .NET, C# and AWS who will play a key part in architectural decision-making, helping teams balance innovation and reliability while championing best practices. You’ll work closely with other Principal Engineers, Product Owners, and cross-functional teams to deliver robust, maintainable, and scalable solutions More ❯

Role: Principal Salesforce Engineer Location: Any office across the UK (hybrid with ad-hoc UK travel) Package: £80,000 + strong bonus & benefits Summary Join a growing Salesforce team that’s set to triple in size over the next year. You’ll lead an existing and brand new Salesforce squad, driving both architecture and delivery while shaping the … platform’s technical direction. This is a hands-on role that will naturally evolve into a more strategic, leadership-focused position as the team expands. As Principal Salesforce Engineer, you’ll define and own the Salesforce technical architecture, ensuring scalable, secure, high-quality solutions. You’ll mentor engineers, lead design reviews, and work closely with product, delivery and … enterprise architecture to deliver key programmes. Principal Salesforce Engineer Responsibilities • Design and deliver complex Salesforce solutions across multiple Clouds • Define and maintain technical architecture, integration patterns and performance standards • Lead design reviews and ensure consistency with best practice and governance • Oversee integrations with internal systems and middleware (e.g. Mulesoft), defining APIs and data flows • Drive performance optimisation, scalability More ❯

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: DV (Developed Vetting) or SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world’s most essential organisations through their … visibility and insight at an 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 and experienced presales professional with a … with tools like Wireshark, Zeek, or similar platforms. Awareness of cybersecurity frameworks and best practices (e.g., NIST, ISO 27001) and how they apply to network assurance. Role & Responsibilities As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional More ❯

Principal AI Engineer | Up to £130K | Hybrid in London (3 Days Onsite) | Our client is an AI-native engineering firm trusted by major enterprises to build and operationalise scalable AI platforms. With a unique mix of technical depth and proven delivery frameworks, they enable clients to unlock measurable value from AI at scale. As a Principal AI … Engineer, you’ll be the driving force behind the architecture and delivery of large-scale AI systems. You’ll set the technical vision, mentor cross-functional teams, and work closely with senior stakeholders to turn high-impact ideas into production-ready solutions. This is a chance to shape how AI is built and adopted at enterprise scale. Key Responsibilities … Python engineering skills + FastAPI, CI/CD, MLOps, LLM tooling Leadership across cross-functional engineering teams If you are Interested, apply directly or reach out to jonah.brookes@oliverbernard.com Principal AI Engineer | Up to £130K | Hybrid in London (3 Days Onsite More ❯

Principal AI Engineer | Up to £130K | Hybrid in London (3 Days Onsite) | Our client is an AI-native engineering firm trusted by major enterprises to build and operationalise scalable AI platforms. With a unique mix of technical depth and proven delivery frameworks, they enable clients to unlock measurable value from AI at scale. As a Principal AI … Engineer, you’ll be the driving force behind the architecture and delivery of large-scale AI systems. You’ll set the technical vision, mentor cross-functional teams, and work closely with senior stakeholders to turn high-impact ideas into production-ready solutions. This is a chance to shape how AI is built and adopted at enterprise scale. Key Responsibilities … Python engineering skills + FastAPI, CI/CD, MLOps, LLM tooling Leadership across cross-functional engineering teams If you are Interested, apply directly or reach out to jonah.brookes@oliverbernard.com Principal AI Engineer | Up to £130K | Hybrid in London (3 Days Onsite More ❯

Principal Engineer UNIX/LINUX Administrator About The Organisation National Services Scotland (NSS) is a national NHS Board operating right at the heart of NHSScotland providing invaluable support and advice at a strategic and operational level. NSS supports customers to deliver their services more efficiently and effectively and we offer shared services on a national scale using best More ❯

Principal Software Engineer & Tech Lead 📍 Leeds HQ (Flexible, Hybrid working) 💡AI-Driven Solutions & Digital Transformation Are you a Principal-level engineer who wants to shape the future of AI-enabled digital products? WRK digital is partnering with Parallax — a digital transformation consultancy pushing the boundaries of what AI can do for enterprise clients — to find an … flexible working, gym/streaming subsidies • The opportunity to work on AI projects that matter Ready to lead the future of AI-Driven digital products? If you are a Principal or senior engineer looking for a role where you can blend strategic thinking, client consultancy, and hands-on engineering — this is it. Please apply now or contact James More ❯

Principal Software Engineer – National Security - SC Clearance Role: Principal Software Engineer Location: Cheltenham - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £75,000 - £95,000 About the Role Searchability NS&D is recruiting a Principal Software Engineers to join an Agile delivery team supporting a range of complex and high-impact Central Government … professional development Social: Regular team get-togethers, summer parties, and annual company away-days Onsite Allowances: Expenses provided for lunch and refreshments Apply If you’re an ambitious Software Engineer looking to apply your skills to impactful, mission-focused projects, we’d love to hear from you. #Java #AWS #React #JavaScript #TypeScript #Kubernetes #Docker #SC #SCCleared #FullStack More ❯

Principal Software Engineer - Snowflake page is loaded Principal Software Engineer - Snowflakeremote type: Hybridlocations: Edinburgh, GBtime type: Full timeposted on: Posted Todayjob requisition id: JR2454Wood Mackenzie is the global data and analytics business for the renewables, energy, and natural resources industries. Enhanced by technology. Enriched by human intelligence. In an ever-changing world, companies and governments need … committed - we put customers at the heart of our decisions Future Focused - we accelerate change Curious - we turn knowledge into action About the Role We're looking for a Principal Software Engineer to join our Snowflake Platform team within our Data Platform group. You'll be responsible for the systems and infrastructure that integrate Snowflake into our broader More ❯

Principal Software Engineer – Full Stack (Java/React) Level: Senior/Principal - £80,000–£95,000 Location: UK-wide | Hybrid (Client site travel as required) Function: Full Stack Development | Agile Delivery | Technical Leadership Industry: Consulting | Public Sector | Digital Transformation Base office: Manchester, Bristol, Cheltenham, or Plymouth Lead software excellence. Deliver strategic impact. Join a specialist UK software … consultancy delivering high-impact software solutions for public sector clients. They are seeking Principal Software Engineers to lead teams, shape delivery strategy, and drive innovation across government projects. About the Role As a Principal Software Engineer, you will lead multiple teams, combining hands-on full stack development with technical leadership and client engagement. You will ensure the More ❯

Principal RF Engineer As the selected Principal RF Engineer , your role will be split between designing RF systems at component level, and providing technical leadership for the development of projects. The right candidate will have a solid background in RF design, experience of taking a leading role on engineering projects and be an excellent communicator click More ❯

Job Role: Principal Engineer Working Model: Full-Time - Remote (with occasional quarterly workshops/events) Salary: Up to £100,000 This is a fantastic opportunity to join a major organisation as they evolve their Proposition & Acquisition Value Stream , driving innovation across marketing websites, sales quote and buy systems, and key marketing technologies. You'll play a senior strategic … and architecture-focused role , supporting multiple squads and working alongside senior stakeholders to deliver complex, high-impact initiatives. Ideal Candidate: Proven experience as a Principal or Senior Engineer with a strong technical and architecture background Less hands-on coding, more strategic leadership and technical oversight Extensive experience with SaaS platforms including Adobe CXP, Adobe CDP, Informatica MDM, and More ❯

Principal Software Engineer Cloud Engineering Scale-up c£100k North Scout are partnered with a fast-growing cloud engineering business that’s doubled revenues, expanded its technical team, and earned a strong reputation for delivering complex cloud programmes with pace and precision. They’re looking for a Principal Software Engineer to take a leading role across … person to earn up to £100k with a strong package which includes stock options, private healthcare and loads of smaller benefits. If you’re a technically strong, people-focused engineer who enjoys leading from the front and shaping modern cloud solutions, we’d love to hear from you. More ❯

Principal Software Engineer Location: London - 1x a month 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 solutions. This is an opportunity to shape greenfield projects from the ground … do I need to be 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 of software architecture, cloud infrastructure More ❯

to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Systems Engineer/Principal Systems Engineer - Electromagnetic Environmental Effects (E3) to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. The qualified candidate … will become part of Northrop Grumman's Systems Engineering directorate. Responsibilities: • All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. • E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues … brevity to an audience unfamiliar with the E3 topic are necessary. • E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. • An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. • E3 engineers are responsible for designing ground systems More ❯

to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Systems Engineer/Principal Systems Engineer - Electromagnetic Environmental Effects (E3) to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. The qualified candidate … will become part of Northrop Grumman's Systems Engineering directorate. Responsibilities: • All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. • E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues … brevity to an audience unfamiliar with the E3 topic are necessary. • E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. • An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. • E3 engineers are responsible for designing ground systems More ❯

to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Systems Engineer/Principal Systems Engineer - Electromagnetic Environmental Effects (E3) to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. The qualified candidate … will become part of Northrop Grumman's Systems Engineering directorate. Responsibilities: • All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. • E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues … brevity to an audience unfamiliar with the E3 topic are necessary. • E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. • An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. • E3 engineers are responsible for designing ground systems More ❯

to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Systems Engineer/Principal Systems Engineer - Electromagnetic Environmental Effects (E3) to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. The qualified candidate … will become part of Northrop Grumman's Systems Engineering directorate. Responsibilities: • All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. • E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues … brevity to an audience unfamiliar with the E3 topic are necessary. • E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. • An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. • E3 engineers are responsible for designing ground systems More ❯

to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Systems Engineer/Principal Systems Engineer - Electromagnetic Environmental Effects (E3) to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. The qualified candidate … will become part of Northrop Grumman's Systems Engineering directorate. Responsibilities: • All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. • E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues … brevity to an audience unfamiliar with the E3 topic are necessary. • E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. • An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. • E3 engineers are responsible for designing ground systems More ❯

to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems has an opening for a Systems Engineer/Principal Systems Engineer - Electromagnetic Environmental Effects (E3) to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. The qualified candidate … will become part of Northrop Grumman's Systems Engineering directorate. Responsibilities: • All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. • E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues … brevity to an audience unfamiliar with the E3 topic are necessary. • E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. • An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. • E3 engineers are responsible for designing ground systems More ❯

Principal Data Engineer - Core Systems Team Hybrid in London/Remote within UK The company Imagine a world where every small business has the power to thrive. That's the world we're building at iwoca. Small businesses aren't just statistics - they're the heartbeat of our communities, the character of our high streets, and the engine … iwoca products. We follow Agile-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, and ensure our data systems More ❯

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-on development with strategic influence, guiding architecture decisions and shaping the More ❯

Principal Snowflake Engineer Edinburgh Hybrid Bright Purple is delighted to be supporting our client in their search for a Principal Snowflake Engineer to join their Snowflake Platform team within their Data Platform group. As well as a salary of up to £85,000, benefits include: Annual bonus (up to 15%) Flexible and hybrid working 8% pension More ❯