1 to 25 of 140 Principal Engineer Jobs in the South East

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 – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a Principal Engineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A Principal Engineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯

This leading developer of wireless communications technologies is urgently seeking a Principal Engineer 5G/6G RAN to be based at their R+D Centre in London. The Principal Engineer 5G/6G RAN will be involved in research and development of emerging 5G and 6G systems … relevant to 3GPP RAN wireless standards. Along with this the Principal Engineer 5G/6G RAN will be pivotal in driving next generation innovation and development addressing the challenges of future wireless systems development. The Principal Engineer 5G/6G RAN will also contribute to the More ❯

Principal Software Engineer Note: The business are hiring for Senior-Principal Engineers Principal Engineer TypeScript, React, NextJS, NestJS, Python At Wave Talent, we don't want to consume any more of your time trying to decipher job descriptions to identify the information you need. Instead … We’ve partnered with a high-growth AI technology company who are pushing the boundaries in industrial tech, and we’re hiring Senior to Principal Engineers to join their mission-critical platform team. This role is on-site 5 days a week and whilst this may change in the … driving technical excellence across the team. We'd love to chat with you about this position if: ✅ You’ve got extensive experience as a Principal Engineer, Staff Engineer, or in a senior full-stack engineering role, ideally within fast-paced, high-growth tech environments. ✅ You’re highly More ❯

Principal Systems Engineer Competitive Salary Milton Keynes - Hybrid T2M Resourcing are working with a growing technology and manufacturing business to recruit a Principal Systems Engineer to lead systems requirements, design and architecture, testing, and overall V-Cycle activities. As a Principal Systems Engineer you … will specialise in managing systems activities and working with multi-discipline teams in software and hardware development. Duties of the Principal Systems Engineer: Leading systems activities across the V-Cycle alongside multi-discipline teams. Develop and manage requirements from product conception to delivery. Deliver functional safety activities to … such as FMEA and HAZOP and HARA. Support software team with development of models using Simulink/Matlab. Requirements to be successful as a Principal Systems Engineer: Degree level qualification in Systems Engineer, Electronics Engineering, Mechanical Engineering or similar field. Able to lead by example. Knowledge of 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 Firmware Engineer Competitive Salary Milton Keynes - Hybrid T2M Resourcing are working with a growing technology and manufacturing business to recruit a Principal Firmware Engineer to lead automotive software development and validation activities. As a Principal Firmware Engineer you will specialise in developing embedded … software within AUTOSAR and MISRA-C requirements. Duties of the Principal Firmware Engineer; Developing embedded software for multiple automotive and aerospace products. Mentoring and leading teams on technical projects. Utilising tools such as CANope and CANlyser. Configuration of software using ETAS ISOLAR. Partner with Systems and Electronics Teams … requirements. Code reviews alongside software and test teams. Working with Software Test Engineers to plan and execute testing. Requirements to be successful as a Principal Firmware Engineer: Degree level qualification in Computer Science, Electronics Engineering, or similar field. Subject matter expert in embedded/firmware software development. Able More ❯

Principal Engineer Competitive + Bonus + Benefits Slough/London (Hybrid) Permanent full time We are seeking a Principal Software Engineer (Level 6) to join our thriving business! This role is a new key role in the IRIS Engineering Organisation and is one of the keystones … in the delivery of World-Class Customer Products, Developer experience and the advancement of our technology. As a Principal Software Engineer, your world is being embedded or supporting the teams where the hardest work is happening at any given time, helping them deliver good quality software with predictable More ❯

Principal Engineer Competitive + Bonus + Benefits Slough/London (Hybrid) Permanent full time We are seeking a Principal Software Engineer (Level 6) to join our thriving business! This role is a new key role in the IRIS Engineering Organisation and is one of the keystones … in the delivery of World-Class Customer Products, Developer experience and the advancement of our technology. As a Principal Software Engineer, your world is being embedded or supporting the teams where the hardest work is happening at any given time, helping them deliver good quality software with predictable More ❯

Principal Engineer Competitive + Bonus + Benefits Slough/London (Hybrid) Permanent full time We are seeking a Principal Software Engineer (Level 6) to join our thriving business! This role is a new key role in the IRIS Engineering Organisation and is one of the keystones … in the delivery of World-Class Customer Products, Developer experience and the advancement of our technology. As a Principal Software Engineer, your world is being embedded or supporting the teams where the hardest work is happening at any given time, helping them deliver good quality software with predictable More ❯

Principal Systems Engineer Competitive Salary Milton Keynes - Hybrid T2M Resourcing are working with a growing technology and manufacturing business to recruit a Principal Systems Engineer to lead systems requirements, design and architecture, testing, and overall V-Cycle activities. As a Principal Systems Engineer you … will specialise in managing systems activities and working with multi-discipline teams in software and hardware development. Duties of the Principal Systems Engineer: Leading systems activities across the V-Cycle alongside multi-discipline teams. Develop and manage requirements from product conception to delivery. Deliver functional safety activities to … such as FMEA and HAZOP and HARA. Support software team with development of models using Simulink/Matlab. Requirements to be successful as a Principal Systems Engineer: Degree level qualification in Systems Engineer, Electronics Engineering, Mechanical Engineering or similar field. Able to lead by example. Knowledge of More ❯

will be part of a cross-functional team of talented developers working together to create the best Sportsbetting experience in the world! As a Principal Engineer, you will work across teams within a Pricing area, contributing to the teams' backlogs and taking on larger initiatives with other Principal Engineers. The Principal Engineer has a deep, strategic understanding of the product in their business area and makes technical decisions to solve business problems. Draw on relevant technical expertise to help guide engineering teams to create great products, remaining solution-focused at all times. This is a More ❯

Job Description - Principal Engineer - Systems (Operating Environment) () Job Title: Principal Engineer - Systems (Operating Environment) Location: Barrow-in-Furness, Brough, Weymouth, Bristol, Portsmouth, Frimley or Manchester. We offer a range of hybrid and flexible working arrangements-please speak to your recruiter about the options for this particular More ❯

Position: Principal Python Engineer CRB Multi-Strategy Investment Manager Location: London, UK Firm Overview A leading multi-strategy investment firm with over $7 billion in assets under management and more than 350 employees across five main offices. The firm focuses on three core principles: approach, platform, and people. … and technological advancements. The firm values its people, fostering an environment that attracts top talent by balancing autonomy with collaboration, and intelligence with integrity. Principal Engineer CRB The Central Risk Book (CRB) Engineering team is seeking a Principal Python Engineer to act as a quantitative overlay … trading operations. The engineering team's goal is to continually improve the entire ecosystem-spanning data, research, trading, and post-trade analytics. As a Principal Engineer, you will own end-to-end delivery of new features and projects, engaging in everything from trading framework design, back-end strategy More ❯

Principal Java Software Engineer London (Hybrid – 1–2 days/week onsite) 🚀 Join a FinTech Powering the Future of Payments Are you an experienced Senior/Principal Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This … office 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

PRINCIPAL DATA ENGINEER LONDON BASED £90,000-100,000 PER ANNUM This retailer are searching for a new Principal Data Engineer to take responsibility for the development of the company's cloud platform in Azure. You will also build new Data Pipelines using Python and SQL. … THE COMPANY This fast-growing international company is seeking a Principal Data Engineer to join their growing Data and Analytics team. They are currently active in over 30 countries and are looking to grow even more. THE ROLE Joining a growing team, you will take responsibility for the More ❯

to make a real impact, grow with a supportive team, and help shape the future of data solutions in trusted sectors. The Role The Principal Java Engineer has a critical role within the Engineering function, tasked with setting technical standards and influencing the architectural decisions that shape the … seasoned expert who not only technically leads projects within their domain of expertise but also supports business development efforts through pre-sales engagements. The Principal Engineer will guide the technology strategy, collaborate with cross-functional teams and ensure the delivery of scalable, efficient and innovative software products. This … position is designed for an influential engineer with an extensive technical background and a strategic mindset. As a Principal Engineer, you will lead by example, champion best practices and influence the strategic direction of the overall Engineering team. Technically you will need strong Java and Angular programming More ❯

Job Title: Principal Combat Systems Engineer Location: Portsmouth - Hybrid - 2-3 days in office per week Role Type: Permanent Salary: 52,000 - 58,500 per annum, negotiable depending on experience Our client, an established multinational engineering firm, require an experienced Principal Combat Systems Engineer to join … to physically integrate the Combat Systems sub-system equipment, working within a complex engineering to order warship design programme. What the role of the Principal Combat Systems Engineer entails: Some of the main duties of the Principal Combat Systems Engineer will include: Engaging with internal and … detail design teams for defining the requirements for Combat System equipment in non-Combat System compartments What experience you need to be the successful Principal Combat Systems Engineer: Essential A relevant degree in an engineering or scientific discipline, with a demonstration of suitable experience/competency in Combat More ❯

Senior/Principal Software Engineer - Kotlin £90,000-£150,000 basic salary Project at Tier One Investment Bank London - Hybrid working - flexible Are you a Senior/Principal Engineer with commercial Kotlin experience who is ready to make an impact in one of the world’s … leading financial institutions in the new year? We’re searching for a Senior/Principal Kotlin focused Engineer to join a critical project at a Tier 1 Investment Bank, working on mission-critical systems that power global investment strategies. This is a greenfield project where you'll have … Solid salary, L&D budgets including global conferences, 10% pension, life insurance, health insurance, paid time off for family. If you're an experienced engineer with backend Kotlin experience looking for an exciting role in an interesting domain please apply now! #kotlinroles #kotlindeveloper #TDD More ❯

Principal Software Engineer 2 days/week in Winchester or London office) £83,000 base salary + 10% annual bonus + 6% pension contribution + Private medical insurance We're looking for a Senior Principal Software Engineer to play a strategic role in guiding our engineering More ❯

Principal Software Engineer | Permanent | London Cititec Talent is excited to partner with a global commodities firm seeking a Principal Software Engineer to join their team. The team is closely aligned with front-office operations and collaborates directly with trading desks, global research teams, and enterprise technology. More ❯

Principal Systems Engineer (MBSE) Location : Coventry – Hybrid working available Salary : £55,000 - £60,500 Ready to lead the future of digital systems engineering? We’re looking for a Principal Systems Engineer to bring Model-Based Systems Engineering (MBSE) to life across complex submarine projects. What You More ❯

Aventis Solutions has partnered with a fast-growing British tech team seeking a series of AI/ML Engineers, including Senior, Principal & Team Leads, to build scalable, production-grade AI systems and help shape a forward-thinking machine learning and engineering capability. This is your opportunity to work in … tech leader. We're looking for a range of AI engineers, so if you have a strong background as a data scientist, a data engineer, or a full-stack software engineer, we'd like to hear from you. Key details: Salary : £65,000-£125,000 + … allowance + strong benefits package Location : London HQ + flexible hybrid working model (remote) Future Outlook : Long-term career progression toward Lead or Staff Engineer, AI/ML Enterprise Architect, or senior leadership positions. As the AI Innovation Lab grows, there will be ample opportunity to specialise in advanced More ❯

Principal Systems Engineer Milton Keynes Hybrid (3 days on site) £70,000 - £95,000 salary DOE + benefits Our client are developing cutting edge hybrid control and inverter systems that power everything from high performance motorsport platforms to next gen passenger EVs , and we're looking for a … Principal Systems Engineer to lead the charge! This is a chance to work on technically complex, high impact systems at the edge of what’s possible in electric propulsion. You'll be part of a growing engineering function where your decisions shape architecture, performance, and future direction. In More ❯

Principal Data Engineer Hybrid - London – weekly office visit We’re working with a cutting-edge SaaS business that's revolutionising how organisations integrate systems, manage data, and deliver insights. This high-growth, product-led company offers a game-changing, AI-powered platform that’s driving digital transformation for … multiple awards for their approach to high achieving professionalism balanced with a great work-life balance. About the Role We’re looking for a Principal Data Engineer to join a highly skilled team focused on delivering next-gen, data-driven solutions across complex enterprise environments. We’re looking … to a Principal Technical Contributor who can also work in a strategic role. At it’s core, this role is about improving the company’s Product internally, while also listening to and tailoring for clients. You’ll act as a platform superuser and thought leader, responsible for designing and More ❯