1 to 25 of 32 Principal Software Engineer Jobs in England

Principal Software Engineer – C++ Salary - £65K-£85K negotiable depending on experience plus competitive benefits package including pension, 25 days holiday and life assurance. Location – Portsmouth, Hants, Hybrid Our client is a rapidly growing software and data science consultancy firm, renowned for their reputation and keen ability … understand and meet customer requirements effectively. Their team is dedicated to delivering high-quality, end-to-end software and data science services. This role offers the opportunity to work with these teams to operate across multiple sectors, including defence, energy, transport, and health, and contribute to the development ...

looking for a fantastic Principal Software Engineer opportunity in High Wycombe? If so, my client is currently recruiting for a Principal Software Engineer to join their R&D site in High Wycombe, Buckinghamshire My client design and manufacture a range of products and systems … focusing on Instrumentation, but you do need a strong background in embedded software and architecture. Main requirements for the Principal Software Engineer job will be: - You will be responsible for the software architecture for their products/systems. - You will have a strong Agile/ ...

hiring a Principal Software Engineer to join a global technology business based in Buckinghamshire . The company designs and builds high-precision laboratory instruments used in science, healthcare, and environmental testing Please note: NO SPONSORSHIP IS PROVIDED WITH THIS POSITION What You’ll Do as a Principal Software Engineer: Lead the design and architecture of software systems across the full stack, from embedded C/C++ firmware controlling hardware to high-level C#/.NET applications. Mentor and guide a multidisciplinary team of software, firmware, and electronics engineers. Apply physics-based thinking ...

Principal Software Engineer Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. … looking for candidates with a mix of technical expertise and interpersonal skills, able to work independently and in small teams. The Role: As a Principal Software Engineer, you will play a major role in leading and developing software engineering in the Software Modelling and Simulation ...

Principal Embedded Software Engineer | £80-85k | Cambridge An exciting medium-sized consultancy is looking for an experienced software engineer to join their driven & motivated team. Youll report directly to the Head of Engineering and have a significant degree of authority over the architecture … each project. This is a fantastic opportunity for a software engineer with previous consultancy experience who wants to join a team where they can have a real impact every day and lead a team of multidisciplinary engineers, without the line management side of things. A lot of their ...

Principal Software Engineer Hours: 40h p/w Location: Hybrid or Remote Salary:60k-70k Build the platforms that power better travel money At eurochange , we’re transforming foreign exchange — making it better, simpler and more convenient for millions of customers. Technology is at the heart … that journey, and we’re looking for a Principal Software Engineer to help shape the platforms that drive our digital future. This is a senior, hands-on technical leadership role where you’ll influence architecture, guide engineering standards, and deliver enterprise-grade solutions that scale with ...

title: Principal Software Engineer Location: Oxford - Hybrid Salary: up to £75,000 Job Type: Permanent Organisation Overview Our Client operates within the high-tech instrumentation sector, specialising in advanced measurement solutions for scientific and industrial applications. Recognised for its innovative approach and commitment to excellence, Our Client … culture that encourages professional development and teamwork. Role Summary Due to ongoing growth and strategic development initiatives, Our Client is seeking an experienced Principal Software Engineer to lead the development of sophisticated software applications and drivers for its range of specialised products. This pivotal role ...

Manufacturing Futures seek to appoint a Principal Embedded Software Engineer working predominantly in embedded C. It's a really exciting time to join a market leader in a rapidly growing industry with an ever growing customer base. You will take the lead on your own projects … part of an inter-disciplinary engineering team, regularly liaising with mechanical, electronics and electrical engineers. This Principal Embedded Software Engineer role is a hands-on design position developing embedded software but it would be beneficial if you had previous experience supervising a team. Career progression ...

Principal Software Engineer London - 4 days onsite £110k - £140k + Benefits We're hiring for one of the UK's fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical … leadership alongside being extremely hands on as part of a platform team. Principal Engineers will set technical directions, drive engineering standards and strategy while remaining deeply embedded in implementation and operational excellence. Responsibilities: Architect and implement highly available, multi-region infrastructure services Define resilience patterns across services (failover, circuit ...

Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical … software delivery. The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved. The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions across defence, energy, transport and health. ...

Principal Software Engineer – AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation … create something new. Key Responsibilities Build innovative MVPs to validate ideas and accelerate learning Lead the design and implementation of scalable, high-performance software systems Collaborate closely with Product, Design, QA, and Engineering teams Evaluate, experiment and recommend new technologies, frameworks and tools Mentor and coach engineers to create ...

Principal Software Engineer – AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation … create something new. Key Responsibilities Build innovative MVPs to validate ideas and accelerate learning Lead the design and implementation of scalable, high-performance software systems Collaborate closely with Product, Design, QA, and Engineering teams Evaluate, experiment and recommend new technologies, frameworks and tools Mentor and coach engineers to create ...

Principal Software Engineer (£130,000 - £155,000 + bonus) About the Company: A publicly-traded fintech (NYSE-listed) operating one of the world's most-visited platforms for finance news and data, serving millions of users globally. The engineering team is responsible for infrastructure that handles high … decisions that directly impact system performance and user experience. Requirements: 8+ years backend development experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands ...

Title: Principal Embedded Software Engineer Location: Bradford Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced embedded systems. This … senior, hands-on role combining system architecture, embedded software development, and project ownership. You will guide technical direction and ensure high-quality delivery across the full software lifecycle. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control ...

Principal Software Engineer IoT & Full-Stack Location: Hybrid/Bicester Type: Permanent Salary: Competitive, market-based TUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart energy … short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions. The Role Were looking for a hands-on Lead Software Engineer to own the design ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced … embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you’re a senior embedded engineer looking to influence ...

Architect complex systems, owning technical decisions, and crafting Python-powered solutions that make a real impact to customers Principal Python Software Engineer Hybrid - commutable distance of the Southampton area Circa £65k + Up to 15% Bonus The Role As a Principal Python Software Engineer … elevating engineering standards. Mentoring experience Agile/Scrum Current tech stack includes: Python AWS Docker MariaDB Jira Azure DevOps Agile This Principe Python Software Engineer role is paying circa £65k with benefits including, 15% Bonus, 25 days holiday, enhanced pension, onsite gym, Car Scheme, healthcare scheme and more. ...

Title: Principal Embedded Software Engineer - C Location: On‑Site, Cambridgeshire Salary: Up to £70,000 Employment Type: Permanent Working Arrangements: This is an on-site role We’re seeking a Principal Embedded Software Engineer to take a leading role in the development and evolution … embedded software across both new products and established designs. This position is ideal for an experienced engineer who enjoys guiding technical direction, mentoring others, and driving projects to completion in a practical, real‑world engineering environment. About the Role As a senior member of the engineering team ...

Pektron Group Ltd is searching for a Senior/Principal Embedded Software Engineer who will be responsible for writing software for a range of bespoke products. Our Engineering attitude is confident and can do and with solid research and a lot of intuition we nearly always … language for the variety of 32 bit micros we use on our boards and were good at it! We pride ourselves on efficient reliable software and we mix our hardware and software teams together so that we can get the most out of our micros ...

Principal AI Engineer Up to £110,000 + Bonus Hybrid | London We’re partnered with a global leader in loyalty and customer engagement, looking for a Principal AI Engineer to join their London team. This role will include delivering customer centric solutions and scale production-grade … closely with the Head of AI Labs, you’ll lead the delivery of advanced AI systems that deliver real business impact. Responsibilities as a Principal AI Engineer: Lead end‐to‐end delivery of scalable, resilient AI/ML pipelines aligned to business goals. Build and deploy advanced ...

Principal Software Engineer (Solutions Architect) About HL And The Opportunity We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology … future of investing. Shape it with us. What You'll Be Doing Set technical direction: Define & maintain Front-End/Web and mobile software architecture and patterns, engineering standards and the 'right way' to build greenfield HL state of the art web and mobile applications. Own a technical 'opinionated ...

Group are recruiting for a Principal Software Engineer on behalf of an industry leading manufacturer of Scientific Instruments, on a permanent basis. This is an office-based position, located in High Wycombe. The successful candidate will lead the technical direction for Software, Firmware, and ideally Electronics … within the R&D group, and bridge the gap between complex physical principles and robust software architecture. Your responsibilities will include: To lead the architecture and design of software systems across the full stack, from embedded firmware (C/C++) controlling hardware to high-level application software ...

About the Role We're looking for a Principal Software Engineer to lead the migration and modernisation of a complex legacy application into a modern, scalable architecture. This is a hands-on technical leadership role where you'll shape the design, guide the team, and ensure successful ...

this passion for innovation that drives each one of our employees for personal and professional success. About The Role We are seeking a Principal Software Engineer based in London to provide technical leadership across backend services supporting our global payment gateway system. You will design and evolve … Mockito Ownership of quality standards, testability, and CI discipline Experience working in Agile/Scrum environments and influencing engineering best practices Experience Level Principal‐level backend engineering experience building and operating large‐scale, high‐performance systems Approximately 8+ years of backend development experience, with several years working on production ...

Architect complex systems, owning technical decisions, and crafting Python-powered solutions that make a real impact to customers Principal Python Software Engineer Hybrid - commutable distance of the Southampton area Circa £65k + Up to 15% Bonus The Role As a Principal Python Software Engineer ...