21 of 21 Principal Software Engineer Jobs in England

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 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 … 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 More ❯

Press Tab to Move to Skip to Content Link Job Title: Principal Software Engineer - Security Engineer Job Reference: Band: BAND D Salary: £80,000-£90,000k depending on relevant skills, knowledge and experience. The expected salary range for this role reflects internal benchmarking and external market insights. Contract type: Permanent role Location: This is a hybrid … makes secure, high-velocity delivery possible. We build shared cloud platforms, developer tooling and guardrails that let hundreds of product teams ship confidently and sustainably. We're hiring a Principal Software Engineer - Security Engineer to help us embed secure-by-design thinking across the BBC. You'll work hands-on with engineering teams, applying InfoSec-led … security teams, enable secure engineering at scale, and support adoption of policies across delivery teams. No prep required beyond a few examples of your work. Main Responsibilities As a Principal Software Engineer - Security Engineer, you'll work hands-on with product and platform teams across the BBC to embed secure engineering practices that align with InfoSec More ❯

Job Title: Principal Software Engineer (Cloud Applications) Location: Hybrid/Remote (Hemel Hempstead) Salary: £100,000 per annum Job Type: Full Time, Permanent Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's … the risk of fraud and data breaches, become compliant with security regulations, as well as enhancing their brand and increasing customer satisfaction. The Role: We're looking for a Principal Software Engineer with deep expertise in cloud-native application development, large-scale data systems, and modern AI technologies. This role goes beyond traditional engineering-you'll architect … ownership of designing distributed systems, APIs, and event processing platforms in a cloud-first environment, primarily on AWS. You'll collaborate across engineering and product to deliver high-performance software, working hands-on across the stack with languages like Node.js, Python, Nuxt, Vue and the range of AWS systems. Key Functional Responsibilities: Application & System Design: Architect and implement backend More ❯

Job Title: Principal Software Engineer (Cloud Applications) Location: Hybrid/Remote (Hemel Hempstead) Salary: £100,000 per annum Job Type: Full Time, Permanent Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's … the risk of fraud and data breaches, become compliant with security regulations, as well as enhancing their brand and increasing customer satisfaction. The Role: We're looking for a Principal Software Engineer with deep expertise in cloud-native application development, large-scale data systems, and modern AI technologies. This role goes beyond traditional engineering-you'll architect … ownership of designing distributed systems, APIs, and event processing platforms in a cloud-first environment, primarily on AWS. You'll collaborate across engineering and product to deliver high-performance software, working hands-on across the stack with languages like Node.js, Python, Nuxt, Vue and the range of AWS systems. Key Functional Responsibilities: Application & System Design: Architect and implement backend More ❯

Principal Backend Software Engineer/Developer (C# .Net Core Azure) Reigate/WFH to £95k Are you a backend focussed .Net technologist looking for an opportunity to work on cutting edge SaaS technology? You could be progressing your career in a senior hands-on role at a global InsurTech. As a Principal Backend Software Engineer … modern microservices You have experience of leading technical projects and promoting best practices You have excellent written and verbal communication skills What's in it for you: As a Principal Backend Software Engineer/Developer you will earn a competitive salary package including: Salary to £95k Bonus (c20%) 25 days holiday (and ability to buy more) Pension … Health Care, Life Assurance Enhanced maternity/paternity packages Professional training and career development Hybrid work from home (x2 days office) Apply now to find out more about this Principal Backend Software Engineer/Developer (C# .Net Core Azure) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths More ❯

Principal Software Engineer (Permanent) Salary: £65,000 - £75,000 Location: UK-based iO Associates is supporting a large public-sector organisation. They are looking for a Principal Software Engineer to help shape the future of digital services. You'll join a forward-thinking Head of Engineering who is transforming the team to deliver smarter … more efficient solutions for residents and staff. What you'll be doing Setting the technical direction of software engineering and helping to define best practice. Taking a hands-on role in solution design and development. Collaborating closely with platform engineering to create robust, scalable services. Building new tools internally to improve access to services, automate processes, and enhance systems … in housing and property services. What we're looking for Strong software engineering expertise, ideally with JavaScript (React preferred) and knowledge of cloud platforms (AWS, Azure, Cloudflare). Experience in solution design and delivering end-to-end digital services. Background in consultancy Knowledge of containerisation tools (Docker or Kubernetes) is a plus. A proactive, 'get things done' mindset with More ❯

Senior Principal Software Engineer Location: UK (Hybrid - 2 days/week in Winchester or London office) Salary: Up to £83k + bonus + benefits The Role We're looking for a Senior Principal Software Engineer to provide technical leadership, shape engineering standards, and mentor a team of engineers. This senior role combines architectural oversight … sustainability Champion adoption of modern tools and technologies Mentor and coach engineers to support career growth Contribute hands-on with clean, scalable code when required Represent the Head of Software Engineering in decision-making forums About You Strong expertise in modern programming languages and frameworks Proven experience in senior technical roles with architectural influence Excellent problem-solving and stakeholder More ❯

Principal Embedded Software Engineer £70-90k Reading Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Principal Embedded Software Engineer | £70-90k | Reading | Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Principal Software Engineer Security Cleared (High Level of UK Government Security Clearance Required) Salary: up to £100k + Benefits Copello Global is supporting a confidential client within the defence/technology sector in their search for an experienced Software Engineer to join them in Cheltenham. This is an exciting opportunity to work with a global … leader on highly impactful mission-critical programmes. The Role Design, build, and maintain secure, scalable software Write, review code, and support CI/CD pipelines Break down complex features and manage them within Agile workflows Deliver technical demos to internal and external stakeholders Skills Required Proficiency in Java, Python, or JavaScript Experience with AWS or Azure Familiarity with Jenkins More ❯

We are looking for a Principal Software Engineer (we call them Principal Software Craftspeople) who shares the same values of pragmatism, professionalism and transparency as us to join our team. You'd be utilising your expertise with clients, helping to shape Codurance, and being involved in coaching and mentoring across the company. We support our … within our client's existing team to help them tackle complex challenges within their own software. Or maybe you're more interested in helping to introduce the values of software craftsmanship and extreme programming practices to an organisation through coaching & mentoring. Location: We are open to this role being hybrid, with occasional travel to client sites. Please note that … identify and solve problems. You are good at helping people come up with a vision and helping them get aligned behind it You bring deep hands-on experience in software engineering, particularly modernisation, with a track record of guiding teams to build well-crafted, reliable, and maintainable systems. You're comfortable leading complex client engagements - shaping delivery through discovery More ❯

We're seeking a Principal Software Engineer to lead the architectural evolution of our platform as we scale to meet growing demand from the world's largest engineering companies. This is a hands-on technical leadership role where you'll drive critical architectural initiatives while mentoring our engineering team. You'll be owning in conjunction with the … stakeholders to translate requirements into technical solutions Guide technical decision-making and prioritization across the engineering organization Interview and onboard new engineers Technical Requirements Must-Have 12+ years of software engineering experience with at least 2 years in principal/staff engineering roles Expert-level Python development skills with production experience at scale Deep expertise in distributed systems More ❯

Principal Software Engineer, US Prime & Marketing Tech Job ID: Amazon Spain Services, S.L.U. Do you want to reach the next level on your career? Do you want new challenges and solve hard problems while using top-notch technologies? Join us and you'll help millions of customers to discover the hottest and best-of-breed products from … start on a new team and make an immediate impact at this scale. Come with us and let's find the best future, together. Key job responsibilities As a Principal Engineer you will be expected to serve as a technical lead on our most demanding, cross-functional projects. • Ensure the quality of architecture and design of systems. • Functionally … the business teams to identify opportunities and innovate on behalf of our customers BASIC QUALIFICATIONS Knowledge of object-oriented design, data structures, and algorithms Experience (non-internship) in professional software development PREFERRED QUALIFICATIONS Experience designing and building large-scale systems in a multi-tiered, distributed environment (Service Oriented Architecture) Amazon is an equal opportunities employer. We believe passionately that More ❯

Role: Principal Software Engineer Location: Hybrid in London Salary: £100,000 - £135,000 You will support in accelerating a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams More ❯

Principal Software Engineer - Front End Architect and Governance Lead Why you should apply for a job to JPMorgan Chase: 61% say women are treated fairly and equally to men 77% say the CEO supports gender diversity Ratings are based on anonymous reviews by Fairygodboss members. Position summary ll guide the development of innovative UI components and frameworks More ❯

are curious, collaborative, and driven by the ambition to make investing accessible to everyone. We'd love for you to be part of our journey. About The Role As Principal Software Engineer in our Investment Tribe, you'll be a senior technical leader, guiding our move from a complex legacy estate to a modern, cloud-native architecture. More ❯

This position offers a roughly 80/20 split between hands-on embedded software development and leadership responsibilities, supporting a small team of 3-5 specialist software engineers. Projects are varied-ranging from short 2-day sprints to full-scale 2-year development programmes-across a wide range of industries. It's an excellent fit for someone with … solid embedded software experience and some exposure toleadership-whether direct orinformal-who's ready to take the next step. A broader understanding of cloud or application-level development is also useful, given the diversity of work. Location: Commute from Cambridge, Saffron Walden, Newmarket, Braintree, Hitchen, Harlow, St Neots, Bury St Edmunds, Chelmsford (Hybrid, 3 days onsite) Type: Permanent | Hands … on Technical + Leadership Other: No Visa sponsorship available The Opportunity This is a hands-on role combining software development with team leadership. You'll lead a small, close-knit sub-team within a larger multidisciplinary software group, contributing to the design and delivery of embedded systems for a range of real-world applications-from radar and sensing More ❯

strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for industrial sectors. In this role, you'll join an established development team in a hands-on position, leading and owning the technical roadmap and … debt, and helping scale and improve the reliability of the product's system. As a team lead, you'll mentor and provide technical guidance while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python, confident … on performance, efficiency, cost management, and reliability *Mentor and guide the development team while working closely with management *Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience *Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes) *Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring More ❯

strong Python and Java experience join an exciting SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, maturing technology business delivering software and AI-driven solutions for industrial sectors. In this role, you'll join an established development team in a hands-on position, leading and owning the technical roadmap and … debt, and helping scale and improve the reliability of the product's system. As a team lead, you'll mentor and provide technical guidance while working closely with the Software Engineering Manager. This role is fully office-based in London. The ideal candidate is a hands-on Software Engineer with strong experience in Java and Python, confident … on performance, efficiency, cost management, and reliability*Mentor and guide the development team while working closely with management*Fully office-based role in London The Person: *Experienced Hands-on Software Developer with strong Java and Python experience*Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes)*Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring More ❯

Senior & Principal Software Engineers - Aerospace & Defence East London/Kent (3 days on client side - travel and accommodation expenses covered) Senior: up to £65,000 | Principal: up to £75,000 Safety-Critical Embedded Software | Defence & Aerospace Projects An industry-leading consultancy in the aerospace and defence space is building a brand-new division in the East … London/Kent region - and this is a fantastic opportunity to get in at the ground level. We're looking for Senior and Principal Software Engineers with proven experience in safety-critical embedded systems . You'll join a growing team working on a wide variety of high-impact projects across mission-critical domains. Key Requirements: Strong background … in safety-critical embedded software engineering Experience in the defence or aerospace sectors Willingness to work 3 days per week on client site UK eligibility for security clearance is a plus What's on Offer: Competitive salaries: up to £65K (Senior), £75K (Principal) Join at a pivotal stage of company growth Work on diverse, technically challenging projects Career More ❯