1 to 25 of 39 Principal Software Engineer Jobs in the UK excluding London

Principal Software Engineer (C#, Azure, Event Driven) £90,000 + Bonus + Shares | St Albans (Hybrid) Method is partnering with a technology company that's about to launch a major digital transformation and rebuilding their architecture from the ground up. The company has been in business for nearly 30-years, and after a very successful period, they … single source of truth. They are also looking to scale massively over the next 5-years as they enter new markets, and as a result, are looking for a Principal Engineer to help deign, build and guide to achieve this. As the Principal Software Engineer, you be a hands-on technical authority, assisting with architecture … setting the development standards and best practices, and be the technical SME on what will be a massively, event driven platform. The Principal Software Engineer that joins this project, will be at the very beginning of this transformation. Helping the company decouple an already large monolith in and event driven platform that will handle several million events More ❯

Principal Software Engineer Great Baddow(Chelmsford)-Hybrid working role Up to £80k + 10-20% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Software Engineer to join their Great Baddow site working on a hybrid basis. What you'll be doing: Derive and maintain a set of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act … as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Strong More ❯

Job 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 fosters a collaborative and growth-oriented environment that values … of scientific innovation, supported by a 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 is fundamental to enabling the … offers the chance to influence project outcomes significantly, drive technical excellence, and support innovative measurement solutions on a global scale. Responsibilities Lead the creation and enhancement of high-quality software features within agile project teams, ensuring delivery aligns with project timelines and specifications. Assume ownership of technical solutions across designated projects, including participating in design reviews and architectural decisions. More ❯

Job 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 fosters a collaborative and growth-oriented environment that values … of scientific innovation, supported by a 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 is fundamental to enabling the … offers the chance to influence project outcomes significantly, drive technical excellence, and support innovative measurement solutions on a global scale. Responsibilities Lead the creation and enhancement of high-quality software features within agile project teams, ensuring delivery aligns with project timelines and specifications. Assume ownership of technical solutions across designated projects, including participating in design reviews and architectural decisions. More ❯

Job 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 fosters a collaborative and growth-oriented environment that values … of scientific innovation, supported by a 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 is fundamental to enabling the … offers the chance to influence project outcomes significantly, drive technical excellence, and support innovative measurement solutions on a global scale. Responsibilities Lead the creation and enhancement of high-quality software features within agile project teams, ensuring delivery aligns with project timelines and specifications. Assume ownership of technical solutions across designated projects, including participating in design reviews and architectural decisions. More ❯

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development of next-generation patient monitoring and connectivity solutions that make … proven technical leader looking to remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture ...the Principal role is ideal. You will be part of a cutting-edge company at the forefront of healthcare technology. Contribute to a high-performance culture by maintaining rigorous development standards … and documentation. As a Software Engineer, you will be instrumental in designing, and developing complex software systems within a regulated medical technology environment. Thesepositions areideal forseasoned engineers who thrivein collaborative cross-functional development. What We're Looking For: Vast software development experience in C++ Strong background in multi-threaded programming and Linux-based development environments. Experience More ❯

Title: Principal Software Engineer Location: Cambridge Work Setup: Onsite Were partnering with a rapidly growing Cambridgeshire-based company specializing in the development and supply of radio terminals, accessories, and applications for mission-critical and business-critical communications. Due to continued expansion, theyre looking for a Principal Software Engineer to join their growing team. The … 5+) development experience - Proven expertise in scalable, distributed, low-latency systems - Strong background in web applications, gRPC, Kafka/RabbitMQ, and multithreading - Solid understanding of performance tuning, security, and software architecture - Experience with WPF and design patterns such as MVVM, MVP, and MVC - Excellent leadership and communication skills If you have the relevant experience and are looking for your More ❯

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development of next-generation patient monitoring and connectivity solutions that make More ❯

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development of next-generation patient monitoring and connectivity solutions that make More ❯

Job Title: Lead/Principal Embedded Software Engineer Location: Gloucester (On-Site Working) Salary: Up to £85,000 (Depending on Experience) Summary of Vacancy: We’re currently recruiting for a Principal Embedded Software Engineer on behalf of a cutting-edge Security Research & Development organisation. This organisation is focused on low-level, security-related development … embedded systems, and is building novel and secure solutions that push technical boundaries. You’ll be working in a deeply technical, collaborative environment that prioritises engineering excellence. As a Principal Engineer, you’ll lead development efforts for secure embedded systems, working hands-on with code while also guiding and mentoring others. You’ll collaborate with researchers to prototype … new capabilities and deliver high-integrity software across a wide range of platforms. Key Responsibilities: Develop robust, efficient embedded software with a focus on security and performance. Work across the full stack—from low-level hardware interaction up to application logic—depending on project needs. Use your deep understanding of systems to write clean, reliable code that meets More ❯

Role: Principal Software Engineer Location: Berskhire (Onsite) Industry: Intelligence, Defence Salary: Competitive + Allowance + Bonus + Benefits Join a cutting edge engineering team developing high-performance embedded and application software for complex systems in the Intelligence/Cyber world. As a Lead Software Engineer, you ll provide technical leadership across the full software lifecycle from requirements and architecture through to design, implementation, and test. Key Responsibilities: Lead and contribute to software design, development, and verification for embedded and application systems. Define architectures, review code, and ensure delivery to quality, cost, and schedule. Apply modern engineering practices (CI/CD, DevSecOps, TDD/BDD). Mentor junior engineers and drive best practice … About You: Degree (or equivalent) in Engineering, Computer Science, or related field. Strong experience in C/C++ and embedded or Linux development. Skilled in object-oriented design and software lifecycle management. Familiar with real-time systems, testing frameworks, and modern development tools. What s on offer: Competitive salary, bonus & allowance. Strong pension and flexible benefits. Hybrid working and More ❯

Role: Principal Software Engineer Location: Berskhire (Onsite) Industry: Intelligence, Defence Salary: Competitive + Allowance + Bonus + Benefits Join a cutting edge engineering team developing high-performance embedded and application software for complex systems in the Intelligence/Cyber world. As a Lead Software Engineer, you’ll provide technical leadership across the full software lifecycle from requirements and architecture through to design, implementation, and test. Key Responsibilities: Lead and contribute to software design, development, and verification for embedded and application systems. Define architectures, review code, and ensure delivery to quality, cost, and schedule. Apply modern engineering practices (CI/CD, DevSecOps, TDD/BDD). Mentor junior engineers and drive best practice … About You: Degree (or equivalent) in Engineering, Computer Science, or related field. Strong experience in C/C++ and embedded or Linux development. Skilled in object-oriented design and software lifecycle management. Familiar with real-time systems, testing frameworks, and modern development tools. What’s on offer: Competitive salary, bonus & allowance. Strong pension and flexible benefits. Hybrid working and More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

Job Title: Principal Software Engineer Location: Great Baddow – We offer flexible working arrangements – Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements from a baseline … set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers’ solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering designs Act as an Engineering technical lead … for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and experiences: Good experience of using at least More ❯

We are looking for a Pre-Sales 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 … 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 ❯

Job 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 click apply for full job details More ❯

Job 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 fosters a collaborative and growth-... More ❯

Job Requirements Role Overview: Quest Global are hiring for experienced C++ Senior/Principal Software Engineers on a permanent basis to be based in Luton. This position is for embedded software development in an end to end role focused on electronic warfare systems. As a software engineer, you will work within an integrated project team … Essential Skills and Qualifications Strong programming expertise in C++14 , with extensive experience using Visual Studio for development, debugging , and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks , including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. Strong unit test skills using tools such as MS Test … and internal stakeholders to deliver high-quality outcomes. Excellent written and verbal communication skills. Strong peer reviewing skills ( source code and documentation). Desirable Skills and Qualifications Experience delivering software within Agile and DevOps frameworks, actively contributing to sprint meetings. Practical exposure to Continuous Integration (CI) environments and automated build and test pipelines. Working knowledge of Azure DevOps for More ❯