Principal Software Engineer Jobs in the UK

76 to 99 of 99 Principal Software Engineer Jobs in the UK

Principal Embedded Software Engineer

Bristol, Avon, South West, United Kingdom
ZENOVO LTD
Job Title : Principal Embedded Software Engineer Location : Bristol City Centre - 3 Days Per Week On-Site Salary - Up to £72,000 + Bonus & Benefits (Depending on Experience) Summary: This is a fantastic opportunity for an experienced engineer with a passion for leadership and a background in safety-critical embedded software to step into a high … impact role, driving both technical delivery and team performance. Responsibilities : Leading, mentoring, and managing a team of embedded software engineers in a collaborative and high-performing environment. Overseeing the full software development lifecycle – from requirements and design through to implementation, testing, and maintenance. Collaborating with cross-functional teams, including project management and QA, to ensure seamless and timely … and resolving technical challenges while managing risk and maintaining timelines. Driving continuous improvement, fostering innovation, and supporting professional growth within your team. Required Skills & Experience: Proven experience in embedded software development within a safety-critical environment. Solid understanding of embedded systems and RTOS Strong programming skills in C and assembler. Demonstrated leadership experience with the ability to mentor, motivate More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Principal Embedded Software Engineer

Bristol, Somerset, United Kingdom
ZENOVO LTD
Job Title : Principal Embedded Software Engineer Location : Bristol City Centre - 3 Days Per Week On-Site Salary - Up to £72,000 + Bonus & Benefits (Depending on Experience) Summary: This is a fantastic opportunity for an experienced engineer with a passion for leadership and a background in safety-critical embedded software to step into a high More ❯
Employment Type: Permanent
Salary: GBP 70,000 Annual
Posted:

Principal Software Engineer

Reading, England, United Kingdom
Hybrid / WFH Options
eflow Global
strategic shift to a fully SaaS model, we’re entering an exciting phase of rapid expansion and innovation. About the Role We’re looking for a motivated and experienced Software Engineer to join our growing team. You’ll be involved in designing, developing, and maintaining cutting-edge software solutions in a collaborative and forward-thinking environment. This … role offers the opportunity to work across both front-end and back-end development using modern technologies to build high-quality applications. Key Responsibilities Develop and maintain scalable software solutions using languages such as Java, C++, or Python. Build responsive user interfaces with HTML, CSS, JavaScript, and frameworks like React or Angular. Design and implement RESTful APIs and integrate … designers, and fellow developers to deliver innovative solutions. Participate in code reviews and mentor junior team members. Troubleshoot and resolve complex technical issues. Stay current with emerging trends in software engineering and apply them to projects. Propose technical improvements and champion best practices. Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field—or equivalent More ❯
Posted:

Principal Software Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
eflow Global
strategic shift to a fully SaaS model, we’re entering an exciting phase of rapid expansion and innovation. About the Role We’re looking for a motivated and experienced Software Engineer to join our growing team. You’ll be involved in designing, developing, and maintaining cutting-edge software solutions in a collaborative and forward-thinking environment. This … role offers the opportunity to work across both front-end and back-end development using modern technologies to build high-quality applications. Key Responsibilities Develop and maintain scalable software solutions using languages such as Java, C++, or Python. Build responsive user interfaces with HTML, CSS, JavaScript, and frameworks like React or Angular. Design and implement RESTful APIs and integrate … designers, and fellow developers to deliver innovative solutions. Participate in code reviews and mentor junior team members. Troubleshoot and resolve complex technical issues. Stay current with emerging trends in software engineering and apply them to projects. Propose technical improvements and champion best practices. Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field—or equivalent More ❯
Posted:

Lead Principal Software Engineer

London Area, United Kingdom
Harrington Starr
Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the … deliver on their individual responsibilities and ensure that the Front Office desks are fully supported with a global system architecture. Responsibilities: Design, develop, and maintain high-quality Java-based software components for trade capture, pricing, risk calculation, payments, settlements, and regulatory reporting Develop scalable and accurate solutions to meet the evolving needs of our business Be a part of … the global Level 3 support team, providing on-call support and responding to pager duty alerts Follow and improve established Software Development Life Cycle (SDLC) processes Automate tasks in the Continuous Integration/Continuous Delivery (CI/CD) pipeline to improve efficiency and reduce errors Qualifications: Bachelor's degree in Computer Science, Mathematics, Physics, Engineering, or a similar field More ❯
Posted:

Lead Principal Software Engineer

City of London, London, United Kingdom
Harrington Starr
Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the … deliver on their individual responsibilities and ensure that the Front Office desks are fully supported with a global system architecture. Responsibilities: Design, develop, and maintain high-quality Java-based software components for trade capture, pricing, risk calculation, payments, settlements, and regulatory reporting Develop scalable and accurate solutions to meet the evolving needs of our business Be a part of … the global Level 3 support team, providing on-call support and responding to pager duty alerts Follow and improve established Software Development Life Cycle (SDLC) processes Automate tasks in the Continuous Integration/Continuous Delivery (CI/CD) pipeline to improve efficiency and reduce errors Qualifications: Bachelor's degree in Computer Science, Mathematics, Physics, Engineering, or a similar field More ❯
Posted:

Lead Principal Software Engineer

london, south east england, united kingdom
Harrington Starr
Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the … deliver on their individual responsibilities and ensure that the Front Office desks are fully supported with a global system architecture. Responsibilities: Design, develop, and maintain high-quality Java-based software components for trade capture, pricing, risk calculation, payments, settlements, and regulatory reporting Develop scalable and accurate solutions to meet the evolving needs of our business Be a part of … the global Level 3 support team, providing on-call support and responding to pager duty alerts Follow and improve established Software Development Life Cycle (SDLC) processes Automate tasks in the Continuous Integration/Continuous Delivery (CI/CD) pipeline to improve efficiency and reduce errors Qualifications: Bachelor's degree in Computer Science, Mathematics, Physics, Engineering, or a similar field More ❯
Posted:

Lead Principal Software Engineer

slough, south east england, united kingdom
Harrington Starr
Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the … deliver on their individual responsibilities and ensure that the Front Office desks are fully supported with a global system architecture. Responsibilities: Design, develop, and maintain high-quality Java-based software components for trade capture, pricing, risk calculation, payments, settlements, and regulatory reporting Develop scalable and accurate solutions to meet the evolving needs of our business Be a part of … the global Level 3 support team, providing on-call support and responding to pager duty alerts Follow and improve established Software Development Life Cycle (SDLC) processes Automate tasks in the Continuous Integration/Continuous Delivery (CI/CD) pipeline to improve efficiency and reduce errors Qualifications: Bachelor's degree in Computer Science, Mathematics, Physics, Engineering, or a similar field More ❯
Posted:

Lead Principal Software Engineer

london (city of london), south east england, united kingdom
Harrington Starr
Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the … deliver on their individual responsibilities and ensure that the Front Office desks are fully supported with a global system architecture. Responsibilities: Design, develop, and maintain high-quality Java-based software components for trade capture, pricing, risk calculation, payments, settlements, and regulatory reporting Develop scalable and accurate solutions to meet the evolving needs of our business Be a part of … the global Level 3 support team, providing on-call support and responding to pager duty alerts Follow and improve established Software Development Life Cycle (SDLC) processes Automate tasks in the Continuous Integration/Continuous Delivery (CI/CD) pipeline to improve efficiency and reduce errors Qualifications: Bachelor's degree in Computer Science, Mathematics, Physics, Engineering, or a similar field More ❯
Posted:

Principal Software Engineer IOT & FULL-STACK

Bicester, Oxfordshire, United Kingdom
Hybrid / WFH Options
Gerrell & Hard
Lead 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 management, and ultra-fast DC charging, TUAL delivers seamless electrificatio click More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer

Ruddington, Nottinghamshire, UK
MHR
and your impact. Your Career Elevate your career by joining MHR, the pioneering SaaS company leading the charge in the UK. We're on the lookout for a visionary Principal Web Engineer to join the PeopleFirst product team. Your Team Youll be part of our dynamic People First engineering team, where you'll work with the most cutting … edge technologies, collaborate with experts, and contribute to the rapid growth of our PeopleFirst SaaS system. Your Impact As a Principal Web Engineer at MHR, you're not just writing code you're architecting the future of software solutions. You'll drive excellence in every aspect, from user interface design to maintaining a high-quality code base … Knowledge of the following: Web security, RESTful Web Services Experience with modern unit testing frameworks and methodologies. Strong understanding of RESTful architecture and API design principles. Deep knowledge of software engineering concepts such as design patterns, SOLID principles, polymorphism, and threading. Demonstrated ability to write clean, scalable, and maintainable code. Familiarity with Microsoft Azure services for cloud-based development. More ❯
Employment Type: Part-time
Posted:

Principal Software Engineer

Ruddington, England, United Kingdom
MHR
and your impact. Your Career Elevate your career by joining MHR, the pioneering SaaS company leading the charge in the UK. We're on the lookout for a visionary Principal Web Engineer to join the PeopleFirst product team. Your Team You’ll be part of our dynamic People First engineering team, where you'll work with the most … cutting-edge technologies, collaborate with experts, and contribute to the rapid growth of our PeopleFirst SaaS system. Your Impact As a Principal Web Engineer at MHR, you're not just writing code – you're architecting the future of software solutions. You'll drive excellence in every aspect, from user interface design to maintaining a high-quality code … Knowledge of the following: Web security, RESTful Web Services Experience with modern unit testing frameworks and methodologies. Strong understanding of RESTful architecture and API design principles. Deep knowledge of software engineering concepts such as design patterns, SOLID principles, polymorphism, and threading. Demonstrated ability to write clean, scalable, and maintainable code. Familiarity with Microsoft Azure services for cloud-based development. More ❯
Posted:

Principal Frontend Software Engineer

United Kingdom, UK
Hybrid / WFH Options
Ocho
Principal Frontend Engineer | TypeScript and React | Remote UK or Ireland Location: Remote Type: Full-time About the Opportunity This is an opportunity to play a key role in shaping a technical engineering function while remaining hands on. You will help establish frontend technical leadership, contributing to the design and delivery of complex web applications used at scale. You … technical leadership and guidance across projects Deploy applications to test and production environments Encourage collaboration, knowledge sharing and engineering best practice What You Will Bring 10+ years experience in software engineering with a focus on frontend development Strong experience with JavaScript (ES6+), TypeScript, HTML and CSS Experience with CSS pre-processors such as SASS, LESS or SCSS Knowledge of More ❯
Posted:

Principal Software Engineer

harrogate, yorkshire and the humber, united kingdom
Hybrid / WFH Options
Northrop Grumman
the impact we have within the community. So, what's your possible? Opportunity: This is more than just a job; it's a mission. Northrop Grumman is seeking a Software Engineer to work as a member of an Operations and Maintenance team member in Harrogate, reporting to the Head of System Operations. Our Division is a world leading … in response to anomalous behavior Monitoring equipment health and status to ensure the highest possible level of mission readiness Continuous core skill improvement training Follow-on advanced training The engineer will be expected to work a non-traditional work week that will include occasional 12 hour shifts and weekends Benefits: We can offer you a range of flexible and … offer opportunities to decision makers Proven leadership experience on a project and/or team in complex and demanding environments Preferred Qualifications: Prior operations and/or systems/software engineering experience Experience with Linux OS and scripting tools e.g. Python and/or Perl Experience with Atlassian tool suite (e.g. Confluence, JIRA, etc.) Experience working in a geographically More ❯
Posted:

Principal Software Engineer

Manchester Area, United Kingdom
Hybrid / WFH Options
Anson McCade
We are a leading name in digital transformation consulting, understanding how the power of data & technology can enable client success. We are currently looking for an experienced Full Stack Engineer to help us on a serious of major projects for key public sector clients. The Ideal Full Stack engineer Will Have Strong Development experience in Java. Development experience … in JavaScript (ideally React). Strong knowledge of development with AWS. Good exposure to leading engineering teams. Prior involvement with architecture and management of customer stakeholders. Full Stack Engineer Key details Salary up to £95k. Hybrid Working. Manchester base location. Eligibility for SC clearance required (British passport holder). If you would like to join us as an experienced … Full Stack Engineer, make sure to click apply now! If you'd like to discuss the Full Stack Engineer role further, make sure to get in contact with Zachary Phillips at Anson McCade for a private discussion about the role or any additional details. More ❯
Posted:

Principal Software Engineer

bolton, greater manchester, north west england, united kingdom
Hybrid / WFH Options
Anson McCade
We are a leading name in digital transformation consulting, understanding how the power of data & technology can enable client success. We are currently looking for an experienced Full Stack Engineer to help us on a serious of major projects for key public sector clients. The Ideal Full Stack engineer Will Have Strong Development experience in Java. Development experience … in JavaScript (ideally React). Strong knowledge of development with AWS. Good exposure to leading engineering teams. Prior involvement with architecture and management of customer stakeholders. Full Stack Engineer Key details Salary up to £95k. Hybrid Working. Manchester base location. Eligibility for SC clearance required (British passport holder). If you would like to join us as an experienced … Full Stack Engineer, make sure to click apply now! If you'd like to discuss the Full Stack Engineer role further, make sure to get in contact with Zachary Phillips at Anson McCade for a private discussion about the role or any additional details. More ❯
Posted:

Principal Software Engineer

warrington, cheshire, north west england, united kingdom
Hybrid / WFH Options
Anson McCade
We are a leading name in digital transformation consulting, understanding how the power of data & technology can enable client success. We are currently looking for an experienced Full Stack Engineer to help us on a serious of major projects for key public sector clients. The Ideal Full Stack engineer Will Have Strong Development experience in Java. Development experience … in JavaScript (ideally React). Strong knowledge of development with AWS. Good exposure to leading engineering teams. Prior involvement with architecture and management of customer stakeholders. Full Stack Engineer Key details Salary up to £95k. Hybrid Working. Manchester base location. Eligibility for SC clearance required (British passport holder). If you would like to join us as an experienced … Full Stack Engineer, make sure to click apply now! If you'd like to discuss the Full Stack Engineer role further, make sure to get in contact with Zachary Phillips at Anson McCade for a private discussion about the role or any additional details. More ❯
Posted:

Principal Software Engineer - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
Be part of HL's future. Be part of the future of investing. Shape it with us. What You'll Be Doing Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services. Delivering value iteratively … outcomes with HL's mission and client value. Championing a culture of continuous learning, cross-functional collaboration, and inclusivity with a growth mindset. About You 8-10 years of software development experience within large-scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands …/TypeScript JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and DevOps principles TDD/BDD testing frameworks Desirable Java (21) and Spring Boot Interview Process 3 Stage Interview Stage 1 - Discussion More ❯
Employment Type: Permanent, Work From Home
Salary: £10,000
Posted:

Senior/Principal Wireless Software Engineer

Reading, Berkshire, United Kingdom
Cw (cambridge Wireless Ltd
Vicinity Technologies Limited, a dynamic leader in the UK's 5G and AI revolution, is seeking talented Senior/Principal Wireless Software Engineers to join our team of innovators. As a key contributor, you will play an integral role in developing cutting-edge 5G, 6G and Non-terrestrial Network (NTN) solutions which are transforming the way we connect … and communicate. Job Responsibilities Participate in design and develop 5G/6G TN/NTN and AI signal processing algorithms for communications systems, physical layer software and protocol stack software. Participate in 5G radio equipment and user terminals physical layer solution verification, end-to-end testing, network deployment and field trials. Interface with hardware, software and system engineers … growing company. Benefit from a competitive salary, performance-based bonuses, and a comprehensive benefits package. About Vicinity Founded in 2023, Vicinity develops and deploys advanced base stations, NTN solutions, software-defined terminal solutions and private networks, with global trials already underway. We collaborate with silicon providers, operators, integrators and top research institutes, pushing past 5G into what is next. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
Be part of HL's future. Be part of the future of investing. Shape it with us. What You'll Be Doing Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services. Delivering value iteratively … HL's mission and client value. Championing a culture of continuous learning, cross-functional collaboration, and inclusivity with a growth mindset. About You 8-10 years of experience in software engineering , with a strong track record of delivering complex, user-facing applications in regulated, large-scale environments , ideally within Investment, Asset, or Wealth Management . Deep expertise in React More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Principal Software Engineer

london, south east england, united kingdom
Medtronic
D lab, to the factory floor, to the conference room, every one of us experiments, creates, builds, improves and solves. We have the talent, diverse perspectives, and guts to engineer the extraordinary. More ❯
Posted:

Software Engineer (Senior, Staff & Principal)

Greater London, England, United Kingdom
Gravitas Recruitment Group (Global) Ltd
Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯
Posted:

Software Engineer (Senior, Staff & Principal)

london, south east england, united kingdom
Gravitas Recruitment Group (Global) Ltd
Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯
Posted:

Software Engineer (Senior, Staff & Principal)

slough, south east england, united kingdom
Gravitas Recruitment Group (Global) Ltd
Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 25 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces time & money More ❯
Posted:
Principal Software Engineer
10th Percentile
£68,750
25th Percentile
£72,500
Median
£95,000
75th Percentile
£113,750
90th Percentile
£121,250