26 to 50 of 52 Remote Principal Software Engineer Jobs

Job title: Principal Software Engineer Location: Luton – Hybrid Salary: Up to £80k Clearance: SC eligible (Sole UK Nationals only) Duration: Permanent We 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 and be responsible for creating high quality and robust designs and code; for fully documenting and recording your work products; keeping them under configuration management and providing plans and progress reports. Work Experience: Languages: C++14 or higher versions Tools: Visual Studio … 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 More ❯

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. … first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a Senior Engineer, you will play a key role in designing and delivering scalable, reliable systems that handle significant volumes of real-time data and transactions. You'll collaborate with product, data … and platform teams to deliver high-impact features that directly improve user financial wellbeing. This is a hands-on role for an engineer who values clean architecture, measurable outcomes, and meaningful user impact. What You’ll Do: Design and implement distributed systems that are resilient, scalable, and secure. Own technical decision-making across architecture and implementation — selecting the right More ❯

Principal Software Engineer & Tech Lead Leeds HQ (Flexible, Hybrid working) AI-Driven Solutions & Digital Transformation Are you a Principal-level engineer who wants to shape the future of AI-enabled digital products? WRK digital is partnering with Parallax a digital transformation consultancy pushing the boundaries of what AI can do for enterprise clients to find … should apply if: You have demonstrable experience building or delivering AI-enabled products You are an expert in Next.js (or similar), React, and AWS with a deep understanding of software architecture You balance technical leadership with hands-on codingyou are comfortable in both the boardroom and the codebase You have high emotional intelligence and enjoy consultancy-style client engagement … flexible working, gym/streaming subsidies The opportunity to work on AI projects that matter Ready to lead the future of AI-Driven digital products? If you are a Principal or senior engineer looking for a role where you can blend strategic thinking, client consultancy, and hands-on engineering this is it. Please apply now or contact James More ❯

Principal Software Engineer & Tech Lead 📍 Leeds HQ (Flexible, Hybrid working) 💡AI-Driven Solutions & Digital Transformation Are you a Principal-level engineer who wants to shape the future of AI-enabled digital products? WRK digital is partnering with Parallax — a digital transformation consultancy pushing the boundaries of what AI can do for enterprise clients — to find … should apply if: • You have demonstrable experience building or delivering AI-enabled products • You are an expert in Next.js (or similar), React, and AWS with a deep understanding of software architecture • You balance technical leadership with hands-on coding—you are comfortable in both the boardroom and the codebase • You have high emotional intelligence and enjoy consultancy-style client … flexible working, gym/streaming subsidies • The opportunity to work on AI projects that matter Ready to lead the future of AI-Driven digital products? If you are a Principal or senior engineer looking for a role where you can blend strategic thinking, client consultancy, and hands-on engineering — this is it. Please apply now or contact James More ❯

Principal Software Engineer & Tech Lead 📍 Leeds HQ (Flexible, Hybrid working) 💡AI-Driven Solutions & Digital Transformation Are you a Principal-level engineer who wants to shape the future of AI-enabled digital products? WRK digital is partnering with Parallax — a digital transformation consultancy pushing the boundaries of what AI can do for enterprise clients — to find … should apply if: • You have demonstrable experience building or delivering AI-enabled products • You are an expert in Next.js (or similar), React, and AWS with a deep understanding of software architecture • You balance technical leadership with hands-on coding—you are comfortable in both the boardroom and the codebase • You have high emotional intelligence and enjoy consultancy-style client … flexible working, gym/streaming subsidies • The opportunity to work on AI projects that matter Ready to lead the future of AI-Driven digital products? If you are a Principal or senior engineer looking for a role where you can blend strategic thinking, client consultancy, and hands-on engineering — this is it. Please apply now or contact James More ❯

Principal .Net Engineer – 50/50 Hands-on About the Company: My client is a global leader in market infrastructure. With a focus on data solutions, and digital transformation, they are a World leader in their market. About the Role: My Client is seeking a Principal Software Engineer with a strong background in .NET Core … help design and build distributed systems and APIs, while mentoring others and promoting best practices in engineering delivery. Responsibilities: Design, build and maintain robust, scalable applications and services Ensure software meets business needs, aligns with technical strategy, and is delivered to a high standard Work closely with architects and product teams to refine requirements and deliver solutions Contribute to More ❯

Principal .Net Engineer – 50/50 Hands-on About the Company: My client is a global leader in market infrastructure. With a focus on data solutions, and digital transformation, they are a World leader in their market. About the Role: My Client is seeking a Principal Software Engineer with a strong background in .NET Core … help design and build distributed systems and APIs, while mentoring others and promoting best practices in engineering delivery. Responsibilities: Design, build and maintain robust, scalable applications and services Ensure software meets business needs, aligns with technical strategy, and is delivered to a high standard Work closely with architects and product teams to refine requirements and deliver solutions Contribute to More ❯

Principal .Net Engineer – 50/50 Hands-on About the Company: My client is a global leader in market infrastructure. With a focus on data solutions, and digital transformation, they are a World leader in their market. About the Role: My Client is seeking a Principal Software Engineer with a strong background in .NET Core … help design and build distributed systems and APIs, while mentoring others and promoting best practices in engineering delivery. Responsibilities: Design, build and maintain robust, scalable applications and services Ensure software meets business needs, aligns with technical strategy, and is delivered to a high standard Work closely with architects and product teams to refine requirements and deliver solutions Contribute to More ❯

About Us: OpenSolar was founded in 2017 by global pioneers in solar software - Andrew Birch and Adam Pryor. OpenSolar exists to accelerate the adoption of solar and renewable energy globally. We provide the world's clean energy professionals with an end-to-end digital design, sales and management software to grow their businesses, free of charge. OpenSolar is … be part of the clean energy movement, creating a lasting impact on the world. All while being part of a passionate, fun, and highly collaborative team. The Role: The Principal Software Engineer (Full Stack) role is a full-time permanent position located in the United Kingdom and is a remote working role. You will have the opportunity … to be part of a global high-performing dynamic software team, doing what you do best. The role is focused on designing and building the best solutions for our users in over 185 countries, whilst maintaining best practices in software development. Your key responsibilities: Design and implement robust, scalable, and secure full-stack solutions using React/Python More ❯

Bristol Principal Embedded Software Engineer - £80k + great benefits! My client is a leading engineering firm, developing software and hardware for a range of regulated industries. They are looking for a Principal Embedded Software Engineer to join their highly motivated team. This is a very interesting opportunity providing the right candidate the opportunity … Tech Stack/Skills required : -Embedded C -RTOS or MCU experience - Regulated industry experience - Team leadership experience you will be able to mentor and lead a team of embedded software engineers. The competitive salary is between £70-80k + great benefits! If youre interested please apply below More ❯

Principal Software Engineer Join a once in a career opportunity to help build a premium private bank from the ground up. Which is currently in stealth mode , backed by significant capital and led by a visionary team. With mobilisation underway, we’re assembling a lean, elite engineering team to architect and deliver a secure, scalable, multi-cloud … banking platform using modern technologies. This is a career-defining role for a polyglot engineer with deep expertise in Rust and Python , and a passion for building robust systems in highly regulated environments. What You’ll Do Design and build core banking services and infrastructure using Rust , Python , and other modern languages. Develop secure, scalable systems across AWS and More ❯

Principal Software Engineer Join a once in a career opportunity to help build a premium private bank from the ground up. Which is currently in stealth mode , backed by significant capital and led by a visionary team. With mobilisation underway, we’re assembling a lean, elite engineering team to architect and deliver a secure, scalable, multi-cloud … banking platform using modern technologies. This is a career-defining role for a polyglot engineer with deep expertise in Rust and Python , and a passion for building robust systems in highly regulated environments. What You’ll Do Design and build core banking services and infrastructure using Rust , Python , and other modern languages. Develop secure, scalable systems across AWS and More ❯

Principal Control Software Engineer Hybrid/Onsite to Birmingham About Us At TAE Power Solutions, we design power management systems that use less but do more. From, electric vehicle, drivetrains, ultrafast charging, stationary energy storage and grid efficiencies. We develop a clean energy ecosystem of proprietary technology designed to go faster, perform stronger, travel farther, and last … clean energy to the grid. Job Overview As a member of the Control Systems team, you will be working on the development of BMS, DCDC, OBC and Inverter application software for a range of demonstrator and production projects. You will be involved in all stages of the software development process, guide, and mentor other more junior engineers within … projects, and liaise directly with customers, suppliers, and other engineering teams within TAE Power Solutions (TPS). Key Aspects of the role Provide technical delivery and leadership of application software activities Support and mentor other more junior engineers within the team Creation and management of software requirements Take active part in the architectural design of the software More ❯

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 electrification where … traditional grid capacity falls 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 and delivery of our IoT and … cloud software platform. Youll connect our ultra-fast chargers, manage data and remote control functions, and ensure security and scalability across our systems. Youll work directly with the VP Product and VP Power Electronics, shaping architecture, integrations and performance turning ideas into real, working solutions. ________________________________________ What Youll Do Build IoT and cloud software for charger connectivity and monitoring More ❯

and Avionics Solutions (CAS) team. This is a unique chance to speak directly with team members, and to learn more about our work in Aircraft Engine Controls and the Software Engineering opportunities that we have available. To reserve your spot, simply apply now. We can't wait to hear from you! These positions will be located at one of … hybrid work environment and 9/80 work schedule. Our company is part of the community and driven to improve our future and protect our freedom. We are hiring software engineers at the individual contributor, team lead, and chief engineer levels to participate in Electronic Systems development programs at any of the locations listed above. As a Software Engineer, you will be a member of a cross-functional, multi-disciplinary team to model, design, develop, integrate, debug, test, field, and support our innovative Electronic Systems. Required Education, Experience, & Skills Bachelor’s degree in software engineering or a related engineering discipline with 6+ years of relevant Software Engineering experience in avionics or electronic controls embedded More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯