1 to 25 of 47 Remote Permanent Principal Software Engineer Jobs

Principal Engineer/Staff Engineer - Principal Software Engineer (Full Stack Engineer) £180k + Share/Equity Scheme (EMI) We are looking for a Principal Software Engineer/Staff Software Engineer to join a FinTech company at the Scale … Up phase of their journey. (£200m+ Investment Series Funding) They're looking for an engineer that has experience working across several tech stacks including TypeScript, Java, Node, React, AWS, Python, Go. You do not need experience in all of these but must be able to showcase ability to lead … are best fit for purpose. 💷 £150k-£180k basic 🏡 Hybrid Working 🚀 Share/Equity Scheme (EMI) 🏝️ 25 days + 8 PH 💰 Bonus Scheme As a Principal Engineer/Staff Engineer you will work closely with the CTO and lead a team of Software Engineers & Full Stack Developers More ❯

Principal Engineer/Staff Engineer - Principal Software Engineer (Full Stack Engineer) £180k + Share/Equity Scheme (EMI) We are looking for a Principal Software Engineer/Staff Software Engineer to join a FinTech company at the Scale … Up phase of their journey. (£200m+ Investment Series Funding) They're looking for an engineer that has experience working across several tech stacks including TypeScript, Java, Node, React, AWS, Python, Go. You do not need experience in all of these but must be able to showcase ability to lead … are best fit for purpose. 💷 £150k-£180k basic 🏡 Hybrid Working 🚀 Share/Equity Scheme (EMI) 🏝️ 25 days + 8 PH 💰 Bonus Scheme As a Principal Engineer/Staff Engineer you will work closely with the CTO and lead a team of Software Engineers & Full Stack Developers More ❯

passions to use and be part of something greater, you are in the right place. Northrop Grumman Aeronautics Systems has an opening for a Software Engineer or Principal Software Engineer to join our team of qualified, diverse individuals located onsite in Rancho Bernardo, CA. Join … from scratch, while working closely with designers and backend engineers to bring user interfaces to life. The ideal candidate should have a background in Software Engineering, with a particular focus on front-end development and user-interface/user-experience (UI/UX) proficiency. This position is fully on … us grow our services, become even better at what we do and will possess the following qualifications. This role may be filled by a Engineer or Principal Engineer Level. Basic Qualifications Software Engineer: Bachelor's degree in Computer Science, Software Engineering, or related field More ❯

We’re Hiring: Principal Software Engineer – Satellite Systems Location: Surrey-based (Hybrid) Sector: Satellite Communications | Embedded Systems | Space-tech GTS Space is partnering with a leading company in the space-tech sector, which is on the lookout for a Principal Embedded Software Engineer Our … successful space missions across the solar system, with clients like NASA and ESA. With teams on three continents, they’re looking for a Principal Software Engineer to join them in their Surrey office. This is a rare chance to work on mission-critical software for cutting … edge satellite communications and onboard processing systems. 💡 Your Mission: As Principal Software Engineer, you'll: Lead the design and optimization of software for advanced satellite communication systems Define architecture and drive the development of embedded, real-time solutions Collaborate closely with systems engineers to integrate hardware More ❯

Join us to co-create solutions for a better future! Job Details Software Engineer Principal Software Engineer Plymouth, MN Posted: 4/1/2025 Job ID#: 60084 Job Category: Software Engineer Position Type: Contract Duration: Long Term Stefanini Group is hiring! Stefanini … is looking for Principal Software Engineer for Plymouth, MN location (Hybrid work). For quick Apply, please reach out to Vipul Bhardwaj- call: -8630/email: Open for W2 candidates only! Join as a Principal Software Engineer - Embedded Systems and make a real difference … boundaries of what's possible. As a key member of our R&D team, you'll be responsible for developing and maintaining the embedded software architecture and design for our lifesaving CRRT devices. You'll work collaboratively with cross-functional teams to create the best solutions possible, and mentor More ❯

Sr Principal Software Engineer page is loaded Sr Principal Software Engineer Apply locations: CAMBRIDGE Time type: Full time Posted on: Posted Yesterday Job requisition id: R49763 At Cadence, we hire and develop leaders and innovators who want to make an impact on the world … of technology. Cadence is a pivotal leader in electronic design, building upon more than 30 years of computational software expertise. The company applies its underlying Intelligent System Design strategy to deliver software, hardware and IP that turn design concepts into reality. Cadence customers are the world's most … to boards to systems for the most dynamic market applications including consumer, hyperscale computing, 5G communications, automotive, aerospace industrial and health. Job Title: Sr Principal Software Engineer Location: Cambridge, United Kingdom OR Cork, Ireland Reports to: Software Engineering Group Director Job Overview: We are seeking a More ❯

R- Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and … in National Security! This position is eligible for a $25,000 sign on bonus and offers 1 day per week work from home! The Principal Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely … sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design More ❯

Principal Software Engineer Berlin - Permanent Employee, Full-Time, Hybrid working (3 days a week on site) EUR120,000 - EUR150,000 + 20% Bonus + Holiday + Pension + Flexible Working Hours Excellent opportunity for an experienced Principal Engineer to step into a senior leadership role … largest university hospitals and technical universities. Their mission is to revolutionise the diagnosis and treatment of complex diseases by combining state-of-the-art software engineering, cloud infrastructure, and ML-driven insights. With a collaborative, fast-growing team and a supportive leadership culture, they are building high-impact technology … the technology, influencing more than 60 engineers and helping teams deliver scalable, secure, and reliable systems. The ideal candidate will be a master-level engineer with deep technical breadth, excellent mentoring skills, and experience making architectural decisions that span departments. You may have held titles such as Staff Engineer 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 you will take a lead role in the team responsible for their flagship SaaS insurance platform that handles 4 billion requests per month. The work is challenging and complex, you'll focus on delivering the evolution of backend services … 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 More ❯

Principal Software Development Engineer (C++) St. Neots, Cambridge, UK Software Engineering Full Time - Permanent Key information Full time - 40 hours a week St Neots, Cambridgeshire - hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will work within a multi-disciplinary team, embracing agile methodologies while mentoring Engineers. You'll create high-quality software solutions that meet the needs of our internal and external customers, always delivered on time and to an exceptional standard. This role allows you to dive into resolving … the opportunity to lead key projects, contribute to feature design, and help shape the architectural direction of our products. Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They More ❯

Principal Software Development Engineer (C++) St. Neots, Cambridge, UK Software Engineering Full Time - Permanent Key information Full time - 40 hours a week St Neots, Cambridgeshire - hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will work within a multi-disciplinary team, embracing agile methodologies while mentoring Engineers. You'll create high-quality software solutions that meet the needs of our internal and external customers, always delivered on time and to an exceptional standard. This role allows you to dive into resolving … the opportunity to lead key projects, contribute to feature design, and help shape the architectural direction of our products. Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They More ❯

Principal Software Engineer Location : Glasgow (Hybrid, 2 days in-office per week) Salary : £70,000 - £82,000 + 10% Corporate Bonus We are seeking a versatile and skilled professional Principal Software Engineer to join our clients' team in Glasgow, focusing on cybersecurity and mobile … application security. Responsibilities: Design, develop, and optimise software for multiple product areas. Conduct reverse engineering and debugging to assess vulnerabilities. Implement robust security measures such as encryption and code hardening. Mentor junior engineers and contribute to the technical roadmap. Collaborate with architects and other teams to deliver scalable solutions. More ❯

We uphold the integrity and quality of our work so you can expect only the best from us. RSC2 is currently looking for a Principal Software Engineer (JCAP) to join our growing team in Hanover, MD to support PM EW&C! Job Responsibilities: For Project Manager Electronic … Warfare & Cyber in support of the Joint Common Access Platform (JCAP) Program, the Principal Software Engineer collaborates with system users, requirements owners, and developmental contractors to translate operational requirements into software requirements, designs, and implementations. Participates in planning, coordinating, scheduling, directing, and controlling engineering and technical … support activities applicable to software development and integration of software tools/capabilities onto a variety of execution platforms. Participates in the development and execution of software and system test strategies. Reviews and assesses developmental contractor software code to ensure compliance with government-provided coding and More ❯

Role: Principal Software Engineer Location: Nottingham Working Arrangement: Hybrid, 3 days/week in office with flexibility around working hours Salary: Up to £90k Tech for Good Renewable Energy Are you ready to shape the future of a growing tech company in the renewable energy sector? With … a pivotal moment to join. Theyre embarking on an ambitious journey to enhance their product suite and launch cutting-edge greenfield projects. As a Principal Software Engineer, youll join the flagship product team with the core mission of making wind energy work for the world! Were looking … a high-impact engineer who can lead architectural design for new features and drive engineering standards across the department. Youll have the autonomy to influence technical direction while collaborating with some of the best engineers in the industry. Tech Stack: C#, .NET 9 React - open to Typescript & other SPA More ❯

Title : Principal Software Engineer Company : HPC R&D Location : London (Hybrid) Pay : Up to £150,000 Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Principal Software Engineer position with an emphasis on GPU compiler development in the context of AI. You will be working with Triton, but … edge compiler development project. Significant hires have already been made in the team to support this role. About you: 6 years+ as a compiler engineer Strong C++ programming skills Experience with Triton, LLVM, MLIR or other compilers Experience with GPU architectures Full details are available. Please don't hesitate More ❯

We are a technology-driven company building high-performing, scalable, and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on Principal Engineer who can code, design scalable systems … This role is perfect for a technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at least 60% hands … on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising cloud infrastructure and CI/CD pipelines If you thrive on solving complex technical challenges, leading by example, and More ❯

We are a technology-driven company building high-performing, scalable, and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on Principal Engineer who can code, design scalable systems … This role is perfect for a technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at least 60% hands … on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising cloud infrastructure and CI/CD pipelines If you thrive on solving complex technical challenges, leading by example, and More ❯

We are a technology-driven company building high-performing, scalable, and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on Principal Engineer who can code, design scalable systems … This role is perfect for a technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at least 60% hands … on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising cloud infrastructure and CI/CD pipelines If you thrive on solving complex technical challenges, leading by example, and More ❯

with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next … qualities and be enthusiastic to take on new problems as we continue to push technology forward. Responsibilities: Develops , maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon … documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the More ❯

professional development and continuous improvement while enjoying a casual work environment and Great Place to Work culture! Job Profile Summary We're seeking a Principal Software Engineer to lead our platform initiatives within Platform Services. In this role, you'll initially take ownership of our core identity … service that's critical to how consumers interact with Credit Acceptance, while helping shape the future of our platform services. As a principal-level engineer, you'll be responsible for the technical vision, architecture, and implementation strategy across an expanding portfolio of platform capabilities, collaborating with Originations and … However, this position is permitted to work at a Southfield, Michigan office location if requested by the team member Provide thought leadership and build software solutions that deliver high impact business value and deliver customer delight Lead the design and implementation of software solutions that are scalable, reliable More ❯

often at the leading edge of technology. Our clients choose Instil because we are seen as a cut above. We are looking for a Principal Software Engineer to join our growing business and play a pivotal role in leading the development of next-generation products that shift … the dial for our global customers. As a Principal Engineer, you will care about your craft and the success of our customers and their users. Most of your time will be spent writing code and leading teams to deliver business-critical outcomes successfully. You will also be a … to a team culture that values quality, robustness, and knowledge sharing. Need to have: A minimum of 8 years post-graduate experience in the software industry. Expertise in Java, Kotlin, Typescript, or C#. Expertise in React or Angular. Experience developing cloud-native solutions and modern frontend applications. Experience developing More ❯

Full time – 40 hours a week St Neots, Cambridgeshire – hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will work within a multi-disciplinary team, embracing agile methodologies while mentoring Engineers. You’ll create high-quality … software solutions that meet the needs of our internal and external customers, always delivered on time and to an exceptional standard. This role allows you to dive into resolving technical challenges, addressing technical debt, and continually improving your skills with dedicated “blue sky” time for professional development. You’ll … feature design, and help shape the architectural direction of our products. Join us and be part of something exciting! Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They More ❯

Full time – 40 hours a week St Neots, Cambridgeshire – hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will work within a multi-disciplinary team, embracing agile methodologies while mentoring Engineers. You’ll create high-quality … software solutions that meet the needs of our internal and external customers, always delivered on time and to an exceptional standard. This role allows you to dive into resolving technical challenges, addressing technical debt, and continually improving your skills with dedicated “blue sky” time for professional development. You’ll … feature design, and help shape the architectural direction of our products. Join us and be part of something exciting! Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They More ❯

Full time – 40 hours a week St Neots, Cambridgeshire – hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will work within a multi-disciplinary team, embracing agile methodologies while mentoring Engineers. You’ll create high-quality … software solutions that meet the needs of our internal and external customers, always delivered on time and to an exceptional standard. This role allows you to dive into resolving technical challenges, addressing technical debt, and continually improving your skills with dedicated “blue sky” time for professional development. You’ll … feature design, and help shape the architectural direction of our products. Join us and be part of something exciting! Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They More ❯

sector while providing a decisive advantage to the warfighter. Come be a part of our mission! Northrop Grumman Space Systems is seeking an experienced Software Engineer to join our team in the Payload and Ground Systems Division Engineering organization supporting the Integrated National Systems (INS) Business Unit (BU … C2) Phase 1B effort, which is expecting ATP on June 1, 2025. The start date is contingent upon ATP date and funding. As a Software Engineer, you will design, develop, document, refactor, test, and debug applications software for a Ground Segment. Ultimately, you will support the program … is full-time in the office. The qualified candidate must have and be able to maintain a DoD clearance. The successful candidate will have Software development experience, with the ability to digest changes and synthesize them into working designs, generate efficient code according to the specifications, and adapt to More ❯