14 of 14 Permanent Principal Software Engineer Jobs in London

Principal Software Engineer Location: London - 1x a month Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous

Principal Software Engineer Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous

Principal Software Engineer Location: London - 1x a month Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital

Principal Software Engineer - Frontend London (Remote First - Occasional travel) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking a talented Principal Frontend Software Engineer to help build and scale cutting-edge digital … ensure reliable, scalable solutions. What do I need to be successful: Degree in Computer Science or equivalent hands-on experience. 7+ years in frontend software development, including experience in a lead or principal engineering capacity. Deep expertise in React, TypeScript, and modern frontend architecture (state management, component design

Snowflake services. It is also responsible for providing the foundation of global features like cross-region replication, data sharing, and data marketplace. AS A PRINCIPAL SOFTWARE ENGINEER - METADATA, YOU WILL: Solve real business needs at large scale by applying your software engineering and analytical problem solving … system and solve them. Ensure operational readiness of the services and meet the commitments to our customers regarding availability and performance. OUR IDEAL PRINCIPAL SOFTWARE ENGINEER WILL HAVE: 14+ years industry experience designing, building and supporting large scale systems in production. Strong computer science fundamentals including data

Snowflake services. It is also responsible for providing the foundation of global features like cross-region replication, data sharing, and data marketplace. AS A PRINCIPAL SOFTWARE ENGINEER - METADATA, YOU WILL: Solve real business needs at large scale by applying your software engineering and analytical problem solving … system and solve them. Ensure operational readiness of the services and meet the commitments to our customers regarding availability and performance. OUR IDEAL PRINCIPAL SOFTWARE ENGINEER WILL HAVE: 14+ years industry experience designing, building and supporting large scale systems in production. Strong computer science fundamentals including data

Principal Software Engineer - Frontend London (Remote First - Occasional travel) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking a talented Principal Frontend Software Engineer to help build and scale cutting-edge digital

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make … working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. Responsibilities Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability.

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make … working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. Responsibilities Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability.

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make

that operate in extreme environments, support mission-critical operations, and push the limits of what embedded intelligence can do. They’re looking for a Principal Embedded Software Engineer who thrives on deep technical challenges, works confidently across low-level software and hardware boundaries, and is motivated … seeing their work deployed in demanding, real-world conditions. This is a role for an engineer who loves technical problems, values autonomy, and wants to shape technologies deployed directly with customers, not just in a controlled lab. What You’ll Be Working On Solving complex challenges across the embedded

that operate in extreme environments, support mission-critical operations, and push the limits of what embedded intelligence can do. They’re looking for a Principal Embedded Software Engineer who thrives on deep technical challenges, works confidently across low-level software and hardware boundaries, and is motivated … seeing their work deployed in demanding, real-world conditions. This is a role for an engineer who loves technical problems, values autonomy, and wants to shape technologies deployed directly with customers, not just in a controlled lab. What You’ll Be Working On Solving complex challenges across the embedded