Principal Software Engineer jobs in Stevenage

Principal Software Engineer Cloud Engineering Scale-up c£100k North Scout are partnered with a fast-growing cloud engineering business that’s doubled revenues, expanded its technical team, and earned a strong reputation for delivering complex cloud programmes with pace and precision. They’re looking for a Principal Software Engineer to take a leading role across architecture, design and...

You will have the opportunity to develop and enhance your skills and knowledge, with the potential to lead into more senior positions within a global business

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 solutions. This is an opportunity to shape greenfield projects from the ground up - architecting...

Principal Software Engineer .NET £90,000-£100,000 Remote (UK) Are you passionate about writing clean, scalable code and ready to shape a platform used by merchants across the globe? We're working with a fast-growing global payment processing platform that’s scaling rapidly after a major acquisition. They are building a high-performance, merchant-first ecosystem that prioritises quality,...

Key details: Location: Remote, within the UK (with occasional travel to Milton Keynes, UK). Organisation: Oracle Cloud Infrastructure (OCI) – Strategic Customers Engineering. Requirements: Engineering experience at level of Principal, design/architecture with Java or similar. Experience with Cloud architecture, ideally OCI - or AWS/GCP/Azure could serve as an alternative Responsibilities:...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

We're partnering with a scaling infrastructure company that's fundamentally transforming how digital and physical components interact in the age of AI. Their core mission is to empower teams to build and deploy sophisticated systems by providing scalable, secure, and robust infrastructure solutions for development, deployment, and scaling. Essential experience is being a Go expert and experience...

About the company A rapidly growing SaaS business is seeking to expand its engineering team. They serve enterprise customers at scale and are building features that matter to millions of users worldwide. You’ll be joining a company where innovation, growth and doing things differently are strongly encouraged. The role As a Principal Full Stack Engineer, you will be instrumental in shaping the...

You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play a key role in shaping both our technology and the people around you. This is a chance to make a real impact across multiple products and help influence our engineering direction as we continue to grow.

Principal Developer (C# and Azure) required to lead architectural design and delivery across enterprise-scale Azure platforms. This hands-on technical leadership role involves shaping distributed systems and mentoring developers within a global travel and events technology environment. You’ll architect scalable microservices, drive Azure best practices, and guide product-aligned teams across the...

Job Description Stevenage As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take on a variety of roles in support of MBDA's Vision 2040. Salary: Circa £55,000 depending on experience Dynamic (hybrid) working: 3-4 days per week on-site due to workload...

You will play a pivotal role in shaping the civil functions throughout the lifecycle of various projects. From concept design to commissioning, you will ensure that all civil aspects are meticulously considered and integrated. The role of a Principal Civil Engineer includes:

You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their workflow. You’ll lead a cross-functional team of 8–10 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine.

You will take ownership of mission critical infrastructure, lead strategic initiatives, and mentor a team of engineers, acting as a champion for agile delivery automation and consistent Cloud deployment.

You should bring a broad range of experience in modern cloud stacks and a passion for developing new technical skills.

Senior Design Engineer / principal Design Engineer We are seeking a Senior Design Engineer / Principal Design Engineer to join a leading name in the construction and engineering industry to be based in Hertfordshire on a hybrid basis. The successful candidate will play a crucial role in the design of complex engineering projects, providing technical leadership and ensuring that our projects meet...

You will translate big ideas into shippable, high quality products by collaborating closely with engineers and designers to solve complex challenges.

You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React.

You will benefit from team retreats and a professional growth budget to support your development.

Principal Electrical Engineer Location: Remote, UK Wide Salary: up to £85,000 (based on experience) Position: Permanent My client is an international engineering firm with teams and projects across the UK and Europe. They supply HV control & protection products alongside, electrical design, HV engineering and installation services to the leading electricity TSOs and DNOs across the UK. As a...

A fantastic opportunity has arisen for experienced Principal Test Development Engineer to contribute to the design, integration and validation of test system hardware solutions, joining our highly skilled and dynamic Test Equipment Design Team. We can offer you a stimulating and rewarding role coupled with an exciting career path! Salary : Circa £55,000 depending on experience Location :...

You will contribute to the delivery of concept studies and strategies with hands on design, leading to planning applications or construction drawing issue.

You will have proven experience and an interest in helping the junior members of the team in producing designs.

You will have strong post graduate experience in a civil engineering working environment.

Job Description A fantastic opportunity has arisen for experienced Principal Test Development Engineer to contribute to the design, integration and validation of test system hardware solutions, joining our highly skilled and dynamic Test Equipment Design Team. We can offer you a stimulating and rewarding role coupled with an exciting career path! Salary : Circa £55,000 depending on...