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# Principal Software Engineer

- **Company:** Clientwe're
- **Location:** Warrington, UK
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Computing, Cloud Engineering, Continuous Integration, DevOps, Node.Js, Software Architecture, Next.js, Data Streaming, Systems Integration, TypeScript, Working Model 2D, Google Cloud, ReactJS, Backend, Api Design
- **Published:** June 6, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/38361272/

## About the Role

KEY POINTSPrincipal-level position with significant technical ownershipLeading the design and development of a modern platform rebuildStrong focus on Node.js, TypeScript, React and cloud technologiesOpportunity to shape engineering standards, architecture and AI adoption

## Description

ABOUT THE CLIENTWe're supporting an established, technology-driven organisation that is investing heavily in the future of its engineering function. Following continued growth and a major platform transformation programme, they are looking to appoint a Principal Software Engineer to play a key role in defining both the technical direction and engineering culture of the business.
This is an opportunity to join at a pivotal stage, working within a highly experienced team that values innovation, collaboration and modern software engineering practices.
THE ROLE:This is a highly influential technical leadership role where you'll help shape the future of a modern, large-scale platform whilst remaining hands-on with development.
You'll lead the design and delivery of scalable backend services, APIs, integrations and data flows, whilst providing architectural guidance across the wider engineering team. Although the role is backend-focused, you'll also maintain strong involvement across the full stack, working with modern frontend technologies and cloud infrastructure.
Working closely with senior stakeholders, product teams and fellow engineers, you'll help establish engineering standards, drive adoption of AI-assisted development practices, and mentor other engineers as the team continues to grow.
This role offers genuine autonomy, giving you the opportunity to influence technology decisions, engineering processes and long-term platform strategy.
ESSENTIAL SKILLSStrong commercial experience with Node.js and TypeScriptExperience with React and Next.jsProven track record designing and delivering scalable software architecturesCloud experience across Azure, AWS or GCPStrong understanding of API design, integrations and distributed systemsExperience mentoring engineers and providing technical leadershipPassion for modern engineering practices and AI-assisted developmentExcellent stakeholder management and communication skills
THE BENEFITSHybrid working model with two office days per weekAnnual training and conference budgetPrivate healthcareCompany bonus schemeInvestment in modern tooling and AI-powered development platformsOpportunity to influence technical strategy at a senior levelClear progression and long-term career development
TO BE CONSIDERED:Please either apply through this advert or email me directly via For further information please call me on 01244 567 567 / 07880 358 148.By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.
KEY SKILLSPrincipal Engineer, Full Stack Engineer, Node.js, TypeScript, React, Next.js, Azure, AWS, GCP, Software Architecture, Cloud Engineering, API Development, Technical Leadership, Platform Engineering, AI Development Tools, CI/CD


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