Technical Lead Full Stack Engineer

Principal Engineer / Lead Full Stack Engineer

Remote - Hybrid. UK Only. 4-6 office visits per year.

We're partnering with a high-growth UK SaaS business that is investing heavily in its engineering function and looking for an experienced Principal or Lead Engineer to help shape the future of its customer-facing platforms.

This is a hands‑on technical leadership role where you'll work closely with Product, Engineering and Business stakeholders to design, build and scale modern software solutions used by thousands of customers.

Working within a mature engineering environment, you'll help drive architectural decisions, influence engineering standards, mentor developers and lead the delivery of high-quality software across a modern cloud‑based platform.

• Type Script
• Node.js
• Microservices
• Redis
• SQL Server & Single Store
• AWS
• CI/CD & Dev Sec Ops

• Leading solution design, architecture and technical decision-making
• Collaborating with Product teams to shape requirements and delivery plans
• Building and deploying production software in a fast‑paced environment
• Driving engineering best practices, code quality and maintainability
• Supporting systems in production and improving platform performance
• Acting as a senior technical leader within an AI‑enabled engineering environment

• Strong commercial experience with Type Script and modern JavaScript development
• Previous experience in a Staff Engineer, Principal Engineer, Lead Engineer or Senior Technical Leadership role
• Experience building and scaling SaaS or product‑led platforms
• Strong understanding of software architecture, design patterns and clean code principles
• Experience working in cloud‑native, CI/CD and Dev Sec Ops  environments
• Passion for engineering excellence, mentoring others and solving complex technical challenges
• Interest in AI‑assisted software development and modern engineering practices

• Competitive salary (£80k‑£100k) plus benefits
• Flexible remote‑first working with limited onsite requirements
• Significant technical influence across products and platform direction
• Modern engineering culture focused on quality, innovation and continuous improvement
• Opportunity to join a successful and growing UK technology company at an exciting stage of growth

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.