Lead Full Stack Software Developer

We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced technical lead full stack developer to play a key role in shaping and delivering their next generation of customer-facing platforms.

This is a hands-on technical leadership role where you'll be involved from early design through to production delivery, working with a modern cloud-based stack and deploying to live environments on a daily basis.

The Role

• Lead technical delivery across a high-performing development squad (10+)
• Contribute to solution design, system architecture and domain modelling
• Build proof-of-concepts and spike complex or uncertain areas of work
• Break down requirements into deliverable epics and user stories alongside product and initiative managers
• Develop and deliver production-ready code across the full stack
• Ensure high standards of quality, maintainability, performance and security
• Support and improve live systems once deployed
• Influence technical direction, tooling and best practice across the wider engineering function

Tech Environment

You'll work with a modern stack including:

• Node.js microservices
• JavaScript & TypeScript
• Vue.js
• Redis, SQL Server & Snowflake
• AWS cloud infrastructure
• CI/CD pipelines and DevSecOps practices

• Strong full stack development experience (ideally 10+ years)
• 5+ years of JavaScript and TypeScript experience
• Solid background in system design and scalable architectures
• Experience building large, production SaaS platforms
• A clean-code mindset (SOLID principles, design patterns, testable code)
• Experience working in mature CI/CD and continuous deployment environments
• A commercial mindset when designing and delivering software
• Excellent collaboration skills and confidence working with stakeholders
• Interest in using AI to accelerate and improve software development
• A passion for performance, security and engineering best practice
• Degree in Computer Science or equivalent real-world experience

• Competitive salary and benefits package
• Hybrid working (1 day per week in the Fareham office)
• Opportunity to join a scaling UK SaaS business
• Strong engineering culture with a focus on quality and continuous improvement
• Supportive, collaborative working environment
• Community and charity initiatives, including volunteer days

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy., Established in 2008, Spectrum IT is a leading Software and Technology specific recruitment agency, providing permanent and contract IT resource for businesses. Our team of around 30 employees are based on the University of Southampton Science Park, a key hub for technology on the South Coast. Who We Can Help Spectrum IT works with a wide cross section of businesses, from start-ups to multinationals. 95% of placements are within Software focused businesses, or where Software is key to the business model. Typically, around 200 different businesses are supported annually, with more than 900 candidates placed. How We Work We bring together talented IT professionals with businesses of all sizes. Our extensive experience can help your business with single hires right through to building large software development project teams of 50+. Regular engagement with the IT community enables us to keep up to date with the ever-changing IT landscape.