Senior Full-Stack Tech Lead - AI, SaaS & Cloud

Spectrum IT Recruitment; Southampton; Hybrid; GBP 80,000 - 100,000; Full time

Benefits offered by this job

Hybrid work model

Competitive salary and benefits

Job summary

Spectrum IT Recruitment is seeking a senior full-stack engineer to lead delivery across a high-performing team in the UK. The role focuses on scalable cloud-native SaaS platforms, with emphasis on clean code, design patterns, and secure architectures.

You will mentor a squad, shape system design, and drive production-ready features end-to-end, using modern tooling and AI-assisted development in a hybrid UK setup.

Qualifications

• 10+ years of strong full stack development experience.
• 5+ years of JavaScript and TypeScript experience.
• Solid background in system design and scalable architectures.
• Experience building large, production SaaS platforms.
• Clean-code mindset including SOLID principles and design patterns.
• Experience in mature CI/CD and deployment environments.
• Commercial mindset when designing and delivering software.
• Excellent collaboration with stakeholders, proactive and visible.
• Interest in using AI to accelerate software development.
• Passion for performance, security and engineering best practice.

Responsibilities

• Lead technical delivery across a high performing squad of 10+ developers.
• Contribute to solution design, system architecture and domain modelling.
• Build proofs-of-concept and tackle complex work areas.
• Break down requirements into epics and user stories with product managers.
• Develop and deliver production-ready code across the full stack.
• Maintain high quality, performance, security and maintainability.
• Support live systems post-deployment and monitor health.
• Influence technical direction, tooling and best practices.

Skills

Full stack development

JavaScript/TypeScript

System design

Production SaaS

SOLID principles

CI/CD

Stakeholder collaboration

AI in software

Performance & security

Degree in CS or equivalent

Education

Bachelor's degree in Computer Science

Tools

NodeJS

Vue

AWS

TypeScript

SQL

Redis

Snowflake

CI/CD tooling

Job description

Spectrum IT Recruitment is seeking a senior full-stack engineer to lead delivery across a high-performing team in the UK. The role focuses on scalable cloud-native SaaS platforms, with emphasis on clean code, design patterns, and secure architectures.

You will mentor a squad, shape system design, and drive production-ready features end-to-end, using modern tooling and AI-assisted development in a hybrid UK setup.