Senior Full-Stack Developer

Posted 09 January 2026
Salary Competitive
LocationCambridgeshire
Job type Permanent
Discipline Software Engineering
Reference75780
Remote working Remote

Job description

Senior Full-Stack Developer
Remote

 
Are you a seasoned engineer passionate about building scalable, reliable cloud-native applications? Shape the Future of B2B SaaS Innovation as a Senior Full-Stack Developer, instrumental at a pivotal stage of growth. In this role, you’ll collaborate closely with senior leadership, influence technical strategy, and craft high-impact features across our multi-tenant SaaS platform. If you thrive in a fast-paced environment, love solving complex problems, and want to work at the intersection of cutting-edge AI and scalable architecture, this opportunity is for you.

What You’ll Do:
  • Design, develop, and deliver sophisticated features on our cloud-native SaaS platform, emphasizing scalability, security, and maintainability.
  • Take ownership of key areas of the codebase, guiding the full development lifecycle from design through deployment and monitoring.
  • Contribute to architectural decisions, especially around multi-tenant systems, event-driven architectures, and platform evolution.
  • Provide mentorship and thoughtful code reviews to uplift team quality and standards.
  • Collaborate daily with CTO, Principal Engineer, and cross-functional teams to refine requirements and technical solutions.
  • Leverage AI tools like Cursor and Claude Code to accelerate development and enhance code quality.
  • Ensure platform resilience, observability, and performance in production environments.
  • Lead technical discussions, document trade-offs, and help align engineering efforts across teams.

Who You Are:
  • A Senior Full Stack Engineer with 8+ years of experience designing and maintaining production SaaS applications.
  • Proficient in TypeScript & Node.js, with extensive hands-on experience in building scalable back-end services.
  • Skilled in modern front-end frameworks such as React or Angular, with a full-stack mindset.
  • Well-versed in SaaS architecture, especially multi-tenant, distributed, and cloud-native systems.
  • Experienced with relational and NoSQL databases like PostgreSQL, Redis, and DocumentDB/MongoDB.
  • Comfortable integrating AI-assisted development workflows and tools.
  • Demonstrates systems thinking, considering long-term maintainability, team velocity, and platform stability.
  • Bonus: Familiarity with LLMs and agentic systems (LangChain, AWS Bedrock), data pipelines (AWS Glue, ClickHouse), or related modern tech.

Preferred Education & Experience:
  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
  • 8+ years of professional experience in full-stack SaaS development in product-led environments.

Additional Requirements:
  • Ability to work remotely within UTC to UTC+8 time zones.
  • Strong communication skills and collaborative mindset.
  • Passion for continuous learning and innovation in AI and cloud-native architecture.

Step into a high-impact role where your work truly makes a difference. Embrace the opportunity to influence technical direction, work with a forward-thinking team, and grow your career.