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Mai Labs

Senior Fullstack Engineer

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Description

We are looking for a Lead Full Stack Engineer who thrives on building products from the ground up and continuously shipping new features. This role is backend-heavy, requiring deep expertise in Node.js and distributed system design, while also contributing across the stack. You will architect, build, and scale core platform capabilities while staying deeply hands-on. You'll shape system design, raise the engineering bar, and mentor developers - all while consistently delivering high-quality, production-ready features.


Responsibilities:

  • Design, build, and continuously ship product features across the stack with a strong backend focus.
  • Architect scalable backend systems, RESTful/ GraphQL APIs, and microservices using Node.js, Express.js, and Next. JS.
  • Lead system design and architectural decisions for complex modules, including database modelling and third-party service integrations.
  • Strong expertise in modern frontend technologies, including JavaScript/TypeScript, React.js/Next.js, with hands-on experience in building scalable, high-performance user interfaces.
  • Champion engineering excellence through rigorous code reviews, technical mentorship, and continuous system optimisation.
  • Collaborate cross-functionally with product, design, and infrastructure teams to drive end-to-end feature ownership.

Requirements:

  • 6+ years of experience building production-grade applications using Node.js, with strong expertise in backend development.
  • Proven track record designing scalable architectures, distributed systems, and high-performance APIs.
  • Strong hands-on experience with PostgreSQL: schema design, query optimisation, and indexing strategies.
  • Experience with cloud environments (AWS or Azure) and CI/CD-driven development workflows.
  • Bachelor's degree in Computer Science or a related field (Master's is a plus).

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