Full-Stack TypeScript Developer – AI‑Enabled E‑Commerce

About the role

Threecolts is seeking a senior Full‑Stack TypeScript Developer to help build the next generation of AI‑driven e‑commerce platforms. You will work across both backend and frontend layers, shaping architecture, driving technical decisions, and delivering high‑quality features that power leading consumer brands.

Key responsibilities

• Lead technology selection, architecture design, and scalability planning.
• Design and implement robust features across the backend and frontend stacks.
• Identify and resolve performance bottlenecks in critical product areas.
• Maintain engineering standards through code reviews, testing, documentation, and continuous improvement.
• Reduce technical debt and improve system reliability, maintainability, and scalability.
• Promote best practices and mentor team members.
• Troubleshoot and resolve production issues and bugs.
• Collaborate with Product Owners and cross‑functional teams to define priorities and deliver business value.

Required profile

• 6+ years of professional software development experience.
• Strong expertise in TypeScript and building production‑grade web applications.
• Extensive backend experience, including API design, system architecture, and distributed systems concepts.
• Solid understanding of relational databases and advanced SQL.
• Focus on software quality, testing, security, and maintainability.
• Ability to independently drive technical initiatives and improve complex systems.
• Self‑motivated, proactive, and comfortable working in an ambiguous, fast‑moving environment.

Required skills

• TypeScript
• API design
• System architecture
• Distributed systems
• Relational databases
• SQL
• Software testing
• Security best practices