Principal Backend Engineer, Go, PostgreSQL

• Build and improve customer-facing features in a multi-tenant Go and PostgreSQL backend
• Connect CRMs, conversations, and support systems to produce reliable account intelligence
• Build AI workflows that analyse information, take permissioned actions, and maintain an auditable record
• Decide what an LLM should judge and what application code should calculate and store
• Make workflows safe to rerun and detect drops in output quality
• Keep features reliable and responsive across workspaces with 100 to 100,000 accounts
• Support production operations across AWS, Docker, enterprise, and on-premise deployments
• In the first 30 days, ship 2–3 fixes per week and 1–2 improvements to existing features
• Within 3–6 months, own a major new capability from an unclear request to a regularly used customer feature
• Potential areas include intelligence pipelines, CSM agents, renewal automation, and expansion signals

• Minimum 8 years of backend engineering experience at product-based organisations, including real startup experience
• Strong hands-on experience building production services in Go
• Ability to design PostgreSQL databases, debug queries, and resolve performance issues
• Experience shipping a customer-facing product that uses LLMs to make judgments, beyond a prototype or demo
• Experience owning a service or feature end to end, including reliability and production issues
• Ability to turn unclear customer problems into working solutions independently
• Regular use of AI tools to build products and write clean, maintainable code
• Experience working close to users and improving products through customer feedback
• Candidate currently working at a product based organisation is a must
• Candidates who can join within 30 days are sought
• Must be a citizen of India and currently based in India
• Public GitHub profile, side project, or technical blog is a strong plus
• Technical interview rounds covering Programming, System Design, and AI Tool Use
• Take-home assignment

• Full-time contractor engagement with FunnelStory
• The company will not make any deductions from agreed compensation
• Remote work arrangement