Senior Software Engineer, Billie AI team

Key responsibilities What you'll do - Build and improve AI voice and chat agents that handle thousands of patient conversations every day. - Work on real-time systems where low latency, high concurrency, and reliability are critical. - Develop AI-powered cost estimation algorithms using LLMs and statistical analysis of historical data. - Analyze production data, identify patterns, form hypotheses, test hypotheses, improve accuracy. - Design backend systems that handle high traffic, external integrations, and complex workflows. - Own features end to end. From understanding the business problem to implementation, production monitoring, and measuring results. - Build metrics and dashboards to understand how our products perform and where they need improvement. - Make pragmatic engineering decisions. Know when to move fast and when correctness and reliability cannot be compromised. - Challenge product ideas, propose better solutions, and defend your decisions with data and business reasoning. Required qualifications What we're looking for - Strong Python and PostgreSQL experience. - Solid system design skills. Ability to make and explain architectural decisions. - Experience with data analysis, SQL, and building metrics to support decisions. - Experience using AI coding tools in your daily workflow. - Strong product and business thinking -- Ability to understand business requirements, evaluate trade-offs, and make decisions based on customer and business impact. - End-to-end ownership -- Experience taking projects from initial requirements through design, implementation, deployment, and measuring results. Nice to have - Experience writing and evaluating prompts for production AI systems. - Experience building AI-powered products. Originally posted on Himalayas