Senior Software Engineer (AI)

Location: Remote, Belgrade, Serbia

Salary: $84,000–$108,000 per year

Company

hirify.global develops products that use AI voice and chat agents to handle patient conversations and support cost estimation.

What you will do

• Build and improve AI voice and chat agents handling thousands of patient conversations daily.
• Develop real-time systems with low latency, high concurrency, reliability, high traffic, external integrations, and complex workflows.
• Develop AI-powered cost estimation algorithms using LLMs and statistical analysis of historical data.
• Analyze production data, identify patterns, form and test hypotheses, and improve accuracy.
• Own features end to end, from understanding business requirements through implementation, production monitoring, and measuring results.
• Build performance metrics and dashboards, and make engineering and product decisions based on data, customer impact, and business reasoning.

Requirements

• Strong experience with Python and PostgreSQL.
• Solid system design skills and the ability to make and explain architectural decisions.
• Experience with data analysis, SQL, and building metrics to support decisions.
• Experience using AI coding tools in daily workflow.
• Strong product and business thinking, including understanding business requirements, evaluating trade-offs, and making 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.

Culture & Benefits

• Full-time remote work.
• Pragmatic engineering decisions balance delivery speed with correctness and reliability.
• Features are owned from initial requirements through production measurement.