Senior/Staff Software Engineer, AI

About the Company

Engineering is central to how we build the business at Fonoa. We focus on solving real customer problems in small, high-trust teams with full ownership across the lifecycle, from design to production.

Responsibilities

• Build AI-powered product features that feel native, fast, and intuitive
• Partner with product and design to prototype intelligent workflows and user interactions
• Design backend services powering natural language interfaces and agentic systems
• Optimize prompts, shape model behaviour, and improve evaluation pipelines
• Build and evolve internal and external agent platforms
• Continuously experiment and improve AI systems in production

Requirements

• 5+ years building customer-facing products at a high-quality software company
• Deep understanding of LLMs, prompt engineering, and agent frameworks
• Experience with RAG architectures and model evaluation
• Strong track record of delivering complex, end-to-end product features
• Ability to operate in fast-moving, ambiguous environments
• Strong product and engineering instincts

Preferred Qualifications

• Knowledge of AI safety and security practices
• Experience with Node.js, Go, React, or TypeScript