Technical Lead, Applications

About the Company

A1 is on a mission to build a proactive smart assistant for everyday users, bringing intelligence to conversations, errands, organizing, and workflows. The product focuses on high reliability for long-running workflows, persistent context, and real-world task completion.

Responsibilities

• Own the application engineering strategy and execution across backend, mobile, and desktop
• Lead and grow a small, senior applications team of engineers
• Ensure production-grade reliability through observability, monitoring, retries, and failure handling
• Set architectural direction for AI-powered product workflows, APIs, and client integrations
• Partner with Machine Learning leadership to translate model capabilities into shippable features
• Make high-impact decisions regarding latency, cost, reliability, security, and user experience
• Establish a strong execution culture through code and design reviews

Requirements

• Significant experience leading application or product engineering for complex systems
• Strong hands-on background building and shipping production backend systems
• Experience delivering AI-powered products and understanding model integration trade-offs
• Excellent system design skills across services, APIs, clients, and data flows
• Ability to operate across multiple platforms including backend, mobile, and desktop
• Proven ability to make high-impact technical decisions under ambiguity
• Strong bias toward shipping, iteration, and learning from real-world usage