Technical Lead, Applications

About the Company

A1 is building a proactive smart assistant for everyday users to bring intelligence to conversations, errands, organizing, and workflows. The mission is to create AI-native applications that handle multi-step reasoning and real-world task completion with high reliability.

Responsibilities

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

Requirements

• Significant experience leading application or product engineering for complex systems.
• Strong hands-on background building and shipping production-grade 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.