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Technical Lead, Applications

Bjak
United KingdomRemote Today

Company

A1 is building a proactive AI smart assistant for everyday users to bring intelligence to conversations, errands, organising and workflows.

Our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. The system must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior.

Role

As Technical Lead, Applications, you directly own the core application architecture that connects AI systems to real-world user experiences. You are responsible for the design, reliability, and evolution of backend services, APIs, and client integrations across mobile and desktop.

This is a hands-on leadership role. You stay close to the code, make critical architectural decisions, and ensure the system remains fast, reliable, and coherent as it scales.

Focus

  • Own the application engineering strategy and execution across backend, mobile, and desktop.

  • Lead and grow a small, senior applications team, including backend, mobile, and desktop engineers.

  • Ensure production-grade reliability: observability, monitoring, retries, fallbacks, and failure handling.

  • Set the architectural direction for AI-powered product workflows, APIs, and client integrations.

  • Ensure AI capabilities are integrated into the product with clear abstractions, predictable behavior, and graceful failure modes.

  • Partner closely with Machine Learning leadership to translate model capability into shippable product features.

  • Make high-impact decisions across latency, cost, reliability, security, and user experience.

  • Establish a strong execution culture through code reviews, design reviews, and hands-on technical leadership.

  • Ensure production readiness: observability, monitoring, retries, fallbacks, privacy, and cost controls.

  • Balance speed and discipline – shipping quickly without compromising long-term system quality.

Ideal Experiences

  • Significant experience leading application or product engineering for complex systems.

  • Strong hands-on background building and shipping backend systems used in production.

  • Experience delivering AI-powered products, with a deep understanding of model integration trade-offs.

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About the company

Bjak

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Himalayas

himalayas.app