Bjak

AI Phone - AI Systems / Agent Architect

Bjak
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1 day ago
Seoul, Korea, SouthStaff+

Responsibilities

  • Define the overall AI architecture for the phone.
  • Design agent interactions with the operating system and applications.
  • Define agent runtime and orchestration architecture.
  • Design context and memory systems for understanding user activities, preferences, and ongoing tasks.
  • Define multi-step workflow execution across applications.
  • Design long-running task execution, state management, and recovery mechanisms.
  • Define routing between on-device and cloud models and evaluate local versus remote AI capabilities.
  • Work with Android engineers on interfaces for system-level AI execution.
  • Establish reliability, observability, and evaluation standards.

Requirements

  • Strong backend and distributed systems engineering experience.
  • Experience building production AI agent systems or complex orchestration systems.
  • Strong understanding of LLMs, tool calling, structured outputs, and agent execution.
  • Experience with stateful workflows and multi-step task execution.
  • Experience with context engineering, retrieval, and memory systems.
  • Strong system design and architecture skills.
  • Ability to work across backend, AI, and platform engineering.
  • Experience with AI assistants or agent platforms is preferred.
  • Experience with long-running autonomous workflows is preferred.
  • Experience with model routing and inference optimization is preferred.
  • Experience with on-device AI or hybrid local/cloud architectures is preferred.
  • Experience with permission-aware tool execution and agent security is preferred.
Bjak

About Bjak

201-500 employees

Bjak builds an online insurance marketplace for consumers in Malaysia and Southeast Asia, enabling comparison and purchase of car, health, life, and travel policies. Its business model is aggregator-based, earning commissions and fees from insurers and partners while streamlining digital applications and renewals. Founded in 2019 and headquartered in Selangor, it is privately held and is expanding from insurance comparison into broader fintech services via a planned finance super app.

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