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Bjak

LLM Application Engineer

Bjak
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about 4 hours ago
Seoul, Korea, SouthSenior

Responsibilities

  • Build and ship LLM-powered applications and AI agent workflows.
  • Design systems for reasoning, planning, memory, tool use, and multi-step execution.
  • Build reliable orchestration pipelines that make probabilistic model outputs predictable, observable, and safe.
  • Integrate LLMs with APIs, databases, search, internal services, and external tools.
  • Develop prompting, context engineering, structured outputs, and tool-calling techniques to improve model behavior.
  • Build evaluation frameworks and datasets to measure AI quality, reliability, and regressions.
  • Debug AI systems across model behavior, prompts, orchestration, backend services, and product UX.
  • Optimize AI systems for quality, latency, and cost.
  • Work with product and engineering teams to turn ambiguous product problems into working AI solutions.
  • Establish production practices for observability, tracing, experimentation, evaluation, and continuous improvement.

Requirements

  • Strong software engineering fundamentals and experience building AI-powered applications.
  • Hands-on experience with LLMs, generative AI, or agent-based systems.
  • Experience designing prompts, workflows, evaluations, or AI behavior.
  • Ability to write clean, production-quality code.
  • Comfort working across model, system, and product abstraction layers.
  • Strong problem-solving skills in ambiguous, fast-moving environments.
  • Bias toward shipping, iteration, and continuous improvement.

Tech Stack

Categories

Bjak

About Bjak

201-500 employees

Our mission is to develop technology based solutions to improve financial inclusion. We develop new & innovative platforms & services globally. For example, we are the first platform to simplify and digitise comprehensive life and medical insurance, supported by AI agent. BJAK is the largest insurance platform in Southeast Asia. If you enjoy building cutting edge platform-ecosystems that gives equal access to financial services to everyone at scale, join us.