Senior AI Product Engineer & Architect

Join; Denpasar; On-site; IDR 669,600,000 - 1,116,000,000; Full time

Benefits offered by this job

Salary in IDR

Equity 0.5–1%

Job summary

Kulu is seeking a Lead AI Product Engineer to own the AI product and technical direction. This is a hands-on role: you will lead engineers, make architectural decisions, review work, and ship features yourself when needed.

You will work on real-time AI agents that interact with users, shaping both system design and product outcomes. The role emphasizes deep product judgment, strong code skills, and close collaboration with a high‑performance team in Bali.

Qualifications

• Exceptional software engineering fundamentals with production apps using modern LLMs.
• Strong intuition for LLM behavior and prompt design; multi‑step AI systems.
• Excellent product judgment and deep reasoning about complex system behavior.
• Experience with asynchronous, distributed or real‑time apps; API/backends.
• Ability to understand a large production codebase and architectural judgment.
• High agency with leadership experience; clear communication, mentorship.
• Fluent/Advanced English; professional communication in a predominantly English environment.

Responsibilities

• Design and evolve production agent architecture: LLMs, multi‑agent orchestration, state management, prompts, reliability.
• Define agent behavior and translate judgments into prompts and architecture.
• Trace and fix root causes in asynchronous agent workflows and encode learnings.
• Own technical direction of the agent: orchestration, deterministic vs LLM decisions, real‑time signals.
• Hands‑on building: read production code, review PRs, debug failures, ship improvements.
• Lead engineers: ownership, guidance, performance reviews, hiring needs, mentorship.

Skills

Software engineering

LLM experience

Prompt design

System architecture

English proficiency

Leadership

Job description

Kulu is seeking a Lead AI Product Engineer to own the AI product and technical direction. This is a hands-on role: you will lead engineers, make architectural decisions, review work, and ship features yourself when needed.

You will work on real-time AI agents that interact with users, shaping both system design and product outcomes. The role emphasizes deep product judgment, strong code skills, and close collaboration with a high‑performance team in Bali.