AI/Data Builder: Ship Trusted AI Products

Mekari; Jakarta Pusat; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

Mekari in Jakarta seeks an AI/Data Builder to own AI/ML, LLM, data products, and end-to-end features. You will ensure probabilistic behavior quality, data quality, model behavior, and guardrails while shipping useful, safe AI capabilities.

Stay close to users, ship and measure impact, collaborate with Platform and Product Builders, and continuously improve prompts, models, and data pipelines based on real usage.

Qualifications

• 2-3+ years in full-stack engineering or AI/data product development.
• Experience building AI/data-powered features and services.
• Ability to design evaluation datasets and guardrails.
• Knowledge of grounding, hallucination control, and trust.
• Strong collaboration with product and platform teams.

Responsibilities

• Define and ship AI/data capabilities that are useful, safe, and measurable.
• Stay close to user workflows to set 'good' vs. 'unacceptable' AI behavior.
• Build AI services, ML models, LLM workflows, and data pipelines.
• Configure prompts, retrieval logic, and model settings.
• Validate quality with eval sets, golden datasets, and human review.
• Manage risk: latency, cost, privacy, drift.

Skills

AI/ML development

LLM & RAG

Data pipelines

Model evaluation

Guardrails & safety

Prototyping & shipping

User-centered design

Tools

Python

TensorFlow/PyTorch

SQL/BigQuery

Jupyter

Job description

Mekari in Jakarta seeks an AI/Data Builder to own AI/ML, LLM, data products, and end-to-end features. You will ensure probabilistic behavior quality, data quality, model behavior, and guardrails while shipping useful, safe AI capabilities.

Stay close to users, ship and measure impact, collaborate with Platform and Product Builders, and continuously improve prompts, models, and data pipelines based on real usage.