AI & Data Products Engineer

Mekari; Indonesia; On-site; IDR 300,000,000 - 540,000,000; Full time

Job summary

Mekari is seeking an AI/Data Builder to own AI, ML, LLM, data, and non-deterministic system quality. You will stay close to users, ship end-to-end AI/data products and guardrails, and continuously improve models and pipelines while ensuring trusted, measurable outcomes.

Responsibilities include aligning with user workflows, building AI services, managing prompts, evaluating behavior with robust tests, and collaborating with Platform/Product teams to ensure release readiness and responsible

Qualifications

• 2-3+ years in full-stack engineering or applied software development using AI/data use cases.
• Experience with AI, ML, LLM, RAG, data, analytics, and intelligent product systems.
• Proficiency in prompt, context, retrieval, model, orchestration, and data-system design.
• Experience with data pipelines, data quality, freshness, lineage, completeness, and correctness.
• Demonstrated ability with evaluation design, golden datasets, regression evals, scenario tests, and human review.
• Working knowledge of grounding, hallucination control, refusal behavior, guardrails, safety, and trust.
• Experience monitoring for drift, quality degradation, latency, cost, user feedback, and production behavior.
• Track record shipping AI/data-powered products, features, modules, workflows, services, or decision-support capabilities.
• Preferred: collaboration with Platform Builders on agentic build workflows; risk tolerances for non-deterministic systems.

Responsibilities

• User & product alignment: define good vs. unacceptable AI behavior for the use case.
• Build & ship: develop AI services, ML models, LLM workflows, data pipelines, and model integrations as real product capabilities.
• Configure & construct: own prompts, retrieval logic, model configs, orchestration flows, and data transformations.
• Validate quality: test behavior through eval sets, golden datasets, scenario/adversarial tests, regression evals, and human review.
• Manage risk: handle grounding, hallucination, bias, privacy, latency, cost, and drift concerns.
• Release responsibly: ship with guardrails, fallbacks, monitoring, and human-in-the-loop controls.
• Iterate: continuously improve prompts, models, and pipelines based on usage data.
• Cross-functional collaboration: partner with Platform Builders and Product Builders for release readiness.

Skills

AI/ML systems

LLM / Prompt engineering

Data pipelines

Evaluation design

Guardrails & safety

Job description

Mekari is seeking an AI/Data Builder to own AI, ML, LLM, data, and non-deterministic system quality. You will stay close to users, ship end-to-end AI/data products and guardrails, and continuously improve models and pipelines while ensuring trusted, measurable outcomes.

Responsibilities include aligning with user workflows, building AI services, managing prompts, evaluating behavior with robust tests, and collaborating with Platform/Product teams to ensure release readiness and responsible