AI Platform Engineer: End-to-End Inference & Delivery

Mekari; Jakarta Pusat; On-site; IDR 279,000,000 - 502,200,000; Full time

Job summary

Mekari in Jakarta is seeking a backend/ML platform engineer to design high‑concurrency REST/streaming APIs, implement authentication and tenant isolation, and shape the platform that powers our AI‑driven services.

You will deliver versioned model drivers, routing policies, observability dashboards, and cost controls, collaborating across product teams to improve routing, safety, and performance while maintaining clear technical documentation.

Responsibilities

• API & Platform Architecture: Design high-concurrency REST/streaming APIs, handle auth (OAuth2), RBAC, tenant isolation, fallbacks, metering, and PostgreSQL data modeling.
• Model & Agent Delivery: Integrate provider/self-hosted models, maintain versioned capability catalogues, and build lightweight, task‑specific models and agent drivers.
• Routing & Optimization: Run policy‑aware routing, run benchmarks across prompt/output variations, and optimize throughput, latency, and token economics.
• Evaluation & Safety: Partner with experts to curate task datasets, set release thresholds, run baseline comparisons, and deploy shadow/staged releases safely.
• Operations & Governance: Maintain observability dashboards, alerts, runbooks, cost controls, tenant data privacy, clear technical documentation, and code quality.

Skills

API design

Platform architecture

RBAC

OAuth2

PostgreSQL

Tools

PostgreSQL

Job description

Mekari in Jakarta is seeking a backend/ML platform engineer to design high‑concurrency REST/streaming APIs, implement authentication and tenant isolation, and shape the platform that powers our AI‑driven services.

You will deliver versioned model drivers, routing policies, observability dashboards, and cost controls, collaborating across product teams to improve routing, safety, and performance while maintaining clear technical documentation.