AI Business Platform (Core & Front End)

PT XLSMART Telecom Sejahtera Tbk; Jakarta Pusat; On-site; IDR 350,000,000 - 700,000,000; Full time

Job summary

PT XLSMART Telecom Sejahtera Tbk is seeking a senior Platform Architect to own end-to-end AI Business platform architecture, from frontend to core gateway and metering, ensuring vendor work meets performance, security and PDP obligations.

You will define non-functional requirements, drive telemetry and AI benchmarking, govern vendor delivery and SLAs, and promote AI-first engineering practices across the team.

Qualifications

• 6–8 years in platform, backend or full-stack engineering, incl. 2–3 years on production AI or LLM systems and owning vendor-delivered architecture.
• Certification: TOGAF, Alibaba Cloud Professional or equivalent, Agile Development, android / iOS development.

Responsibilities

• Own target and release architecture end to end: front end, AI gateway, orchestration, routing, guardrails.
• Set non-functional requirements, acceptance criteria and test evidence, and hold vendor technical sign-off.
• Own the AI interaction layer: response streaming, first-token latency, fallback states, accessibility.
• Instrument front-end telemetry for activation and funnel.
• Own model benchmarking for quality, latency and cost per token, and evidence routing decisions.
• Own interfaces to metering, credit, entitlement, BSS, the XLS ecosystem and third-party AI app partners.
• Enforce residency, consent and AI disclosure under PDP Law, and preserve model and vendor portability.
• Govern vendor delivery, SLA, capacity and roadmap, and apply AI first engineering practice in the team.

Skills

Platform engineering

Backend engineering

Full-stack engineering

Production AI systems

Vendor management

Architectural ownership

Education

TOGAF certification

Alibaba Cloud Professional

Agile Development

Android / iOS development

Tools

CI/CD pipelines

Kubernetes

Terraform

Job description

To own the architecture, acceptance and operational integrity of the AI Business platform end to end, from customer-facing front ends to core gateway, orchestration, routing and metering, ensuring vendor-delivered work meets XLSmart performance, cost, security and PDP obligations.

Main Responsibilities:

• Own target and release architecture end to end: front end, AI gateway, orchestration, routing, guardrails.
• Set non-functional requirements, acceptance criteria and test evidence, and hold vendor technical sign-off.
• Own the AI interaction layer: response streaming, first-token latency, fallback states, accessibility.
• Instrument front-end telemetry for activation and funnel.
• Own model benchmarking for quality, latency and cost per token, and evidence routing decisions.
• Own interfaces to metering, credit, entitlement, BSS, the XLS ecosystem and third-party AI app partners.
• Enforce residency, consent and AI disclosure under PDP Law, and preserve model and vendor portability.
• Govern vendor delivery, SLA, capacity and roadmap, and apply AI first engineering practice in the team.

Requirements:

• Min. 6-8 years in platform, backend or full-stack engineering, incl. 2-3 years on production AI or LLM systems and owning vendor-delivered architecture.
• Certification: Opt: TOGAF, Alibaba Cloud Professional or equivalent, Agile Development, android / iOS development