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Competition
Very high
Estimated monthly salary
~S$4,950 – S$7,500

Software Engineer – AI Platform / LLM Gateway

About the role

We are building an AI gateway product, Routero.ai, to help enterprise customers deploy AI workloads securely and efficiently. The product focuses on LLM API aggregation, audit trails, private/VPC deployment, cost control, reliability, and enterprise readiness. The role is a hands-on software engineering position in a small senior engineering team.

The team currently uses mainly Python, TypeScript and React, with possible Go adoption for selected scaling needs.

What you’ll do

  • Build backend and platform features for the AI gateway / LLM routing product.
  • Work on API services, access control, audit logs, deployment tooling and observability.
  • Support private cloud, VPC and potential on-prem deployment scenarios.
  • Improve platform scalability, reliability, load testing and production readiness.
  • Own technical features end-to-end in a lean, senior, hands-on engineering team.

What we’re looking for

  • Strong backend/platform engineering experience.
  • Hands-on experience with Python and/or TypeScript; React is a plus.
  • Experience with cloud infrastructure, APIs, distributed systems, Kubernetes, Helm, Terraform or similar tools.
  • Good understanding of system reliability, scalability, testing and performance trade-offs.
  • Interest in AI infrastructure, LLM applications, API gateways or developer platforms.
  • Ability to work independently and collaborate with a distributed team in GMT+8 time zones.

Bonus points

  • Experience with LLM APIs, AI gateways, agents, RAG, model routing or AI infrastructure.
  • Experience supporting enterprise customers, private deployment or compliance-related technical requirements.

About Filigrain

Filigrain turns AI, cloud, and infrastructure into one coherent system — from strategy and architecture to delivery and operations. End-to-end solutions turn complex technology into resilient capabilities embedded in your daily business.

Posted 8 Oct 2026