Senior Software Engineer — AI Platform & LLM Gateway

Filigrain; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Filigrain is seeking a hands-on Software Engineer to build the AI gateway and LLM routing platform. You will work primarily with Python and TypeScript in a small senior team to deliver backend features, API services and deployment tooling.

You’ll engage with cloud infrastructure, Kubernetes, Terraform, and observability to ensure reliability, scalability and production readiness, while supporting enterprise customers and private deployments in a GMT+8 aligned, distributed environment.

Qualifications

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

Responsibilities

• 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.

Skills

Python

TypeScript

Distributed systems

Tools

React

Kubernetes

Helm

Terraform

Go

Job description

Filigrain is seeking a hands-on Software Engineer to build the AI gateway and LLM routing platform. You will work primarily with Python and TypeScript in a small senior team to deliver backend features, API services and deployment tooling.

You’ll engage with cloud infrastructure, Kubernetes, Terraform, and observability to ensure reliability, scalability and production readiness, while supporting enterprise customers and private deployments in a GMT+8 aligned, distributed environment.