Senior Full-Stack Architect - AI-Driven SaaS Platform Lead

Sleek; Singapore; Hybrid; SGD 180,000 - 240,000; Full time

Benefits offered by this job

Remote work flexibility

Autonomy & ownership

AI excellence program

Training & career growth

Job summary

Sleek is seeking a Principal Full Stack Engineer to lead architectural vision and end-to-end delivery of complex SaaS applications. You will own the full stack—from UI to APIs and backend services—driving performance, reliability, and AI-enabled workflows with autonomy and minimal guidance.

In this senior role, you will mentor engineers, raise technical standards, and champion productive tooling and observability across Sleek’s engineering org. Remote-friendly with global collaboration.

Qualifications

• 8+ years shipping production SaaS.
• Scalable distributed systems & APIs experience.
• Proficient in TypeScript/Node.js with relational and document DBs.
• Full-stack ownership from schema to UI to prod.
• Built internal tooling & developer platforms.
• Cloud ops, observability & security in production.
• Experience with AI-powered product capabilities & agentic systems.
• Mentoring and setting engineering standards.
• Able to thrive in ambiguous environments.

Responsibilities

• Architect, build, and maintain production-grade SaaS apps across the stack.
• Design APIs and DB schemas for scalable services.
• Lead AI-enabled features with reliability patterns & observability.
• Build internal tooling to improve engineering productivity.
• Mentor senior engineers and lead architecture reviews.
• Improve platform performance in APIs and data pipelines.

Skills

SaaS architecture

TypeScript / Node.js

Full-stack ownership

Developer platform

Cloud & operations

Production AI

Autonomy

Mentoring & standards

Tools

NestJS

React

Vue

Postgres

MySQL

MongoDB

AWS

Kubernetes

Rancher

Job description

Sleek is seeking a Principal Full Stack Engineer to lead architectural vision and end-to-end delivery of complex SaaS applications. You will own the full stack—from UI to APIs and backend services—driving performance, reliability, and AI-enabled workflows with autonomy and minimal guidance.

In this senior role, you will mentor engineers, raise technical standards, and champion productive tooling and observability across Sleek’s engineering org. Remote-friendly with global collaboration.