Principal Full Stack Engineer (Remote, Asia-Pacific)

Sleek builds software and AI tools that automate back-office work for micro-businesses, across corporate secretarial, accounting and payments. It wants a principal engineer to set technical direction and deliver complex SaaS applications with a high degree of independence. The work covers TypeScript, React or Vue, and NestJS services on Postgres and MongoDB, plus agentic AI features such as document processing and classification with proper evaluation and monitoring. You will mentor engineers, run architecture reviews and raise standards for code quality, testing and system design. The role is remote with listings in Singapore, Australia, India, the Philippines and Vietnam. The posting also lets staff work fully remote from anywhere in the world for one month each year. Pay is described only as competitive. Because Sleek is regulated, background checks may be run with consent.