Principal Full-Stack Engineer for AI-Driven SaaS

Sleek; Philippines; On-site; PHP 1,200,000 - 2,000,000; Full time

Job summary

Sleek is seeking a Principal Full Stack Engineer to shape the architecture and deliver complex web applications across the stack. You will own end-to-end delivery, from UI to services, while raising the technical bar for the engineering org.

You will champion agentic AI workflows, integrate AI features into production products, and lead initiatives to improve performance, reliability, and developer productivity across Sleek's platform.

Qualifications

• 8+ years shipping production SaaS.
• Architecture- scalable distributed systems.
• TypeScript / Node.js expertise.
• Relational and document databases experience.
• Full-stack ownership from schema to UI to production.
• Built internal developer tooling and automation.
• Cloud deployment and observability/security.
• Production AI experience is a plus.

Responsibilities

• Lead architecture and deliver SaaS applications across the stack.
• Integrate agentic AI capabilities into product workflows.
• Build internal tooling to boost engineering productivity.
• Mentor engineers and drive code quality and performance.

Skills

8+ years exp

Architecture design

TypeScript/Node.js

Relational DBs

Document DBs

Full-stack ownership

Dev platform tooling

Cloud operations

Observability & security

Production AI

Job description

Sleek is seeking a Principal Full Stack Engineer to shape the architecture and deliver complex web applications across the stack. You will own end-to-end delivery, from UI to services, while raising the technical bar for the engineering org.

You will champion agentic AI workflows, integrate AI features into production products, and lead initiatives to improve performance, reliability, and developer productivity across Sleek's platform.