Hi, I'm Umar
Senior Full-Stack & AI Engineer.
9+ years across the full stack — from e-commerce platforms for Lenovo, Cetaphil, and ZALORA, to internal tooling at Accenture for Google and Meta, to leading production AI at Saakuru Labs.
What I Do
Six areas where I work — across the full stack and into production AI.
Full-Stack Web Engineering
End-to-end product engineering — Next.js, React, Node.js, TypeScript. From design system to API to deployment. Shipped commerce and content platforms for Lenovo, Cetaphil, and Anantara.
See: Lenovo Singapore →SaaS & Subscription Platforms
Multi-tenant SaaS, billing, retention loops, and admin tooling. Built the subscription engine behind Grouu and the enterprise platform behind UOA Group.
See: Grouu Baby Foods →AI Systems & RAG
Production LLM pipelines — retrieval, evaluation, and observability. Author of Hallucination Guard, an open-source toolkit for catching hallucinated outputs in real systems.
See: Hallucination Guard →Real-Time & Performance
Low-latency pipelines, WebSocket data streams, and high-throughput services. Built the real-time data layer powering Emotiv's brain-computer interface platform.
See: Emotiv →Cloud & DevOps
AWS architecture, Dockerized services, and CI/CD pipelines. AWS-certified for advanced development and DevOps. Reduced deployment cycles by 40% at CUE Group.
Engineering Leadership
Currently leading AI systems work at Saakuru Labs. Previously led multi-tenant SaaS development for 10+ startups at CUE Group. Mentored, hired, and shipped.
Have a system in any of these areas you want shipped?
Get in touch→Success Stories
Real projects, real impact. See how I've helped businesses grow with measurable results and innovative solutions.
Hallucination Guard
Public on GitHub. Drop-in integration with existing LLM pipelines, designed for production AI teams that need reliability guarantees.
Emotiv — Brain-Computer Interface Platform
Sub-100ms end-to-end latency on neural data streams. Live at emotiv.com.
ZALORA
Reduced page load times by 40% through API and database optimization. Live across ZALORA's regional storefronts.
Lenovo Singapore
Lenovo's flagship Singapore storefront. Live at lenovo.com/sg.
Cetaphil Singapore
Galderma's regional Cetaphil site for Singapore. Live at cetaphil.sg.
Anantara Resort — Uluwatu Bali
Direct-booking experience for Anantara's Uluwatu Bali property. Live at anantara.com.
Grouu Baby Foods
Indonesia's first subscription baby food brand. Live at grouu.id.
UOA Group Malaysia
Real estate portfolio for UOA Group Malaysia. Live at uoa.my.
Have a system that needs shipping?
Full-stack platforms, AI infrastructure, or both — let's talk.
Open Source & Writing
Public artifacts of how I think and what I ship.
My Resume
9+ years shipping product and AI systems across the full stack
Lead AI Systems Engineer
Saakuru Labs
Leading development of production-grade AI systems leveraging LLMs and agentic architectures. Designing and deploying autonomous, multi-step agent workflows with tool orchestration for enterprise clients.
Senior Full Stack Developer
CUE Group
Led development of multi-tenant SaaS platforms for 10+ startups. Designed Dockerized services with CI/CD pipelines (GitHub Actions), improving deployment efficiency by 40%.
Full Stack Engineer
Accenture
Built secure, high-performance APIs for Google and Meta (Facebook) internal tools. Developed complex React applications with modern state management, improving UX efficiency by 25%.
Let's Work Together
Open to senior full-stack and AI engineering roles, contracts, and advisory engagements. Tell me what you're shipping.
Get in Touch 👋
Whether you need AI-powered solutions, full-stack development, or just want to discuss your next big idea - I'm here to help make it happen!
⚡Quick Response: Available for new projects. Typically reply within 24 hours.