Senior Software Engineer · AI Infrastructure · Singapore

Justine Winata

Hi I’m a senior software engineer passionate about applied AI and databases. Happy to talk about what it takes to make AI work in production.

What I’ve been doing

2025 — now

cynapse.ai

Senior Software Engineer · promoted from Software Engineer

Working under CEO-led AI Lab team, selected to drive the company’s Generative AI strategy
Scaled Copilot, the first natural-language search product for VMS, to handle 37.5× corpus size with no loss in query relevance by introducing a search engine

2024 — 2025

The Software Practice

Software Engineer

Cut manual QA time by 75% with Selenium automation for a Singapore Government administration portal, holding 85% automated coverage

2023 — 2025

The Questlabs ID

Software Engineer · part-time

Built a POS and e-commerce platform processing IDR 200M+ in monthly gross sales, replacing manual reseller purchasing and sales reporting for an antivirus distributor

2024

freelancer.com

Software Engineer · part-time

Cut report-generation time by 96% on a production-management platform holding 16,000+ records, one of three client applications delivered in six months

2022 — 2024

BINUS University & BCA

Academic Development Officer · Coding Instructor

Trained 100+ instructors and taught up to ten classes a semester across databases, backend, data structures and deep learning

Selected engineering work

Cakra Motor HRIS

2024 — 2025

Built a web and React Native HRIS for 100+ employees across 11 locations. Designed a computer-vision attendance flow using face detection, combined with Google Maps location validation.

computer-vision write-up ↗

KIMS POS Activation

2023 — 2024

Built an e-commerce and point-of-sale activation platform used to process IDR 200M+ in monthly gross sales. It replaced manual reseller purchasing, gift-card and sales-reporting workflows.