Full Stack Developer | React, TypeScript. Node.js | Built systems that cut manual work by 70–94% across 66+ hospitals & fintech platforms | Open to global opportunitie

Gilang Irfansyah

Full Stack Developer | React, TypeScript. Node.js | Built systems that cut manual work by 70–94% across 66+ hospitals & fintech platforms | Open to global opportunitie

Available to hire

Full Stack Developer | React, TypeScript. Node.js | Built systems that cut manual work by 70–94% across 66+ hospitals & fintech platforms | Open to global opportunitie

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Indonesian
Fluent
English
Advanced

Work Experience

Full Stack Engineer at Siloam Hospital Group
November 1, 2023 - Present
Automated insurance claim processing across 41 hospital branches and 25 clinics using iPath RPJ; integrated with CPBS and 3 private insurer JPIs to auto-validate patient eligibility before claim submission; designed and deployed a real-time invoice generation system handling high-frequency transactions; developed a scalable React-based component library adopted by 15+ internal teams; implemented comprehensive unit testing to reduce production bugs.
Frontend Developer at Astra Credit Company (ACC)
November 1, 2024 - September 26, 2025
Contributed to berijalan.co.id — a digital lending platform — by building and maintaining core operations modules and integrating with eKentrix.co.id (contact center) to enable real-time customer interaction tracking, call logging, and agent performance analytics; developed a modular React + TypeScript component library adopted across teams; improved performance with code-splitting and lazy loading; boosted feature delivery by ~40%.
Frontend Developer at Beever Indonesia
October 1, 2023 - September 26, 2025
Developed and maintained the frontend of Hospital Operations System (HOS) — a React + Redux SPA dashboards — with lazy loading and state optimizations that reduced initial load time by ~40%; created reusable components for 3 product teams; integrated RESTful APIs for real-time patient stats, bed occupancy, and billing.
Frontend Developer at Indoesports
September 1, 2022 - September 26, 2025
Designed and developed 15+ high-converting landing pages for esports events, driving 50k+ registrations and increasing conversion rate by ~35%; built a reusable React component library; implemented SEO integrations and analytics; enhanced live event experiences with streaming integrations.
Frontend Engineering Intern at Transfree
February 1, 2020 - September 26, 2025
Developed a responsive React web app with interactive animations; participated in full Agile lifecycle; conducted pre-launch testing for Android apps and documented 20+ critical bugs.

Education

Bachelor's Degree in Informatics Engineering at Universitas Nasional Jakarta
January 1, 2016 - January 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Software & Internet, Professional Services, Education, Government, Financial Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

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