Available to hire
I am Bayu Rahmadi, a Senior Frontend Engineer with 10+ years of experience building high-performance, scalable web apps for e-commerce and high-traffic platforms. I enjoy turning complex UI and architectural challenges into clean, maintainable solutions, collaborating with product, design, and backend teams across time zones.
I specialize in React, Next.js, TypeScript, performance optimization, and building robust frontend foundations, with a strong focus on accessibility, testing, and delivering delightful user experiences.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Senior Frontend Engineer at Aisahub
June 1, 2025 - PresentLead frontend development using React, TypeScript, and Next.js; optimize performance; integrate AI/ML features; collaborate with product and data teams; maintain MySQL/TypeORM usage.
Senior Frontend Engineer at Nusantech
January 1, 2025 - June 1, 2025Next.js, React, TypeScript frontend work; testing with React Testing Library and automated CI via GitHub Actions.
Senior Frontend Engineer at Ion Mobility
March 1, 2024 - January 1, 2025Led frontend work on ERPNext/Strapi integration; built real-time inventory tracking features; migration to Next.js/NestJS; Python backend touches.
Senior Frontend Engineer at Hypefast
January 1, 2023 - February 1, 2024Led modernization of a legacy LMS, migration to React/Next.js + NestJS; improved scalability; increased test coverage; 5+ features; reduced page load times by 30%; mentored juniors.
Senior Frontend Developer at Tiket.com
January 1, 2022 - January 1, 2023Led development of high-throughput POS; delivered 4 production e-commerce tools; established Jest + RTL testing; improved performance; implemented self-service hotel features (rebooking/rescheduling/refunds).
Frontend Developer at Tiket.com
July 1, 2018 - January 1, 2022Architected high-throughput POS; React-to-Next.js + TS migration; SSR for better SEO; built hotel inventory dashboard; implemented analytics with Redux middleware; mentored juniors.
Frontend Engineer at Tiket.com
January 1, 2015 - January 1, 2018Developed full-stack insurance registration and monitoring system for Pasarpolis (React + Node.js + Laravel); backend REST APIs with Django Rest Framework; Magento e-commerce maintenance; internal tools.
Education
Bachelor of Computer Science at Telkom University
January 11, 2030 - January 1, 2015Qualifications
Industry Experience
Software & Internet, Education, Retail, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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