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finnxier

Refin Izmi A

@finnxier

Fullstack Developer

Indonesia
English
About me
Hi, I'm Refin! A Full-Stack Web Developer & Automation Specialist. I build custom, high-performance web applications using Laravel, React.js, and MySQL. I help businesses streamline operations, build internal tools, and automate manual tasks using AI (Gemini API) and smart web scripts. Focused on clean code, fast loading, and real business results.... Read more

Skills

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finnxier
Refin Izmi A
Offline • 

See my services

Custom Websites
I will build a custom web application or internal business tool
From$80 / projectMore details

Portfolio

Work experience

Self_Employed

Self Employed

Full-time • 1 yr 7 mos

Web Developer

Nov 2025 - Sep 2026 • 10 mos

Web Developer at Zipzap Corporation, responsible for architecting, building, and maintaining 9+ internal web applications, landing pages, and automation tools. Key Achievements & Technical Impact: • Developed and maintained 9+ custom web systems using PHP (Laravel), React.js, JavaScript, and MySQL database architecture. • Built an in-house Employee Attendance System with multi-role access & approval workflows, cutting operational costs by ±IDR 2,000,000/year. • Engineered 3 custom CS tools (pricing calculator, fabric stock checker, print estimator) that reduced customer response times from 5+ minutes to under 1 minute. • Integrated Gemini AI API to automate daily ad report data extraction directly from screenshots, eliminating manual data entry. • Developed 3+ fast-loading, SEO-optimized landing pages and websites (including Kaliber and Zipzap Garment) using Laravel, JavaScript, and Tailwind CSS. • Managed end-to-end SDLC, continuous system maintenance, RESTful API design, and live server deployments on Hostinger to ensure zero downtime.

Fullstack Developer

Aug 2024 - May 2025 • 9 mos

Full-Stack Web Developer at PT Bubejo Makmur Sejahtera, responsible for designing and developing a custom Sales Information System from scratch. Key Achievements & Responsibilities: • Engineered a full-stack e-commerce sales management system using PHP (Laravel) and structured MySQL database architecture. • Integrated 3rd-party RESTful APIs, including Midtrans (online payment gateway) and RajaOngkir (automated shipping fee calculation). • Boosted overall sales operational efficiency by 82% compared to manual order processing. • Built a fast, responsive user interface and optimized database queries to ensure smooth transaction handling and data integrity.