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Hi, I’m a full-stack developer with 6+ years of experience building scalable web and mobile apps using Ruby on Rails, React, and Vue.js. I love turning complex problems into clean, maintainable code and delivering solutions that provide real value to users. I enjoy collaborating with cross-functional teams, designing robust APIs, and deploying features that scale. I’ve built a TensorFlow-based Fish Species Classification App, implemented cross-platform Push Notifications with Firebase, React Native, and Next.js, and I continuously learn new tools like AWS to stay ahead.…Hi, I’m a full-stack developer with 6+ years of experience building scalable web and mobile apps using Ruby on Rails, React, and Vue.js. I love turning complex problems into clean, maintainable code and delivering solutions that provide real value to users. I enjoy collaborating with cross-functional teams, designing robust APIs, and deploying features that scale. I’ve built a TensorFlow-based Fish Species Classification App, implemented cross-platform Push Notifications with Firebase, React Native, and Next.js, and I continuously learn new tools like AWS to stay ahead.

Saifullah st

Full Stack Developer, Web Developer, Back-End Developer, +3

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Hi, I’m a full-stack developer with 6+ years of experience building scalable web and mobile apps using Ruby on Rails, React, and Vue.js. I love turning complex problems into clean, maintainable code and delivering solutions that provide real value to users. I enjoy collaborating with cross-functional teams, designing robust APIs, and deploying features that scale. I’ve built a TensorFlow-based Fish Species Classification App, implemented cross-platform Push Notifications with Firebase, React Native, and Next.js, and I continuously learn new tools like AWS to stay ahead.…Hi, I’m a full-stack developer with 6+ years of experience building scalable web and mobile apps using Ruby on Rails, React, and Vue.js. I love turning complex problems into clean, maintainable code and delivering solutions that provide real value to users. I enjoy collaborating with cross-functional teams, designing robust APIs, and deploying features that scale. I’ve built a TensorFlow-based Fish Species Classification App, implemented cross-platform Push Notifications with Firebase, React Native, and Next.js, and I continuously learn new tools like AWS to stay ahead.

Available to hire

Hi, I’m a full-stack developer with 6+ years of experience building scalable web and mobile apps using Ruby on Rails, React, and Vue.js. I love turning complex problems into clean, maintainable code and delivering solutions that provide real value to users.

I enjoy collaborating with cross-functional teams, designing robust APIs, and deploying features that scale. I’ve built a TensorFlow-based Fish Species Classification App, implemented cross-platform Push Notifications with Firebase, React Native, and Next.js, and I continuously learn new tools like AWS to stay ahead.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Indonesian

Advanced

Work Experience

Full-Stack Developer at Intellion Indonesia

December 1, 2019 - November 10, 2025

Developed multiple web and mobile applications using Ruby on Rails, Vue.js, Next.js, and React Native. Implemented RESTful APIs and modern frontend architectures to deliver scalable solutions. Built an image-based Fish Species Classification App with an image dataset integration and Firebase notifications. Designed a cross-platform Push Notification system using Firebase, React Native, and Next.js. Architected an Inventory Management System with Rails backend and PostgreSQL/MySQL optimization. Collaborated with cross-functional teams for deployment and scalability, maintained code quality and documentation, and contributed to architecture decisions.

Full-Stack Developer at Bank Rakyat Indonesia

January 1, 2018 - January 1, 2018

Provided high-level administrative support, proactively adapting to team needs and aiding efficiency. Developed multiple web and mobile apps using Ruby on Rails, Vue.js, and React. Collaborated with multi-functional teams for deployment and scalability. Led the development of a Fish Species Classification App using a TensorFlow model, improving image classification accuracy by 95%.

Full-Stack Developer at Intellion Indonesia

January 1, 2018 - November 18, 2025

Remote role providing high-level administrative support and developing web/mobile apps using Ruby on Rails, Vue.js, and React. Worked on distributed teams, delivering features with scalability in mind.