Ranggi Rexa
Vigor Santoso
Fullstack Engineer
Fullstack Engineer with 4 years of experience delivering scalable web and mobile applications across agriculture, retail, and digital identity. Skilled in Node.js, React, PostgreSQL, and Golang.
Years Experience
Companies
Users Served
About Me
I'm a Fullstack Engineer with 4 years of experience delivering scalable web and mobile applications across agriculture, retail, and digital identity. With expertise spanning frontend and backend technologies, I create seamless user experiences backed by robust server-side logic.
My journey in tech has taken me through various domains—from agriculture and retail to digital identity—where I've honed my skills in Node.js, React, PostgreSQL, Golang, Ruby on Rails, and Flutter.
Core Strengths
- →End-to-end project delivery from requirements to deployment
- →Scalable backend architecture and database optimization
- →Cross-platform mobile and web application development
- →Security implementation with OAuth 2.0 and JWT
Interests
Beyond coding, I'm interested in agricultural technology, retail optimization, digital identity solutions, and exploring emerging technologies in microservices architecture.
Experience
Fullstack Engineer
Pandawa Agri Indonesia
Developed and launched a Customer Relationship Management (CRM) system with lead, pipeline, account, activity, and reporting modules. Built a Farm Management System (Node.js, React, PostgreSQL, Flutter) adopted by 50+ field assistants to track rice, coffee, and chili crop activities. Created a Human Resource Information System (HRIS) to streamline employee management.
Backend Engineer Intern
PT. Privy Identitas Digital
Developed secure APIs in Golang with MongoDB and PostgreSQL, integrated into a microservices architecture. Implemented OAuth 2.0 and JWT authentication, strengthening security compliance. Authored technical documentation and conducted debugging and performance tuning.
Fullstack Engineer
PT. PITA POS
Built and deployed a Point-of-Sale (POS) web app in Ruby on Rails with MySQL, enabling small businesses to record and analyze daily transactions. Added reporting and analytics features that helped store owners identify high-frequency sales items and optimize inventory decisions.
Skills & Tech Stack
Programming Languages
Database Management
Tools & Security
Featured Projects
Farm Management System
Agricultural tracking system for rice, coffee, and chili crops
Customer Relationship Management (CRM)
Sales pipeline and lead management system
Point-of-Sale (POS) Web App
Retail transaction recording and analytics platform
Human Resource Information System (HRIS)
Employee management and data streamlining platform
Let's Connect
I'm always open to new opportunities, collaborations, and interesting conversations. Reach out and let's build something amazing together.
Whether you have a question, want to collaborate, or just want to say hi – feel free to get in touch. I'll get back to you as soon as possible!