Hi, I'm Dean Sanjaya

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Projects

Environmental Training & Certification Platform
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Environmental Training & Certification Platform

Developed and maintained a corporate website for environmental training and certification services, providing information about training programs, certifications, and company services. Built and enhanced a web-based management system to streamline certification and training registration, participant management, document handling, and administrative workflows.

ReactTypescriptExpressMySQLTailwind
Environmental Laboratory Management System
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Environmental Laboratory Management System

Developed a web-based application for managing environmental laboratory operations, including sample submissions, laboratory services, document management, reporting, and administrative workflows. Implemented RESTful APIs, optimized database performance, and built responsive user interfaces to improve operational efficiency.

ReactTypescriptExpressMySQLTailwind
Taman Cahaya Marketplace
Documentation

Taman Cahaya Marketplace

Designed and developed a web-based marketplace as a case study for Taman Cahaya, featuring vendor and customer management, product catalog management, order processing, and secure online payments using the Midtrans Payment Gateway.

ReactJavascriptExpressMongoDBTailwindMidtrans
Trading Risk Calculator
VisitGithub

Trading Risk Calculator

A professional, modern, and dark-themed Trading Risk Calculator web application. This tool is designed to help traders efficiently calculate critical trading metrics such as Position Size, Required Margin, and Take Profit / Stop Loss targets based on account balance, entry price, and leverage. Inspired by professional trading platforms like Binance and TradingView, it provides a seamless user experience with real-time calculations.

Next.jsTailwindTypescript
LearnNext - Next.js Learning Portal
Visit

LearnNext - Next.js Learning Portal

LearnNext is a modern learning portal built with Next.js, designed to provide an interactive and structured platform for learning web development. The application organizes learning materials into courses and modules, allowing users to explore lessons through a clean and responsive interface.

Next.jsTailwindTypescript
Information system for goods management implementing FIFO and ROP methods.
GithubDocumentation

Information system for goods management implementing FIFO and ROP methods.

Developed a web-based inventory management application implementing the First In, First Out (FIFO) and Reorder Point (ROP) methods to optimize inventory control. The application automates stock tracking, monitors inventory movement, calculates reorder points based on inventory usage and lead time, and helps prevent stock shortages while improving operational efficiency.

ReactJavascriptExpressMongoDBTailwind
Dean Sanjaya

Summary

Full Stack Web Developer with hands-on experience in developing and maintaining enterprise web applications from concept to deployment. Proficient in building scalable frontend and backend systems, designing databases, developing RESTful APIs, and optimizing application performance. Adept at collaborating with cross-functional teams to deliver reliable, maintainable, and user-focused solutions. Committed to continuous learning and leveraging technology to create impactful business solutions.

Expertise

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Experience

A collection of experiences, responsibilities, and things I've built throughout my journey in tech.

Jun 2025 - Present

Website Development

PT Simetrie Digital Kreasi

Surabaya, Indonesia
  • Developed and maintained responsive web applications, ensuring scalability and maintainability.
  • Designed and implemented RESTful APIs to support business processes and seamless integration between frontend and backend services.
  • Designed, optimized, and maintained database schemas.
  • Improved application performance, code quality, and maintainability by optimizing system architecture, database queries, and application logic.
  • Diagnosed, debugged, and resolved frontend and backend issues to ensure application stability and deliver a reliable user experience.
  • Developed and optimized SEO-friendly company websites by implementing technical SEO best practices, improving search engine visibility and website performance.

Feb 2023 – Jun 2023

Front End Web Developer

PT Electronic Data Interchange Indonesia

Surabaya, Indonesia
  • Designed and developed a web-based Enterprise Resource Planning (ERP) system to streamline and automate the company's business processes.
  • Collaborated with UI/UX designers and backend developers to deliver scalable, user-friendly, and high-quality web applications.
  • Optimized ERP workflows by implementing automation features, reducing manual processes and improving operational efficiency.
  • Demonstrated strong collaboration and effective communication skills within the team.

2020 - 2025

Bachelor Degree in Informatics Engineering

Universitas Negeri Surabaya

Surabaya, Indonesia
  • Achieved GPA of 3.84/4.00, successfully completing the demanding Informatics Engineering curriculum.
  • Focus: Website Programming and Database Management

Aug 2023 – Des 2023

Kampus Merdeka Independent Study

Vocasia

Jakarta - Remote
  • Learned web development from scratch, including HTML, CSS, JavaScript, and supporting frameworks such as Tailwind CSS, React.js, and Chakra UI.
  • Gained proficiency in version control systems using Git and GitHub for collaboration and code management.
  • Developed soft skills, including public speaking, to enhance effective communication.
  • Served as the leader in the final project, responsible for team management, task delegation, and project workflow planning.
  • Developed ADOCE (Adoption Center) web application as the final project.
  • Awarded "Best Mentee" for dedication and outstanding achievements throughout the learning program.
Certificate

Jun 2023

React JS Bootcamp

Universitas Negeri Surabaya

Surabaya, Indonesia
  • Developed interactive web applications using React.js and reusable components.
  • Implemented state management and application logic using React Hooks.
  • Integrated RESTful APIs to fetch and manage application data.
  • Built responsive and reusable UI components for different application views.
  • Applied modern frontend development practices through hands-on projects.
Certificate

Education

My academic background, degrees, and relevant studies that laid the foundation for my career.

Contact

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