Rayhan Athar

Hi, I'm Rayhan Athar

Growing Backend Engineer.

Focusing on backend systems and impactful digital solutions. As a Computer Science student, I specialize in building backend systems using Go, JavaScript, PostgreSQL, NoSQL, and Cloud Providers, following principles like Clean Architecture, Test Driven Development, and CI/CD pipelines.

My Journey

A timeline of my professional growth and key contributions.

April 2025 - May 2025

StudentXCeos logo
Backend Developer
  • Developed a RESTful API for participant registration and activity
  • Built in Javascript with the help of Express.js and Google Workspace SDK.
  • Increased registration data manual validation and participants credentials generation process efficiency by 50%. Removed 7 out of 14 mundane tasks by integrating Google Drive and Google Sheets with the Back-End server.

January 2025 - February 2025

Evermos logo
Backend Developer Project Based Intern
  • Developed a RESTful API for internal transaction and product logging systems.
  • Built in Go with the help of Fiber Framework and implemented Object Relational Mapping with GORM.
  • Connected the system with https://www.emsifa.com/api-wilayah-indonesia/ to eliminate region database manual updates and inserts due to unregistered city data.

August 2024 - January 2025

  • Learned Google Cloud services and architecture by completing 24 courses at Google Cloud Skill Boost and achieved 9 skill badges.
  • Learned Back End development with Javascript and Python by completing 7 courses at Dicoding.
  • Completed Google Associate Cloud Engineer Certification exam simulation at Dicoding.

November 2024 - December 2024

Bangkit Academy 2024 (Capstone Project) logo
Project Manager, Cloud & Back-End Developer
Bangkit Academy 2024 (Capstone Project)
  • Led a team of 5 (1 back-end, 2 android developers, and 2 AI engineers). Implemented Waterfall development lifecycle with Trello and GitHub.
  • Developed RESTful API Back End service with Express.js for an MVP e-commerce android application. Enabled payments with e-wallets and credit cards by integrating third party payment gateway and image recognition for product searching.
  • Deployed the Back End service to Google Cloud. Utilising 2 compute services (Compute Engine for HTTP server and Cloud Run for Image Recognition AI runtime), 2 data services (Cloud SQL and Cloud Bucket), and 1 networking service (Cloud DNS).

February 2024 - December 2024

Universitas Padjadjaran logo
Practicum Assistant (Data Structures & Web Programming)
  • Prepared Data Structure and Web Programming learning materials and assignments for 10 meetings with 2 colleagues.
  • Taught 40+ students over 10 weekly meetings.
  • Mentored 6 groups of 3 students on their practicum projects.
  • Collaborated with lecturers to align materials with the syllabus and updated tech stacks.

January 2023 - March 2024

Torindo Jaya Persada logo
Frontend Developer
  • Designed and developed 70% of the company profile website visuals.
  • Built a simple MVC based framework using PHP and Apache language for the initial version.
  • Utilized GitHub for task management, version control, and code collaboration.

My Top Creations

A showcase of projects I've built, demonstrating my skills and passion.

NoteBoost
NoteBoost
Web-based note taking application with an integrated "Enhance Note" feature for students.

Details:

"Enhance" feature can match the user school grade and the topic related to the note. Targeted for elementary and high school students, we believe NoteBoost can improve students learning rate and knowledge coverage. We are developing NoteBoost in order to participate to achieve 4th SDGs goal "Quality Education".

Technologies Used:

Express.js
React
Tailwind CSS
Google Cloud Platform
GitHub CI/CD
Node.js
Threads-like API
Threads-like API
A robust REST API server for a thread-based social media platform, similar to X/Threads.

Details:

This was a final Project for the "Menjadi Back-End Developer Expert dengan Javascript" course on Dicoding. This project implements Domain Driven Design to fulfill the "Separation of Concerns" concept by utilizing dependency injection for better modularity and testability. ESlint was used to enforce clean code standards across the project. Test Driven Development (TDD) was heavily implemented using Jest, creating comprehensive test cases for every repository, domain, entity, and use case

Technologies Used:

Hapi.js
PostgreSQL
JavaScript
Jest
AWS
GitHub Actions
CopyBoard
CopyBoard
A lightweight and efficient clipboard management application for macOS.

Details:

CopyBoard is designed to be the lightest clipboard app for macOS, taking only 1.2MB in storage and consuming close to zero energy. It was developed to solve a personal need for a simple clipboard manager and has been used by colleagues as well.

Technologies Used:

Swift
SwiftUI
macOS
Xcode

Credentials & Achievements

Dicoding Indonesia logo
Menjadi Back-End Developer Expert dengan Javascript
Dicoding Indonesia
Issued: May 2025
View Credential
Bangkit Academy 2024 by Google, Goto, Tokopedia, Traveloka logo
Bangkit Academy 2024 Graduate
Bangkit Academy 2024 by Google, Goto, Tokopedia, Traveloka
Issued: January 2025
View Credential
Alibaba Cloud logo
Certified Cloud Developer
Alibaba Cloud
Issued: July 2023
View Credential

Get In Touch

I'm open to new opportunities and collaborations. Feel free to reach out!

Contact Information

Phone

(+62) 8151-7874-106

Location

Jakarta, Indonesia