Hi,
I'm Tiyan
Back-End Engineer with 0+ years of experience building reliable, scalable backend systems & microservices. Currently engineering high-throughput solutions at IGLO.
Work Experience
My professional journey and the companies I've worked with
Backend Developer
PT Sayap Mas Utama (Wings Group Indonesia)
- ◆Integrated SAP with internal services using Apache Kafka to enable real-time data synchronization and event-driven architecture.
- ◆Refactored and migrated existing SOAP services into RESTful APIs using NestJS, improving scalability, maintainability, and integration with frontend systems.
Backend Developer & Fullstack Developer
PT Ako Media Asia (Salt Indonesia)
- ◆Adopted Domain-Driven Design (DDD) principles to ensure the codebase was well-structured and aligned with business logic.
- ◆Applied unit testing using Jest to ensure API reliability and minimize bugs in production.
- ◆Built the backend application using Docker, facilitating cross-platform deployment and creating a standardized development environment.
- ◆Collaborate with the UI/UX team, QA, and Business Analyst to develop features according to business needs.
- ◆Analyze and improve application performance to ensure it remains optimal and scalable.
Backend Developer
PT Whalez Digital Teknologi
- ◆Developed and maintained RESTful APIs using Hapi.js (Node.js) to manage users, courses, webinars, videos, articles and evaluations, focusing on performance and scalability.
- ◆Tuned PostgreSQL queries to optimize slow-running queries, using indexing, query refactoring, and execution plan analysis, resulting in a significant reduction in query execution times and improved system performance.
Backend Developer
PT Carakde Solusi Informatika
- ◆Developed and maintained a vaccination clinic application using Laravel (PHP) to facilitate scheduling and home care services.
- ◆Integrated payment gateway solutions to facilitate secure transactions within the application.
- ◆Collaborated with the frontend & mobile team to ensure seamless communication between backend services and user interfaces.
- ◆Conducted testing and debugging to maintain application performance and reliability.
Backend Developer Intern
PT Carakde Solusi Informatika
- ◆Developed and maintained APIs using Laravel for backend needs, such as user authentication and data management.
- ◆Implemented token-based authentication (JWT) to ensure secure access to user data.
- ◆Automated database migration and seeding, assisting in accelerating the development process.
- ◆Participated in debugging and testing applications to ensure quality performance.
Programmer Intern
CV Techno's Studio
- ◆Assisted in developing and maintaining web applications using CodeIgniter (PHP) for backend functionality.
- ◆Gained proficiency in HTML, CSS, and JavaScript to create user-friendly and responsive web interfaces.
- ◆Collaborated on integrating data with MySQL database for effective data management.
- ◆Familiar with Git for version control and teamwork.
Personal Projects
A showcase of my personal projects and side ventures
PESENIN APP
Mobile, Backend (Rest API) and Frontend (Website)
An end-to-end food & product ordering ecosystem comprising a cross-platform mobile customer application, dynamic admin management dashboard, and robust RESTful API backend with real-time order tracking.
SITEPAK POLDA SULTRA
Website
An integrated official web portal for Polda Sultra built to streamline public service reporting, anti-corruption tracking, and internal administrative workflows.
PMB UNSULTRA
Website
A comprehensive digital student admission portal managing prospective student registrations, document verifications, and automated entrance test scoring.
CEK PLAGIASI UNSULTRA
Website
A web-based document plagiarism checking tool utilized by university academic staff to verify research papers, theses, and scholarly publications.
IJAZAH UNSULTRA
Website
An official diploma & degree verification system providing secure online validation and public credential lookup for university graduates.
ESDM SULTRA PROV
Website
An official provincial government portal for the Energy and Mineral Resources Department of Southeast Sulawesi, facilitating news distribution and public services.
Tools & Skills
Technologies, frameworks, and tools I use to build digital products
