Available to hire
Hi, I’m Galang Dwijuniar, a versatile software developer with a strong focus on building web and mobile applications. I have hands-on experience in frontend and backend technologies, and I enjoy turning ideas into functional, scalable solutions. I also study data scraping and enjoy collaborating with product and QA teams to deliver user-centered features.\n\nBeyond my professional roles, I actively pursue personal projects to continuously expand my skills and knowledge. I value innovation, excellence, and teamwork, and I thrive in dynamic environments where I’m able to contribute to cutting-edge projects.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Indonesian
Fluent
Work Experience
Application Developer at PT. Consulting Service Indonesia
May 31, 2023 - September 23, 2025Contributed to enterprise application frontend interfaces using JavaScript and HTML/CSS, collaborating with backend and UAT teams. Conducted system requirements analysis and coordinated with business analysts for interface flow. Participated in testing and change request documentation for end-user feedback.
LLM-Based Scraping Output Validator (Project) at Personal Project
July 20, 2023 - PresentDeveloped an automated scraping agent using OpenAI function-calling to automate page navigation, data extraction, and rule-driven decisions in dynamic sites. Implemented automated logging, error handling, and prompt meta data for debugging and performance review.
Multi-Server Scraper Management System (Project) at Personal Project
July 20, 2023 - PresentArchitected a centralized system to manage scraper jobs across distributed servers with performance and error monitoring. Handles job containers, deployment, and version tracking with REST API and Git integration.
Web Based Monitoring System (Project) at Personal Project
July 20, 2023 - PresentDesigned and maintained backend logic and schema in Microsoft SQL Server, optimized query performance and indexed core tables. Supported UAT testing, documentation, and collaborated with frontend and QA teams for enterprise readiness.
Application Developer at PT. Consulting Service Indonesia
July 1, 2023 - PresentContributed to enterprise application frontends using JavaScript and HTML/CSS, collaborating with backend and UAT teams. Conducted requirements analysis and coordinated with business analysts for interface flow.
Co-Teacher (Mobile App Development Using Flutter) at PT. AKo Media Asia
May 1, 2023 - September 29, 2025Mentored students on Flutter development and backend API integration. Assisted with UI state management, API slicing, and database integration. Helped shape final project architectures, including backend components.
Application Developer at PT. Consulting Service Indonesia
July 1, 2023 - PresentContributed to enterprise application frontend interfaces using JavaScript and HTML/CSS, collaborating with backend and UAT teams. Handled system requirements analysis and coordinated with business analysts for interface flow. Participated in testing and change request documentation for end-user feedback.
LLM-Based Scraping Output Validator at Independent Project
July 1, 2023 - PresentDeveloped an automated scraping validator using OpenAI function-calling and tool usage to navigate pages, extract data, and make rule-driven decisions in dynamic sites. Implemented automated logging, error handling, and prompt metadata for debugging and performance review. Improved scraping accuracy and QA efficiency.
Lead Developer - Multi-Server Scraper Management System at Independent Projects
May 1, 2024 - PresentArchitected a centralized system to manage scraper jobs across distributed servers with performance and error monitoring. Handled job containers, deployment, and version tracking with REST API and Git integration.
Junior Developer (Data Scraper) at Independent Projects
May 1, 2024 - PresentDeveloped scalable scraping pipelines and backend job containers using Python and Ruby. Managed deployments via Git and Scrape API, handling millions of pages while adhering to good scraping practices. Led backend enhancements and implemented monitoring features for QA and log tracking.
Co-Teacher (Mobile App Development Using Flutter) at PT. Ako Media Asia
May 1, 2023 - October 23, 2025Co-Teacher for Flutter mobile app development; provided tutorials to students regarding mobile apps development using Flutter; helped solve problems during the Flutter learning process; assisted with frontend UI styling and API integration for final student projects.
Application Developer at PT. Konsulting Service Indonesia
May 1, 2023 - October 23, 2025Developed web applications based on detailed analysis and design specs; collaborated with product and QA teams to deliver and test user-facing features; optimized frontend workflows and ensured performance and accessibility compliance; built reusable components and implemented clean state management using React hooks.
Calibration and Maintenance Staff at PT. Menarini India Laboratories
July 1, 2023 - October 23, 2025Calibration and maintenance of instruments in pharmaceutical factories; managed calibration measuring instruments; scheduled calibration; maintained calibration data and reporting; coordinated with laboratory teams to ensure instrument readiness.
Co-Teacher (Mobile App Development Using Flutter) at PT. Ako Media Asia
July 1, 2023 - PresentAssisted in providing tutorials to students regarding mobile apps development using Flutter. Helped solve problems related to Flutter learning. Assisted in final projects focusing on frontend UI slicing and API integration.
Application Developer at PT. Consulting Service Indonesia
July 1, 2023 - PresentDeveloped web applications based on detailed analysis and design specifications. Collaborated with product and QA teams to deliver and test user-facing features. Optimized frontend workflows and ensured performance and accessibility compliance. Built reusable components and implemented clean state management using React hooks.
Calibration & Maintenance Staff at PT. Menarini Indria Laboratories
July 1, 2023 - October 23, 2025Calibrated measuring instruments in pharmaceutical factories; managed measurement data and reporting calibration results; scheduled calibration; maintained the instrument laboratory.
Web-Based Wedding Invitation & Content Management System (Project) at Self-initiated / Freelance
July 1, 2023 - PresentWedding Invitation & Content Management System project featuring a web-based invitation system with frontend in Next.js and backend in Java; includes content management and user-facing features.
Mobile App Developer (Social Projects) at Self-initiated / Freelance
July 1, 2023 - PresentDeveloped mobile applications including Career Center, Trash Collection, and Blood Donor apps for public health use; technologies include Flutter for frontend and Flutter-based solutions for cross-platform deployment.
Full Stack / CAPA Monitoring System Project at Self-initiated / Freelance
July 1, 2023 - PresentFrontend using Flutter; web-based Monitoring System for Corrective Action (CAPA) resulting from audits; involved in end-to-end development and testing.
Education
Diploma in Meteorology & Instrumentation at Academy of Meteorology & Instrumentation
January 1, 2016 - January 1, 2019Bachelor of Computer Science at Binus University
January 1, 2020 - January 1, 2023Diploma at Academy of Metrology & Instrumentation
January 1, 2016 - January 1, 2019Diploma to Bachelor at Bina Nusantara University
January 1, 2020 - January 1, 2023Bachelor of Computer Science at Binus University
January 1, 2020 - January 1, 2023Diploma in Metrology & Instrumentation at Academy of Metrology & Instrumentation
January 1, 2016 - January 1, 2019Diploma to Bachelor in Computer Science at Bina Nusantara University
January 1, 2020 - January 1, 2023Diploma in Metrology & Instrumentation at Academy of Metrology & Instrumentation
January 1, 2016 - January 1, 2019Diploma in Computer Science at Bina Nusantara University
January 1, 2020 - January 1, 2023Diploma in Metrology & Instrumentation at Academy of Metrology & Instrumentation
January 1, 2016 - January 1, 2019Qualifications
Industry Experience
Software & Internet, Education, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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