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Gerrant Enriqo Hiya, S.Kom.
S.Kom. Computer ScienceIT Developer Β· IT Consultant
Professional Summary
Software Developer with a decade of programming experience and 8 years building real-world systems. Experienced in PHP, Laravel, Next.js, and Flutter, delivering secure, scalable solutions across education, legal, hospitality, and enterprise sectors. Information Systems graduate (GPA 3.88) with two journal publications.
Engineering Experience
Tarumanagara Foundation (Full-time)
Developed and maintained mobile applications using Laravel and Flutter, including database design, feature development, and backend integration to ensure scalable, efficient, and reliable application performance.
- Built UntarX, a Flutter + Laravel mobile app integrating 10+ units, used by 1000+ students and staff.
- Designed an encrypted patient-record system with access controls blocking direct DB reads, including by developers.
S&P Law Office (Contract)
Develop and manage web application based on CodeIgniter and Laravel Framework.
- Develop and maintain 5+ internal apps (document management, webinars, recruitments, appointments management, etc.) on CodeIgniter
Universitas Tarumanagara (Research / Academic)
Conducted research and developed an e-commerce recommendation system based on the TF-IDF algorithm.
- Developed a web-based e-commerce platform featuring a TF-IDF-based product recommendation system, search functionality, and best-selling product features to enhance product discovery, user experience, and sales insights.
- Built backend services using PHP and Laravel, with MySQL database management to support product catalogs, user interactions, recommendation algorithms, and efficient data retrieval.
- Handled 2000+ products with 10,000+ reviews to tune TF-IDF Recommendation relevance.
PT Karabha Digdaya (Internship)
Assisted in Management Information Systems (MIS) operations, internal enterprise technical support, and infrastructure maintenance.
- Developed a restaurant management system with automated order routing to streamline operations between payment, kitchen, bar, and serving teams, ensuring orders are processed immediately after payment confirmation.
- Implemented real-time performance tracking and management dashboards to monitor preparation and serving times, evaluate
- employee performance, and provide top management with actionable operational insights.
JIAC (Jakarta International Arbitration Centre) (Contract)
Developed and maintained institutional web systems for Jakarta International Arbitration Centre.
- Developed and maintained the official Jakarta International Arbitration Centre (JIAC) website, implementing content management features for institutional information, news, organizational profiles, and arbitrator directories to enhance digital presence and information accessibility.
- Implemented an interactive arbitration fee calculator and structured website navigation to simplify access to arbitration services,
- provide cost estimates based on claim amounts, and improve the overall user experience for legal professionals and businesses.
Universitas Tarumanagara (Contract)
This system is designed to streamline the assessment and administrative processes of thesis management at the Faculty of Information Technology, Untar.
- Developed a web-based thesis administration system to manage the complete academic workflow, including student registration, supervision tracking, proposal submissions, thesis evaluations, final defense, and thesis extension processes for students who do not pass.
- Implemented supervisor and faculty management features for progress monitoring, assessment records, supervision history, and centralized student archives, enabling efficient academic administration and comprehensive tracking of active and completed thesis candidates.
Universitas Tarumanagara (Academic)
Conducting practical sessions for over 100 students in the courses Database Design & Management, Oracle Database Administrator, Algorithms and Programming, Analysis & Design of Information Systems, and Web Development.
- Conducted practical laboratory sessions for over 100 students across six IT courses, covering database management, programming, information systems analysis and design, object-oriented programming, and web development.
- Guided students through hands-on assignments, database implementation, software development, and technical troubleshooting, bridging theoretical concepts with practical application while strengthening their programming and problem-solving skills.
Academic Education
Bachelor of Computer Science (S.Kom.) β Information System
Focused on Information Systems, Software Engineering, Database Management, and applied research in Recommendation Systems and IoT. Completed undergraduate thesis on IoT telematics systems, served as Assistant Lecturer across core computer science courses, and worked as Research Assistant.
Core Technical Competencies
Selected Projects & Systems
Professional Credentials
Academic Publications
Jurnal Ilmu Komputer dan Sistem Informasi (2026) Β· DOI: 10.24912/jiksi.v14i2.38551
Internet of Things and Artificial Intelligence Journal (2025) Β· DOI: doi.org/10.31763/iota.v5i4.1057