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Hi, I’m Josua Ronaldo Pandiangan, an Information Technology graduate from the University of North Sumatra with a focus on UI/UX Design, Graphic Design, and Software Development for web and mobile platforms. I design intuitive user interfaces with Figma and build responsive websites with React.js, while also developing mobile apps using Flutter. I thrive in end-to-end product development, from user research and prototyping to implementation, and I’m passionate about delivering high-quality digital experiences that meet real user needs. I enjoy collaborating in cross-functional teams, embracing design thinking, and continuously learning new skills across frontend, backend, and visual design. I’m motivated by translating user insights into practical, delightful interfaces and robust software solutions.…Hi, I’m Josua Ronaldo Pandiangan, an Information Technology graduate from the University of North Sumatra with a focus on UI/UX Design, Graphic Design, and Software Development for web and mobile platforms. I design intuitive user interfaces with Figma and build responsive websites with React.js, while also developing mobile apps using Flutter. I thrive in end-to-end product development, from user research and prototyping to implementation, and I’m passionate about delivering high-quality digital experiences that meet real user needs. I enjoy collaborating in cross-functional teams, embracing design thinking, and continuously learning new skills across frontend, backend, and visual design. I’m motivated by translating user insights into practical, delightful interfaces and robust software solutions.

Josua Ronaldo Pandiangan

Web Developer, Video Editor, UX Designer, +1

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Hi, I’m Josua Ronaldo Pandiangan, an Information Technology graduate from the University of North Sumatra with a focus on UI/UX Design, Graphic Design, and Software Development for web and mobile platforms. I design intuitive user interfaces with Figma and build responsive websites with React.js, while also developing mobile apps using Flutter. I thrive in end-to-end product development, from user research and prototyping to implementation, and I’m passionate about delivering high-quality digital experiences that meet real user needs. I enjoy collaborating in cross-functional teams, embracing design thinking, and continuously learning new skills across frontend, backend, and visual design. I’m motivated by translating user insights into practical, delightful interfaces and robust software solutions.…Hi, I’m Josua Ronaldo Pandiangan, an Information Technology graduate from the University of North Sumatra with a focus on UI/UX Design, Graphic Design, and Software Development for web and mobile platforms. I design intuitive user interfaces with Figma and build responsive websites with React.js, while also developing mobile apps using Flutter. I thrive in end-to-end product development, from user research and prototyping to implementation, and I’m passionate about delivering high-quality digital experiences that meet real user needs. I enjoy collaborating in cross-functional teams, embracing design thinking, and continuously learning new skills across frontend, backend, and visual design. I’m motivated by translating user insights into practical, delightful interfaces and robust software solutions.

Available to hire

Hi, I’m Josua Ronaldo Pandiangan, an Information Technology graduate from the University of North Sumatra with a focus on UI/UX Design, Graphic Design, and Software Development for web and mobile platforms. I design intuitive user interfaces with Figma and build responsive websites with React.js, while also developing mobile apps using Flutter. I thrive in end-to-end product development, from user research and prototyping to implementation, and I’m passionate about delivering high-quality digital experiences that meet real user needs.

I enjoy collaborating in cross-functional teams, embracing design thinking, and continuously learning new skills across frontend, backend, and visual design. I’m motivated by translating user insights into practical, delightful interfaces and robust software solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Research Student at University of North Sumatra

May 1, 2025 - September 17, 2025

Thesis: Classification of Tongue Lesion Images for Early Detection of Oral Cancer Using EfficientNetV2. Performed image preprocessing, dataset labeling, model training, and accuracy validation. Integrated the trained model into a Flask-based web application for real-time image classification.

IoT Developer at Independent Project

April 1, 2025 - Present

Built ESP32-based inventory monitoring system; integrated data communication with Firebase Realtime Database and MIT App Inventor.

Mobile App Developer at Independent Project

April 1, 2025 - Present

Designed and developed an Android bus ticket booking app using Flutter. Implemented user registration, ticket booking, departure scheduling, and payment flow. UI/UX designed in Figma; backend powered by Firebase.

Software Developer at Collaborative Bus Tracking Project

December 1, 2024 - Present

Collaborated on a bus tracking website using PHP and PostgreSQL; performed bug fixes and UI improvements to optimize performance.

Web Developer at Infinite Learning – Kampus Merdeka Studi Independen

January 31, 2023 - July 31, 2025

Participated in mentorship sessions covering UI/UX design, web fundamentals (HTML, CSS, JavaScript), React.js, and backend development using Express.js, Node.js, and MongoDB. Contributed to three web projects: OneClick Dokter, Freedom, and Unicate by applying design thinking methodologies, designing UI/UX interfaces using Figma, developing full-stack web applications, and publishing Unicate as a featured project. Also contributed as a video editor for the Developer Festival event.

Web Developer at Infinite Learning – Kampus Merdeka Studi Independen

January 1, 2023 - September 17, 2025

Participated in mentorship sessions on UI/UX, web fundamentals (HTML, CSS, JavaScript), React.js, and backend development with Express.js, Node.js, and MongoDB. Contributed to three web projects (OneClick Dokter, Freedom, Unicate) by applying design thinking, conducting research, and prototyping in Figma, then implementing full‑stack features with React, Node.js, Express, and MySQL. Unicate was featured as a project highlight. Also contributed as a video editor for the Developer Festival.

REST API Developer at Final Campus Project

June 1, 2022 - September 17, 2025

Developed a REST API for a public health status service used by hospitals, including authentication, patient status input, and cross-service integration for centralized data access.

Web Developer at Final Campus Project

June 1, 2020 - September 17, 2025

Developed a MEAN stack university student directory website with full CRUD functionality.