Sylvelter Judin Profile Picture

● Available for work

Software Engineer,
Mobile App Developer.

A Software Engineer candidate specializing in mobile & web application development, on-device AI/ML integration, and secure, scalable system architecture. Passionate about delivering clean, user-centric solutions.

A developer who bridges intelligent systems with great UX.

A dynamic software engineer with a strong foundation in mobile and web application development. Highly proficient in Flutter and backend services like MySQL, PostgreSQL, and NoSQL databases such as Firebase and Supabase. Passionate about integrating artificial intelligence into software specifically on-device machine learning. Proven ability to adapt to challenging technical requirements, produce excellent outcomes, and deliver clean, user-centric code.

Location Kuching, Sarawak, Malaysia
Education B.Sc. Software Engineering, UNIMAS (2022–2026)

Core Tech Stack

Languages

DartPythonJavaScriptTypeScriptPHPC#JavaC/C++SQLHTML/CSS

Frameworks & Libraries

FlutterReactNode.jsLaravelVue.jsAngularBootstrapTensorFlow Lite

Tools & Technologies

FirebaseSupabasePostgreSQLMySQLRedisGitAzure DevOpsFigmaDockerPostman

Where I've
worked.

Freelance Developer

Jan 2026 – Present

Azzam Reezky Group (ARG)

  • Engineered Kopidu's full three-part product suite: consumer Flutter mobile app, admin application, and public-facing website using Provider and GoRouter.
  • Developed operational admin app with real-time FL Chart data visualization and Cloudinary cloud image pipelines.
  • Integrated Revenue Monster API with custom RSA (SHA-256) signing for secure FPX and e-wallet checkouts.
  • Built a Supabase backend with automated payment reversal and refund system triggered by administrative cancellations.

Software Engineer Intern

Mar 2025 – Aug 2025

PETRONAS Digital Sdn Bhd

  • Contributed to ALES, an enterprise management system supporting Upstream and Downstream PETRONAS Digital operations.
  • Worked in an Agile/Scrum environment using Azure DevOps for sprint planning, backlog tracking, and issue management.
  • Developed application features using C# and Angular, focusing on responsive UI and seamless system integration.
  • Assisted in managing CI/CD pipelines and deployment processes across development and staging environments.

Freelance IT Support

2020 – 2022

Kolej Matrikulasi Labuan (KML)

  • Provided laptop repair and troubleshooting services including hardware diagnostics, software installation, and system optimization.
  • Resolved technical issues efficiently and delivered customer support with strong client relationship management.

Selected Works,
Featured Projects.

A selection of my recent work in mobile development, web systems, and AI-integrated software engineering.

FoundIT.

AI-Powered Lost & Found System — Degree FYP

Explore more →
FoundIT App Icon

Kopidu.

Coffee Ordering & Loyalty Mobile App

Explore more →
Kopidu App Icon

ALES.

Enterprise Management System — PETRONAS Digital

Explore more →
AL

Phototake.

Photography Studio Management App

Explore more →
Phototake App Icon

Achievements &
Recognition.

Gold Award — EDGII GAMILAB

Led a team to secure Gold Award by designing an innovative educational solution at Kolej Matrikulasi Labuan. 2022

NASA Space Apps Challenge

Participated in the global NASA hackathon at UNIMAS, collaborating to solve real-world space exploration challenges. 2025

Top Campus Ambassador — Hotlink

Recognized as the highest-performing ambassador across the Sarawak region for exceptional brand engagement and outreach. 2025

Speaker — Empowering Teaching with Gemini

Facilitated live demos of Gemini's multi-modal capabilities including prompt engineering and AI-driven educational content generation. 2025

Competitor — CodeNection 2023 & 2024

Demonstrated advanced problem-solving logic and algorithm optimization in a high-pressure coding environment at UNIMAS. 2023, 2024

Facilitator — Robotics from Scratch

Conducted hands-on workshops to introduce foundational robotics programming to secondary school students in Sarawak. 2023

Let's
Connect.

Open to full-time roles, freelance collaborations, and interesting project discussions. Drop me a message and let's connect.

sylvelter9@gmail.com
+601125309019
Kuching, Sarawak, Malaysia