Hello Everyone 👋, I’m Sergio Jose Valente

Full-Stack Developer & Database Trainer

I specialize in building secure, scalable web applications and managing database systems that power both public and private sector platforms in Timor-Leste. With experience in PHP, Go, PostgreSQL, and MySQL, I enjoy transforming complex systems into accessible tools — whether through backend engineering, real-time monitoring, or training future developers.

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Sergio Jose Valente

About Me

Empowering Digital Solutions for Timor-Leste

I’m an experienced Full-Stack Developer and Database Specialist with a proven track record delivering database-driven applications and IT solutions across government and corporate sectors in Timor-Leste. I specialize in backend development, data systems, and technical training.

Let’s Connect

Find me on social media and let's collaborate to build impactful and scalable tech solutions for our community.

Portfolio

Latest Projects

A selection of real-world projects and internal systems I've developed for public, private, and governmental organizations.

Xanana Reading Room

Xanana Gusmão Reading Room

A public-facing web platform for course registration, digital certification, and event scheduling with QR validation.

Jogos CPLP 2025

Official Portal for Jogos CPLP 2025

Portal for athlete registration and QR-based ID validation with real-time mobile verification app.

INTL Employee Management

INTL Employee Management System

Internal web platform for managing employee data, attendance tracking, and operational reports for Timor-Leste’s national printing office (INTL). Access Restricted.

TAIS 2025

Telkomcel Annual Internationnal Summit (TAIS) - 2025 Platform

Integrated platform for managing international summit attendees, schedules, and speaker content, developed using Go and Flutter.

ICS Library System

ICS Library Management System

Barcode-based system for physical book lending, student tracking, and visitor monitoring developed in CodeIgniter 4.

VAS Management

Telkomcel VAS & SMS Platform

Internal application for managing Telkomcel’s Value-Added Services. Access Restricted.

VAS Broadcast

Telkomcel VAS & SMS Platform

Internal application for managing Telkomcel’s Value-Added Services. Access Restricted.

Telkomcel Ticketing

Enterprise Ticketing System

Internal web application to manage corporate client support requests and escalation workflow. Access Restricted.

MSA Platform

Multi Science Academy (MSA)

An educational platform built for digital classrooms, bootcamps, and academic job matching using modern full-stack tech.

Clients

Organizations I've Collaborated With

These are some of the institutions and organizations I've worked with through various web development, database systems, and digital transformation projects.

Contact

Get In Touch

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