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Aspiring software developer focused on building interactive web and mobile applications with modern stacks like TypeScript/React, MERN (Node.js/Express), and Flutter with Firebase. I enjoy solving data-heavy problems and designing clean CRUD workflows that help users manage and analyze information securely.…

Joshua Pagcaliwagan

Software Engineer, Programmer, Web Developer, +2

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Aspiring software developer focused on building interactive web and mobile applications with modern stacks like TypeScript/React, MERN (Node.js/Express), and Flutter with Firebase. I enjoy solving data-heavy problems and designing clean CRUD workflows that help users manage and analyze information securely.…

Available to hire

Aspiring software developer focused on building interactive web and mobile applications with modern stacks like TypeScript/React, MERN (Node.js/Express), and Flutter with Firebase. I enjoy solving data-heavy problems and designing clean CRUD workflows that help users manage and analyze information securely.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Amharic

Intermediate

Work Experience

Web Developer (TypeScript, ReactJS, Firebase) at Virat Genomic Website

May 1, 2026 - Present

Built an interactive platform to process viral DNA sequences by translating raw genomic strings across six reading frames. Implemented a complete data lifecycle (CRUD) to create, read, update, and delete DNA sequence records, while also enabling researchers to load prior analysis histories and add custom research notes. Integrated Firebase Auth to manage secure researcher accounts, ensuring private access to individual analysis history panels.

Database & Reporting Developer (MariaDB, Python) at Student Organization Management System

May 1, 2025 - Present

Developed complex SQL queries to produce analytical and operational reports for a membership and fees management system. Implemented report queries to retrieve members by role, status, degree program, batch, committee, and alumni status across academic years and semesters. Collaborated with teammates responsible for the Python-based GUI to integrate SQL report outputs into the application interface.

Mobile App Developer (Flutter, Firebase) at Roamie Travel App

May 1, 2025 - Present

Implemented the Travel Plans screen in a Flutter app, enabling users to create, view, edit, and delete travel plans via a clean UI. Connected the feature to Firebase Cloud Firestore using existing data structures for displaying and updating user-specific and shared travel plans. Added user-based filtering so only plans owned by or shared with the signed-in user are shown. Enforced edit and delete restrictions at the app level so users can only modify plans they own.

Back-End Developer (MERN Stack) at Freshly Picked E-commerce Website

May 1, 2025 - Present

Designed and implemented backend architecture using Node.js and Express with RESTful APIs for a farm-to-consumer e-commerce platform. Built and managed MongoDB schemas for users, products, and order transactions to maintain data consistency across authentication, inventory, and ordering workflows. Developed CRUD APIs for product listings with inventory tracking and dynamic quantity updates upon order confirmation. Implemented order management logic supporting pending, completed, and canceled orders with automatic inventory deduction when merchant confirmation occurs.