Joshua Philip Unilongo — Software Developer Portfolio

About me

I'm a software developer with 2.5 years of experience, mostly working on React-based web applications—converting Figma designs into interactive features, enhancing frontend functionality, and implementing backend APIs.

While I have experience across the full stack, my primary focus is backend development. I am continuously improving my skills by building backend systems, developing and integrating APIs, implementing new features, and designing database schemas that support efficient and maintainable applications.

Frontend

Convert Figma/UI designs into responsive web pages and interactive features
Enhance UI/UX and frontend logic, including state management and component updates
Integrate REST and GraphQL APIs with client-side logic
Implement client-side validation, forms, and dynamic interactions
Optimize performance and ensure cross-browser/device compatibility

Backend

Develop and maintain backend services and API endpoints
Implement authentication/authorization middleware (JWT, token validation)
Design and manage database schemas and collections
Handle queries, migrations, and ensure data integrity
Implement error handling, logging, and request validation

Collaboration & Communication

Coordinate with team members via Slack and MS Teams
Participate in Agile workflows using GitHub, GitLab, Jira, Azure DevOps, and Notion

General

Implement new features and enhancements in ongoing projects
Debug and fix frontend and backend issues
Maintain and improve existing codebases for stability and scalability

Skills & Technologies

These are the technologies and tools I've used across projects, grouped by area.

Frontend

HTML
CSS
JavaScript
TypeScript
React
Next.js

Backend

Express.js
NestJS
Node.js

Databases

MongoDB
PostgreSQL
MySQL

DevOps

Docker
Nginx

Tools

GitHub
GitLab
Postman
Jira
Notion
Azure DevOps

Work Experience

My professional experience and work history.

Junior Full-Stack Developer

Doable Services

Daet Camarines Norte, Philippines.

Jan 2024 | Oct 2024

Started my professional journey as a Junior Full-Stack Developer in a startup environment focused on building booking-based web applications. Worked closely with a senior developer to learn industry practices while contributing to both frontend and backend tasks across various projects.

Key Achievements

First professional role building booking-based web applications in a startup environment
Contributed to frontend and backend tasks under senior developer mentorship
Participated in sprint discussions and task tracking using Notion
Gained foundational experience across React, Next.js, Node.js, and database operations
Helped integrate third-party APIs and performed testing and bug fixes

Full-Stack Developer (Consultant)

Mobii PH

Makati, Philippines

Sep 2024 | Feb 2025

Worked as a Full-Stack Developer consultant in a startup environment, contributing to a milestone-based web application with DApp integrations. Focused primarily on backend development while supporting frontend features. Collaborated with local and international teams within a structured milestone delivery setup.

Key Achievements

Consultant role on a milestone-based product with local and international teams
Primary focus on backend development with NestJS and PostgreSQL
Contributed to Web3 authentication and DApp portal integration requirements
Participated in milestone delivery cycles with progress reporting and deployment coordination
Resolved cross-layer bugs to improve system stability

Backend Developer

WYNTAP I.T Solutions Incorporated.

Block 6 Lot 7, Subdivision Winterbreeze Dr, Subdivision, SJDM, 3023 Bulacan, Philippines.

Jul 2024 | Present 2026

Working as a Backend Developer on the internal project Veentap, contributing as a shareholder and core team member. Focused on backend ownership, feature delivery, and collaborating with the team during planning and implementation.

Key Achievements

Core team member and shareholder contributing to project decisions
Own backend feature delivery from Jira tickets through implementation and review
Participate in backend planning discussions for features and workflows
Work under senior engineer/CEO mentorship to improve code quality and practices
Collaborate with frontend developers and cross-functional team members

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Software Developer

Blackfort Consulting, Inc.

Unit 6i, 67 Bayani Rd, Taguig, 1630 Metro Manila, Philippines.

Mar 2025 | Oct 2025

Worked across multiple client projects spanning backend APIs, .NET healthcare systems, and frontend development. Collaborated closely with cross-functional teams including QA, designers, and business analysts within each engagement.

Key Achievements

Contributed to multiple projects across JavaScript APIs, .NET, and Gatsby.js
Collaborated with QA, designers, and BAs on Cebu Pacific Air, Human Milk Bank, and corporate website projects
Adapted quickly across different technology stacks and team workflows
Delivered backend and frontend contributions within Agile sprints using Azure DevOps

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Projects

Here are some projects I’ve contributed to, with permission to showcase on my portfolio.

Veentap

Jul 2024 | Present 2026

Veentap is an all-in-one event management platform designed for suppliers and clients. It makes it easier for event vendors to showcase their services, manage orders, and connect with clients seamlessly — from bookings to payments, all in one place.

Blackfort website revamp

Mar 2025 | Oct 2025

This project is the official corporate website of Blackfort PH — a landing page designed to showcase the company's services, clients, and career opportunities. It serves as their primary digital presence, promoting the brand, highlighting completed projects, and helping attract both new clients and potential hires.

Breast Milk Link

Mar 2025 | Oct 2025

A dashboard-based healthcare system built with ASP.NET Web API, Blazor, and SQL to manage donor registration, screening workflows, milk processing, inventory tracking, and dispensing operations.

Up English Vietnam

2026 | 2026

Contributing as a Backend Developer to Up English Vietnam, an online English learning and IELTS-style examination platform. Focused on continuing backend development, implementing new features, resolving bugs, and refining workflows while exploring and understanding the existing codebase.