I'm open for work

Backend Developer | Remote

NodeJs, NestJs, MongoDB

Joshua Philip Unilongo

Backend Developer

A self-taught backend developer who loves building backend systems, integrating APIs, and solving real-world problems—no degree, just grit and code.

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.

I’m now focusing primarily on backend development and aiming to grow further in this area by building backend systems, creating and integrating APIs, implementing features, and resolving database schemas to ensure efficient data handling.

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 some technologies I’ve used and have experience with, depending on the project.

  • HTML

  • CSS

  • JAVASCRIPT

  • TYPESCRIPT

  • REACTJS

  • NEXTJS

  • EXPRESSJS

  • NESTJS

  • MONGODB

  • POSTGRESQL

Here’s a list of tools I’ve worked with to support development and collaboration.

  • POSTMAN

  • GITHUB

  • AZURE

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 senior developer to learn industry practices while contributing to both frontend and backend tasks across various projects.

Key Achievements

  • Assisted in implementing frontend features using React and Next.js under senior guidance

  • Contributed to backend API development using Node.js and Express

  • Worked with MongoDB and PostgreSQL to support basic data operations

  • Helped integrate third-party APIs and troubleshoot issues during development

  • Assisted in configuring CMS platforms such as Strapi and Prismic

  • Performed testing and bug fixes to improve application stability

  • Participated in sprint discussions and task tracking using Notion

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 the development of a milestone-based web application with DApp integrations. Focused primarily on backend development with NestJS and PostgreSQL, while supporting frontend features using Next.js. Collaborated with local and international teams to implement integrations, APIs, and feature enhancements within a structured milestone delivery setup.

Key Achievements

  • Developed and maintained backend APIs using NestJS and PostgreSQL

  • Implemented frontend components and enhancements using Next.js

  • Integrated Web3 authentication flows with Web3Auth

  • Contributed to DApp portal and LIFF integration requirements

  • Resolved bugs and enhanced system stability across backend and frontend layers

  • Participated in milestone-based development cycles with progress reporting and deployment coordination

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 logic, adding new features, enhancing existing endpoints, debugging, and collaborating with the team during planning and implementation.

Key Achievements

  • Core team member and shareholder contributing to project decisions

  • Developed and maintained REST API endpoints based on Jira ticket requirements

  • Participated in backend planning discussions for features and workflows

  • Implemented new backend features as required by the application

  • Debugged and enhanced existing endpoints to improve performance and reliability

  • Followed best practices in folder structure, schema organization, and API design

  • Worked under the guidance of the senior engineer/CEO to follow best practices and improve code quality

  • Expanded technical knowledge by implementing features with tools I hadn’t encountered before, such as Xendit, Redis, and AWS S3, and continued exploring new technologies as the project evolves

Software Developer

Blackfort Consulting, Inc.

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

Mar 2025 | Oct 2025

Worked on different projects in both backend and frontend development. Initially joined as a Backend Developer and later contributed to projects involving multiple technology stacks, including JavaScript-based APIs, .NET applications, and frontend development using Gatsby.js. Collaborated closely with cross-functional teams, including QA, designers, and BAs, within each project.

Key Achievements

  • Worked on the Cebu Pacific Air project as backend developer using JavaScript and API integrations (Apigee)

  • Assisted in developing a Human Milk Bank Management System using ASP.NET Web API, Blazor, and SQL

  • Implemented and modified RESTful endpoints and database schemas within a Clean Architecture (CQRS) structure

  • Integrated backend updates with frontend components when required

  • Contributed to the Blackfort official website using Gatsby.js

  • Collaborated with cross-functional teams, including QA, designers, and BAs, within each project

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 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. Work is ongoing, providing an opportunity to improve both feature functionality and backend system reliability.

Get in Touch

Feel free to reach out if you have any questions or want to work together.

Crafting code and building innovative solutions

© 2026 Joshua Philip Unilongo. All rights reserved