Hi all, I'm Mark Joseph

Software Engineer specializing in Kotlin and Java with experience in building scalable mobile applications using Jetpack Compose, Firebase, REST APIs, and modern Android development practices. Passionate about creating high-performance and user-friendly mobile experiences. I also have skills in ReactJS and NextJS for web development. I am eager to contribute my expertise to innovative projects and collaborate with talented teams.

What I do

SOFTWARE ENGINEER WHO WANTS TO EXPLORE EVERY TECH STACK

Software Engineering Skills

⚡ Develop Web and Android applications using Kotlin and Java for Android, Flutter for both iOS and Android, and ReactJS, NextJS and Ruby on Rails for web development

⚡ Build modern UI with Jetpack Compose and XML, and responsive web design with ReactJS and NextJS

⚡ Integrate RESTful APIs and Firebase services

⚡ Optimize app performance and fix bugs

⚡ Use MVVM architecture and clean code practices

⚡ Manage local databases and background tasks

⚡ Publish and maintain apps on the Google Play Store

⚡ Collaborate with designers and backend developers

⚡ Maintain and improve existing web and mobile applications

Proficiency

Android Development
95%
Kotlin
90%
Java
85%
Flutter
75%
React Native
70%
Ruby on Rails
60%
ReactJs
80%
Git
90%
Android Studio
90%
Visual Studio Code
90%

Education

University of San Carlos - Talamban
Certificate in Computer Techonology - Major in Software Development
April 2013 - April 2016

    Experience

    /img/icons/common/nerubia.png

    Nerubia Web Solutions Inc.

    Software Engineer
    Mar 2016 - Mar 2026
    I worked as a Software Engineer responsible for developing and maintaining mobile and web applications. My role included Android development using Kotlin and Java, API integration, Firebase implementation, bug fixing, performance optimization, and collaborating with the development team to deliver scalable and user-friendly software solutions. For web development, I utilized ReactJS and NextJS to create responsive and dynamic user interfaces. I also contributed to the design and architecture of applications, ensuring high-quality code and adherence to best practices.
      /img/icons/common/feiwin.jpg

      FeiWin

      Senior Android Developer
      Mar 2026 - May 2026
      I worked on developing new features, fixing application bugs, and collaborating closely with the QA team to ensure software quality, stability, and smooth user experience.

        Our Clients Feedback

        Julius Cabug-us

        Team Lead, Android Development Team

        Jesrel Padriga

        Android Developer

        Christine Marie Cornelio

        Scrum Master

        I had the opportunity to work closely with Mark at Nerubia Web Solutions Inc. as his Project Manager/Scrum Master. He was highly dependable, technically skilled, and consistently delivered on his commitments. Mark worked professionally, adapted well to feedback, and was always proactive in solving challenges. He was a valuable part of the team, and I’m grateful to have worked with him.

        Projects

        Home Credit Philippines

        Money Lending App (NMA) using Flutter. This project is the Flutter-based version of the Money Lending App (LMA), offering support for iPhones. Additionally, it extends its reach to international markets, including India, Indonesia, and Vietnam.

        Demo

        Old - Home Credit Philippines

        Money Lending App (LMA) for Native Android. This project is a comprehensive finance app offering loans, e-wallet services, shopping, and card management, along with VAS support. Designed exclusively for Native Android, it is currently available only in the Philippines. As a trusted all-in-one payment and top-up solution, it provides a seamless, secure, and reliable way to manage digital transactions. With a virtual credit card, users can conveniently pay bills, book flights, shop online, and more. Partnering with hundreds of merchants, the platform ensures fast, hassle-free transactions anytime, anywhere.

        Finance App

        This project is a feature-rich finance app designed exclusively for Android Native. It offers a seamless and secure platform for managing digital transactions, including e-wallet services, remittances, and various other financial functions. With a user-friendly interface, the app provides a convenient way to send money, make payments, and handle everyday financial needs with ease.

        iAssess - Online Assessment Platform

        An online talent assessment platform designed for Web, Android, and IOS. It supports organizations in identifying and recruiting top talent while maximizing their potential. It enables clients to administer psychometric tests and obtain real-time results. The platform offers a comprehensive suite of features, including test creation, candidate management, and detailed analytics. With a user-friendly interface and robust functionality, it streamlines the assessment process, helping organizations make informed hiring decisions and optimize their talent acquisition strategies.

        Demo

        KH360 - Performance Review Platform

        A comprehensive web-based application designed to facilitate holistic employee assessments by collecting feedback from peers, managers, and HR personnel. This multi-source approach ensures a well-rounded evaluation of an employee's performance. The system computes evaluation scores, generates detailed reports summarizing feedback and recommendations for professional development. Visual representations, including graphs of z-scores, provide clear insights into performance metrics, enabling employees and management to identify strengths and areas for improvement effectively. Additionally, it is a Human Resources tool providing services like timesheets, lists of leaves, tardies, and holidays .

        Reach Out to me!

        DISCUSS A PROJECT OR JUST WANT TO SAY HI? MY INBOX IS OPEN FOR ALL

        Villa Paz, Jaro Leyte