Full-Stack Engineer (Android/PHP)

This is a remote position.

We are looking for a hands-on Full Stack Developer to improve, stabilize, and modernize an existing mobile platform.

The current project includes an Android app with a PHP-based backend and a legacy API structure. This role will be responsible for shipping feature improvements, reducing technical debt, strengthening backend and API reliability, and helping move the development workflow into a proper Git-based version control process.

The ideal candidate is comfortable working across mobile, backend, and infrastructure workflows, and can bring structure to an existing codebase while continuing active product development.

Key Responsibilities

• Maintain and improve an existing Android application written primarily in Java/Kotlin
  

  Support and enhance backend services and the API layer built around PHP and MySQL
  

  Review and improve app-to-backend integrations, including:
  

  authentication
  

  messaging
  

  subscriptions
  

  profile management
  

  related user flows
  

  Refactor legacy code where needed to improve maintainability, performance, and reliability
  

  Identify and document backend endpoints, business logic, and system dependencies
  

  Set up and enforce a clean Git workflow for the project, including:
  

  repository organization
  

  branching strategy
  

  pull requests
  

  commit standards
  

  release practices
  

  Migrate code currently managed outside proper version control into Git without disrupting ongoing development
  

  Work with the team to reduce risk during migration from ad hoc file/version management into a structured source control process
  

  Troubleshoot production issues and debug across app, API, and database layers
  

  Write technical documentation for:
  

  setup
  

  deployment
  

  architecture
  

  team workflows