Job title: Senior Client Platform Engineer
Job type: Permanent
Emp type: Full-time
Industry: Web3/Gaming/Digital Assets
Salary type: Annual
Salary: Negotiable
Location: NJ, US
Job published: 02/07/2026
Job ID: 252557

Job Description

We are working with a global technology business that's investing heavily in its shared client platform, supporting products used by millions of players worldwide.

This is a hands-on senior engineering role where you'll design and build scalable client-side features, influence technical direction, and help maintain high-quality, reliable web and mobile platforms.

What you'll do

  • Develop and maintain scalable client applications across web and mobile.
  • Build with React, JavaScript/TypeScript, PHP, HTML/CSS and modern frontend technologies.
  • Drive code quality through reviews and technical leadership.
  • Support authentication, payment and monetisation systems.
  • Collaborate with Product, QA and Backend teams to deliver new features.

Tech Stack

  • React, JavaScript, TypeScript
  • PHP, WordPress
  • Google Cloud Platform, Firebase
  • REST APIs, OAuth
  • Git, Docker, Jenkins
  • Sentry

 

What we're looking for

  • Strong React and modern JavaScript/TypeScript experience.
  • Experience building large-scale web applications.
  • Knowledge of shared platforms, authentication or payment systems.
  • Passion for clean, maintainable code and mentoring other engineers.