CSG Systems International, Inc. logo

React UI Senior Software Development Engineer

Job Overview

Location

Brazil Remote

Job Type

Full-time

Category

Software Engineering

Date Posted

May 22, 2026

Full Job Description

đź“‹ Description

  • • React UI Senior Software Development Engineer role focused on developing new features for CSG’s cloud-based digital BSS Ascendon Platform, contributing to impactful product innovation.
  • • Day-to-day responsibilities include designing and implementing high-performance, reusable UI components using React, collaborating with global teams across Chicago, Denver, Omaha, Bangalore, and Brisbane, and applying Agile/Scrum/Kanban methodologies with CI/CD and test automation.
  • • The Ascendon R&D team is part of CSG Systems International, a company with over 40 years of experience empowering brands to solve complex business challenges through technology, guided by principles of impact, integrity, and inspiration.
  • • In this role, you will deepen your expertise in modern frontend development, test automation, and scalable web architecture while contributing to enterprise-scale platforms used by global clients.

🎯 Requirements

  • • Bachelor’s Degree in Computer Science, Computer Engineering, or related field
  • • 5+ years programming in JavaScript/ES6, HTML, CSS and cross-browser development with advanced experience in Chrome Developer Tools
  • • 3+ years of experience with modern web frameworks (React, Angular, Vue.js, etc.) and structuring large web UI applications
  • • Experience with automated unit, integration, and end-to-end testing (e.g., Mocha, Karma, Jasmine, Cypress, Protractor, TestCafe)
  • • Experience in modern JavaScript build environments (Gulp, Grunt, Webpack, Yarn, NPM)
  • • Experience implementing high-performance, reusable code for UI components and test automation

🏖️ Benefits

  • • Sulamerica Health
  • • Sulamerica Dental
  • • Food/Meal Voucher
  • • Child Care Assistance
  • • Day off on birthday
  • • Gympass
  • • Language assistance
  • • Digital course platform
  • • Volunteer time off: 2 days a year

Skills & Technologies

JavaScript
React
Vue.js
Angular
Cypress
Frontend
Senior
Remote
Degree Required

Ready to Apply?

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CSG Systems International, Inc. logo
CSG Systems International, Inc.
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About CSG Systems International, Inc.

CSG Systems International provides cloud-based revenue management, customer experience, and payment solutions for communications, media, and other service providers worldwide. Its platform handles billing, charging, mediation, analytics, and digital monetization across wireless, wireline, cable, satellite, and OTT services. The company supports complex partner settlements, content monetization, and customer lifecycle management, serving large enterprises and government clients. Operations span North America, Europe, and Asia-Pacific.

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