Senior React Developer (Brazil)

anastasiia korytnyuk

Published: 2 Jun, 2025

We are looking for a Senior React Developer for our US-based client’s creative data company. Its scoring software and analytics have become an essential ingredient in the creative and media decisions of the world’s largest marketers and agencies, as they strive to drive business results through improved creative effectiveness. They collaborate with Johnson&Johnson, Meta, Burger King. 


Project – is the world’s leading platform for Intelligent Creative. They provide an end-to-end technology solution for all of the brand’s creative needs. It is an integrated platform combining AI-powered creative analytics with a production workflow system connected to a global network of expert creators. This platform dramatically improves ad campaign ROI through actionable creative insights, faster creative turnaround, better performing ads and streamlined workflow. 

Experience / Skills required: 

Must have: 

  • 8+ years in Frontend development using React, ReactJS, Typescript  
  • Understanding the fundamentals of modern web development, including: accessibility, usability, responsive design, testing and debugging, CORS and CSP, and bandwidth and browser constraints  
  • Experience sagas, hooks, jest  
  • Upper-Intermediate English and better 

Good to have: 

  • Experience with NestJS and Node.JS 
  • Typescript 

Responsibilities: 

  • Develop and maintain user interfaces as part of a feature-focused full-stack development team 
  • Create efficient, modular, and reusable UI components while ensuring a seamless user experience 
  • Optimize front-end performance for speed and responsiveness on various devices
  • Implement and maintain automated testing and monitoring systems to ensure code reliability
  • Collaborate with designers and backend developers to align technical implementation with user-centric design goals
  • Ensure compliance with accessibility standards to support diverse user needs
  • Conduct code reviews and possibly provide mentorship to support junior developers

We offer:  

  • Competitive salary with the regular review 
  • Vacation (up to 20 working days) 
  • Paid sick leaves (10 working days) 
  • National Holidays as paid time off 
  • Flexible working schedule, remote format  
  • Direct cooperation with the customer 
  • Dynamic environment with low level of bureaucracy and great team spirit 
  • Challenging projects in diverse business domains and a variety of tech stacks 
  • Communication with Top/Senior level specialists to strengthen your hard skills 
  • Online teambuildings 

    Send CV

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      Dear ,

      Thank you for applying for the position at nCube. Your application has been successfully received and is currently under review by our recruitment team. We will be in touch soon to discuss your application further and to outline the next steps if your skills and expertise are a match with the requirements. In the meantime, feel free to browse our Company Blog for the latest updates and insights.

      Looking forward to connecting with you soon!

      Best regards,
      nCube Recruitment Team

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