Senior Frontend Developer (React)

Cobra Studio is looking for a Senior Frontend Developer with strong experience in React to join an international team working on high-impact products. We are seeking someone who is not only technically solid but also an excellent communicator, capable of sharing ideas clearly, learning independently, and taking full ownership of their work. This is a full-time remote position with compensation in US dollars.

React.js
Node.js
* Only applicants living in: Argentina, Chile, Uruguay, Paraguay, Ecuador, Guatemala, El Salvador, Honduras, República Dominicana
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JOB DESCRIPTION:

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Benefits and conditions

  • 100% remote work – collaborate from anywhere in the world.
  • Flexible working hours to support a healthy work-life balance.
  • All necessary equipment provided to set you up for success.
  • Engaging, dynamic projects with plenty of room for learning and professional growth.
  • Competitive compensation in USD.

Requirements

  • 4+ years of professional experience in React (Senior level).
  • Solid knowledge of Node.js.
  • Strong experience and commitment to unit testing.
  • Advanced English (minimum B2+, ideally C1) — excellent written and verbal communication skills are required.

Nice to have

  • Experience with Kubernetes.
  • Experience with ElasticSearch.
  • Experience with Native Mobile Apps.
  • Valid U.S. visa (optional, but valued).

Soft Skills

  • Strong communication skills: ability to explain technical concepts clearly and confidently.
  • High autonomy and self-learning mindset.
  • Strong problem-solving skills.
  • Ownership and accountability for assigned tasks.

Responsibilities 

  • Develop scalable web applications using React.
  • Participate in architecture discussions and technical design.
  • Write and maintain solid unit testing (this is a must).
  • Collaborate with international teams, clearly explaining technical decisions and proposing improvements.
  • Provide backend support using Node.js when required.
  • This role is approximately 70% Frontend (React) and 30% Backend (Node.js).

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