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Principal Fullstack Engineer (React / Node.js)

📍 Location
Buenos Aires
⏰ Job Type
Full Time
📅 Posted
June 19, 2026

About the Role

We are looking for a Principal Fullstack Engineer who can operate with a high degree of autonomy and ownership while working directly with clients, architects, product stakeholders, and engineering teams.
We are seeking a highly experienced engineer capable of independently driving technical decisions, challenging requirements, proposing solutions, and acting as a trusted technical partner in client-facing discussions.

What You’ll Do:
● Act as a senior technical authority for complex full-stack initiatives.
● Work directly with clients to understand business challenges and translate them into technical solutions.
● Participate in architecture discussions and drive technical decision-making.
● Challenge assumptions and provide recommendations based on engineering best practices.
● Design, build, and evolve scalable frontend and backend solutions.
● Drive technical discussions independently and communicate effectively with both technical and n...

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