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thaia®︎

Senior/Staff Platform Engineer

thaia®︎

Full-stack Platform Engineer developing features for AI-powered product visibility. Collaborate on Auth, Billing, and Business Logic in a hybrid Buenos Aires role.

Posted 4/22/2026full-timeBuenos Aires • 🇦🇷 ArgentinaSeniorWebsite

Tech Stack

Tools & technologies
JavaScriptNode.jsPostgresPythonReactTypeScript

About the role

Key responsibilities & impact
  • Build and maintain features across Auth, Billing, and core Business Logic — the systems every customer and team member touches.
  • Own self-serve improvements that reduce friction for users and reduce load on internal teams.
  • Work on the Admin Panel and internal tooling — interfaces that make the team faster and the product more operable.
  • Collaborate closely with product and design to scope, build, and ship across the full stack.
  • Identify gaps in reliability or user experience and fix them without waiting to be asked.

Requirements

What you’ll need
  • 4+ years building product across the full stack — you've shipped things that real users use.
  • Strong React and TypeScript on the frontend — you write UI that works well and holds up under real usage.
  • Solid backend experience in Python or Node.js — you're comfortable with APIs, databases, and the logic that sits between them.
  • PostgreSQL or equivalent — you model data thoughtfully and understand the tradeoffs.
  • You've worked on Auth or Billing systems before and understand why they require more care than a typical CRUD feature.
  • You take ownership end-to-end: design decisions, edge cases, production incidents, and everything in between.
  • Fluent English — the broader team is in New York and collaboration is daily.

Benefits

Comp & perks
  • Flexible equipment: Laptop and office setup covered so you can work the way you work best.
  • Food & transport: Meals and rides home covered on late nights.
  • $150 USD/month wellness stipend: Spend it on fitness, gear, or whatever keeps you at your best.
  • Flexible PTO: Vacation within normal ranges, taken when it makes sense for you and the team.
  • Occasional travel: Some trips are part of the role — fully covered when they come up.
  • Relocation support: Full relocation package available, including for candidates moving from other states.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
ReactTypeScriptPythonNode.jsPostgreSQLAPIsfull stack developmentbusiness logicuser experienceself-serve improvements
Soft Skills
ownershipcollaborationproblem-solvingcommunicationattention to detailproactivitydesign decision makingadaptabilityuser-centric thinkingteamwork