Senior Backend Engineer

ZeinCrew
Full-time Argentina, Argentina Other-General
Posted:
February 28, 2026
Location:
Argentina, Argentina, Argentina

Job Description

About the Role

We're looking for a Senior Backend Engineer with strong experience in
TypeScript
, modern frameworks such as
NestJS
, and production experience on
AWS
. The role focuses on building scalable backend systems, APIs, and cloud-based services for fast-growing startups and technology companies primarily based in the United States.

You'll work closely with product teams, frontend engineers, and leadership to design reliable systems that operate in production at scale.

Responsibilities

  • Design and develop scalable backend services using
    TypeScript
    and
  • Build and maintain RESTful and/or GraphQL APIs
  • Architect backend systems deployed on
    AWS
  • Work with frameworks such as
    NestJS
  • Design cloud-native services and infrastructure
  • Integrate third-party services, payment systems, and external APIs
  • Optimize backend performance and database queries
  • Write ...

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Job Overview

Job Type: Full-time
Location: Argentina, Argentina
Posted: February 28, 2026
Deadline: April 09, 2026