Senior Full-Stack Engineer — Build Scalable AI-Driven Platform

BEL USA LLC; Argentina; Presencial; ARS 3.000.000 - 5.000.000; Jornada completa

Descripción de la vacante

BEL USA LLC is seeking a Senior Full-Stack Software Engineer in Argentina to design, build, and maintain scalable, high-quality software powering our growing business. You will work across the full tech stack—front end, back end, APIs, and databases to deliver secure features for both internal and external users.

As a key member of the engineering team, you will partner with Product, Design, and Engineering leadership to shape technical direction, enhance platform performance, and uphold modern

Formación

• Bachelor's degree in computer science or related field.
• Minimum of 5 years of professional software engineering experience.
• English Professional Proficiency required.

Responsabilidades

• Design and build modern eCommerce services within a scalable, secure, AI-driven platform.
• Develop high-quality front-end interfaces using React or similar frameworks.
• Implement and maintain APIs, data models, microservices, and background workers.
• Design and optimize SQL/NoSQL schemas, queries, and overall data performance.
• Own the full development lifecycle: design, coding, code reviews, testing, deployment, and documentation.
• Write clean, maintainable, well-tested code aligned with engineering standards.
• Instrument applications with logging, metrics, tracing, and contribute to reliable alerting and runbooks.
• Build with security, privacy, and performance in mind from the start.
• Participate in on-call rotations and drive reliability improvements through post-incident reviews.
• Collaborate effectively with cross-functional teams and contribute to a strong engineering and review culture.

Conocimientos

Node.js

React

TypeScript

APIs

SQL/NoSQL

Testing (RTL, Playwright)

Educación

Bachelor’s degree in Computer Science or related field

Herramientas

React Testing Library

Playwright

Descripción del empleo

BEL USA LLC is seeking a Senior Full-Stack Software Engineer in Argentina to design, build, and maintain scalable, high-quality software powering our growing business. You will work across the full tech stack—front end, back end, APIs, and databases to deliver secure features for both internal and external users.

As a key member of the engineering team, you will partner with Product, Design, and Engineering leadership to shape technical direction, enhance platform performance, and uphold modern