Senior Node.js Engineer

Buenos Aires, Buenos Aires, Argentina • Posted May 29, 2026

Job Type: Full-time
Location: Buenos Aires, Buenos Aires
Posted: May 29, 2026
Category: Computer Occupations
Application Deadline: July 08, 2026

Role Description

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX, and Ul design, managed services, product development, and software development.

This is the job

We are seeking a Senior Node.js Engineer to join a cross-functional team building a mission-critical accounting and tax platform that handles payments and transaction processing. You’ll design, build, and maintain scalable, reliable backend services and serverless solutions as the platform migrates from on‑premises to a cloud-native AWS architecture.

Working with Backend Engineers, a Tech Lead, QA Automation, and Product Managers, you’ll influence technical decisions, improve architecture, and ensure traceability across accounting and tax workflows.

This is you

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