Cordoba, Buenos Aires
- Hybrid

Senior Node.js Engineer

The place where impact matters

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 UI design, managed services, product development, and software development.

This is the job

We’re looking for a Senior Node.js Backend Engineer to lead a strategic financial-services project.

You’ll own the architecture, adaptation, and deployment of scalable, resilient, multi-region AWS systems. Working with Web, Mobile, Product, and Engineering teams, you’ll build cloud-native, event-driven solutions that support high transaction volumes and reliable customer experiences.

This role is open to candidates in Argentina, preferably Buenos Aires or Córdoba, for occasional in-person collaboration.

This is you
- 7+ years of backend development experience, with expert proficiency in Node.js and TypeScript;




- Strong experience building and operating cloud-native, high-availability, multi-region solutions on AWS, including Amazon EKS and Kubernetes;
- Deep expertise in event-driven architecture and Apache Kafka;
- Solid knowledge of relational databases (MySQL and/or PostgreSQL), Clean Architecture, design patterns, and maintainable coding practices;
- Proven ability to independently lead technical initiatives, with strong ownership and proactive communication across engineering and business teams;
- Native Spanish and intermediate English.

Nice‑to‑have Skills
- Experience in high-scale, high-transaction, or fintech environments, including legacy-system modernization and migration to cloud-native AWS architectures;
- Knowledge of distributed-system observability, monitoring, logging, incident management, and engineering best practices such as code reviews and technical documentation;
- Experience collaborating with Web and Mobile teams in Agile

📌 Senior Node.js Engineer (Buenos Aires)
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📍 Buenos Aires