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/Scrum product environments;
Experience mentoring engineers or leading technical initiatives.
This is your role
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📌 Senior Node.js Engineer (Córdoba)
🏢 avenga
📍 Córdoba