Senior NodeJs Engineer

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
In Argentina (Remote / Hybrid) within the IT & Software Engineering industry, we are actively seeking a Senior or Semi-Senior Backend Developer to strengthen our team dedicated to building scalable, high-performance digital solutions and robust microservices architectures.

This is the team In your role you'll become a vital member in a team of skilled professionals, including software engineers, architects, and product specialists focused on delivering modern, event-driven systems. Your primary responsibility will involve designing, developing, and optimizing high-throughput backend services using Node.js and AWS infrastructure. Here you will have the opportunity to make a meaningful contribution to global technological progress while at the same time advancing your own skills and career.

This is you

• Solid experience as a Backend Developer working with Node.js, TypeScript, and modern frameworks like NestJS or Express.

• Hands-on expertise with Event-Driven Architecture and messaging platforms (specifically Apache Kafka) for asynchronous processing.

• Strong knowledge of Cloud infrastructure and containerization, particularly AWS (Lambdas, EKS / Kubernetes, Multi-Region) and Docker.

• Proven experience working with relational and non-relational databases such as PostgreSQL, MySQL, and Redis.

• Solid understanding of core architectural principles, including Clean Architecture, SOLID, DDD, and Microservices.

Nice-to-have skills:

• Experience using Serverless Framework.

• Familiarity with AI-Assisted Engineering tools (such as Claude Code or GitHub Copilot) integrated into daily development workflows.

• Previous experience in global projects or distributed remote teams.

This is your role

• Design, build, and maintain efficient, reusable, and reliable Node.js backend services and APIs.

• Implement clean code principles, event-driven patterns, and scalable microservices architectures.

• Collaborate closely with cross-functional teams, cloud engineers, and product managers to deliver end-to-end features.

• Ensure optimal system performance, code quality, and integration of automated testing and deployment pipelines.

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.