Buenos Aires
- Hybrid

Senior Node.js Engineer

Build technologies that matter

*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*
In
Argentina
(
Buenos Aires
), we are seeking a Senior Node.js Engineer to join our engineering team and lead backend development for BFF (Backend-for-Frontend) services and microservice-based systems. You will design, build, and maintain scalable, reliable services, collaborate with product and frontend teams, and drive technical improvements across the stack. The role involves full-lifecycle delivery - from technical scoping and prototyping to implementation, testing, deployment, and support.

*This is you*
- 5+ years with Node.js (v18+); experience building BFF/back-end services with NestJS or Express.
- Strong RESTful API design and NoSQL integration.




- Experience with microservices and event-driven/asynchronous architectures.
- Cloud deployment and management experience; familiarity with Serverless Framework or IaC tools.
- Proficient with GitLab workflows and setting up monitoring/alerting (e.g., Datadog, OpsGenie).
- Solid technical scoping, requirements translation, and full SDLC ownership.
- Excellent collaboration and communication; works closely with TL and PO to meet deadlines.
- Languages: Spanish (native), English (intermediate).
- Location: Buenos Aires (CABA or AMBA).

Nice-to-have Skills:
- Experience with AWS serverless (Lambda, API Gateway, SQS/SNS, Step Functions, EventBridge, DynamoDB);
- TypeScript proficiency;
- Frontend (React) experience;
- Familiar with agile SDLC.

*This is your role*
- Design and maintain BFF and backend services with Node.js (18+) and NestJS;
- Build and document versioned RESTful APIs; integrate within microser

📌 Senior Node.js Engineer (Buenos Aires)
🏢 Avenga Water Well Service
📍 Buenos Aires