Senior Node.js Engineer: Lead BFF & Microservices

Avenga; Argentina; Presencial; ARS 3.000.000 - 5.400.000; Jornada completa

Descripción de la vacante

Avenga seeks a Senior Node.js Engineer in Argentina to lead backend development for BFF services and microservice-based systems. You will design, build, and maintain scalable, reliable services, collaborating with product and frontend teams and driving technical improvements across the stack.

The role covers full lifecycle delivery from scoping and prototyping to implementation, testing, deployment, and support, with emphasis on API design, cloud deployment, and production readiness.

Formación

• 5+ years with Node.js (v18+), backend/BFF experience.
• Experience with NestJS or Express.
• Strong RESTful API design and NoSQL integration.
• Experience with microservices and event-driven architectures.
• Cloud deployment and management experience; familiarity with Serverless Framework or IaC tools.
• Proficient with GitLab workflows and monitoring/alerting (Datadog, OpsGenie).
• Solid technical scoping, requirements translation, and full SDLC ownership.
• Excellent collaboration and communication with TL and PO.

Responsabilidades

• Design and maintain BFF and backend services with Node.js (18+) and NestJS.
• Build and document versioned RESTful APIs; integrate within microservices and event-driven systems.
• Translate requirements into prototypes and production-ready technical solutions.
• Ensure code quality: unit tests, code reviews, and defect fixes.
• Deploy and manage cloud applications using IaC or Serverless approaches; monitor production reliability with alerts and incident response.
• Improve performance, scalability, and availability.
• Maintain functional, architectural, and in-code documentation.
• Collaborate with frontend, product, and tech leads; mentor juniors.

Conocimientos

Node.js

NestJS/Express

REST APIs

NoSQL

Microservices

Cloud/IaC

GitLab/CI-CD

Monitoring

Herramientas

Datadog

Opsgenie

GitLab

Serverless Framework

Descripción del empleo

Avenga seeks a Senior Node.js Engineer in Argentina to lead backend development for BFF services and microservice-based systems. You will design, build, and maintain scalable, reliable services, collaborating with product and frontend teams and driving technical improvements across the stack.

The role covers full lifecycle delivery from scoping and prototyping to implementation, testing, deployment, and support, with emphasis on API design, cloud deployment, and production readiness.