Node.js Engineer

Avenga

Middle Node.js engineer joining fraud prevention team at Avenga. Developing scalable backend services and APIs focused on secure and reliable solutions.

Posted 5/26/2026full-timeBuenos Aires • 🇦🇷 ArgentinaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSDynamoDBJavaScriptMicroservicesNode.jsTypeScript

About the role

Key responsibilities & impact

Develop and maintain backend services using Node.js and TypeScript
Build and consume REST APIs
Design and implement microservices-based solutions
Write and maintain unit tests to ensure code quality and reliability
Collaborate with cross-functional teams in an agile environment
Participate in technical discussions and contribute to backend architecture decisions
Support the continuous improvement of fraud prevention systems and processes

Requirements

What you’ll need

3+ years of experience with JavaScript (Node.js and TypeScript)
Hands-on experience with REST API development and integration
Experience building and maintaining microservices
Knowledge of unit testing practices and frameworks
Advanced Spanish communication skills
Nice-to-have: Knowledge of event-driven architecture, Experience with AWS services such as Lambda, DynamoDB, EventBridge, and Step Functions, Experience with the Serverless Framework, Familiarity with agile methodologies and collaborative team environments

Benefits

Comp & perks

Equal opportunities in recruitment, career development, and leadership
Support for diverse community shaping growth

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Node.jsTypeScriptREST APIsmicroservicesunit testingevent-driven architectureAWS LambdaAWS DynamoDBAWS EventBridgeAWS Step Functions

Soft Skills

advanced Spanish communicationcollaborationagile environment