Senior Node.js Engineer

Avenga

Senior Node.js Engineer developing backend services and serverless solutions at Avenga. Working on a mission-critical accounting and tax platform transitioning to AWS architecture.

Posted 6/4/2026full-timeRemote • 🇦🇷 ArgentinaSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDynamoDBJavaScriptJestNode.jsTypeScript

About the role

Key responsibilities & impact

Design, develop, and maintain scalable backend services using TypeScript and Node.js
Participate in migrating applications and services from on-premises infrastructure to AWS
Build and maintain serverless solutions following cloud-native best practices
Implement integrations and processing workflows for accounting, tax, payments, and transaction data
Collaborate closely with Product, QA, and Engineering to deliver high-quality features
Write and maintain automated and unit tests (Jest)
Participate in code reviews and promote engineering best practices and maintainable design
Monitor, troubleshoot, and optimize application performance, reliability, and security
Ensure traceability and auditability across business processes and generate accounting/tax files.

Requirements

What you’ll need

5+ years of hands-on development with Node.js and TypeScript
Practical knowledge of AWS services, including: Lambda, Step Functions, DynamoDB, EventBridge, SQS, SNS, and S3
Proven experience designing and developing serverless architectures
Extensive background with Serverless Framework (deployment and configuration)
Experience with automated testing using Jest
Solid knowledge of event-driven architectures and common integration patterns
Experience working in Agile environments and participating in sprint ceremonies
Strong analytical and problem-solving skills, and a commitment to code quality
Languages: Spanish — native; English — intermediate.

Benefits

Comp & perks

Equal opportunities in recruitment, career development, and leadership
Fostering a work environment where diverse community of employees feels free to be themselves

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptNode.jsAWSServerless FrameworkJestevent-driven architecturesautomated testingscalable backend servicescloud-native best practicesintegrations

Soft Skills

analytical skillsproblem-solving skillscommitment to code qualitycollaborationcommunication