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Avenga

Senior Node.js Engineer

Avenga

Node.js Engineer designing and implementing serverless architectures for the banking industry at Avenga. Collaborating on AWS services to build resilient software components in a hybrid team setup.

Posted 4/25/2026full-timeBuenos Aires • 🇦🇷 ArgentinaSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudJavaScriptNode.jsNoSQLSQLTypeScript

About the role

Key responsibilities & impact
  • Design and implement reusable, maintainable software components following best practices.
  • Evolve existing architectures and propose improvements that ensure stability and resilience across projects.
  • Offer solutions that are extensible and support incorporating future functionalities.
  • Uphold best practices in every code review, ensuring quality and consistency.
  • Work collaboratively as part of a team, coordinating tasks with different colleagues to achieve objectives.
  • Support and mentor colleagues by sharing knowledge, ideas, and experiences that help them grow.
  • Develop serverless solutions using AWS services with a focus on scalability and cost-efficiency.
  • Implement Infrastructure as Code using CloudFormation, SAM, or Serverless Framework.
  • Design and implement comprehensive software testing strategies across the application.
  • Work with various databases to design optimal data models and query patterns.
  • Participate actively in SCRUM and Kanban ceremonies and agile workflows.
  • Utilize development tools effectively including Jira, Confluence, VS Code, Postman, Git, and GitLab.
  • Write clean, well-documented TypeScript/JavaScript code following coding standards.
  • Design and document architectural decisions and technical approaches.
  • Identify technical risks and propose mitigation strategies proactively.
  • Stay current with Node.js ecosystem, AWS services, and serverless best practices.

Requirements

What you’ll need
  • Solid expertise in Node.js, JavaScript, and TypeScript development.
  • Proven experience in software testing methodologies and best practices.
  • Hands-on knowledge working with different databases (SQL and NoSQL).
  • Strong experience with AWS services and cloud-native application development.
  • Experience in serverless solutions and architectures.
  • Proficiency with Infrastructure as Code tools such as CloudFormation, SAM, or Serverless Framework.
  • Experience working in SCRUM and Kanban agile frameworks.
  • Familiarity with development tools including Jira, Confluence, Visual Studio Code, terminal/command line, Postman, VirtualBox, Git, and GitLab.

Benefits

Comp & perks
  • Equal opportunities in recruitment and career development
  • Leadership opportunities
  • Fostering a diverse work environment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Node.jsJavaScriptTypeScriptsoftware testing methodologiesdatabasesAWS servicesserverless solutionsInfrastructure as CodeCloudFormationSAM
Soft Skills
collaborationmentoringproblem-solvingcommunicationproactive risk identification