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Avenga career site
LATAM · Fully Remote

Middle NodeJS 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 BUENOS AIRES, Argentina within the fintech industry, we are actively seeking a professional to strengthen our team dedicated to Spanish fintech platform.
IMPORTANT: candidate must live in CABA for eventual meetings at the client´s office.

This is you

  • Proven experience in backend development with Node.js.
  • Solid knowledge of JavaScript/TypeScript in backend environments.
  • Advanced handling of Node.js, with strong understanding of asynchronous programming, events, and parallel processing.
  • Experience implementing design patterns like Repository Pattern, Dependency Injection, and Factory Pattern.
  • Familiarity with testing tools such as Jest, Mocha, or Chai for unit and integration testing.
  • Solid foundation in software design principles, including SOLID principles and Clean Architecture.
  • Experience working with layer separation (Domain, Use Case, Infrastructure, Interfaces).
  • Background in microservices and RESTful APIs with best practices for decoupling.
  • Understanding of event-driven architectures and event processing in AWS.

    Nice-to-have skills:
  • Experience with AWS Lambda: creating serverless functions with Node.js, optimizing runtime, and managing errors.
  • Familiarity with SQS and SNS: setting up message queues (FIFO/Standard), and working with event publishing and subscriptions.
  • Experience orchestrating workflows with Step Functions (synchronous and asynchronous).
  • Knowledge of CloudFormation: defining infrastructure as code (IaC) using YAML/JSON templates.
  • Experience modeling data in DynamoDB (NoSQL) and RDS (SQL) on AWS.
  • Exposure to microservices using event sourcing and CQRS patterns.
  • Implementation of asynchronous messaging with SQS/SNS for inter-service communication.
  • Understanding of API Gateway and endpoint management with JWT or IAM Roles.

    This is your role

  • Design and implement robust, scalable, and maintainable backend systems.
  • Collaborate with cross-functional teams to deliver new features and improve performance.
  • Contribute to architectural decisions and lead by example in applying engineering best practices.
  • Work with modern development workflows including CI/CD pipelines, containerization, and serverless environments.
  • Ensure high-quality code through unit and integration testing.
  • Participate in the continuous improvement of the software delivery process.


    • Locations
    LATAM
    Remote status
    Fully Remote
    Profile
    Engineering
    Seniority
    Mid-level
    Technology
    Node.js

    Your way in starts here

    APPLICATION

    Send us your application, we are ready to hear your story and explore how we can grow together.

    REVIEW

    Our team carefully reviews every application with curiosity and care. If your profile isn’t the right fit today, we will keep it in mind for future opportunities that match your skills and ambitions.

    TALENT ACQUISITION INTERVIEW

    You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.

    TECHNICAL INTERVIEW

    Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.

    CUSTOMER INTERVIEW

    For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.

    JOB OFFER

    If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.

    WELCOME!

    Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.

    LATAM · Fully Remote

    Middle NodeJS Engineer

    Build technologies that matter

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