Senior Back-End Software Engineer with Node.js

JavaScript

Senior Back-End Software Engineer with Node.js

JavaScript
Centre, Warsaw +1 Location

Avenga

Full-time
B2B
Senior
Remote
30,46 - 33,11 USDNet per hour - B2B

Job description

We’re looking for a Back-End Software Engineer with a strong focus on building and scaling backend services and APIs. In this role, you’ll work on our Backend for Frontend (BFF) layer and core service engines — powering seamless integrations between our frontend applications and enterprise systems.

You’ll design and implement high-performance Node.js and Nest.js services, develop RESTful APIs, and collaborate closely with frontend and platform teams to deliver reliable, scalable, and secure solutions. Experience building backend services that expose REST APIs and integrating with enterprise systems is highly valued.

Staffing region: Poland/North Macedonia - 100% remote

Responsibilities:

  1. Develop and maintain enterprise integration services and platform tooling using NestJS

  2. Provision and configure cloud environments using GitOps, CI/CD pipelines, Helm, Amazon EKS, and ArgoCD

  3. Integrate with enterprise systems including Netcracker, Salesforce CRM, internal APIs, and Storyblok headless CMS

  4. Implement infrastructure as code using Terraform for AWS cloud infrastructure

  5. Participate in code reviews and technical discussions within Agile Scrum team

  6. Deliver secure, scalable solutions in complex enterprise environments

Requirements:

• 5+ years professional software engineering experience
• Backend development with Node.js and NestJS
• Container orchestration with Kubernetes, Docker, and Helm
• Infrastructure as code with Terraform
• AWS cloud services and deployment
• Enterprise application development
• Large-scale business-critical applications
• Third-party system integration (CRM, enterprise platforms, APIs)

• Self-starter with ability to work independently with minimal supervision
• Excellent written and verbal communication skills
• Strong stakeholder communication (technical and non-technical audiences)
• Collaborative team player
• Constructive feedback (giving and receiving)
• Problem-solving skills
• Commercial awareness and business acumen
• Technical decision-making aligned with business outcomes

Tech stack

    Polish

    C2

    English

    C1

    Nest.js

    master

    Node.js

    master

    Backend for Frontend (BFF)

    master

    Building backend services

    master

    AWS

    master

    Cloud

    master

    Docker

    master

    Kubernetes

    master

Office location

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