Backend-Heavy Fullstack Engineer (Node.js/React) Greenfield

Magentateam; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Medical insurance

Sport insurance

Life insurance

Preferential product access

Job summary

Magentateam is seeking a Senior Fullstack Developer with a backend-first focus to own the core CMP Integration Layer, building MNO translation adapters and maintaining API contracts. You will also contribute to a React management dashboard as a secondary focus within a greenfield environment.

You will design scalable backend services, manage CI/CD pipelines, and participate in a 24/7 on-call rotation. Strong Node.js and React.js experience, cloud, and DevOps skills are essential for success.

Qualifications

• 5+ years of experience with Node.js, backend-first engineer.
• Solid React.js experience with hooks, context, and state management.
• Cloud Native: hands-on Azure and/or AWS.
• Strong REST, SOAP, and Webhook patterns knowledge.
• DevOps mindset: Docker, Kubernetes, GitLab CI/CD and automated testing.
• Experience with Azure Functions, Service Bus, or Event Grid; OAuth2/OIDC familiarity.

Responsibilities

• Build and maintain MNO translation adapters for the integration layer.
• Design and implement backend API contracts for the integration layer.
• Contribute to the React management dashboard (secondary).
• Own the CI/CD pipeline for your services within the GitOps framework.
• Participate in on-call rotation (approx. 1 week in 7).

Skills

Node.js

React.js

Azure

AWS

REST APIs

SOAP

Webhooks

Docker

Kubernetes

GitLab CI/CD

Automated testing

Azure Functions

Service Bus

Event Grid

OIDC/OAuth2

Tools

GitLab CI/CD

Docker

Kubernetes

Azure Functions

Service Bus

Event Grid

Job description

Magentateam is seeking a Senior Fullstack Developer with a backend-first focus to own the core CMP Integration Layer, building MNO translation adapters and maintaining API contracts. You will also contribute to a React management dashboard as a secondary focus within a greenfield environment.

You will design scalable backend services, manage CI/CD pipelines, and participate in a 24/7 on-call rotation. Strong Node.js and React.js experience, cloud, and DevOps skills are essential for success.