Senior Backend Engineer: Node.js, Microservices, Cloud&CI/CD

Response Informatics; Kraków; On-site; PLN 120,000 - 240,000; Full time

Job summary

Response Informatics is seeking a skilled backend developer to design, develop, and maintain scalable backend applications using Node.js. You will implement RESTful APIs and microservices, integrate third-party services, and ensure high performance and reliability.

The role involves building CI/CD pipelines, using DevOps practices, and leveraging Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP) to support deployment and infrastructure.

Qualifications

• Experience building scalable backend systems.
• Proficiency with Node.js and modern frameworks.
• Strong knowledge of RESTful APIs, microservices and scalability.

Responsibilities

• Design, develop, and maintain scalable backend applications.
• Develop and integrate RESTful APIs, microservices, and third-party services with a focus on performance.
• Implement and maintain CI/CD pipelines and DevOps practices.
• Work with Docker, Kubernetes, and cloud platforms to support deployment and infrastructure.
• Collaborate with cross-functional teams to troubleshoot issues and optimize performance.

Skills

Node.js

RESTful APIs

Microservices

CI/CD

DevOps

Security best practices

Monitoring & Logging

Automated testing

Tools

Jenkins

GitHub Actions

Azure DevOps

Docker

Kubernetes

AWS

Azure

GCP

Job description

Response Informatics is seeking a skilled backend developer to design, develop, and maintain scalable backend applications using Node.js. You will implement RESTful APIs and microservices, integrate third-party services, and ensure high performance and reliability.

The role involves building CI/CD pipelines, using DevOps practices, and leveraging Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP) to support deployment and infrastructure.