Backend Developer (Node.js + AWS + Security)

CGI
📍 Warsaw, Masovian Voivodeship, Poland 💼 Full Time 🕒 Posted June 24, 2026

Job Description

Position Description:

We are seeking an experienced Backend Developer to join our consulting team and work with a major banking client. The ideal candidate has strong expertise in AWS security, encryption algorithms, and backend development using Node.js. You will be responsible for designing, developing, and maintaining secure, scalable backend services in a cloud-native environment.

Job responsibilities:
•Design, develop, and maintain backend services and APIs using Node.js.
• Implement, secure, and optimize cloud solutions using AWS services.
• Apply best practices in AWS security, including IAM, key management, and encryption.
• Work with encryption algorithms and data protection mechanisms relevant to financial systems.
• Build and maintain RESTful APIs that are robust, scalable, and well-documented.
• Create and maintain API specifications using Swagger/OpenAPI.
• Develop and maintain CI/CD pipelines using tools ...

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Job Details

  • Location Warsaw, Masovian Voivodeship
  • Job Type Full Time
  • Category Computer Occupations
  • Posted Date June 24, 2026
  • Application Deadline August 03, 2026