Qureos

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Senior Backend Developer (Node.js & AWS Specialist)

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About the Role:

We are seeking a highly skilled Backend Developer to architect and scale our server-side infrastructure. You will build high-performance APIs using Node.js/Express, manage MongoDB data flows, and orchestrate cloud deployment on AWS using ECS and Serverless technologies.

Key Responsibilities:

  • API Development: Design and maintain scalable RESTful and GraphQL endpoints.
  • AWS Cloud Architecture: Manage containerized applications via AWS ECS/Fargate and serverless functions via AWS Lambda/API Gateway.
  • Database Optimization: Design efficient MongoDB schemas and aggregation pipelines.
  • Infrastructure & DevOps: Manage EC2, S3, and CloudWatch. Build CI/CD pipelines to automate testing and deployment.
  • Security: Implement JWT/OAuth2, input validation, and rate limiting.

Required Qualifications:

  • Core Backend Engineering: Expert-level Node.js and proficiency in Express.js or NestJS. Experience with microservices.
  • AWS Cloud & Containerization: Strong experience with Docker, AWS ECS, Lambda, and S3.
  • Database (MongoDB): Advanced knowledge of the MongoDB Aggregation Framework and Mongoose ODM.
  • Security & Scaling: Implementation of secure auth strategies and experience designing systems for high concurrency.

Preferred Skills:

  • Infrastructure as Code (Terraform or AWS CDK).

Job Type: Full-time

Work Location: In person

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