Senior Backend Developer

 

Description:

We are looking for an experienced Sr. Backend Developer (Node.js + AWS) with strong expertise in backend development, databases, and cloud-native applications to build scalable, secure, and high-performance systems.

 

Key Responsibilities:

  • Develop, test, and maintain backend services using Node.js (JavaScript/TypeScript).
  • Design and manage RESTful APIs (GraphQL knowledge is a plus).
  • Work with relational (PostgreSQL, MySQL) and non-relational (MongoDB, DynamoDB) databases.
  • Build and manage cloud infrastructure using AWS services (CloudFormation, Lambda, API Gateway, S3, IAM).
  • Ensure scalability, performance, and security across backend systems.
  • Collaborate with frontend and product teams for seamless API integration.
  • Contribute to CI/CD pipelines, monitoring, and logging.
  • Conduct code reviews, debugging, and performance optimization.

 

Qualifications:

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field.
  • 3–5 years of professional experience in backend development.
  • Strong expertise in JavaScript/Node.js (TypeScript is a plus).
  • Hands-on experience with SQL databases (PostgreSQL, MySQL).
  • Proficiency in NoSQL databases (MongoDB, DynamoDB).
  • Solid understanding of API development best practices.
  • Strong knowledge of AWS services (CloudFormation, Lambda, API Gateway, S3, IAM).
  • Familiarity with Git and Agile workflows.

Organization Quanrio
Industry IT / Telecom / Software Jobs
Occupational Category Senior Backend Developer
Job Location Karachi,Pakistan
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Experienced Professional
Experience 3 Years
Posted at 2025-10-14 5:19 am
Expires on 2026-01-06