Sr. Backend Developer

3 days ago

Karachi, Sindh, Pakistan Quanrio Full time 250,000 - 500,000 per year

We are looking for an experienced
Sr. Backend Developer + 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 (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 (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.

Good To Have:

  • Knowledge of GraphQL.
  • Experience with caching (Redis).
  • Familiarity with Docker/Kubernetes.
  • Exposure to monitoring tools (CloudWatch, ELK).
  • Experience with CI/CD pipelines and DevOps practices.

Location:
 Gulshan-e-Iqbal, Karachi.

Job Type:
 Full-time, Onsite.

Timings:
 Morning shift

Salary Range
: Starting from 250k and above (depending on candidate's skills and experience)

How to Apply:

Send your CV to  with the subject line "Sr. Backend Developer
"

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