Qureos

FIND_THE_RIGHTJOB.

Senior Backend Developer

Karachi, Pakistan

Senior Backend Developer – Join Our Growing Team!

Location: Emarah Suites, Main Shahra-e-Faisal, Karachi
Timings: 10:00 AM – 7:00 PM
Employment Type: Full-time | On-site

About Us:
We are a dynamic and fast-growing tech company dedicated to delivering high-quality, scalable, and innovative solutions for our global clients. We value creativity, problem-solving, and a passion for technology.

Position Overview:
We’re looking for a Senior Backend Developer with strong expertise in Node.js and proficiency in multiple backend technologies. You will architect, develop, and maintain scalable APIs, databases, and backend systems, ensuring optimal performance and security.

Key Responsibilities:
Design, develop, and maintain robust backend systems and APIs, primarily using Node.js.
Work with multiple backend languages and frameworks such as Python, PHP, Java, Go, or .NET when required.
Collaborate with frontend developers, mobile engineers, and DevOps teams to deliver end-to-end solutions.
Optimize applications for maximum speed, scalability, and security.
Manage and maintain databases (SQL & NoSQL) including PostgreSQL, MySQL, MongoDB.
Implement best practices for code quality, testing, and deployment.
Troubleshoot and debug applications, ensuring smooth performance.
Mentor junior developers and lead code reviews.

Requirements:
3+ years of backend development experience.
Strong expertise in Node.js (Express.js, NestJS, or similar frameworks).
Experience with RESTful APIs, GraphQL, and microservices architecture.
Familiarity with cloud platforms (AWS, Azure, or GCP).
Strong understanding of SQL & NoSQL databases.
Proficiency in other backend languages such as Python, PHP, Java, Go, or .NET.
Knowledge of authentication, authorization, and security best practices (OAuth, JWT, etc.).
Experience with Git and CI/CD pipelines.
Strong problem-solving skills and attention to detail.

Nice to Have:
Experience with Docker, Kubernetes, and container orchestration.
Knowledge of serverless architectures.
Exposure to real-time systems (WebSockets, Socket.io).

Job Type: Full-time

Work Location: In person

© 2025 Qureos. All rights reserved.