Full-Stack MERN Developer

Jzarr

📍 Karachi Division, سندھ, Pakistan

Full-time Other-General Posted February 20, 2026

Job Description

We're looking for an experienced Full-Stack MERN Developer with strong expertise in application security, vulnerability assessment, and secure architecture design. If you're passionate about building scalable web applications while ensuring top-tier security standards, we'd love to hear from you.
Role: Full-Stack MERN Developer & Security Expert
Company: JZARR
Location: Hybrid On-site - Karachi (only)
Employment Type: Full-time / Contract
Key Responsibilities
Design, develop, and maintain full-stack applications using MongoDB, , React, and
Implement secure coding practices and conduct code reviews & vulnerability assessments
Identify, analyze, and mitigate security risks & threats
Develop scalable RESTful APIs & microservices
Optimize performance and application reliability
Collaborate with the DevOps team on CI/CD and deployment security
Monitor application logs and security events
Stay updated with OWASP, security standards, and emerging threat...