Senior Full Stack Web Developer Needed for Multi-Tenant App Build Overhaul

BrightMart Solutions

Freelance · Remote · Flexible hours

About the role

BrightMart Solutions is launching a security hardening initiative for its cloud‑hosted applications. We need a Full Stack Web Developer to audit, reinforce, and optimize both frontend and backend components against emerging threats while maintaining performance.

Key responsibilities

• Conduct security assessments of React UI and NodeJS services.
• Implement input validation, authentication hardening, and secure data handling.
• Refactor API endpoints to mitigate injection and cross‑site risks.
• Integrate security testing tools into CI pipelines.
• Document findings and provide remediation guidelines.

Must-have skills

• Proven experience securing full‑stack JavaScript applications.
• Deep knowledge of React, NodeJS, JavaScript, and MongoDB.
• Familiarity with OWASP Top 10 and cloud security best practices.
• Ability to write clean, testable code and perform code reviews.

Nice to have

• Experience with Docker or Kubernetes security.
• Knowledge of CI/CD tools like Jenkins, GitHub Actions.
• Background in threat modeling for SaaS platforms.