Senior TypeScript Developer for Internal Tools Platform Overhaul

TechFlow Inc

Project-based · Remote · Flexible hours

About the role

TechFlow Inc is launching a security hardening initiative for its cloud‑hosted applications. We need a TypeScript Developer to design, implement, and validate security controls across the front‑end stack, ensuring compliance and resilience against emerging threats.

Key responsibilities

• Audit existing TypeScript codebases for security gaps and refactor vulnerable patterns.
• Integrate security libraries and enforce strict typing, CSP, and XSS protections.
• Collaborate with DevOps to embed security checks into CI pipelines.
• Write unit and integration tests that simulate attack vectors.
• Document hardening guidelines and provide knowledge transfer to the internal team.

Must-have skills

• 5+ years of TypeScript development experience.
• Deep understanding of web security best practices (OWASP, CSP, CORS).
• Proficiency with Angular or React frameworks.
• Experience securing cloud‑native applications (AWS, Azure, GCP).

Nice to have

• Familiarity with static analysis tools (ESLint, SonarQube).
• Knowledge of DevSecOps workflows.
• Previous work on large‑scale SaaS security projects.