Note: The job is a remote job and is open to candidates in USA. IS3 Solutions is seeking a Senior Security Engineering Full Stack Developer to support the continued development and stabilization of an internally built security application. This role involves collaborating closely with the engineering team to enhance functionality, define security requirements, and prepare the application for production release.

Responsibilities

• Collaborate with the clients engineering team to advance an internally developed security application built on React and PostgreSQL
• Contribute to full stack development, enhancing frontend and backend functionality
• Assist in driving the application through CI/CD pipelines, ensuring secure and efficient deployment processes
• Define and document security requirements, controls, and phased rollout strategies
• Provide senior-level security engineering guidance across design, development, and deployment discussions
• Conduct and support application testing, validation, and security reviews
• Identify and remediate application vulnerabilities and security gaps
• Support feature enhancements and code development aligned with project timelines
• Partner with engineering teams to ensure best practices in secure application development

Skills

• 5–8+ years of experience in full stack development with a strong security focus
• Proven expertise with: Full stack application development (API design, backend services)
• Proven expertise with: PostgreSQL (database design and management)
• Proven expertise with: React (frontend development)
• Hands-on experience integrating or supporting CI/CD pipelines
• Strong understanding of: Application security principles (OWASP, vulnerability management, etc.)
• Strong understanding of: Secure coding practices
• Experience working in cross-functional engineering and security teams
• Ability to translate security requirements into actionable development tasks
• Experience building or supporting internally developed security tools/applications
• Familiarity with DevSecOps practices and secure SDLC methodologies
• Experience in application testing frameworks and security validation tools
• Exposure to enterprise security architectures or compliance frameworks
• Prior experience contributing to projects with tight go-live timelines

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