We are looking for a hands-on full-stack Software Engineer who will focus primarily on security remediation. Your first priority will be owning the remediation of vulnerabilities identified through penetration testing: not just reporting findings, but digging into the codebase, session traffic, and infrastructure to fix the underlying issues and prevent them from recurring. You will work closely with engineering and design teams to translate real-world security findings into concrete, testable requirements in our Technical Requirements Documents (TRDs), and you will personally implement or oversee the fixes.

This is an engineering role first. As the security backlog comes under control, you will have the flexibility to contribute to application development across our Ruby on Rails and React platform, bringing a security-minded perspective to the features you build.

Key ResponsibilitiesSecurity Remediation

Vulnerability Remediation: Own end-to-end remediation of vulnerabilities surfaced by penetration tests and other security assessments, from triage through verified fix.

Traffic and Session Analysis: Use browser-based code inspection tools to examine session traffic between the front end and back end, identify cases where excessive or sensitive information is being exposed, and translate those findings into concrete design and engineering requirements.

TRD Input: Feed vulnerability findings and remediation requirements directly into the Technical Requirements Document (TRD) process so fixes are captured as durable design requirements, not one-off patches.

Session Management: Review and harden session management practices across the application stack.

Full-Stack Remediation: Work within a Ruby on Rails and React codebase and across containerized services (AWS, Fargate) to implement fixes at both the application and infrastructure layers.

API and Real-Time Systems: Assess and secure real-time and API-driven features, including those built on Pusher and AnyCable, and RESTful APIs generally.

Documentation: Produce clear, thorough documentation of vulnerabilities, root causes, remediation steps, and verification results.

Compliance Support: Contribute security @context and vocabulary to FedRAMP-related discussions and requirements, partnering with compliance and engineering stakeholders.

Application Development

Feature Development: Design, build, and ship features across the Ruby on Rails back end and React front end alongside the broader engineering team.

Secure by Design: Apply what you learn from remediation work to new development, helping the team avoid reintroducing known classes of vulnerabilities.

Code Quality: Participate in code reviews, testing, and technical design discussions, with an eye toward both security and maintainability.

Requirements

Engineering Experience

5+ years of hands-on software engineering experience, with broad full-stack work across multiple applications and technology layers.

Working proficiency in Ruby on Rails and React.

Experience with containerized environments, AWS, and Fargate.

Solid API experience, including RESTful API design and security considerations.

Hands-on experience with Pusher and AnyCable, or comparable real-time messaging technologies.

Knowledge of Ruby data models and how schema and query design affect performance and scalability.

Security Experience

5+ years of experience in a security engineering or closely related role.

Proven experience remediating vulnerabilities identified through penetration testing.

AWS Security certification(s) (e.g., AWS Certified Security - Specialty).

General familiarity with FedRAMP: enough understanding of the vocabulary and framework to contribute meaningfully to a FedRAMP-related project.

Analytical Skills

Comfortable using browser developer/code inspection tools to inspect network and session traffic.

Able to identify when too much information is being exposed between backend and frontend, and to explain the risk clearly to engineering and design stakeholders.

Able to translate security findings into actionable design requirements that feed directly into the TRD.

Coding and Technical Skills

Working proficiency in Ruby on Rails.

Experience with containerized environments, AWS, and Fargate.

Solid API experience, including RESTful API design and security considerations.

Solid understanding of session management principles and common pitfalls.

Hands-on experience with Pusher and AnyCable, or comparable real-time messaging technologies.

Broad, full-stack experience across multiple applications and technology layers.

Knowledge of Ruby data models and how schema and query design affect performance and scalability.

Documentation

Strong written communication skills, with the ability to document vulnerabilities, remediations, and technical requirements clearly for both engineering and non-engineering audiences.

Federal Requirements

U.S. citizenship required. Work is performed on U.S. federal health programs.

Ability to pass a federal background investigation and obtain a Public Trust determination.

Nice to Have

Experience with Pulumi for infrastructure as code.

Python experience.

SQL skills.

Active or eligible for security clearance.

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Software Engineer, Security Focus