Source Job

• Lead threat modeling, architecture reviews, and code reviews for web applications, APIs, and microservices.
• Actively develop and commit code to fix security flaws in Python, Go, or JavaScript/TypeScript codebases.
• Implement and manage security testing tools within CI/CD pipelines to catch vulnerabilities early in the SDLC.

RunPod is the AI Developer Cloud, providing a platform for developers to experiment, train, fine-tune, deploy, and scale AI. We are a small, remote-first team that has processed over 20 billion inference requests and closed a $100M Series A in June 2026.

• Partner with product and engineering teams to identify security risks and implement secure solutions throughout the product lifecycle.
• Lead threat modeling activities, secure design reviews, and security-focused code reviews to improve development practices.
• Build, maintain, and improve application security tooling and participate in incident response activities.

The partner company is a fast-moving engineering organization focused on protecting modern software products and the sensitive data they manage. The team values innovation, inclusion, and continuous improvement, and offers a collaborative culture with high ownership.

• Assist with source code review and secure coding improvements.
• Use SAST, DAST, and SCA tools to identify and validate vulnerabilities.
• Collaborate with teams to integrate security into CI/CD and SDLC processes.

This company is a technology-driven healthcare organization integrating security into software development. It fosters a collaborative remote culture and supports professional growth in cybersecurity.

• Own key security domains such as vulnerability management, application security, API security, and supply chain security.
• Partner with engineering teams to integrate security into design reviews, threat modeling, CI/CD pipelines, and developer workflows.
• Develop and improve security tooling and automation to reduce manual effort and leverage AI for triage and detection.

NinjaTrader is an industry-leading trading platform and futures broker that empowers traders with award-winning software and brokerage services. Since 2003, the company has grown to over 2 million users and is the number one rated futures brokerage worldwide, fostering a dynamic culture focused on social connection, professional development, and employee recognition.

• Lead implementation and optimization of AppSec tools such as SAST, DAST, and SCA across client environments.
• Conduct manual application and API security assessments, identifying vulnerabilities and recommending remediation strategies.
• Advise clients on secure SDLC practices and integrate security tools into CI/CD pipelines.

The company is a cybersecurity consulting firm that helps organizations design and operationalize application security programs. It operates with a remote-first culture and a collaborative, client-facing team.

• Lead application security reviews, threat modeling, and secure code review for new features and significant product changes.
• Operate and improve SAST, DAST, and SCA tooling, triage findings, and partner with engineering teams to harden the codebase.
• Plan and execute internal penetration tests against web applications, APIs, and mobile clients, and own the vulnerability management lifecycle.

ButterflyMX empowers people to automate property access, operations, and security from a single platform, serving over 20,000 properties worldwide. As a distributed, primarily remote workforce, they seek intelligent, passionate, and collaborative individuals driven by a shared commitment to excellence and innovation.

• Architect, design, and implement end-to-end security solutions including firewalls, intrusion detection, and cloud security controls.
• Collaborate with DevOps to integrate security into CI/CD pipelines and automate secure deployments.
• Conduct regular security assessments, threat modeling, and architecture reviews to identify risks and design mitigations.

Figure is transforming capital markets through blockchain, powering real products used by hundreds of thousands of consumers and institutions. With over 170 partners and $22 billion in home equity loans originated, Figure is the largest non-bank provider of home equity financing in the U.S., recognized as one of Forbes' Most Innovative Fintech Startups in 2025.

• Partner with engineering teams to perform security reviews, threat modeling, and risk assessments for product features, APIs, mobile applications, and backend services.
• Develop and maintain scalable security tools and pipelines to automate vulnerability detection, dependency scanning, and security testing across the software development lifecycle.
• Serve as a product security point of contact for incidents, contributing to investigation, root-cause analysis, and post-incident improvement.

Lime is a global leader in micromobility, on a mission to build a future where transportation is shared, affordable, and carbon-free. A Time Magazine 100 Most Influential Company, Lime has powered more than one billion rides across 30 countries and is a fast-paced, lean, remote-first company.

• Lead application and product security across Forward-built, third-party, and AI-built software.
• Evolve the pentest program and proactively build AI solutions within the appsec function.
• Own remediation workflows and partner with teams to build controls for external exposure.

Forward Financing is a financial technology company that unlocks capital for small businesses across America. They are a recognized Best Place to Work with a remote-first culture and team members across the US, Canada, and Dominican Republic.

• Strengthen platform defenses and safeguard customer data against emerging threats.
• Lead vulnerability management and incident response for product security events.
• Promote secure development practices and manage Security Champions programs.

Jobgether uses AI-powered matching to connect candidates with hiring companies. They process applications and share shortlists with employers, who manage next steps.

• Partner with engineering teams to perform security reviews, threat modeling, and risk assessments for product features and APIs.
• Develop and maintain scalable security tools and automation pipelines for vulnerability detection across the SDLC.
• Contribute to security architecture reviews and support bug bounty programs and incident response.

Lime is a global leader in micromobility on a mission to make transportation shared, affordable, and carbon-free. A Time Magazine 100 Most Influential Company, Lime has powered over a billion rides in 30 countries and is a fast-paced, lean, remote-first team.

• Lead security initiatives across infrastructure, applications, cloud, and enterprise deployments to ensure a strong security posture.
• Conduct penetration testing, vulnerability assessments, and security reviews to proactively identify and mitigate risks.
• Collaborate with engineering, DevOps, and machine learning teams to embed security best practices into products and processes.

The company develops innovative AI-driven products for highly regulated environments. They operate with a startup culture, emphasizing collaboration, autonomy, and continuous improvement.

• Conduct application security reviews including threat modeling, code review, and risk assessment for new features.
• Perform and improve SAST/DAST operations, triage, validation, and remediation tracking in CI/CD pipelines.
• Apply and improve AI security review processes for LLM-integrated features and agentic attack surfaces.

Monarch is a powerful, all-in-one personal finance platform designed to simplify money management. They are a fully remote team of do-ers led by experienced entrepreneurs, passionate about building a product people love.

• Secure AI systems and use AI to scale security, conducting security reviews and threat modeling of AI-integrated product features.
• Deliver end-to-end application security reviews for high-risk features, working directly with engineering teams to surface and close risk.
• Advance CI/CD pipeline security by operating and evolving security scanning controls in GitLab pipelines.

Smartsheet empowers teams to manage work and scale solutions by uniting human teams with AI agents. They are a large company with over 20 years of experience, fostering a culture where ideas are heard and contributions have real impact.

• Define security requirements and design application architectures following a secure-by-default approach.
• Conduct threat modeling, code reviews, and penetration testing on cloud-based web and mobile apps.
• Implement, manage, and automate SAST/DAST/SCA security controls and WAF rules to enforce protection at scale.

Prima is a motor insurance company that uses data and technology to provide a great experience for drivers. They are trusted by over 5 million drivers and have over 350 engineers in their Engineering department, fostering a culture of curiosity and collaboration.

• Conduct and support static and dynamic application-security testing using tools like Fortify, X-Ray, and OWASP ZAP.
• Work with software engineers to understand root causes, resolve vulnerabilities, and integrate security testing into CI/CD workflows.
• Strengthen software supply-chain security and apply secure development practices in environments using GitLab, OpenShift, and Kubernetes.

Rackner builds secure software supporting high-impact Department of Defense planning and decision-support missions. The company has delivered more than $30 million in recent federal awards and fosters a collaborative, mission-focused culture.

• Develop and enhance abuse prevention systems and detection rules to protect against evolving threats.
• Build and maintain internal security platforms using Ruby on Rails and integrate AI-powered security capabilities.
• Collaborate with cross-functional teams to implement security improvements and support incident response activities.

The hiring partner is a technology company that operates a large-scale software platform and prioritizes security and trust. The organization supports a fully remote workforce and emphasizes collaboration and professional growth.

• Lead bug bounty program strategy and vulnerability management initiatives.
• Collaborate with engineering and security teams to drive remediation efforts.
• Conduct code reviews and develop security tooling to improve efficiency.

This company operates a global technology platform. It values security, collaboration, and continuous learning, with a team dedicated to protecting user privacy and safety.

• Perform hands-on security testing and code review across web applications and APIs.
• Conduct threat modeling and embed secure development practices into the SDLC.
• Build and tune security tooling, including SAST, DAST, and CI/CD automation.

Prolific builds human data infrastructure for AI development, connecting researchers with a global participant pool to collect high-quality, ethically sourced behavioral data. They are a mission-driven company trusted by world-leading research institutions and AI labs, with a remote-first culture.

• Improve and maintain perimeter and network-layer defenses (WAF, Rate Limiting, Anti-bot, DDoS mitigation).
• Secure product APIs against abuse and anomalous traffic.
• Run Vulnerability Management process and coordinate external pentests.

Social Discovery Group (SDG) is one of the world's largest groups of social discovery companies, uniting millions of users on dozens of products. Our international team of 1000+ professionals works remotely worldwide, and we are a two-time 'Great Place to Work' winner.