Research and reproduce high-consequence vulnerabilities across enterprise networks, applications, identity systems, and cloud environments.
Turn vulnerability research and attacker tradecraft into safe, repeatable automated attack capabilities.
Validate remediation and collaborate with research, product, and engineering teams.
Horizon3 is a fast-growing remote cybersecurity company that helps organizations proactively find, fix, and verify exploitable attack vectors. Its NodeZero platform delivers autonomous pentests, and the team is a collaborative culture committed to respect, ownership, and results.
Break AI and agentic systems and turn research into automated, repeatable attacks for NodeZero.
Design and execute prompt injection, defense evasion, and tool-use exploitation against AI infrastructure.
Build and extend LLM-powered applications and microservices, focusing on production safety and reliability.
Horizon3 is a cybersecurity company whose NodeZero platform delivers autonomous pentests to find exploitable attack vectors. It’s a fast-growing, fully remote team of engineers and former special ops operators with a culture of respect and ownership.
Plan and execute red team operations and adversary simulations focused on cloud environments.
Evaluate security of cloud infrastructure, identity architectures, CI/CD pipelines, and containerized workloads.
Assess detection and response coverage with blue team and detection engineering.
Motive empowers people who run physical operations with tools to make their work safer, more productive, and more profitable. We serve nearly 100,000 customers, from Fortune 500 enterprises to small businesses, and value diversity and inclusion.
Lead advanced security assessments across web applications, APIs, cloud platforms, and enterprise networks.
Conduct red team activities, vulnerability research, and custom tool development to simulate real-world attacks.
Collaborate with cross-functional teams to assess risks, support remediation, and mentor colleagues.
Hitachi Vantara provides data infrastructure for global innovators across industries. As a diverse, global team, they foster an inclusive culture focused on making a real-world impact with data.
Conduct original offensive research against Dia, including prompt injection, sandbox escape, and cross-profile data access.
Threat model new surfaces with engineering teams and review features before they ship.
Build automated vulnerability discovery systems, including fuzzing and AI-assisted hunting pipelines.
The Browser Company is building a better way to use the internet, with a focus on an AI-powered browser called Dia. They are a remote-first team of nearly 100 people who value diversity and craft.
Contribute production-quality code to the application (Node.js and Python), shipping security fixes end-to-end.
Build AI-powered automation and manage a bug bounty program, evaluating and reproducing submissions.
Define secure-by-design patterns and drive security standards across the architecture, including AI-integrated features.
Fast-growing B2B SaaS company serving the life sciences and pharma space. A small, high-impact security team with an engineering-first mindset, building AI-native features.
Lead red team operations to proactively identify weaknesses across GenAI, cloud, and product systems.
Conduct adversarial testing on LLMs, including prompt injection, jailbreaks, and model extraction.
Partner with security engineering to turn findings into actionable defense improvements.
Pindrop is a cybersecurity company delivering continuous identity verification across voice, video, and digital interactions. Protecting billions of high-risk interactions, it is backed by leading investors and recognized for innovation.
Plan and execute realistic adversary simulations using threat intelligence to assess security and detection capabilities.
Hunt for vulnerabilities across AI systems, payment infrastructure, autonomous delivery hardware, and emerging technologies.
Build custom tools, exploits, and payloads tailored to DoorDash's tech stack and partner with Blue Teams.
DoorDash is a technology and logistics company that empowers local economies by enabling door-to-door delivery for consumers, merchants, and Dashers. The company is growing rapidly and constantly changing, with a culture focused on empathy, diversity, and employee well-being.
Validate vulnerabilities and configuration weaknesses to determine practical exploitability and develop realistic attack paths across web, cloud, identity, and infrastructure.
Conduct purple-team exercises and translate offensive findings into actionable improvements for detection and response.
Backblaze is the object storage leader in the open cloud movement, providing cloud storage services to businesses, developers, and individuals. Founded in 2007 and publicly traded since 2021, the company generates over $136M in annual recurring revenue, manages over three billion gigabytes of data for 500K+ customers in 175+ countries, and fosters a culture centered on diversity, equity, and inclusion.