Conduct manual pentests on core systems and AI agents, building automation to expand coverage.
Define how we pentest AI, including LLM applications and agent-generated code.
Triage SAST findings, review code across web/APIs/AWS, and communicate risk to engineers.
We are a financial technology company based in Boston, unlocking capital for small businesses across America with fast, flexible funding. Our remote-first team, recognized as a Best Place to Work, has provided over $4.8 billion to more than 92,000 small businesses since 2012.
Design and maintain secure architectures across AWS, Azure, and GCP with infrastructure-as-code and policy-as-code enforcement.
Secure AI/ML pipelines and LLM applications, addressing OWASP Top 10 for LLMs and implementing guardrails and content-filtering controls.
Drive security operations, including SIEM monitoring, incident response, and supporting HIPAA/HITRUST/SOC 2 compliance.
Reveleer delivers a unified platform for risk adjustment, quality improvement, clinical intelligence, and member management for health plans and provider organizations in value-based care. Trusted by 80+ customer organizations nationwide, the company fosters a collaborative, compliance-focused culture with transparent, human-in-the-loop AI at its core.
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.