Own end-to-end security reviews across smart contracts, backend services, and frontend surfaces.
Build and ship an agentic security CI/CD pipeline that runs autonomously against every PR and release candidate.
Triage and manage the bug bounty program, reproduce findings, and route confirmed issues to engineering with context.
Polygon Labs is a global blockchain payments company building infrastructure to move money instantly and reliably. It has facilitated trillions in onchain value transfer and supports millions of daily transactions for banks, fintechs, and enterprises.
Assist in developing secure software by writing and optimizing Rust code for security-critical components.
Conduct deep manual and automated code audits to identify vulnerabilities and manage bug bounty submissions.
Design machine learning models for automated security analysis and threat mitigation in blockchain.
Parity builds core blockchain infrastructure for a decentralized web, focusing on open-source projects like Polkadot. As a remote-first global team, we foster innovation and collaboration among some of the brightest minds in Web3.
Design, build, and maintain highly available, scalable, and secure blockchain products, systems, and infrastructure.
Collaborate with cross-functional teams to improve infrastructure, monitoring, automation, and incident response.
Research emerging trends in web3/blockchain and identify new product opportunities.
Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. The company is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia, and blends deep crypto expertise with institutional experience.
Perform penetration testing and design reviews to identify vulnerabilities and insecure designs.
Maintain and build internal tools to automate security efforts, including SAST and DAST testing.
Identify vulnerabilities, demonstrate business impact, and articulate risk to drive prioritization.
Brex is the intelligent finance platform that enables companies to spend smarter and move faster in over 200 markets. With tens of thousands of customers including DoorDash, Coinbase, and Zoom, Brex fosters a diverse and inclusive team culture where collaboration with some of the brightest minds in the industry is key.
Conduct threat modelling reviews of Technical Design Documents (TDDs) and provide actionable security recommendations early in the design process.
Perform application security assessments, including penetration testing, vulnerability assessments, and proof-of-concept development.
Investigate, triage, and respond to Bug Bounty program submissions, validating findings and driving timely remediation with engineering teams.
MoonPay is a unified payments platform for digital currency. Trusted by over 30 million customers and over 500 ecosystem partners, the company is committed to building a fairer, more open financial system with a culture of accountability and inclusivity.
Embed security into CI/CD pipelines and product development as a technical leader.
Drive cross-team influence and own hard security challenges in a cloud-native environment.
Work in a remote-first culture focused on customer obsession and intentional action.
Chainguard provides hardened, secure, and production-ready builds of open source software to help organizations build faster and stay compliant. Backed by leading investors including Sequoia Capital and Kleiner Perkins, Chainguard serves Fortune 500 enterprises and global industry leaders.