Lead technical teams in designing and implementing blockchain-based applications.
Oversee the full software development lifecycle from architecture to deployment.
Drive technical strategy and innovation in Web3 and cryptocurrency technologies.
The company builds innovative products at the intersection of blockchain, cryptocurrency, and digital collectibles. They operate with a fully distributed team and emphasize ownership, collaboration, and continuous learning.
Break things on purpose by threat-modeling and reviewing Solidity contracts, Rust blockchain state transition functions, and other critical systems.
Own protocol components from design review through production, ensuring secure architecture and implementation.
Track the adversary, follow industry hacks and exploits, and convert lessons into concrete improvements.
Matter Labs builds private settlement infrastructure using zero-knowledge cryptography for regulated institutions. They are a fully remote team of about 70, backed by a16z and Union Square Ventures, with eight years of production zero-knowledge infrastructure.
Act as the primary security partner for the Walrus team, providing architectural guidance and embedding security practices throughout the development lifecycle.
Lead security assessments for new features and contribute to ecosystem-wide security initiatives, identifying systemic risks and actionable remediation plans.
Drive a security-by-design culture, leveraging AI and automation to focus on high-impact, complex security research and mentor engineers.
Mysten Labs builds foundational infrastructure to accelerate the adoption of decentralized protocols based on blockchain technologies. They are a well-funded, remote-first team with over $300M in Series B funding from top venture firms, fostering a culture of innovation and growth.
Threat model new product features and integrations, hardening systems with effective controls.
Operate and evolve the application security toolchain, keeping it high-signal for developers.
Own day-to-day security operations across the detection stack, triaging and resolving incidents.
Gauntlet builds the financial systems of the future, operating across the entire onchain finance stack to offer vault products for institutional clients. They serve over $1.5B in client TVL and combine traditional finance with crypto-native expertise.
Protect applications trusted by millions of users in the Web3 ecosystem.
Combine hands-on security engineering with threat modeling, code reviews, and developer enablement.
Embed security throughout the software development lifecycle to build resilient products.
This company builds products and infrastructure for the Web3 ecosystem, focusing on digital assets, identities, and blockchain technology. It is a globally distributed, remote-first team with a culture of security, autonomy, and innovation.
Build and maintain security infrastructure across AWS and Kubernetes, including telemetry pipelines, cryptographic material lifecycle, and compliance automation.
Engineer agentic AI workflows using tools like Claude Code and MCP integrations to automate security tasks such as code review and drift detection.
Develop threat models and embed security controls into deployment pipelines to prevent vulnerabilities at build time.
Lumin Digital provides cloud-native digital banking solutions for credit unions and banks. The company fosters a culture of trust, respect, and boldness, encouraging innovation and collaboration in a fully remote, async-first environment.
Design and implement high-quality native mobile SDKs for embedded wallet experiences.
Own SDK architecture, APIs, release management, and developer documentation end-to-end.
Build secure components supporting wallet operations, cryptography, and blockchain interactions.
This company builds mobile infrastructure powering the next generation of digital asset and financial applications. It is a distributed, fast-moving organization that values developer experience, technical excellence, and continuous growth.
Identify, research, and prioritize potential clients and strategic partnership opportunities across the Web3, crypto, and blockchain ecosystem.
Build and nurture strong relationships with prospective clients, understanding their objectives and commercial needs.
Develop and deliver persuasive pitches and presentations tailored to each prospect's specific business requirements.
Our partner is a global media, consulting, and events business operating in the Web3 ecosystem. They are a growing company with a fully remote team, seeking a high-impact revenue driver for strategic partnerships.
Develop high-performance backend services in Go for Web3 and card payment systems.
Build and maintain smart contract integrations and blockchain transaction flows.
Design scalable APIs and microservices for secure financial data handling.
The company builds high-performance backend services for fintech and Web3 payment products. It operates as a fully remote international team with a focus on security and scalability.
Own the technical direction, architecture, and execution of HiddenLayer’s AI Attack Simulation product.
Partner with Product and Security Research to define product strategy and translate adversarial AI techniques into scalable capabilities.
Design and build agentic workflows, tool integrations, and evaluation frameworks while mentoring engineers.
HiddenLayer protects the world’s most valuable technologies from adversarial AI attacks. They are a venture-backed startup with a remote global team, recognized for innovation and committed to diversity and inclusion.
Research and summarize regulatory frameworks and licensing requirements.
Support licensing and regulatory-readiness projects including gap analysis and policy review.
Review AI outputs for factual consistency and source traceability.
CertiK is a leading Web3 security company focused on securing blockchain protocols and decentralized applications through formal verification and AI. Founded in 2017, the company has a distributed international team and supports thousands of enterprise clients globally.
Design and implement new features within the Data Product space, including trust-minimized off-chain computation and aggregation of external data in blockchain environments.
Own end-to-end delivery of data products that power the largest market share of DeFi by total value secured.
Build core products with Smart Contracts using Solidity, Move, and Rust.
Chainlink is the industry-standard oracle platform bringing capital markets onchain and powering the majority of decentralized finance. The company has enabled tens of trillions in transaction value and fosters a collaborative, autonomous engineering culture.
Own major product components and engineering workstreams from discovery to production.
Design scalable architectures and build production-grade software with focus on reliability and security.
Use AI-assisted development tools to improve engineering efficiency.
They develop Linux security products and automation systems. They are a remote-first team emphasizing professional development and challenging technical projects.
Design and implement core runtime protocols for a decentralized blockchain ecosystem.
Build and maintain foundational components and tooling for developers.
Collaborate with distributed teams and contribute to open-source via peer review.
They build foundational infrastructure for the decentralized internet, focusing on Polkadot runtime development. They are a remote-first global team with an open-source culture centered on collaboration, peer review, and technical excellence.
Design and build user-facing components of services and products using modern web technologies.
Collaborate with backend engineers to integrate APIs and ensure seamless alignment.
Identify and address performance bottlenecks to enhance user experience.
Provable is a company building zero-knowledge applications for the Shield ecosystem. They are a fast-growing team passionate about privacy and transforming the digital age.
Investigate suspicious activity and analyze transaction patterns in a digital asset environment.
Collaborate with compliance and operations teams to strengthen risk detection and regulatory processes.
Utilize blockchain analysis and AI-powered tools to improve investigation efficiency and accuracy.
The company is a digital asset platform that provides financial services and compliance solutions. It is a fast-growing, remote-first technology company with a focus on innovation and regulatory integrity.
Investigate emerging vulnerabilities across the Ubuntu ecosystem, helping identify, assess, remediate, and document security issues.
Collaborate with internal engineering teams, upstream developers, and the broader open source community to deliver robust security fixes.
Contribute to security initiatives across the broader open source ecosystem and engage with industry communities.
They are a globally distributed security engineering team dedicated to protecting users and strengthening the security of open source software. The environment is highly technical, collaborative, and international, with opportunities to share knowledge through open source contributions and industry events.
Drive operational excellence across the company by owning high-priority security and technical initiatives.
Partner with cross-functional teams including People, IT, Finance, Security, and Operations to manage projects and support business needs.
Expertly project manage high-visibility technical projects, ensuring milestones, timelines, and deliverables stay on track.
Offchain is pioneering blockchain scalability and security, building the Arbitrum stack that powers Arbitrum One, the most widely adopted Ethereum scaling solution. The company is backed by $124 million in funding and has a team of thinkers and doers committed to decentralization and transparency.
Manage vulnerability assessments across operating systems, containers, dependencies, and application environments.
Perform vulnerability triage, validation, and proof-of-concept testing to determine real-world security impact.
Collaborate with engineering teams to communicate risks and drive remediation efforts.
This company provides a large-scale software platform for AI and data science solutions, serving organizations with demanding compliance and risk requirements. It fosters a culture of innovation, transparency, and collaboration, with a growing security function and an inclusive workplace.
Build prototypes supporting AI verification and turn emerging ideas into practical tools.
Support technical communications and help translate prototypes into policy impact.
Collaborate with external experts across ML engineering, cybersecurity, and confidential computing.
Singapore AI Safety Hub is an international collaboration building open tools to verify AI datacenter activity for global governance and trustworthy AI adoption. It is a young, fast-moving organization with a small core team and partners including Oxford and the Future of Life Institute.