Security Engineer (Application)

Alchemy | Web3 development made easy


One magic line of code supercharges your development with the world’s most powerful blockchain developer platform, relied upon by the majority of the world's top blockchain apps.


San Francisco, CA, USA

Job Description

Our mission is to bring blockchain to a billion people. The Alchemy Platform is a world class developer platform designed to make building on the blockchain easy. We’ve built leading infrastructure in the space, powering over $45 billion in transactions for tens of millions of users in 99% of countries worldwide.
The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT.
Alchemy recently raised a Series C led by a16z at a $3.5B valuation, having previously raised from Coatue, Addition, Stanford University, Coinbase, the Chairman of Google, Charles Schwab, and the founders and executives of leading organizations.
Alchemy powers the top blockchain companies globally and has been featured in TechCrunchForbesBloomberg, and elsewhere.
The Role
Our mission is to bring blockchain to a billion people. That’s a lot of software to cover. As an application security engineer at Alchemy, you’ll be hardening one of the most sophisticated and high-throughput distributed systems in the blockchain world. You’ll focus on designing, building, and deploying application security tools to protect our platform.


    • Perform dynamic application security testing (DAST) on Alchemy products
    • Perform static analysis (SAST) of the Alchemy code base
    • Discover, prioritize, and remediate technical risks on features, products, infrastructure, and acquisitions
    • Perform threat modeling on existing and upcoming features and releases
    • Develop and own best practices for application security, development, and deployment
    • Identify and assess vulnerabilities stemming from third party dependencies.
    • Identify opportunities to improve existing practices and uphold Alchemy’s high technical quality bar
    • Debug production issues across services and multiple levels of the stack
    • Collaborate with other engineers, PMs, and designers

What We’re Looking For

    • 5+ years of relevant industry experience in security or operations
    • Deep understanding of web security, TLS/SSL, web authentication, and applied cryptography
    • Experience with industry standard threat models and security tooling
    • Experience with AWS technologies is a plus
    • Experience with production distributed systems, web applications, and microservice architecture
    • Proven track record securing highly available and highly scalable systems
    • Self-starter attitude and the ability to execute new ideas with autonomy
    • Passion for blockchain technologies a plus
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