Turnkey is private key management made simple. Create wallets, sign transactions, and automate onchain actions — all with one elegant API. Backed by Sequoia.
About the role
Bachelors degree in Computer Science, Engineering, or a related field 5+ years of experience in application or product security, ideally in fast-moving, high-impact or crypto-native environments
What they're looking for
- Bachelors degree in Computer Science, Engineering, or a related field
- 5+ years of experience in application or product security, ideally in fast-moving, high-impact or crypto-native environments
- Strong understanding of web, mobile, and cryptographic security fundamentals (e.g. OWASP Top Ten, SANS/CWE Top 25)
- Proficiency in programming and scripting languages (Typescript/Javascript, Go, Rust) and
- experience building secure systems from the code up
- Hands-on experience with security testing tools and methodologies (static/dynamic analysis, pen testing, etc.)
More about this role
Turnkey builds secure, developer-first infrastructure for private key management, making it simple to create wallets, sign transactions, and automate on-chain actions through one elegant API – without ever exposing sensitive key material.
Our mission is to secure the open internet by making strong cryptography and key management the default. Turnkey was founded by the team behind Coinbase Custody – the world’s largest and most secure crypto custodian – whose work has helped protect over $100B in crypto across the industry.
Turnkey's team is low-ego, high-agency, and high-autonomy with more than 100 years of combined experience in cryptography, security, and low-level systems, building reliable infrastructure used at scale.
Role Overview
We are hiring a Senior Application Security Engineer to join Turnkey's team and help ensure our systems, pipelines, and runtime environments are secure by design and resilient at scale.
You'll embed directly with product and infrastructure engineering teams, shaping how security is integrated into every aspect of our architecture. This is a hands-on, builder role ideal for someone who enjoys building secure systems from the ground up.
What You’ll...
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