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Senior Security Engineer, Application Security
Location
United States
Posted
73 days ago
Salary
$175K - $275K / year
Seniority
Senior
Job Description
Senior Security Engineer, Application Security
Turnkey
• You will partner with Product and Engineering at both the design and development stage to ensure that we implement new features securely, including (but not limited to): • Participating in the implementation efforts • Doing security reviews • Helping with product design decisions • Auditing and surfacing vulnerabilities in our current products • Conducting threat modeling and security assessments for new features and systems, identifying risks early and shaping secure architectural decisions. • Developing and improving our Automated Tooling: further enhancing our automated tooling to scale our product security capabilities and find potential code problems both before and after we deploy • Making the safe way, the easy way: work on defining and building application guardrails so that developers can build securely by default • Investigating and remediating security issues, including vulnerabilities and incidents, and drive long-term improvements to prevent recurrence • Embedding a culture of secure development across engineering, defining practices that influence how Turnkey builds, deploys, and maintains systems at scale.
Job Requirements
- 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.)
- Strong understanding of cloud, containerized, and runtime environments (AWS, GCP, Docker, Kubernetes), with the ability to embed security early in the SDLC
- Excellent analytical, problem-solving, and communication skills, with a collaborative mindset for partnering across product and infrastructure teams
- Curious, proactive, and passionate about building secure, reliable systems in a fast moving startup environment
- A builder mentality; comfortable operating with ambiguity, tackling incomplete systems, and applying hands-on engineering experience to security challenges.
Benefits
- Full benefits, including medical, dental, vision, life, disability, HSA/FSA, 401(k) - detailed benefits overview available as we get further in the process
- Paid parental leave
- Unlimited PTO
- $3,000/yr learning and development budget to attend industry conferences
- Multiple team offsites per year
- Lunch stipend
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