Application Security Engineer

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com.

What You’ll Do

On this team, you will:

• You'll unravel and tackle application security challenges at an exhilarating scale.
• You'll collaborate with exceptional engineers developing cutting-edge applications and platforms
• You'll enjoy the freedom and support to experiment, innovate, and significantly shape our approach to securing applications

In this role, you will:

• Conducting architecture reviews, security assessments, and code reviews to proactively identify and fix vulnerabilities in our applications
• Developing robust, repeatable frameworks for application security that make it easy for teams to build securely from day one
• Collaborating closely with development teams to integrate security seamlessly into their CI/CD pipelines
• Crafting clear, practical security guidance and documentation that empowers developers
• Actively participating in architectural discussions and providing insightful security recommendations
• Occasionally, 'drawing the owl' - figuring out innovative solutions while navigating ambiguous situations

Investing in our people is one of our top priorities, and we value candidates who can bring their diversified experiences to our teams. Here are some qualities we’ve found compatible with our team. We'd love to talk about whether this aligns with your experience and interests and what you’re excited to work on next.

Who You Are

Minimum Qualifications

• At least 3 years of experience directly focused on securing the software lifecycle
• Strong skills in application architecture, secure coding reviews, and threat modeling
• Solid experience developing secure applications or security tooling in Go, Python, or similar modern languages
• Proven experience collaborating with developers to implement secure coding practices.
• Excellent ability to negotiate and reach consensus with developers and fellow security practitioners, as well as excellent documentation skills
• Familiarity with modern development environments, containers, microservices, and CI/CD pipelines

Preferred Qualifications

• Hands-on experience with Kubernetes security, especially as it relates to being a YAML engineer
• Familiarity with SAST/DAST and other automated application security testing tools
• Deep understanding of cloud-native security challenges and solutions

The base salary range for this role is $165,000 to $275,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). 

What We Offer

The range we’ve posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location.

In addition to a competitive salary, we offer a variety of benefits to support your needs, including:

• Medical, dental, and vision insurance - 100% paid for by CoreWeave
• Company-paid Life Insurance 
• Voluntary supplemental life insurance 
• Short and long-term disability insurance 
• Flexible Spending Account
• Health Savings Account
• Tuition Reimbursement 
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health 
• Family-Forming support provided by Carrot
• Paid Parental Leave 
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment
• A work culture foc