AppFolio

Senior Application Security Engineer

AppFolio

  • Date Posted:

    6/13/2025

  • Remote Work Level:

    100% Remote

  • Location:

    Remote, US National icon-usa.png

  • Job Type:

    Employee

  • Job Schedule:

    Full-Time

  • Career Level:

    Experienced

  • Travel Required:

    No specification

  • Education Level:

    We're sorry, the employer did not include education information for this job.

  • Salary:

    $138,400 - $173,000 Annually

  • Categories:

    Software EngineerProduct ManagerProject ManagerProgrammingRuby on RailsCyber Security

  • Benefits:

    Paid Time Off

About the Role

Title: Sr. Application Security Engineer

Location: Remote  United States

Job Description:

Description

Hi, We're AppFolio

We're innovators, changemakers, and collaborators. We're more than just a software company - we're pioneers in cloud and AI who deliver magical experiences that make our customers' lives easier. We're revolutionizing how people do business in the real estate industry, and we want your ideas, enthusiasm, and passion to help us keep innovating.

The Senior Application Security Engineer will work closely with developers and other security team members to maintain and improve the security posture of AppFolio applications. They will contribute to security initiatives as an individual contributor and work on high-impact projects as a member of the security engineering team. This will be accomplished with computer programming experience, an understanding of common application security vulnerabilities, an ability to use security testing tools and a strong passion for the technical aspects of information security.

Your impact

  • Identify vulnerabilities in software applications and help get them fixed

  • Provide security guidance and education to developers in order to build a strong security culture and bake security into products early

  • Continuously improve tools and techniques in an application security pipeline

Must have

  • B.S. in Computer Science or equivalent work experience

  • 2-5 years of work experience programming in Ruby or a similar language

  • 2-5 years of work experience with a CI/CD pipeline

  • 2-5 years of work experience with threat modeling or risk assessment

  • 2-5 years hands-on work experience evaluating applications for OWASP Top 10 security risks and recommending fixes/mitigations

  • 2-5 years hands-on work experience with an enterprise Linux command line

  • 2-5 years hands-on experience with application security testing tools (SAST, DAST, SCA, Web Proxies like Burp or ZAP)

  • Familiarity with an MVC Framework like Rails

Nice to have

  • Knowledge of networking principles and cloud platforms

  • Knowledge of databases and SQL

  • Knowledge of Cloud technologies

Compensation & Benefits

The base salary that we reasonably expect to pay for this role is: $138,400 - 173,000

The actual base salary for this role will be determined by a variety of factors, including but not limited to: the candidate's skills, education, experience, etc.

Please note that base pay is one important aspect of a compelling Total Rewards package. The base pay range indicated here does not include any additional benefits or bonuses/commissions that you may be eligible for based on your role and/or employment type.

Regular full-time employees are eligible for benefits - see here.

#LI-KB1

About AppFolio

AppFolio is the technology leader powering the future of the real estate industry. Our innovative platform and trusted partnership enable our customers to connect communities, increase operational efficiency, and grow their business. For more information about AppFolio, visit appfolio.com.

Why AppFolio

Grow | We enable a culture of high performance, where delivering results is recognized by opportunities for growth and compelling total rewards. Our challenging and meaningful work drive the growth of our business, and ourselves.

Learn | We partner with you to realize your potential by investing in you from the start. We're cultivating a team of big thinkers through coaching and mentorship with our best-in-class leaders, and giving you the time and tools to develop your skills.

Impact | We are creating a world where living in, investing in, managing, and supporting communities feels magical and effortless, freeing people to thrive. We do this by innovating with purpose while cultivating a culture of impact. We learn as much from each other as we do our customers and our communities.

Connect | We excel at hybrid work by fostering an environment that feels flexible, personal and connected, no matter where we are. We create space to fuel innovation and collaboration, and we come together to celebrate, connect, and succeed.

Paddle as One.

Statement of Equal Opportunity

At AppFolio, we value diversity in backgrounds and perspectives and depend on it to drive our innovative culture. That's why we're a proud Equal Opportunity Employer, and we believe that our products, our teams, and our business are stronger because of it. This means that no matter what race, color, religion, sex, sexual orientation, gender identification, national origin, age, marital status, ancestry, physical or mental disability, or veteran status, you're always welcome at AppFolio.

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