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Security Software Engineer II

Company:
AppFolio
Location:
San Diego, CA
Posted:
September 22, 2025
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Description:

AppFolio is more than a company. We’re a community of dreamers, big thinkers, problem solvers, active listeners, and multipliers. At every opportunity, we set the pace while delivering innovation built to carry real estate into the future. One in which every experience feels effortless, yet meaningful. Where customers are empowered to take on any opportunity. We show up as one team, connected by our values to be a force for good. Because together, we have the power to create extraordinary outcomes for our customers, our communities, and ourselves.

The Security Software Engineer II will have a direct impact on increasing the value our customers receive from our products and services. You will enhance security across our products and services. You will provide immediate and ongoing support to crucial existing security tools while also partnering with other product engineering teams to research, brainstorm, and prototype ways to keep AppFolio customers secure.

Your impact

Deliver quality software on time, using agile development best practices to collaborate, prioritize, and deliver projects at a rapid pace

Develop new software features that solve security-related challenges within Appfolio products

Find innovative ways to scale security capabilities at Appfolio

Support research by gathering data metrics and adopting tools/technologies where needed

Take accountability for the quality of your code, understand how to implement secure coding practices, and follow a test-driven development methodology

Exercise good judgment in deciding when to seek technical guidance and assistance from others

Promote a strong security engineering culture

Qualifications

BS in Computer Science or a related technical discipline, or equivalent experience

Minimum of 3 years of software development experience in multiple languages, including Ruby and TypeScript

Experience with cloud environments (AWS), Docker, and software development best practices

Experience with wearing many hats, like frontend (React), backend (Rails), devops, QA, and UX

Familiarity with the OWASP Top 10 security risks and remediation techniques

Must have

Ability to build security-oriented features from requirements

Desire to think outside the box

A “can-do”, growth mindset

Effectiveness working autonomously

A high EQ and high collaboration when working in temporary partnerships with existing Product Development teams

Enthusiasm for tackling complex problems

Ability to work cross-functionally in a dynamic environment

Excellent verbal and written communication skills

Location

Find out more about our locations by visiting our site.

Compensation & Benefits

The compensation that we reasonably expect to pay for this role is: $114,400 - $143,000 base pay. The actual compensation for this role will be determined by a variety of factors, including but not limited to the candidate’s skills, education, experience, and internal equity.

Please note that compensation is just one aspect of a comprehensive Total Rewards package. The compensation range listed here does not include additional benefits or any discretionary bonuses you may be eligible for based on your role and/or employment type.

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

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