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Security Software Engineer II
Appfolio
Cloud‑based SaaS platform for real estate and legal professionals to manage property, accounting, leasing, and more.
Build and improve security features across AppFolio products using Ruby, TypeScript, AWS.
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
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
Deliver quality software on time, using agile development best practices to collaborate, prioritize, and deliver projects at a rapid pace
What you bring
react
rails
aws
docker
ruby
typescript
A high EQ and high collaboration when working in temporary partnerships with existing Product Development teams
BS in Computer Science or a related technical discipline, or equivalent experience
Experience with wearing many hats, like frontend (React), backend (Rails), devops, QA, and UX
Experience with cloud environments (AWS), Docker, and software development best practices
Ability to work cross-functionally in a dynamic environment
Minimum of 3 years of software development experience in multiple languages, including Ruby and TypeScript
Effectiveness working autonomously
Enthusiasm for tackling complex problems
Familiarity with the OWASP Top 10 security risks and remediation techniques
Ability to build security-oriented features from requirements
Annual revenue generated in 2024, reflecting strong financial performance.
2024 Clients
Clients
Managing over 19,000 clients worldwide, showcasing broad market reach.
8M Units
Units Managed
Operates across more than 8 million units globally, indicating extensive property coverage.
S&P MidCap 400
Market Presence
Membership in the S&P MidCap 400 index highlights its significant market impact.
Founded in 2006 by Klaus Schauser and Jon Walker, AppFolio emerged to simplify property management through centralized cloud software.
Its flagship product, AppFolio Property Manager, integrates accounting, leasing, marketing, maintenance, and reporting into one platform.
In 2012 it acquired MyCase, later divesting it in 2020 to refocus solely on real estate solutions.
AppFolio has expanded via acquisitions like RentLinx, WegoWise and Dynasty Marketplace to enhance listing presence, analytics, and AI capabilities.
Typical customers range from small landlords to large portfolios, covering single-family, multifamily, commercial, student housing, and community associations.
Its Stack™ Marketplace enables seamless third-party integrations tailored to unique workflows.
In 2024 it introduced Realm-X, a generative AI assistant that automates tasks like report generation, messaging, and maintenance coordination.
Known for rapid feature rollout, mobile-first investor tools, and embedded AI, it stands out in real-time property and investment management.
Culture + Values
We care deeply about our customers.
We value the individual and celebrate diversity of thought and experience.
We believe in the power of data-driven decisions.
We aim to create a sense of ownership and accountability at all levels.
We focus on building and sustaining a culture of innovation.
We encourage a growth mindset and continuous improvement.
Environment + Sustainability
Net Zero 2040
Carbon Neutrality Goal
Committed to achieving net zero carbon emissions by 2040.
Implemented energy-efficient practices and reduced operational carbon footprint.
Focused on creating sustainable solutions for property managers and owners.
Inclusion & Diversity
39% women
Gender Diversity
Reflects the proportion of women in the workforce, emphasizing gender representation.
Foster an inclusive culture where all employees can thrive and contribute.
Set measurable goals to increase representation of underrepresented groups in leadership roles.
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