Sr. Machine Learning Engineer - Realm-X at Appfolio in Santa Barbara, CA | USD152,000-190,000 | Kablio

Role

Description

full-stack

dsl development

algorithm design

tdd

agile collaboration

performance optimization

Develop front-end and back-end scalable features for AppFolio’s robust and web-based workflow builder for Property Manager businesses.
Develop and improve AppFolio’s DSL (Domain-Specific Language), which enables our customers and internal teams to quickly create customizable business processes.
Formulate, implement, and evaluate algorithms and database queries to support SaaS scalability and stability.
Use test-driven development, code reviews, and continuous integration to deliver high-quality software and rapidly fix bugs as they come up.
Leveraging agile practices, encourage collaboration, prioritization, and urgency to develop at a rapid pace
Work closely with, and incorporate feedback from other engineering team members, QA, product owners, and our APM customers.
Research, share, and recommend new technologies and trends.
Implement new features and optimize existing ones to drive maximum performance.

Requirements

agile

ai/ml

langchain

aws

ruby

computer science

Familiarity with Agile software development processes: Scrum or Kanban
AI/ML knowledge or experience (evaluating and deploying models in production)
AI Agents knowledge (LangChain, LangGraph, OpenAI API, LLMs, and prompting)
Hands-on work experience developing web-based applications, preferably in a SaaS environment using cloud technologies like AWS.
Creativity, the ability to solve complex problems without a roadmap
Experience working across all levels of the development stack
You’ve heard of Ruby and Rails and have experience working with a language like Ruby, Go, Python, and JavaScript.
Workflow technologies knowledge or experience (Temporal)
You care about the long-term maintainability of the codebase and will learn to advocate for refactoring and clean-ups where appropriate.
Bachelor's, Master's, or Ph.D. in Computer Science or related technical discipline
Familiarity with Test-Driven-Development
Knowledge or experience with some areas of our tech, like Ruby on Rails, React, Go, Python, and AWS.

Benefits

You care about work-life balance and want your company to care about it, too; you'll put in the extra hour when needed but won't let it become a habit.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

$766M–$774M

2024 Revenue

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.

Articles

AppFolio Blog

AppFolio Careers

AppFolio Customer Stories

Role

Description

full-stack

dsl development

algorithm design

tdd

agile collaboration

performance optimization

Develop front-end and back-end scalable features for AppFolio’s robust and web-based workflow builder for Property Manager businesses.
Develop and improve AppFolio’s DSL (Domain-Specific Language), which enables our customers and internal teams to quickly create customizable business processes.
Formulate, implement, and evaluate algorithms and database queries to support SaaS scalability and stability.
Use test-driven development, code reviews, and continuous integration to deliver high-quality software and rapidly fix bugs as they come up.
Leveraging agile practices, encourage collaboration, prioritization, and urgency to develop at a rapid pace
Work closely with, and incorporate feedback from other engineering team members, QA, product owners, and our APM customers.
Research, share, and recommend new technologies and trends.
Implement new features and optimize existing ones to drive maximum performance.

Requirements

agile

ai/ml

langchain

aws

ruby

computer science

Familiarity with Agile software development processes: Scrum or Kanban
AI/ML knowledge or experience (evaluating and deploying models in production)
AI Agents knowledge (LangChain, LangGraph, OpenAI API, LLMs, and prompting)
Hands-on work experience developing web-based applications, preferably in a SaaS environment using cloud technologies like AWS.
Creativity, the ability to solve complex problems without a roadmap
Experience working across all levels of the development stack
You’ve heard of Ruby and Rails and have experience working with a language like Ruby, Go, Python, and JavaScript.
Workflow technologies knowledge or experience (Temporal)
You care about the long-term maintainability of the codebase and will learn to advocate for refactoring and clean-ups where appropriate.
Bachelor's, Master's, or Ph.D. in Computer Science or related technical discipline
Familiarity with Test-Driven-Development
Knowledge or experience with some areas of our tech, like Ruby on Rails, React, Go, Python, and AWS.

Benefits

You care about work-life balance and want your company to care about it, too; you'll put in the extra hour when needed but won't let it become a habit.

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

$766M–$774M

2024 Revenue

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.

Articles

AppFolio Blog

AppFolio Careers

AppFolio Customer Stories