Jobs at AppFolio

Senior Machine Learning Engineer to design and ship production voice and conversational AI agents within AppFolio's Realm-X platform. You will architect real-time, multi-turn agent pipelines that balance reasoning depth against latency, lead a small pod of ML and platform engineers, and define quality metrics and evaluation harnesses.…See more Required expertise includes shipped production experience with agent frameworks (LangChain, LangGraph), voice stacks (STT/TTS/Voice-to-Voice models), LLM reasoning and tool use, Twilio, AWS, expert Python with async and WebSocket streaming, and demonstrated team leadership.

Senior Software Engineer to design, build, and operate AppFolio's authorization platform that controls access across all products. You'll own the roles, policies, and access-check systems that other teams build on; improve permission-check performance and reliability at scale; build libraries and tooling for teams to implement access control safely; and lead migrations of legacy permissions logic.…See more You'll mentor engineers, drive design reviews, and ensure authorization changes ship safely through automated testing, feature flags, and observability.

Sr. Staff IT Enterprise Architect will define integration standards and architectural decision frameworks across AppFolio's platforms (MuleSoft, AWS, Workato), promoting API-first and event-driven design.…See more The role partners with engineering teams to advance observability, reliability, and modern integration practices, while advising on AI-enabled capabilities and emerging technologies. Requires 10+ years of software engineering or integration architecture leadership with 8+ years designing enterprise integration solutions, hands-on platform experience, and demonstrated ability to influence across cross-functional teams without direct authority.

Senior Site Reliability Engineer focused on observability, responsible for building and improving shared infrastructure, monitoring, alerting, and disaster recovery across AppFolio's real estate platform. The role requires diagnosing performance and reliability issues across the full stack, developing Service Level Indicators/Objectives, and collaborating with engineering teams to enhance system reliability and quality.…See more Must have strong coding skills (Go, Ruby, or Python preferred), deep expertise with Kubernetes, Infrastructure as Code (Terraform, CloudFormation, Pulumi), and AWS services. On-call responsibilities included; 5+ years industry experience or equivalent required.

AppFolio is hiring a Staff Machine Learning Engineer to design, build, and operate their ML platform on AWS, supporting training, fine-tuning, inference, RAG, and cost optimization across the organization's AI initiatives. You'll partner with applied AI and research teams to productionize prototypes, maintain multi-provider LLM reliability (OpenAI, Google, Anthropic), and operate AI safety guardrails and authorization layers.…See more The role requires production-scale ML infrastructure experience on AWS (ECS, SageMaker, GPU fleets), deep knowledge of model serving and inference optimization, hands-on language model training, and demonstrated cost discipline across AI workloads.

Staff Software Engineer leading the technical vision and architecture for AppFolio's Resident Concierge product, a SaaS platform for property managers and residents. You'll design and implement complex distributed systems prepared for 10x scale, mentor engineers, and collaborate with Product, Design, and ML teams to integrate generative AI capabilities.…See more The role requires 8+ years building and scaling web applications, proven leadership of high-stakes projects from ambiguity to launch, and hands-on expertise in system design, test-driven development, and CI/CD practices.

Staff-level engineer leading technical vision and architecture for the Resident Concierge product, a SaaS platform for property managers and residents. Responsible for designing and scaling distributed systems to handle 10x traffic growth, mentoring engineers, and collaborating with product, design, and ML teams to integrate generative AI capabilities.…See more Requires 8+ years building and scaling web applications, proven leadership on high-stakes projects, and hands-on experience adopting AI tools; will own the full lifecycle from discovery through production.

Lead machine learning strategy and development for AppFolio's Leasing products, owning the ML roadmap and autonomous leasing agent architecture. Build evaluation frameworks, model quality infrastructure, and establish ML standards across the Leasing Engineering team while ensuring production-grade reliability, SLOs, and observability.…See more Translate research into shipped features by evaluating fine-tuning approaches, RAG patterns, and agentic systems; operate with production discipline on a SaaS platform serving real customer workflows.

Sr. Site Reliability Engineer responsible for building and improving observability infrastructure, monitoring systems, and reliability patterns across AppFolio's Real Estate Platform.…See more You'll work with engineering teams to implement SLIs/SLOs, diagnose performance issues across the full stack, and manage infrastructure-as-code deployments on Kubernetes and AWS. Strong coding skills (Go, Ruby, or Python) and 5+ years of industry experience required; you'll be on-call and expected to help teams become self-sufficient in reliability practices.

Senior Software Engineer responsible for developing scalable, resilient web-based SaaS solutions while leading technical projects end-to-end and mentoring other engineers. The role requires 5+ years of experience with modern web applications, proficiency in at least one modern language (Ruby, Java, or Python), and expertise in full-stack development, automated testing, and CI/CD practices.…See more You will drive engineering excellence through test-driven development, optimize algorithms and database queries for performance, and collaborate with cross-functional teams to deliver features and improve existing systems.

Senior Software Engineer responsible for developing scalable, resilient web-based solutions for AppFolio's SaaS leasing platform. You will lead technical projects end-to-end, mentor engineers, optimize algorithms and database queries for performance, and drive engineering excellence through TDD and CI/CD practices.…See more The role requires 5+ years building and scaling web applications, proficiency in modern languages (Ruby, Java, or Python), and experience leading cross-functional technical initiatives. You'll work across the full development stack while championing clean architecture, automated testing, and continuous improvement.

Principal Machine Learning Engineer at AppFolio to architect and lead mission-critical AI systems across the Realm-X property management platform. You'll design advanced AI agentic systems combining reasoning, planning, and execution; establish ML platform primitives for end-to-end production workflows; and drive the transition toward autonomous property management using LLMs, fine-tuning, and reinforcement learning.…See more Requires 10+ years building software systems with deep expertise in traditional ML, deep learning, generative AI, LLM post-training (SFT, RLHF, DPO, RL), and production ML at scale—plus a Master's or Ph.D. in Computer Science or related field.

Staff Software Engineer leading the technical vision and strategy for the Resident Concierge product, designing and implementing complex distributed systems to handle 10x traffic growth. Responsibilities include driving architectural decisions, mentoring engineers, collaborating with Product/Design/ML leaders on AI-assisted features, and ensuring long-term system health through test-driven development and continuous integration.…See more Requires 8+ years building and scaling web-based SaaS applications, with proven ability to lead high-stakes projects from ambiguity to launch, lead architectural discussions, and adopt AI tooling effectively.

Senior Full Stack Software Engineer to join the Mixed Portfolio Foundation team, owning foundational architecture and data models across multiple property-type segments (affordable housing, student housing, community association, commercial). Design and implement scalable, robust web-based solutions; mentor engineers; drive technical direction and best practices; maintain high standards of code quality through TDD, code reviews, and CI/CD.…See more Requires 5+ years developing web applications in SaaS environments with extensive experience designing complex data models.

AppFolio seeks a Senior Full Stack Software Engineer to join the Mixed Portfolio Foundation team, owning foundational architecture and data models across multiple property types (affordable housing, student housing, community association, commercial). The role involves building scalable web-based solutions, designing complex data models aligned with business and compliance requirements, mentoring engineers, and driving technical direction in an agile SaaS environment.…See more Responsibilities include feature development, performance optimization, code review leadership, test-driven development practices, and cross-functional collaboration with product, QA, and design teams.