Cotality | See the property ecosystem from every angle to reimagine property data as insights that illuminate what’s next. It’s intelligence beyond bounds. Backed by Insight.
About the role
Architect and Evolve the Semantic Layer: Lead the redesign and scaling of the existing Semantic Layer Web Service, transitioning it from a manual 130-attribute baseline to an automated, high-availability enterprise intelligence platform. Take the Team Anchor Role: Serve as the primary technical lead for the delivery team, owning the architectural vision for Knowledge Representation and Semantic Search while ensuring "fiduciary-grade" performance as the system scales to 1,000+ attributes.
What they're looking for
- Education & Experience: Master’s or Bachelor’s degree in Computer Science, AI, or a related field, with 10+ years of professional software engineering experience
- Expert Python/FastAPI Developer: Proven experience in designing, scaling, and maintaining existing production web services in an asynchronous Python environment
- Semantic & Graph Expertise: Deep understanding of Knowledge Representation, Ontologies, and Graph Reasoning , experience taking "boutique" internal tools and turning them into high-availability platforms
- Advanced RAG Knowledge: Professional experience with Vector Databases, Hybrid Search, and advanced retrieval strategies (e.g., Query Expansion, HyDE, and Reranking)
- AI Orchestration Mastery: Advanced proficiency in ADK or similar model abstraction tools, with a strong grasp of the operational trade-offs between LLMs and SLMs
- Evaluation Rigor: Familiarity with AI evaluation frameworks ( RAGAS, DeepEval ) and the use of LLMs to generate synthetic testing suites for benchmarking
More about this role
At Cotality, we are driven by a single mission—to make the property industry faster, smarter, and more people-centric. Cotality is the trusted source for property intelligence, with unmatched precision, depth, breadth, and insights across the entire ecosystem. Our talented team of 5,000 employees globally uses our network, scale, connectivity and technology to drive the largest asset class in the world. Join us as we work toward our vision of fueling a thriving global property ecosystem and a more resilient society.
Cotality is committed to cultivating a diverse and inclusive work culture that inspires innovation and bold thinking; it's a place where you can collaborate, feel valued, develop skills and directly impact the real estate economy. We know our people are our greatest asset. At Cotality, you can be yourself, lift people up and make an impact. By putting clients first and continuously innovating, we're working together to set the pace for unlocking new possibilities that better serve the property industry.
The hybrid-remote Principal Software Development Engineer leads the design, development, and testing of complex software systems and applications. This senior-level...
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