Senior Professional Software Engineer; Python

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 Senior Professional, Software Development Engineering position is responsible for independently designing, developing, and testing software systems for enhancements and new products. This role focuses on creating scalable, quality, flexible, and user‑friendly applications while applying engineering principles, resolving complex bugs, and mentoring junior colleagues.

• Drive the end‑to‑end development of the Cotality Unified Semantic Hub and its associated Ops Portal, bridging the Semantic Layer with bulk repositories to ensure high‑performance data integration.

• Architect Automated YAML Generation:
  Build and maintain the API‑enabled engine (Python microservices) responsible for generating OSI‑compliant, AI‑ready metadata YAML files for delivery to Snowflake and Databricks.

• Develop Ontology Authoring Tooling:
  Design and implement interactive UI components that enable domain modelers, data stewards, and SMEs to create, view, and manage the unified enterprise ontology without direct code edits.

• Operationalize Data Governance & Scale:
  Build functional components to refine “fiduciary‑grade” metadata. Implement features to monitor data quality, ensuring the Hub remains the single source of truth for all AI translation tasks.

• Full‑Lifecycle Software Development:
  Design, code, test, and debug complex software across a broad system scope. Develop detailed specifications to satisfy both internal and external customer requirements.

• Drive Code Excellence & Testing:
  Write clean, maintainable, and well‑documented code utilizing Test‑Driven Development (TDD). Collaborate with the QA team to define scope, improve testing methods, and ensure system reliability.

• Collaborate & Consult:
  Work closely with Technical Anchors, Product Managers, and business partners to evaluate feasibility, define technical requirements, and translate business needs into actionable architectural solutions.

• Provide Operational Support & Innovation:
  Diagnose and resolve complex production incidents. Research new technologies/platforms and actively disseminate knowledge throughout the department.

• Mentorship & Leadership:
  Mentor junior colleagues through rigorous code reviews, sharing expertise on API design, and software development life cycles.

• Apply engineering principles and methodologies to assigned projects and tasks.

• Communicate progress regularly and identify blocking issues to maintain project momentum.

• Education & Experience: Bachelor’s or Master’s degree in Computer Science, AI, or a related field, with 5+ years of professional software engineering experience working through all phases of development.

• Backend & API Mastery: Expert‑level Python/FastAPI developer with a strong understanding of scalable microservices architecture and API integrations.

• Full‑Stack Capability & UI/UX: Proficiency in building interactive UIs and authoring portals tailored specifically for technical users (data stewards, modelers, SMEs).

• Data Platform Proficiency: Strong hands‑on experience with Snowflake and Databricks, specifically regarding how they consume and map external…