IDX Developer

About the job

Key Responsibilities • Integrate multiple MLS boards using RESO Web API (OData) • Work with data providers such as Trestle, Bridge Interactive, MLS Grid, or direct MLS RETS/API feeds • Develop custom IDX websites (no WordPress/plugins – fully custom build) • Implement data synchronization systems (cron jobs, webhooks, incremental updates) • Ensure full compliance with IDX & VOW display rules across different MLS boards • Optimize property search, filters, and overall platform performance • Handle large-scale listing data efficiently (millions of records) Required Skills & Experience • Strong hands-on experience with RESO Web API and/or RETS • Proven experience integrating multiple MLS systems • Backend expertise in one or more: • PHP (Laravel) • Node.js • Strong database design and optimization skills: • MySQL / PostgreSQL • Solid understanding of OAuth 2.0 authentication • Knowledge of MLS compliance rules (IDX / VOW / data display restrictions) • Experience handling large datasets & performance tuning Good to Have (Bonus) • Experience building real estate SaaS platforms or CRM systems • Familiarity with map-based search (Google Maps / Mapbox) • Experience with Elasticsearch or advanced search systems • Understanding of caching strategies (Redis, etc.) What We’re Looking For • Someone who can work independently and take ownership • Strong problem-solving mindset with attention to performance • Ability to handle complex MLS ecosystems and edge cases