Justin Young

Led backend microservices for IoT-backed fleet management, driving a scalable multi-tenant platform. Improved automation workflows and data synchronization, reducing manual checks by 38% and cutting incident impact to 12 minutes during peak usage. Implemented event-driven processing and guardrails to speed triage from 3 hours to 41 minutes. Integrated third-party billing feeds with standardized contracts and 99.2% reconciliation accuracy. Instrumented end-to-end performance across web and mobile apps, achieving a 24% reduction in tail latency during traffic spikes. Owned release playbooks and rollout strategies, achieving 97.6% deployment success without customer disruption. Enhanced identity and authorization flows to boost partner onboarding throughput by 1.7x while maintaining compliant access. Translated operational requirements into technical plans and produced documentation to boost cross-team efficiency.

Supported high-traffic listing search and marketplace features, expanding and refining user-facing web applications. Built scalable search ranking features, improving relevance metrics by 7.4% and reducing mismatches through tighter data normalization. Automated index updates, cutting stale-result windows from 6 hours to 1 hour. Integrated geocoding and enrichment services, achieving 94.8% match rate and reducing manual review cycles. Coordinated rollout plans across market segments, lowering regression escape rate to 0.8% for search-related changes.

Developed and maintained property search and mortgage workflow services, owning end-to-end rental and buyer journeys. Improved search response times by 23% for high-density queries and automated mortgage data handoffs, reducing rework by 31%. Enhanced payments infrastructure with Stripe reconciliation accuracy at 98.9% and lowered support escalations. Harmonized shared validation rules across web and mobile platforms, reducing client-side errors by 26%. Integrated third-party credit and identity checks to improve onboarding conversions by 9.6% while retaining transparent decision logs.