Eder Xavier R.

Senior Software Engineer with 8+ years of experience specializing in scalable backend architectures, mission-critical infrastructure, and cloud AI solutions. I help businesses build, optimize, and secure complex systems with a focus on high performance, reliability, and modern cloud patterns. Why hire me? Proven Performance: Improved data speeds by 70% and reduced backend processing times by 50% through expert SQL optimization, dynamic query design, and asynchronous Python architecture. Domain Expertise: Deep specialization in healthcare data exchange and interoperability standards, including FHIR (HL7), SNOMED CT, LOINC, and MedMij compliance. Certified Cloud & AI Engineer: Microsoft Certified: Azure AI Engineer Associate (AI-102 / AI-103), skilled in building modern AI-driven backend services and integrating Azure AI/Cognitive services into cloud solutions. Full-Stack & Native Capability: Advanced proficiency in Python (Django/FastAPI), .NET (C#, .NET Core/8, WinUI 3), and native Android (Kotlin). Infrastructure & Reliability: Solid background in Linux, network telemetry, and monitoring tools (Zabbix, OpenTelemetry, Azure Application Insights) to ensure maximum operational uptime and robust logging. Global Collaboration: Fully bilingual (English/Spanish) with extensive experience delivering software for international organizations, including Erasmus MC in the Netherlands. Core Stack: Backend & Cloud: Python (Django, Celery, AsyncIO), C# (.NET 8/Core), Azure Cloud & AI Services, Azure DevOps. Desktop & Mobile: WinUI 3, WPF, Native Android (Kotlin). Data & Interoperability: SQL Server, PostgreSQL, FHIR / HL7, REST APIs, SignalR. Let's build something scalable and efficient together.