DAVID KAWLICHE: Senior Software Engineer
Linkedin: https://www.linkedin.com/in/david-kawliche
PROFESSIONAL SUMMARY
Hands-on Senior Software Engineer and Software Architect with technical leadership experience building cloud-based C#/.NET solutions, full-stack applications, and scalable business systems. Experienced modernizing legacy systems and delivering healthcare interoperability solutions using HL7, FHIR, and CQL.
TECHNICAL SKILLS
Core Expertise: C#, .NET Core, xUnit, SQL Server, React/HTML/CSS/TypeScript, Cloud Architecture (AWS/Azure), Git, DevOps/IaC/CI/CD, RESTful API Development
AI Development: Google Gemini, Anthropic Claude, GitHub Copilot, Amazon Q
Healthcare Interoperability: HL7 FHIR, CQL, HIPAA/GDPR/PII/PHI Compliance, SNOMED CT, LOINC, RxNorm, RxClass, ICD, SMART on FHIR, FHIR Terminology Services
Supporting Skills: Docker, Node.js, jQuery, Terraform, Entity Framework (EF), OAuth
Legacy Frameworks: Angular, WCF, SOAP, TFS, ASP.NET WebForms, IBM MQ, SSRS, SSAS, Silverlight, VBScript, ADO.NET, Crystal Reports, MSMQ, XML/XSLT, JavaScript
Methodologies and Leadership: Agile development, Scrum, Kanban, SAFe, ITIL, Talent Acquisition (Hiring and Onboarding), Resource Planning, SOW Management, Automated Testing
Architecture and Tools: Microservices, Event-driven (EDA), Domain-Driven Design (DDD), UML (Visio/PlantUML), Master Data Management (MDM), Static Analysis, Unit Testing
PROFESSIONAL EXPERIENCE
FIND ME IN CHICAGO | Independent Developer | 2025 – Present
Modernized a civic data platform founded in 2016, improving public data accessibility and introducing FHIR support and AI search capabilities for the Chicago Data Portal.
Developed a text-to-SoQL translator using Gemini AI behind a secure Azure REST interface with interactive prompt workflows to accelerate legacy code refactoring.
Architected and provisioned a secure multi-cloud platform using Infrastructure as Code.
LABCORP | Senior Software Engineer (Clinical Development Manager) | 2016 – 2025
Led C# FHIR/CQL code generation initiative supporting thousands of parallel genomic calculations per request in under 60 seconds across synchronous REST and asynchronous SQS interfaces as part of a strategic initiative for diagnostic, prognostic, and therapeutic NGS reporting.
Expanded features and improved orchestration of a complex decision-tree rules engine for Litholink chronic disease programs and increasingly diverse CDS workflows across additional lab results at an order of magnitude greater volume.
Piloted AWS cloud initiatives and established Terraform infrastructure best practices for new system development.
Designed and documented complex clinical workflows using PlantUML and Visio, translating clinical requirements directly into engineering solutions.
Improved reliability of critical systems through unit testing and static analysis.
Coordinated cross-functional delivery alongside TPMs, QA, DevOps, and infrastructure teams while partnering with clinical experts to enable direct authoring of structured medical reporting rules.
Managed a small team of engineers and contractors, supporting hiring, onboarding, resource planning, performance reviews and SOW processes.
JUF/JFMC | Director, Software Architect | 2013 – 2016
Led software development, mentoring, departmental budgeting, and operations for critical enterprise systems in a matrixed organization with a focus on donor management.
Conducted buy-versus-build analysis for enterprise systems across Illinois’ largest social service network.
BSWIFT | Senior Software Developer, Product Team | 2013
Reorganized solution dependencies to provide consistent developer builds for approximately 20 engineers and implemented an automated TFS Build Server to streamline DevOps.
Developed a new token based B2B eCommerce online payment platform for customers.
YMCA OF THE USA | Senior Software Developer, Enterprise Lead | 2004 – 2013
Architected and deployed three generations of the national website supporting more than 1,000,000 monthly unique visitors.
Designed and implemented SAML single sign-on supporting more than 100,000 extranet users across internal and third-party systems.
Developed real-time operational and business intelligence dashboards for national service delivery, enterprise reporting, and annual IRS Form 990 financial statements of over 1,000 YMCAs.
EDUCATION
THE UNIVERSITY OF CHICAGO — Chicago, Illinois
AB in Philosophy (Interdisciplinary) — Honors and General Honors
Coursework in Computer Studies