Experience
Two decades of production systems
Built in regulated, data-intensive industries — healthcare, financial services, and logistics.
ICHOM — Senior Technical Developer (Part-Time Contract)
- Architected and built a cloud-native FHIR R4 platform on AWS (Lambda, API Gateway, RDS MySQL, S3) for publishing and consuming health-outcomes standard sets.
- Delivered three production Python Lambda APIs with Swagger UI, integrated with a Flask/Apache web application.
- Built end-to-end ETL: Synthea synthetic patient data → self-hosted Medplum FHIR server → S3/Parquet/Athena → QuickSight dashboards.
Transflo — Senior AWS Engineer (Senior Intelligent Automation Engineer)
- Designed, built, and supported production AWS serverless systems: Lambda (Python and .NET), API Gateway, SQS, S3, DynamoDB, and Aurora MySQL.
- Integrated the Hyperscience SaaS platform into event-driven document classification and extraction pipelines.
- Built C# WinForms applications and Windows services for monitoring and administration of AWS workloads.
Cognizant (Fiserv, Voya Financial) — Senior Project Leader / Senior Engineer
- Developed .NET Core REST APIs supporting education-loan and 401(k) transaction processing for large-scale regulated financial platforms.
- Implemented Voltage Security encryption/decryption for sensitive field data; led Fortify security remediation across distributed systems.
- Supported early AWS adoption alongside ongoing .NET modernization initiatives.
CitiStreet / ING / Voya Financial — IT Manager · Senior Business Analyst · Programmer
- Delivered enterprise retirement, benefits, and pension platforms on ASP.NET and SQL Server.
- Led onshore and offshore development teams, including performance management and mentoring.
- Drove Six Sigma process-improvement initiatives, including automated ACH withdrawal and inbound-mail workflow systems.
Independent Consulting
- Allen Therapy Services (healthcare): HIPAA-compliant remote-treatment capability enabling speech, physical, and occupational therapy consultations for underserved families.
- Intermodal Support Services (logistics): web-service integration and a work-order processing system for the intermodal shipping industry.
Capabilities
Skills
| AWS | Lambda · API Gateway · SQS · S3 · DynamoDB · Aurora MySQL · PostgreSQL · RDS · EC2 · Athena · QuickSight · CloudWatch · IAM |
|---|---|
| Languages | Python · C# / .NET · SQL · Java |
| APIs & Integration | REST APIs · FHIR R4 · Swagger/OpenAPI · JSON · Postman · Medplum · Flask |
| Databases | Aurora MySQL · PostgreSQL · DynamoDB · SQL Server · Oracle · DB2 |
| DevOps & Tooling | GitHub · Docker · Jenkins · Jira · Confluence · Fortify · Azure DevOps |
| Compliance | HIPAA · Financial Data Protection · Voltage Security · Fortify Remediation |
Credentials
Education & certifications
- Master of Business Administration — Finance, Webster University, Jacksonville FL
- Bachelor of Science, Computer Science (Minor: Mathematics), Northern Illinois University, DeKalb IL
- AWS Certified Cloud Practitioner
- Six Sigma Black Belt
- Dual citizenship: United States / Czech Republic (EU) — eligible to work in both markets without sponsorship