Oliver J Email & Phone Number

United States

• Developed ASP.NET Core Microservices with Angular 13 for Medical diagnosis software, ensuring compliance with HL7, FHIR, and HIPAA for secure data exchange.
• Established Azure infrastructure setup with App Services, Active Directory, Logic Apps, Service Bus and Kubernetes Services for the Hybrid architecture.
• Engineered a serverless architecture using Azure Functions on Azure cloud service, achieving a significant 10% decrease in infrastructure costs while concurrently enhancing flexibility and scalability.
• Implemented OAuth, SSO, and SAML solutions, enhancing user authentication efficiency by 15%.
• Introduced KQL to analyze over 1TB of healthcare data logs, optimizing system performance and troubleshooting.
• Optimized stored procedures in SQL Server and T-SQL queries, improving database performance by 20%.

United States

• Converted a legacy monolithic platform into microservices, using C#/ASP.NET Core and Java/Spring.
• Applied AWS services including API Gateway and Application Load Balancer to manage and secure APIs, ensuring compliance with industry standards and regulations, leading to a 35% increase in API reliability and security.
• Enhanced AWS ETL pipeline using Lambda triggers and Kinesis Firehose to sync data from DynamoDB to MySQL.
• Implemented Amazon EKS to orchestrate containerized applications, enhancing deployment scalability and reliability across multiple environments.
• Operated AWS CloudFront, CloudFormation, CloudWatch, and DynamoDB to decrease latency by 30% and enhance monitoring.
• Executed data migration using MS SQL Server Integration Services(SSIS), achieving 99% accuracy and saving 10+ hours per week for transferring data between databases.

United States

• Built several medical test web applications from the scratch for ordering tests, checking statuses, and reporting data using ASP.NET Web API, Java/Spring, Jenkins, Angular 2 and React.
• Implemented a microservices architecture using ASP.NET Web API and Spring, resulting in a significant reduction in loading times and 15% boost in revenue.
• Designed software solutions using Java, Spring and NHibernate, contributing to 10% application performance improvement.
• Debugged and resolved complex software issues, reducing critical bugs by 35% through expertise in NUnit and Moq.
• Optimized CI/CD pipelines, automating the software delivery process, leveraging expertise in Jenkins, GitHub and Terraform, reducing deployment time by 30%.
• Collaborated with cross-functional teams to design UI/UX with Angular 2 and React, boosting customer satisfaction by 45%.