Tyler McGowan

C

Senior Software Engineer

Capway

Jan 2021 - Dec 2024 (4 years)

• Led development of .NET Core microservices to manage real-time banking transactions, resulting in <400ms average latency across 1M+ monthly API calls. • Designed EF Core-backed financial ledger system ensuring transaction immutability and auditability; passed 2 external compliance audits. • Integrated OpenAI GPT-4 with a C#-based chatbot via Azure OpenAI APIs for financial education and fraud Q&A, reducing call center load by 38%. • Refactored core backend services to asynchronous C# methods and background queues (Azure Functions + Queue Storage), improving throughput by 45%. • Developed internal admin tools using Blazor Server for compliance and fraud teams to track flagged accounts, saving 15+ hours/week. • Implemented secure OAut

Full Stack Developer

ClassWallet

Aug 2019 - Dec 2020 (1 year 5 months)

• Built REST APIs using ASP.NET Core Web API to support reimbursement workflows, integrated with PostgreSQL and SQL Server. • Developed modular Angular + C# back office tools for vendor approval, disbursement, and audit reporting used by 10+ school districts. • Optimized bulk data import with parallelized C# jobs using TPL and Dapper, reducing CSV processing time from 4 minutes to 20 seconds. • Designed multi-tenant data model with schema separation and dynamic DB routing to enable large-scale district onboarding. • Collaborated with DevOps to containerize services with Docker + GitHub Actions for CI/CD deployment to Azure App Services.

C

ClassWallet Bulk Import Engine

Aug 2019 - May 2020 (10 months)

• Engineered a C# data loader with file validation, normalization, and error rollback to ingest 50k+ vendor rows/day. • Integrated logging with Serilog and Slack alerts to monitor ingestion failures and recovery attempts. • Used EF Core batch extensions to speed up DB inserts, maintaining <30s import even on large uploads.

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Software Engineer

Modernizing Medicine

Jul 2018 - Jul 2019 (1 year 1 month)

• Created a C#-based EHR reporting engine for appointment forecasting and diagnosis trends across specialties, saving clinics 10–15 hours/week. • Built API integrations with third-party lab services using .NET 5 HTTP clients and secure token exchange for automated result ingestion. • Refactored legacy scheduling logic into clean, testable services with SOLID-compliant architecture and xUnit coverage >90%. • Authored tools using Entity Framework to sync patient/clinic data across distributed SQL nodes under strict HIPAA controls.

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Software Engineer Intern

Modernizing Medicine

Dec 2017 - Jun 2018 (7 months)

• Built internal tools with WinForms + SQL Server to help customer support search and edit appointment data securely. • Created automated test runners for .NET APIs using MSTest and integrated into Jenkins CI pipeline. • Supported reporting team by writing stored procedures and optimizing slow-running queries for monthly EHR insights. • Integrated multi-language support and role-based access, allowing district-level customizations.

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