Senior .Net Software Developer Resume, Keith Fimreite

Summary

SDE with ownership across .NET, data platforms, and SaaS; shipped large-scale systems (32M properties / 45M owners; ~5K API calls/day) with measurable impact.
Reduced external data spend by $40K/year; raised quality/freshness via in-house ingestion, normalization, and deduplication.
Hands-on architect and coder (60%+ code ownership) with emphasis on testing, reliability (99.9% uptime), and customer outcomes.

Languages / Frameworks
C# / .NET 8 / ASP.NET / Blazor
JavaScript / TypeScript / Node.js

Data / Cloud
MariaDB, SQL Server, SSRS
AWS, REST APIs, CI/CD, Git

Salesforce
Apex Triggers, Lightning, SOQL
Salesforce Enterprise API

CTO / Principal Software Engineer — Vintory (2021–Present)

Architected a .NET 8 + MariaDB platform processing 32M properties / 45M owners and ~5K API calls/day with ingestion, normalization, and query layers.
Insourced acquisition/enrichment to save $40K/year and improve data accuracy/freshness for internal teams and partners.
Owned 60%+ of code (Blazor frontend, APIs, DB); extended open-source name/address parsing with custom tests and production hardening.
Led a small team; instituted reviews and Jira cadence; sustained 99.9% uptime for multi-tenant SaaS.

Lead Software Engineer / Business Analyst — Valenz Health (2020–2021)

Automated EDI ingestion & parsing via .NET Windows service + Salesforce Enterprise API, eliminating 1 FTE of manual work.
Built Apex Triggers, Lightning Pages, SOQL reports; added structured logging and error handling for reliability and auditability.

Lead Software Engineer / Business Analyst — Analytic Brokerage Platform (2011–2021)

Replaced Excel reporting with an ASP.NET / SQL Server / SSRS SaaS; scaled clients 10 → 30, revenue $300K → $750K.
Owned full lifecycle (requirements → production) with emphasis on reliability and client retention.

Sole Proprietor / Software Engineer — Enkode LLC (2007–2023)

Built custom apps/CMS for real-estate & property-management (ASP.NET/.NET, SQL, WordPress) with payments, CRM, and logistics integrations.
Created a crowdfunding platform enabling 5K+ instruments to be repaired/shipped to schools nationwide.

Earlier Experience

Software Engineer — Workforce ROI (2003–2007): Maintained/enhanced enterprise Time & Attendance desktop app (Delphi/Pascal + SQL Server); owned four modules, reduced defects, shipped new features.

B.S., Computer Science — North Dakota State University