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Thomas Chester

@thomaschester

I build reliable .NET platforms, migrations, and database systems at scale. Open to learning and creating a humanitarian impact while working remote.

United States

Message

What I'm looking for

My current skills are primarily as a back-end engineer using C#, but I'm open to learning new languages such as Python. I want to make an impact at a company with a humanitarian mission that believes in mentorship and support for new employees. I enjoy remote work.

At TrainerRoad, I build and modernize backend services for a subscription fitness platform used by athletes worldwide. I've led zero-downtime database and third-party API migrations, shipped a custom Roslyn analyzer that turns recurring performance bugs into build-time warnings, and designed tax-compliance and GDPR deletion capabilities.

Across 23+ years, I've owned .NET development, SQL Server administration, and systems infrastructure—from managing 600+ databases and migrating physical servers without downtime at Envolve PeopleCare to building client/server order-entry systems and internal tools at Ensign-Bickford. I enjoy becoming the go-to expert on new platforms and preventing whole classes of problems through practical engineering.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

TrainerRoad

Feb 2018 - Jul 2026 (8 years 5 months)

Backend engineer on a subscription fitness platform, owning architecture and cross-service migrations. Authored 1,200+ pull requests, reduced technical debt, and led major migrations and compliance initiatives.

C#SQL TeamCity GitHub Git Azure LINQ

Application Analyst IV

Envolve Health

Apr 2000 - Feb 2018 (17 years 10 months)

Sole developer and administrator for the clinical call-center application, spanning development, database administration, and infrastructure. Migrated the application from a two-tier to a three-tier architecture hosted in Citrix, and later split time between infrastructure and web teams as the company scaled. I evolved in this role from a startup company until it was part of Centene.

TeamCity C#SQL Git

Senior Programmer Analyst

Ensign-Bickford Industries

Nov 1996 - Apr 2000 (3 years 5 months)

Served as the go-to Microsoft Access expert supporting HR, Engineering, Product Development, IT, and Sales departments. Developed and maintained client/server components of a 3-tier order entry system, including a point-of-sale server and an embedded barcode-scanner application, and built internal IT utilities such as an Access-based Help Desk and an XML-based software repository.

Programmer Analyst

Aetna

Aug 1993 - Nov 1996 (3 years 3 months)

Completed Aetna's IT training program and became department expert in JCL. Developed and maintained JCL and COBOL II batch programs using DB2, VSAM, and flat files, and designed a reporting architecture using Syncsort, QMF, and COBOL.

JCL COBOL