JS

Jonathan Stevenson

Available to hire

NET Developer with over 12 years of experience designing and deploying reliable applications optimized for cloud environments across finance, healthcare, logistics, and cryptocurrency sectors.

About

Hi, I’m Jonathan Stevenson, a Senior Full-Stack .NET Developer with over 12 years of experience designing and deploying reliable applications optimized for cloud environments across finance, healthcare, logistics, and cryptocurrency sectors. I specialize in building secure, high-performance systems using C#, ASP.NET Core, EF Core, and Azure, delivering scalable solutions that meet stringent security and regulatory requirements.

I enjoy collaborating with product, design, and QA teams to translate business goals into robust, maintainable software. I mentor engineers, advocate for Agile practices, and seek opportunities to optimize delivery through microservices, modern JavaScript frameworks like React and Angular, and automated CI/CD pipelines.

  • 9 years' experience
  • Joined July 2025

Industry experience

  • Financial Services
  • Healthcare
  • Transportation & Logistics
  • Energy & Utilities
  • Software & Internet

Work experience· 12 roles

Senior Software Engineer · ATH InfosystemsJul 2022 – Present · 4 yrs 5 mos

Backend development for a transport management system using ASP.NET Core and Entity Framework Core, enabling real-time driver tracking via a companion mobile app, automated invoicing, and centralized management of customer, shipper, and consignee data for logistics companies. Designed cross-platform mobile/web apps for a regional energy provider (ASP.NET Core, Angular, Xamarin) to enable online booking and payment for CNG/PNG deliveries. Led the backend for a telemedicine platform (ASP.NET Core, SignalR, Twilio) delivering real-time video/voice/chat, e-prescribing, insurance claims, and payments, contributing to a 270% increase in client revenue. Integrated Azure DevOps CI/CD pipelines to automate deployment and testing, reducing release times by 60%. Collaborated with product managers and QA to ensure requirements traceability and reduce post-release issues.

Senior Software Engineer · ATH InfosystemsJul 2022 – Present · 4 yrs 5 mos

Engineered backend systems for transport management, enabling real-time driver tracking, automated invoicing, and centralized client data management. Developed cross-platform mobile and web applications for energy delivery self-service. Led backend development for a telemedicine platform with real-time appointments, e-prescribing, and payment processing, contributing to major client revenue growth. Automated deployment with Azure DevOps CI/CD pipelines and enhanced collaboration with product and QA teams, improving release reliability and reducing issues.

Senior Software Engineer · ATH InfosystemsJul 2022 – Present · 4 yrs 5 mos

Engineered the backend of a transport management system using ASP.NET Core, Entity Framework, and REST APIs to enable real-time driver tracking and automated invoicing for logistics companies. Designed cross-platform mobile and web applications for energy delivery services, streamlining order processing. Directed backend development for telemedicine platforms delivering real-time appointments, e-prescribing, insurance claims, and payment processing, which grew client revenue by 270%. Integrated Azure DevOps CI/CD pipelines, reducing release times by 60%, and collaborated strongly with product managers and QA teams to ensure alignment and quality.

Senior Full Stack Developer · Castle HarlanJun 2022 – Oct 2025 · 3 yrs 5 mos
Senior Full Stack Developer · Castle HarlanJun 2022 – Jul 2025 · 3 yrs 2 mos
Senior Full Stack Developer · Castle HarlanJun 2022 – Jul 2025 · 3 yrs 2 mos
Lead .NET Developer · The MerrimanJun 2021 – Oct 2025 · 4 yrs 5 mos
Lead .NET Developer · The MerrimanJun 2021 – Jul 2025 · 4 yrs 2 mos

Education

Bachelor of Science · Cincinnati Christian University2010 – 2014
Bachelor of Science · Cincinnati Christian University2010 – 2014
Bachelor of Science in Computer Science · Cincinnati Christian University2010 – 2014

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