Thomas Bergmann
@thomasbergmann
Senior software engineer specializing in microservices and cloud-native development.
United StatesWhat I'm looking for
I am a Senior Full Stack Engineer with over 12 years of experience specializing in microservices architecture and cloud-native development. At eBay, I spearheaded the architectural redesign and migration of a high-volume e-commerce catalog system from a monolithic .NET Framework to microservices on .NET Core and AWS, improving system fault tolerance and deployment frequency by three times. My expertise in developing resilient RESTful APIs and event-driven services has supported over 30 million product updates per month, significantly reducing latency.
Throughout my career, I have demonstrated a proven ability to modernize legacy platforms and deliver scalable SaaS solutions using agile methodologies and DevOps best practices. I have mentored junior developers, championed testing practices, and contributed to high-impact technical decision-making as part of eBay’s Principal’s Guild. My work has not only improved system performance but also enhanced cross-functional collaboration and reduced onboarding time for new engineers.
I am passionate about leveraging technology to solve complex business problems and have successfully led greenfield initiatives to migrate legacy systems to modern architectures. My commitment to coding standards and modular development practices has resulted in improved code quality and reduced defect rates across teams.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
eBay
Jul 2020 - Present (5 years)
Spearheaded the architectural redesign and migration of a high-volume e-commerce catalog system from monolithic .NET Framework to microservices on .NET Core and AWS, improving system fault tolerance and deployment frequency by 3x. Developed and scaled resilient RESTful APIs and event-driven services using C#, Kafka, Redis, and PostgreSQL to support over 30 million product updates per month, reduci
Senior Software Engineer
Paylocity
Jul 2017 - Present (8 years)
Led greenfield initiatives for migrating legacy ASP.NET HR/payroll systems to React + .NET Core microservices, reducing deployment complexity and improving time-to-market by 30%. Designed scalable service interfaces and orchestrated cross-service communications using RESTful APIs and RabbitMQ, resulting in 50% lower error rates under high concurrency. Built a React dashboard for workforce analytic
Full Stack Engineer
Microsoft
Sep 2013 - Present (11 years 10 months)
Delivered 12+ cloud-native enterprise applications in joint development with Fortune 500 customers, applying Microsoft Azure, .NET Core, Java, and Angular to solve critical business problems in healthcare, finance, and energy sectors. Built secure, scalable, multi-tenant APIs and microservices using Azure Functions, Azure SQL, and KeyVault, enabling compliance-ready deployments across multiple reg
Education
Degrees, certifications, and relevant coursework
UBUniversity of Alabama at Birmingham
B.S. in Computer Science, Computer Science
Completed a Bachelor of Science in Computer Science, gaining foundational knowledge in programming, algorithms, and software development. The curriculum prepared me for a career in software engineering.
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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