Building digital
experiences that matter.

I'm Mac Mittereder, a full-stack engineer crafting high-performance web applications with React, .NET, and modern cloud architecture.

Experience at

WebstaurantStore
Lexicon
Dollar Bank

Work Experience

WebstaurantStore logo

WebstaurantStore

March 2024 - Present (2 yrs 7 mos)

Software Engineer III

January 2026 - Present · 9 mos
  • Promoted from Software Engineer II
  • Improved subscription renewals while renewal failures remained at an all-time low

Software Engineer II

March 2024 - January 2026 · 1 yr 10 mos
  • Built internal tools for customer relations workflows
  • Mentored peers and reviewed code
  • Kept code coverage near 100% on pull requests with unit and integration tests; added Playwright end-to-end tests
ReactC#/.NETTypeScriptREST APIsGraphQLRabbitMQKubernetesGrafanaVaultPlaywrightSQL ServerSQL Query PlannerRedgateLiquibaseLLMRAGVertex AILangChain
Lexicon logo

Lexicon

Full Stack Software Developer

March 2023 - March 2024
  • Added features to Angular applications and refactored legacy code
  • Improved database and API performance, reducing response times by 30%
AngularC#/.NETSSMSREST APIs
Dollar Bank logo

Dollar Bank

Senior Application Developer

August 2021 - March 2023
  • Built .NET applications, from console programs to web services used by thousands of people
  • Led migration of ASP.NET pages to .NET MVC
  • Built and maintained SSIS packages for data migration and synchronization between systems
RazorC#/.NETSQL ServerSSISASP.NET MVC
aSa logo

aSa

Software Developer II

May 2018 - August 2021
  • Led feature development for Processing and Inventory Tracking using AngularJS and Entity Framework
  • Supported customers worldwide and resolved production issues across time zones
  • Designed SSRS reports used daily by customers worldwide
AngularJSC#/.NETEntity FrameworkSSRSSQL Server

Education

Saint Vincent College logo

Saint Vincent College

B.S. in Computing and Information Science

Latrobe, PA

Relevant coursework includes Server-Side Programming, Database Concepts and Information Structures, Software Engineering, Discrete Mathematics, Computer Architecture and Operating Systems, and Website Design.