Building digital
experiences that matter.

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

Trusted by industry leaders

WebstaurantStore
Lexicon
Dollar Bank

Work Experience

My professional journey in software development

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WebstaurantStore

March 2024 - Present (1 yr 10 mos)

Software Engineer III

January 2026 - Present · 1 mo
  • Promoted to Software Engineer III in recognition of technical leadership and contributions to team success

Software Engineer II

March 2024 - January 2026 · 1 yr 10 mos
  • Developed internal tools and applications to streamline customer relations workflows and improve team productivity
  • Collaborated with cross-functional teams to design and implement scalable solutions using modern web technologies
  • Mentored peers and conducted code reviews to maintain high code quality standards
  • Maintained nearly 100% code coverage on pull requests with comprehensive unit and integration tests; added Playwright end-to-end coverage where appropriate
ReactC#/.NETTypeScriptREST APIsGraphQLRabbitMQKubernetesGrafanaVaultPlaywrightSQL ServerLLMRAGVertexAILangGraph
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Lexicon

Full Stack Software Developer

March 2023 - March 2024
  • Integrated new features in modern Angular applications and refactored legacy codebase for improved maintainability
  • Worked closely with QA and PMOs to design, build, and deliver software features with high user satisfaction
  • Implemented database optimizations and API improvements resulting in 30% faster response times
AngularC#/.NETSSMSREST APIs
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Dollar Bank

Senior Application Developer

August 2021 - March 2023
  • Developed enterprise .NET applications from console applications to web services serving thousands of users
  • Led the migration of legacy ASP.NET web pages to modern .NET MVC architecture
  • Built and maintained SSIS packages for critical data migration and synchronization between systems
RazorC#/.NETSQL ServerSSISASP.NET MVC
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aSa

Software Developer II

May 2018 - August 2021
  • Led development across Processing and Inventory Tracking teams, implementing critical features using AngularJS and Entity Framework
  • Provided global customer support and resolved production issues across multiple time zones
  • Designed and developed SSRS reports used daily by customers worldwide for business operations
AngularJSC#/.NETEntity FrameworkSSRSSQL Server

Education

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Saint Vincent College

BS - Computing and Information Science

Latrobe, PA

Courses taken include Server Side Programming, Database Concepts and Information Structures, Software Engineering, Discrete Mathematics, Computer Architecture and Operating Systems and Website Design.