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Mitchell L Lemons

Software Engineer | Workday Integrations Specialist

9+

Years Enterprise Dev XP

4+

Deployed Extend Apps

100+

Supported Integrations

I am a software engineer specializing in Workday integrations and Extend applications. With over 9 years of experience in enterprise development, I have a proven track record of delivering high-quality solutions that meet business needs. My expertise includes designing, developing, and deploying Workday integrations at enterprise scale, as well as creating custom applications using Workday Extend.


In my free time, I enjoy tinkering with my home lab, dabbling in photography, enjoying TTRPGs, and above all, spending time with my family.

Work Experience

RSM US LLP

Apr 2022 - Present

Lead Software Engineer

Remote

Working as an integration specialist on an agile team integrating data between Workday and a range of enterprise applications. Specialized in designing, developing, and maintaining scalable outbound integrations that support near-real-time data propagation. Led the design of an Azure-hosted abstraction layer using standardized APIs, databases, and serverless functions to streamline integrations. Mentoring both junior and peer-level team members to support team growth and delivery consistency.

Following a recent organizational restructure, assumed Developer Manager responsibilities, taking ownership of critical leadership functions. This includes serving as a Performance Advisor to peers, conducting mid-year and annual evaluations, and collaborating with BA and QA Managers to manage sprint planning and backlog prioritization. Additionally, responsible for making strategic decisions regarding Workday tenant management, including refresh schedules and tenant alignment across enterprise environments to support various organizational initiatives.

Key Accomplishments:

  • Designed and delivered ASP.NET microservice templates for integrations between Workday and our Enterprise Azure environments.
  • 3rd place at 2025 DevCon Hackathon with a Custom Billing UI utilizing Extend, Orchestrate, and PRISM.
  • Recognized in 2023 as RSM's IT Project Team of the Year

Notable Projects:

Workday Abstraction Layer
[View Details →]

Architect, Developer, Support, & More

Set of Azure Resources combined to abstract interacting with Workday for ease of re-use in implementing integrations.

Technologies:
  • ASP.NET Microservices
  • Azure Functions
  • Azure Service Bus
  • MSSQL Databases
  • Azure File Shares
  • REST APIs
  • Workday APIs
Responsibilities:
  • Designed the overall architecture and API standards
  • Developed reusable microservice templates
  • Implemented serverless functions for scalable data processing
  • Created & forked NuGet libraries for common functionality
  • Created documentation and best practices for the team
RSM Inbound Contracts Integration
[View Details →]

Technical Lead & Architect

Led the technical design and development of an asynchronous integration enabling project and contract creation in Workday from external CRM systems. Replaced a manual CSV-based process with a pub/sub architecture supporting active projects, opportunity tracking, and seamless conversion workflows.

Technologies:
  • C#
  • ASP.NET Microservices
  • Azure Service Bus
  • Redis Cache
  • Workday Orchestrate
  • Workday SOAP APIs
  • Workday REST APIs
  • OAuth 2.0
Responsibilities:
  • Architected pub/sub solution with maintenance-aware message processing
  • Led cross-team technical coordination and requirements gathering
  • Managed development team and sprint planning to meet 3-month deadline
  • Implemented dual-interface design (Service Bus + REST APIs) for testability
  • Lift-and-shifted existing orchestrations into use-case-specific workflows
Near-Real-Time Outbound Integrations
[View Details →]

Architect & Support

Worked with a 3rd party contractor to utilize a variety of technologies to accomplish near-real-time outbound integrations at enterprise scale, supporting data distribution across the enterprise. After initial development, took over ongoing support and enhancement of the solution.

Technologies:
  • Workday Orchestrate
  • Workday Business Processes
  • Azure Service Bus
  • Abstraction Layer Microservices
  • External OAuth with Workday CredStores
Responsibilities:
  • Designed event-driven architecture for real-time data flow
  • Implemented message queuing and retry logic
  • Optimized performance for high-volume data processing

Home Lab / Personal Projects

May 2021 - Present

Jack of all trades

Home

Maintaining and expanding a personal home lab environment to experiment with various technologies and projects. This includes setting up and managing servers, networking equipment, and software applications to enhance technical skills and explore new areas of interest.

Notable Projects:

D&D AI Combat Assistant
[View Details →]

Solo Developer & Architect

An intelligent FoundryVTT module that provides AI-powered combat assistance for NPCs in D&D 5e games. Uses Large Language Models to generate tactical recommendations based on combat situation analysis and customizable difficulty settings.

Technologies:
  • TypeScript
  • JavaScript
  • FoundryVTT
  • D&D 5e
  • AI/LLM Integration
Responsibilities:
  • Developed combat analysis engine for tactical positioning
  • Integrated LLM APIs for AI-powered decision making
  • Built action recommendation system for optimal combat choices
  • Designed and implemented FoundryVTT module architecture
Home Lab Infrastructure
[View Details →]

Infrastructure Engineer & Administrator

Self-hosted services and networking lab environment for experimenting with various technologies and infrastructure concepts. Continuously expanded to host local services and grow technical knowledge.

Technologies:
  • XCPng
  • TrueNAS
  • Ubiquiti Networking
  • Virtualization
  • Network Administration
Responsibilities:
  • Set up and maintained hypervisor infrastructure
  • Configured network topology and security
  • Deployed and managed self-hosted services
  • Implemented backup and disaster recovery solutions
Portfolio Website
[View Details →]

Full-Stack Developer & Designer

A static website built with Astro for showcasing professional portfolio. Features MDX content management, responsive design, and custom React components for an interactive user experience.

Technologies:
  • Astro
  • React
  • TypeScript
  • MDX
  • Tailwind CSS
Responsibilities:
  • Designed and implemented site architecture using Astro framework
  • Created reusable React components for dynamic content
  • Developed MDX-based content management system
  • Implemented responsive design and user experience features

Marshfield Clinic Health Systems - IS

Aug 2016 - Apr 2022

Programmer / Analyst, Sr.

Marshfield, WI & Remote

Worked as a full-stack .NET & React developer on an agile team that developed and managed Electronic Health Record Systems. Worked on all facets of the EHRs including, but not limited to, Provider UIs, Patient Mobile Apps, Database Structures, Service Layers, and Interoperability. Worked as a member of many agile teams at the same time, managing priorities and switching contexts and applications on a regular basis.

Notable Projects:

My Marshfield Clinic Mobile App
[View Details →]

A React Native application built using the Ionic library that allowed users to interact with their medical records.

Technologies:
  • React Native
  • Ionic Framework
  • TypeScript
  • Mobile Development
Responsibilities:
  • Built UI components in React Native
  • Implemented patient-facing features for medical record access
  • Collaborated with backend teams for API integration
  • Ensured HIPAA compliance for patient data
MCHS Cattails Dental
[View Details →]

A fork of Open Dental with custom modifications for interoperability between dental and comprehensive EHR solutions, focusing on integration and automated billing.

Technologies:
  • C#
  • Windows Forms
  • MSSQL
  • HL7 Integration
Responsibilities:
  • Developed custom features specific to MCHS practice
  • Implemented integrations with comprehensive EHR systems
  • Built automated billing workflows
  • Maintained and enhanced existing codebase
MCIS Clinicals
[View Details →]

A home-grown Electronic Health Care solution for clinical providers, supporting all facets of patient care and provider workflows.

Technologies:
  • C#
  • XAML
  • WPF
  • MSSQL
Responsibilities:
  • Developed provider UI components
  • Implemented clinical workflows and business logic
  • Built database structures and service layers
  • Supported interoperability with external systems

University of Wisconsin - Eau Claire

Sep 2014 - Dec 2017

Mathematics Researcher

Eau Claire, WI

Designed and developed an algorithmic heavy program that mimics the manual graphing processes used in our research to determine the algebra related to the Hasse graphs of automorphisms on n-dimensional semi-hypercubes. This program implemented n-dimensional object generation, performed automorphisms, and compared the results, generating a Hasse graph and traversing of that Hasse graph, calculating its algebraic formula.

Notable Projects:

N-Dimensional Semi-Hypercube Research
[View Details →]

An algorithmic heavy application used to aid in the research of finding the definitions of the algorithms of automorphisms done on the Coxeter Group, supporting algebraic mathematics research.

Technologies:
  • Java
  • MSSQL
  • Algorithm Development
  • Graph Theory
Responsibilities:
  • Built n-dimensional object generation algorithms for semi-hypercubes
  • Implemented automorphism operations on complex mathematical structures
  • Developed Hasse graph generation and traversal algorithms
  • Calculated algebraic formulas from graph representations
  • Automated manual graphing processes used in mathematical research

Education

University of Wisconsin - Eau Claire

Jan 2013 - May 2016
  • Bachelors of Science in Applied Mathematics
  • Bachelors of Science in Liberal Arts Physics
  • Minor in Computer Science

United States Air Force Academy

Jun 2012 - Dec 2012
  • Basic Military Training
  • Advanced STEM Coursework

Hard Skills

Workday

  • Extend
  • Orchestrate
  • Studio
  • Prism
  • EIB
  • Reporting / RaaS (Finance)
  • WQL

Microsoft Azure

  • DevOps
  • Service Bus
  • App Configuration
  • Key Vault
  • Application Insights
  • AKS
  • Functions App
  • SQL Database

C#

  • ASP.NET Core
  • Entity Framework Core
  • XUnit
  • Moq
  • Serilog
  • Swagger

Containerization

  • Docker
  • Kubernetes
  • Helm
  • Kustomize
  • Azure Container Registry

React

  • TypeScript
  • Material UI
  • Ionic
  • React Native
  • Astro

Soft Skills

Strategic Thinking

Technical Leadership

Mentorship & Team Guidance

Effective Communication

Adaptability