Full-stack engineer at Herzog Railroad Services in Saint Joseph, Missouri. I build enterprise CMMS and railroad operations software across C#, .NET, TypeScript, Angular, and SQL. English and German fluent, French working.

Experience

Jan 2025 – Present

Full Stack Software Engineer

Herzog Railroad Services · Saint Joseph, MO

  • Building and maintaining full-stack applications across C#, .NET, MAUI, WPF, WinForms, and TypeScript.
  • Redesigned a developer test environment to isolate concurrent workloads and unblock parallel testing.
  • Built developer-productivity automations in Power Automate to reduce repetitive manual workflows.
  • Stood up a fully on-prem LLM workflow with Open WebUI and Ollama as a developer-assist tool — no third-party services, no external data egress.
  • Wrote a weekly aggregation job that gives the team a single view of throughput and trends.

Jun 2023 – Jan 2025

Accounting Service Assistant

Missouri Western State University · Saint Joseph, MO

  • Audited A/P checks for compliance with state and university policy; prepared monthly invoices and reconciled payments.
  • Owned year-end operations, inventory assessment, and fixed-asset tagging alongside the CS degree.

Education

Dec 2024

B.S. Computer Science

Missouri Western State University · Saint Joseph, MO

GPA 3.38. Dean's List Spring 2023, Fall 2023, and Spring 2024.

Dec 2020

Associate's in Diesel Engine Technology

Bishop State Community College · Mobile, AL

Dean's List.

Skills

Languages

C#TypeScriptSQLJavaPythonC++HTMLVB.NET

Frameworks

.NETMAUIWPFWinFormsAngularJava Spring

Tools & infra

AzureRabbitMQGitBitBucketJiraSonarQubeCode RabbitLinqPadCI/CDLinuxDockerPower Automaten8nOpen WebUIOllama

Spoken

German (native)English (fluent)French (intermediate)

Reach me

Email

[email protected]

GitHub

@lukas-siemers

LinkedIn

Lukas Siemers