DD.

Hello, I am

Dennis Drueck

I'm a Software Engineer based in Naperville, Illinois.

With 7 years of software development experience and 20 years in Information Technology, I can readily excel in any environment. My diverse background spans multinational corporations, as well as start-ups and freelancing.

I've created pragmatic solutions to numerous complex problems, prioritizing scalability and engineering efficiency. Currently, I'm building full-stack frameworks for Tempus AI's DNA sequencing pipeline, improving delivery timelines, and streamlining user experience.

My commitment to continuous learning and growth empowers me to tackle increasingly challenging issues and deliver high-impact, easy-to-maintain solutions.


Resume

Experience

Senior Software Engineer

Tempus AI (via Egen)

4/2023 – Present

Chicago, IL

  • Modernized the ordering platform with a modular, server-driven UI, enabling every new product to launch 2–4 weeks faster.
  • Raised SLO compliance to 99% from 88% by eliminating concurrency issues in the laboratory information management system (LIMS).
  • Led a cross-functional API upgrade for EMR ordering infrastructure, eliminating 160 hours of manual triage per month for order failures.
  • Improved reliability and compliance of the config-driven ordering platform (36K+ monthly orders) through runtime flags, privacy-aware error handling, and simplified failure modalities.
  • Mentored 5 engineers through documentation, demos, pair programming, and code reviews—accelerating senior-level readiness by 3–6 months, raising code quality, and enabling mentees to lead initiatives with up to 4x greater scope.

Software Engineer

Martial Arts Technologies

12/2022 – 4/2023

Chicago, IL

  • Cut costs for maps integration by 10x by replacing Google Places with a custom implementation of ArcGIS and OpenStreetMap, preserving full interactivity and existing UX.
  • Improved customer satisfaction and SEO performance by implementing responsive, cross-platform UIs and robust form validation across 60 web pages—reclaiming 10 hours per month for the support team.
  • Unblocked launch by building a custom image analysis tool to auto-generate brand-aligned themes, cutting 50 hours of skilled design labor at launch and 5 hours/month ongoing.

Software Engineer

Ethereum Homies

11/2021 – 08/2022

West Palm Beach, FL

  • Accelerated time-to-revenue, generating $2M+ in NFT sales through fast-paced delivery, delivering MVP within 1 week, and every new feature within 1 day of feature request.
  • Created a resilient Web3 client with 99.9% transaction success by syncing real-time pricing and gas estimates—boosting user trust and mitigating support overhead.
  • Established critical credibility in a competitive NFT market through a performant, media-rich UX including 3D model interactivity, video embeds, and responsive layouts.

UI Developer

Text2Drive

02/2019 – 10/2021

Chicago, IL

  • Delivered real-time messaging widgets to over 200 auto dealership websites, owning development, deployment, and client onboarding.
  • Reduced design change requests by 85% by increasing asset configurability, achieving seamless UX coherence with host sites.
  • Reduced time-to-delivery by 50% by improving cross-company delivery pipelines.
  • Automated tasks using Python and Selenium, eliminating 40 hours per month of toil.

Education

FastTrack Developer Program

Cook Systems

12/2022 – 02/2023

Memphis, TN

  • Led a team of 3 developers, building multiple full-stack applications, including a Twitter clone, a Spotify-based guessing game, and a company management portal.
  • Studied design patterns, Onion Architecture, Git, GitHub, Java, Spring Boot, PostgreSQL, JavaScript, React.js, Node.js, CSS, and HTML.

Bachelor of Fine Arts

University of Illinois Chicago

08/2008 – 05/2012

Chicago, IL

  • Studied web design, design thinking, visual communication and perception theory.

Certifications

FreeCodeCamp.org

06/2021 – 12/2022

San Francisco, CA

  • Back End and APIs — Express.js, MongoDB, Node.js
  • Relational Databases — PostgreSQL, Bash
  • Front End Libraries — React.js, Redux, jQuery, Bootstrap
  • JavaScript — Data Structures and Algorithms
  • Python — Scientific Computing
  • Responsive Web Design — Semantic HTML5, CSS3

Featured Projects

featureImage

Martial Arts Technologies

featureImage

Astro Portfolio

featureImage

TrapMonkie

featureImage

EthereumHomies

featureImage

Twitter Clone API

featureImage

Spotify Artist Guessing Game

featureImage

Company Management Portal

featureImage

Exercise Tracker