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Jens

About Me

Customer Service

Jun. 2022 - Aug. 2022

At Walmart, I excelled in a fast-paced retail environment, handling transactions, customer service, and logistics with efficiency.

  • Processed high-volume transactions with speed and accuracy.
  • Provided exceptional customer service for purchases, returns, and inquiries.
  • Maneuvered and organized heavy shopping carts in a demanding, fast-paced environment.
  • Maintained a clean, organized store to enhance customer experience.
  • Developed resilience, efficiency, and teamwork under constant pressure.

In-N-Out

Nov. 2022 - May 2024

At In‑N‑Out Burger, known for exceptional quality and service, I developed key skills:

  • Operated registers, drive‑thru, fry, and prep stations.
  • Provided efficient service in high‑volume settings.
  • Trained teammates to foster leadership.
  • Upheld strict food safety and cleanliness.
  • Excelled in problem‑solving under pressure.

Mechanic

Jul. 2024 - Oct. 2024

At Quincy Foods, LLC, I maintained and repaired large-scale combines, ensuring peak efficiency.

  • Diagnosed and repaired hydraulic, electrical, and mechanical systems.
  • Performed preventative maintenance to prevent downtime.
  • Utilized technical manuals and diagnostics for troubleshooting.
  • Ensured safety compliance and optimal equipment performance.
  • Worked 90+ grueling hours weekly, pushing physical and mental limits.

Startup

Nov. 2024 - Present

GangDev is a software development startup specializing in games, AI, and custom applications.

  • Designing and building game engines, AI models, and web applications.
  • Leading full-stack development across frontend and backend systems.
  • Managing project workflows, client relations, and business operations.
  • Developing scalable, high-performance, and secure solutions.
  • Building a brand and online presence, establishing GangDev in the tech industry.

With hands-on experience in cloud computing, DevOps, and server administration, I manage my own infrastructure and lead large-scale projects, all while actively contributing to collaborative open-source development—a journey that’s taught me the true value of teamwork and shared innovation.

One of my proudest achievements is founding GangDev, a company built on work ethic, efficiency, and scalable solutions. I've engineered a high-performance web platform and crafted procedural game mechanics that boost scalability, refine AI behavior, and enhance in-game systems.

My goal is to grow GangDev into a trademarked, mid-sized development company that generates seven to eight figures annually through innovative digital products. Whether working solo or as part of a team, I bring a problem-solving mindset, deep technical expertise, and relentless drive to every project I tackle.

Expertise

I have a vast array of experience in computer science.

Web Development
PHP, HTML, CSS, JavaScript, and Ruby.
App and Software Development
Java, Kotlin, and Rust.
AI and Machine Learning
Python, Tensorflow, and Rust.
Database Management
PostgreSQL, MySQL, SQLite, Oracle, and Cassandra.
Systems and Infrastructure
Linux, DevoOps, Cloud Computing, and Apache.

Some of my favorite projects:

- GangDev Website -
- Game Engine (Alpha) -
- Crust (Alpha) [Online] -
- Roast Generator -
- MMF Generator -

My Links

GitHub
Stack Overflow
Coursera
Digital Media Portfolio
Instagram
YouTube

Contact

(jens.hansen@gangdev.co)