# Dimitris Theodoropoulos

> Software engineer. Product Builder with 6+ years of professional experience, coding since age 12 and professionally since 18.

Software engineer with 6+ years of professional experience. Coding since age 12, professionally since 18.

Full-stack product engineer. Co-founded QasperAI and took it from 0→1 to 130+ businesses, owning everything from the data model to sales calls.

I turn ideas into scalable production systems, from 0→1 products to global platforms across 20+ markets serving millions of users.

I focus on measurable impact across revenue, engagement, engineering velocity, and the teams around me.

## Experience

[LinkedIn](https://www.linkedin.com/in/dimitris-theodoropoulos-dev/details/experience/)

Worked with: [Kaizen Gaming](https://kaizengaming.com/), [GWI](https://www.gwi.com/), [Logicea](https://logicea.com/), [Quintessential SFT](https://www.quintessential.gr/).

## From collaborators

> He always took the time to understand the business perspective behind our work, which allowed him to make smart technical choices that delivered real value to the customer.

Sam Almasri, Product Lead @ Superbet · Former teammate at Kaizen Gaming

> Working with Dimitris felt like having an in-house teammate. Proactive, responsive, and laser-focused on getting things right—not just done.

Stavros Koutis, CEO @ CrossBox Digital

> He took on the entire project, built the app from scratch in just one month, and exceeded every expectation.

George Karadakis, Founder of CASpire

## Selected work

- [QasperAI](https://dtheo.dev/work/qasper-ai/index.md): Founding engineer. Built an AI-native discovery and booking platform from 0→1, growing to 130+ onboarded businesses.
- [WeatherXM Explorer](https://dtheo.dev/work/weatherxm-explorer/index.md): Frontend engineer, contract. Joined on a multi-month contract to maintain and modernize the existing explorer. Added geographic bounty layers and country filters, connecting production APIs so station owners could find incentivized deployment areas.
- [Cordia Health](https://dtheo.dev/work/cordia-health/index.md): Founding engineer. Founding engineer for an encrypted iOS/Android health app with real-time communication and backend services.
- [JobNRoll](https://dtheo.dev/work/jobnroll/index.md): Product & full-stack engineering. Owned the product roadmap, database, application and deployment.

## Education

University of West Attica
MEng, Informatics & Computer Engineering
2020–2025, Athens, Greece.

## Achievement

[Philoxenia · Hustle Hours](https://philoxenia.hustlehours.com/)
Selected participant
Sep 2026, San Francisco.

Selected from approximately 1,000 Greek builders for a two-week San Francisco builder program.

## Contact

[Email](mailto:dimitriss.theodoropoulos@gmail.com)

Canonical: https://dtheo.dev/
Updated: 2026-10-16