# Dimitris Theodoropoulos

> Software engineer & product builder. Athens, Greece · Remote.

[Email](mailto:dimitriss.theodoropoulos@gmail.com) · [LinkedIn](https://www.linkedin.com/in/dimitris-theodoropoulos-dev/) · [dtheo.dev](https://dtheo.dev)

## Experience

### Founding engineer

[QasperAI](https://qasper.ai)
Apr–Oct 2026

Product & Technical Advisor, Mar–Apr 2026

- Built an AI-native discovery and booking platform from 0→1, growing to 130+ onboarded businesses.
- Architected the shared business data layer powering discovery, AI agents, MCP integrations, live availability, inquiries, analytics, and idempotent booking flows across PostgreSQL and external systems.
- Owned the product end-to-end across product, UX, engineering, architecture, production delivery, sales, content and GTM, including both customer-facing surfaces and core platform infrastructure.

PostgreSQL, AI agents, MCP

### Front-end software engineer

[Kaizen Gaming](https://kaizengaming.com/)
Oct 2024–present

- Own frontend delivery for Core Casino initiatives used by millions of users across 20+ markets, from proof of concept to production.
- Contribute to shared UI infrastructure, architecture and accessibility, adapting delivery to product and regulatory changes.
- Led the migration from ESLint and Prettier to oxlint and oxfmt, reducing lint execution time by approximately 95%.

Vue.js, TypeScript, oxlint, oxfmt

### Full-stack engineer

Independent
Jul 2023–Sep 2026

- Built web and mobile products end-to-end, owning discovery, architecture, UX, development, production delivery and client relationships.
- Maintained and modernized WeatherXM Explorer on a multi-month contract, adding bounty discovery and rebuilding map controls.
- Founding engineer for Cordia Health. Owned product and full-stack engineering for JobNRoll.

Next.js, React Native, Node.js

### Front-end engineer

[GWI](https://www.gwi.com/)
Apr 2022–Oct 2024

- Built React and TypeScript products with modular and micro-frontend architectures.
- Led company-wide adoption of pnpm, reducing CI and build times by approximately 40%.
- Modernized a large React application, moving from class components and Redux to functional components and a new design system. Contributed to shared libraries, authentication and team mentoring.

React, TypeScript, Redux, pnpm

### Front-end engineer

[Logicea](https://logicea.com/)
Feb 2021–Mar 2022

- Built responsive web and mobile products across healthcare and cybersecurity, taking features from requirements and mockups through production.
- Made product and UX decisions in ambiguous projects, with a focus on performance, accessibility and maintainable frontend architecture.

React, styled-components, Git

### Back-end engineer

[Quintessential SFT](https://www.quintessential.gr/)
Jul–Dec 2020

- Built backend services for a National Bank of Greece product, including REST APIs, external integrations and application data flows.

NestJS, Node.js, TypeScript, REST APIs

## 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.

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