rizesql

Stefan Rizescu

Fullstack developer

Name: Rizescu Iulian Stefan

Email:

City: Bucharest, Romania

Social: GithubLinkedInBluesky

Portfolio: https://rizesql.dev

Education

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University of Bucharest, Faculty of Mathematics and Informatics

Bachelor's of Computer Science

Work experience

-Present

Codestory

Junior Software Develope — Bucharest, Romania

  • Oprisa.de (React · TypeScript · Next.js · PostgreSQL) — Built a greenfield fleet platform for managing approx. 200 UberEats couriers, with a primary focus on improving user management and streamlining onboarding efficiency.
  • Medx5 (React · TypeScript · Remix) — Built a full-stack platform for AED registration and training management, implementing robust user authentication, core application logic, and registration workflows for device location tracking.
  • Fepra (React · TypeScript · Tanstack Router · GraphQL) — Led a strategic overhaul of the main application; integrated new technologies and optimized key workflows to improve efficiency and build a scalable foundation.

-Present

Stiri bazate

Volunteer Software Developer — Remote

Established the project setup and component library for an admin dashboard that enables 30+ non-technical editors to write articles and publish articles independently; prototyped a scalable design system for future development.

-Present

UPB Rust Workshop

  • Actively involved in organizing a biannual, two-day workshop focused on introducing students to basics of Rust.
  • Designed and instructed the web servers section for 30+ students per session, teaching essential HTTP concepts, practical Axum framework usage, and advanced topics like Websockets and asynchronous programming.
  • Coordinated a highly impactful one-day OSS hackathon with 120+ student participants, consistently generating over 60 meaningful code contributions to significant Rust projects such as Cargo and TockOS.

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Hronica

TODO

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Upriver Technologies

Junior Software Developer — Bucharest, Romania

Developed and shipped web & native full-stack applications across healthcare, social, and hospitality sectors, consistently delivering under tight deadlines and evolving priorities.

  • Healthentia (React Native · JS) — Transformed an unstable Android health app prototype into a viable product and stabilized the app by eliminating critical startup crashes and refined UX for medical data and authentication flows.
  • Momsi (React Native · Node.js · PostgreSQL) — Took full ownership of the mobile app and backend. Redesigned user onboarding, rebuilt key Marketplace features, and implemented 15+ new end-to-end features independently.
  • Dinner in the Sky (React · Remix · TypeScript) — Built a reservation and admin system from concept to deployment. Added real-time booking, content tools for non-technical users, and payment and scheduling workflows.

Projects

Aegis

My bachelor's thesis

AERGO

I'm building a links hoarder in my image and likeness

Mishell

We had to do a shell for a OS course, so we chose rust.

RZstd

My take on the Zstd compression algorithm

Tau

TODO

Term

Notion calendar was not enough, so I took my schedule in my own hands