iulianpoenaru
Experience

Where I've worked
and what I shipped

Five years of building mobile and web products across startups, agencies and freelance engagements — the roles, the teams and the technology behind each one.

Technologies
2026 – PRESENT

Full Stack Software Engineer

HCLTech

  • Developing and improving React and FastAPI system softwares
  • Python
  • React
  • TypeScript
  • FastAPI
  • Azure
  • MongoDB
  • Zod
  • Mobile
  • Web
2024 – PRESENT

Software Engineer

Iulian Poenaru PFA

  • Developing and improving the performance of mobile and web apps using React Native, Expo, and NextJS.
  • Collaborating closely with backend teams to design and implement solutions leveraging GraphQL and RESTful APIs.
  • React
  • React Native
  • Expo
  • Next.js
  • GraphQL
  • Supabase
  • Zustand
  • Datadog
  • Tailwind CSS
  • Mobile
  • Web
2023 – 2026

Mobile Engineer

Cobalt Sign

  • Building mobile apps from scratch to store release, ensuring smooth end‑to‑end functionality using React Native, Redux, and GraphQL.
  • Integrating Flutter modules into Swift and Java apps, delivering a seamless cross‑platform experience.
  • Developing and redesigning mobile‑first user interfaces with Flutter, Hive, and Riverpod, ensuring visual accuracy and web compatibility.
  • React
  • React Native
  • GraphQL
  • Flutter
  • Kotlin
  • Swift
  • Redux
  • Dart
  • Mobile
2022 – 2023

Software Engineer

Devegion

  • Owned end-to-end delivery for 2 React Native/Expo apps (requirements to production), coordinating 3-person teams and hitting all release deadlines
  • React Native
  • Firebase
  • Next.js
  • React
  • TypeScript
  • Expo
  • Zustand
  • Jotai
  • Web
  • Mobile
2021 – 2022

Web Developer

Freelance

  • Developed web applications using React for contractors and small businesses ensuring the entire development process went smooth.
  • Improved the design and performance of existing projects using HTML, CSS, and JavaScript.
  • React
  • HTML
  • CSS
  • Web