Hi, I'm
Cristian Arellano
Software Engineer · Flutter · AI Integrations & Automation
Full Stack developer specialised in Flutter with 2+ years building, optimising and scaling production apps.
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About me
Professional profile
Full Stack developer specialised in Flutter with 2+ years of experience developing, optimising and scaling production applications. Focused on Clean Architecture, Riverpod/BLoC, Firebase and Cloud Functions. Professional experience in web development with Vue 3, Nuxt and TypeScript, plus backend work with FastAPI. Trained in UI/UX and Figma, and actively involved in technical decisions, large-scale refactors and performance optimisation.
Self-taught · Proactive · Highly adaptable · Performance- and scalability-oriented
+0years of experience
0professional roles
0personal projects
Career
Experience
Jun 2026 – Sep 2026
Web Lead (Vue / Nuxt / Tailwind) · Plenitas
Leganés, España (Remoto)
- Technical decision-making on the architecture and stack of the web project.
- Owned deployment and production rollout of the web applications.
- Vue 3
- Nuxt
- Tailwind CSS
- TypeScript
Feb 2026 – Jun 2026
Web Developer (Vue / Nuxt / Tailwind) · Plenitas
Córdoba, España
- Built modern interfaces with Vue 3, Nuxt and Tailwind CSS on a product live in production.
- Refactored Vue components applying Clean Architecture, reducing coupling across 20+ components and improving maintainability.
- Vue 3
- Nuxt
- Tailwind CSS
- Clean Architecture
Nov 2025 – Feb 2026
Flutter Developer · ICCA
Córdoba, España
- Full refactor of the app (~15 screens), migrating from Provider to Riverpod with feature-first Clean Architecture, improving testability and scalability.
- Redesigned navigation with go-router; implemented localisation, Deep Linking and advanced authentication.
- Integrated REST APIs and external services; published to the App Store and Google Play.
- Flutter
- Riverpod
- go_router
- Deep Linking
- REST APIs
Mar 2024 – Sep 2025
Flutter Developer · Plenitas
Córdoba, España
- Native Flutter package that improved Lottie performance by 50%.
- Internal store (CMS) and external store with Stripe payments, integrated in production.
- Integrated R8 obfuscation, shrinking the APK and hardening app security.
- Restructured the codebase with SOLID principles, improving product scalability.
- Flutter
- Dart
- Stripe
- SOLID
- R8
Selected work
Projects
WENT
A social network for sharing trips
- Flutter
- BLoC/Cubit
- Mapbox
- Cloud Functions (TS)
Toolbox
Tech stack
Mobile
- Flutter
- Dart
- Riverpod
- BLoC/Cubit
- go_router
- Deep Linking
- NFC
Backend / Cloud
- Firebase
- Firestore
- Cloud Functions
- FastAPI
- REST APIs
Web
- Vue
- Nuxt
- Tailwind CSS
- TypeScript
Architecture
- Clean Architecture
- SOLID
- Feature-First
- DDD
UI / UX
- Figma
- UI Design
- UX Design
- Prototyping
Tools
- Git
- GitLab
- Stripe
- Android/iOS Stores
- n8n
Background
Education & certifications
Education
Sep 2026 – Present
Computer Engineering
Universitat Oberta de Catalunya (UOC)
Sep 2022 – Jun 2024
Cross-Platform Application Development
IES Florencio Pintado
Sep 2019 – Jun 2021
Telecommunications & IT
IES La Fuensanta
Languages
Spanish (native) · English B1 (B2 in progress)
Certifications
- Bootcamp IA (Forward Deployed Engineer)Avos TechIn progress
- Vue.js Learning PathFrontend Masters2026
- Figma UI UX Design EssentialsUdemy2026
- Implementación de IA en las PYMESCámara de Comercio2026
- FastAPI: The Complete Course (Beginner + Advanced)Udemy2025
- Flutter Web: Professional Applications and WebsitesUdemy2025
- Flutter Mobile: Native ResourcesUdemy2025
Let's talk
Contact
Got a project in mind, or looking for someone for your team? Drop me a line.
- Location
- Leganés, España