Jhon Stuardo Rodríguez

Jhon Stuardo Rodríguez

Senior Flutter Developer
Ecuador
Spanish, English
Contract Remote

About Me

Senior Flutter developer with 4+ years in production. Expert in Clean Architecture + DDD, BLoC/Cubit, dependency injection, and monorepos with Pub Workspaces + Melos. Full end-to-end ownership: design, implementation, CI…

Experience

Flutter / FlutterFlow Developer

INNTECI – QUID · Costa Rica, remote
Feb 2024 - May 2026 · 2 years 2 months

<p>Contracted through INNTECI – QUID for the client Grupo PurdyGo (automotive platform), in a team of 6-8 developers under Scrum/Jira.</p><p> Involved in technical decisions and architecture across multiple production apps.</p><p> Connect (vehicle control): GPS tracking, trip history, alerts, Teltonika device integration.</p><p> Roles & permissions system in Dart (enums + backend permissions) for shared vehicles — scalable solution designed in close collaboration with the backend team.</p><p> TeLLevo (mobility, ~5,000 users): in-memory cache for Google Maps Directions API indexed by route ID.</p><p> Static routes achieved 100% cache hit rate, significant reduction in API costs and latency.</p><p> PurdyGo (FlutterFlow): full registration flow, email/SMS OTP auth, Push Notifications with GoRouter navigation, multi-step maintenance appointment system with multiple APIs, Deep Links/Universal Links for Android + iOS.</p><p> Technical leadership in FlutterFlow: custom widgets, actions, functions, dev/prod environment management, folder architecture and reusable components.</p><p> Vehicle reservation flow (1,000+ users): filtering by brand/year/model/category, vehicle selection, detail view, color picker and confirmation form with consistent backend validation.</p><p> Assigned as the most complex flow in the project.</p><p> Branch SDK deep links in FlutterFlow: Facebook ad campaigns with session validation via custom actions and conditional redirection (login/destination).</p><p> Separate Android/iOS config.</p>

Software Developer

Cerebox · Ecuador, remote
May 2022 - Jan 2024 · 1 year 7 months

<p>Full end-to-end mobile app development: architecture, implementation, payment integration, push notifications and publishing (5+ production apps).</p><p> BarHop Social — geospatial algorithm: continuous evaluation of user position vs polygon boundaries of 400+ bars in Google Maps (KD-Tree).</p><p> Immediate activation on radius entry.</p><p> Optimized for CPU/memory with hundreds of geometries evaluated in parallel.</p><p> Real-time messaging via PubNub, segmented notifications, background geolocation via Flutter Background Geolocation (Android + iOS, Apple compliance met).</p><p> Open-source LLMs (2023): early integration of Mistral, Hugging Face and LangChain in Flutter apps — contextual chatbots, recommendation systems, local NLP.</p><p> Foro Lex (Android · iOS · Web): cross-platform legal platform with Clean Architecture.</p><p> CI/CD: GitHub Actions for automated build/test/deploy.</p><p> Basic Docker.</p><p> Python scripts for API and database automation.</p>

PROJECTS

YapaStock – Inventory management app for micro-markets

Newsotf · https://main.yapastock.pages.dev/
Duration : 12-Jul-2026 - 13-Oct-2026

<p>Inventory management app for small neighborhood stores (micro-markets) in Ecuador. I designed and built the Flutter client (Clean Architecture) and a Rust backend running on AWS Lambda (ARM64), with the web app deployed on Cloudflare Pages. It is live in production and used by real stores.</p>

Certifications

CIENCIAS SOCIALES, EDUCACION COMERCIAL Y DERECHO

universidad de loja · Nueva Loja , Sucumbíos Province , Ecuador · 2019

Skills

Flutter Dart Clean Architecture DDD BLoC Cubit Dependency Injection Pub Workspaces Melos MVVM Supabase PostgreSQL RLS Edge Functions Deno Firebase FastAPI REST APIs Rust Axum AWS Lambda ARM64 MCP Server dart:ffi Tokio Serde DeepSeek Claude API OpenAI LangChain Mistral Hugging Face Function-calling FlutterFlow GitHub Actions Codemagic Docker Cloudflare Workers Cloudflare Pages AWS Lambda FCM GoRouter Deep Links Universal Links Background Geolocation Crashlytics Analytics JavaScript ES Modules WASM React
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