Senior Mobile Flutter & AI Engineer with 6+ years of experience building strongly-typed, production-grade Flutter/Dart applications using Clean Architecture and SOLID. Specializes in Agentic systems, RAG workflows, and vector database engineering with Supabase (Vector/PGVector and Pinecone), with strong security focus including RLS and user ID validation. Experienced in orchestrating LLM/agent pipelines with cost and observability controls, deploying models locally and in the cloud, and turning complex AI outputs into intuitive, search-centric user experiences across mobile/web platforms. Proven record delivering scalable, secure AI-enabled products and robust Supabase infrastructure for privacy, performance, and maintainability.…

Maria Lilia Jimenez Muñoz

Senior Mobile Flutter & AI Engineer with 6+ years of experience building strongly-typed, production-grade Flutter/Dart applications using Clean Architecture and SOLID. Specializes in Agentic systems, RAG workflows, and vector database engineering with Supabase (Vector/PGVector and Pinecone), with strong security focus including RLS and user ID validation. Experienced in orchestrating LLM/agent pipelines with cost and observability controls, deploying models locally and in the cloud, and turning complex AI outputs into intuitive, search-centric user experiences across mobile/web platforms. Proven record delivering scalable, secure AI-enabled products and robust Supabase infrastructure for privacy, performance, and maintainability.…

Available to hire

Senior Mobile Flutter & AI Engineer with 6+ years of experience building strongly-typed, production-grade Flutter/Dart applications using Clean Architecture and SOLID. Specializes in Agentic systems, RAG workflows, and vector database engineering with Supabase (Vector/PGVector and Pinecone), with strong security focus including RLS and user ID validation.

Experienced in orchestrating LLM/agent pipelines with cost and observability controls, deploying models locally and in the cloud, and turning complex AI outputs into intuitive, search-centric user experiences across mobile/web platforms. Proven record delivering scalable, secure AI-enabled products and robust Supabase infrastructure for privacy, performance, and maintainability.

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Skills

Experience Level

Flutter
Expert
API
Expert
Python
Expert
SQL
Expert
Large Language Model
Expert
Prompt Engineering
Expert
TypeScript
Expert
AI Chatbot
Expert
PostgreSQL
Expert
ChatGPT
Expert
Claude
Expert
Docker
Expert
Kubernetes
Intermediate
AI Data Labelling
Intermediate
Postcard
Beginner
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Language

Spanish; Castilian
Fluent

Work Experience

Senior Mobile Flutter & AI Engineer at SocialTwInX
March 1, 2026 - June 30, 2026
Architected and developed cross-platform mobile application using Flutter and Dart, enforcing strong typing plus Clean Architecture and SOLID for scalable, highly decoupled code. Designed and optimized RAG workflows using Supabase Vector and Pinecone for AI-driven social interactions. Implemented Supabase infrastructure with rigorous security, enabling Row Level Security (RLS) and strict User ID validation to maximize privacy and performance. Built Supabase Edge Functions (TypeScript) for low-latency processing and secure data handling. Integrated production LLM components using Python for model orchestration and deployment-ready AI pipelines; also worked on product strategy features such as a “Global Search” capability for turning raw data into actionable semantic insights.
Senior Mobile Flutter & AI Engineer (Factu Veri) | AI Engineer & Lead Developer at Factu Veri (Independent project)
February 1, 2026 - April 30, 2026
Engineered a specialized “Fiscal Copilot” agentic system using AI agent architecture to automate financial management workflows for freelancers. Implemented RAG infrastructure with Supabase Vector to support intelligent document analysis and automated data extraction. Developed server-side logic using Supabase Edge Functions with TypeScript for low-latency regulatory processing and secure data handling. Used Python for model orchestration and integrated LLMs into production environments; implemented a product “Global Search” feature as a flagship capability transforming raw inputs into actionable, semantics-based insights.
Senior Flutter Developer at Big BangTec
February 1, 2025 - February 28, 2026
Built scalable product information management and sales-enablement platforms across desktop, web, and Linux. Currently working on a product management system defining, validating, and managing structured product data, with export of optimized configurations to marketplaces such as Amazon, AliExpress, and Alibaba. Specialized in Clean Architecture, modular design, BLoC/Cubit state management, performance optimization, and reliable data-driven application development. Integrated APIs and handled complex data models while ensuring consistency across multi-platform environments.
Lead Flutter Developer at KlickTicket
April 30, 2024 - December 30, 2024
Led development of a complex Flutter app handling sensitive financial data with advanced security measures. Managed state using BLoC and Provider, integrated backend APIs, and implemented Material 3 design with animations for a smooth user experience. Required careful handling of personal and economic data with strong emphasis on security and efficiency.
Flutter Mobile Developer at KnowMadmood
September 1, 2023 - March 31, 2024
Developed a Flutter mobile application using BLoC for state management and Hive for local storage, integrating Firebase services and API connections. Worked with app lifecycle, third-party libraries, and APIs; applied Android SDK architectural patterns and deployment knowledge for Google Play and Apple App Store.
Flutter Mobile Developer at Plexus Tech
August 1, 2021 - September 1, 2023
Built Flutter mobile features using GetX for state management and Hive for local data. Integrated Firebase services and Bluetooth connectivity; worked with app lifecycle, third-party libraries, and APIs. Applied Android SDK architectural patterns and mobile release workflows for Google Play and Apple App Store, using Git for collaboration.
Flutter Mobile Developer (Personal Projects)
April 1, 2021 - August 1, 2021
Developed and published multiple Flutter applications, including a calculator app and a list app, available on Google Play.
Flutter App Developer (Personal Projects)
March 1, 2020 - March 1, 2021
Developed and published additional Flutter apps: a restaurant management app (internally referenced) and a connected life app for managing personal and medical data, with Google Play distribution.
Android Mobile App Developer
June 1, 2018 - November 1, 2018
Developed Android apps in Android Studio including product listing and a take care people concept app; integrated Firebase phone authentication and implemented UI components with ViewPager animations and Google Maps APIs.
Android Mobile App Developer at For La Caixa ta (Android projects)
June 1, 2018 - November 1, 2018
Built Android apps in Android Studio using Java, including authentication by phone number via Firebase API. Implemented animations using view pager and handled UI requirements. Developed container-based views and integrated Google Maps APIs.
Android Mobile App Developer at Wara cle Ltd (Android projects)
February 1, 2018 - March 1, 2018
Developed Android apps including product listing with card-based individual information display (“Cakelist” repository reference). Used Android Studio and Java; implemented animations using view pages and integrated Firebase phone-number authentication, plus Google Maps APIs. Included Android UI work (RecyclerView, layouts, UI/UX).

Education

Higher education in Technical Engineer of Software at Universidad Antonio Jose Camacho - UNIAJC (Colombia)
January 1, 2006 - January 1, 2006

Qualifications

Flutter Development Bootcamp with Dart
January 1, 2020 - January 1, 2020
Flutter & Firebase — Build App to Android and its in Flutter
January 1, 2019 - January 1, 2019
React Native Bootcamp (ResoCoder Academy)
January 1, 2021 - January 1, 2021

Industry Experience

Software & Internet, Computers & Electronics, Financial Services, Education, Media & Entertainment
    Marialjideveloper - High-Fidelity Portfolio & AI Hub

    marialideveloper.com is a high-performance web application designed to showcase the intersection of advanced Mobile/Web UI and Intelligent Backend Architectures. Built entirely with Flutter, it serves as a live “Proof of Work” for building scalable, production-ready digital products.

    Key Technical Achievements:
    Advanced Flutter Web Implementation: Leveraged flutter_animations and custom transition logic to deliver a 60fps cinematic user experience. The site features complex layout management and specialized widgets for high-engagement storytelling.

    Robust Supabase Backend: Integrated as the primary BaaS, utilizing Row Level Security (RLS) to ensure data integrity and secure user interactions. This setup demonstrates a “Security-First” approach to personal data and content management.

    Media & API Orchestration: Seamless integration of external services, including YouTube Embeds and dynamic API fetching, managed through a clean and maintainable state management architecture.

    Optimized Performance: Implemented custom caching strategies and lazy-loading for media assets to ensure fast initial paint times, even with heavy animation and video content.

    Agentic-Ready Infrastructure: Designed with a modular architecture that allows for the future integration of RAG (Retrieval-Augmented Generation) tools, turning the portfolio into a searchable, intelligent archive of my technical knowledge.

    The Stack:
    Frontend: Flutter (Web), Dart.

    Backend: Supabase (Auth, DB, Storage).

    Interactivity: Custom Animations, YouTube API Integration.

    Architecture: Clean Architecture with a focus on English-standard naming conventions and audit-ready code.