Diana Mercedes Páez Barbosa

Diana Mercedes Páez Barbosa

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Mobile Developer (Flutter / iOS)
Departamento de Boyaca, Colombia

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Open to unpaid internships
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Résumé


Jobs verified_user 15% verified
  • S
    Flutter Mobile Developer public Remote experience
    STEAM Hub México
    Dec 2024 - Current (6 months)
    I contribute to Flutter app development by implementing and laying out designer‑provided interfaces with custom widgets, applying SOLID principles, Clean Architecture, and the BLoC pattern, while integrating REST APIs and Firebase services to deliver robust, scalable solutions.
  • F
    Mobile Developer (Flutter/ iOS ) public Remote experience
    Freelancer
    Jan 2024 - Nov 2024 (11 months)
    As a Freelance Flutter Developer, I built an app that leverages Google ML Kit to let patients scan the barcode on their lab order and receive results in ≤ 15 seconds. The solution reduced errors, cut retrieval time from 2 minutes to 15 seconds, and boosted user satisfaction by radically streamlining the experience. - Flutter (Dart) – cross-platform development - Google ML Kit - Barcode Scanning - Text Recognition V2 - flutter_pdfview – in-app PDF viewing - Dio – REST API integration and robust error handling - Device camera – automatic barcode capture - Clean Architecture - SOLID principles - BLoC
  • D
    Mobile Developer (Flutter / iOS) verified_user Verified experience public Remote experience
    Digital Sappiens
    May 2021 - Dec 2024 (3 years 8 months)
    Flutter & iOS Developer with 3 years of experience building intuitive, high‑performance mobile apps. Proficient in Dart / Flutter and Swift, passionate about delivering attractive, functional user interfaces. Committed to clean code, teamwork, and continuous innovation that exceeds user expectations. - Cross‑platform mobile development with Flutter & Dart. - Native iOS development with Swift when platform‑specific features are required. - UI/UX design and implementation of engaging, user‑centric interfaces. - Performance tuning and resource optimization for mobile applications. - Application of best practices (Clean Architecture, BLoC/MVVM) to produce maintainable, testable code. - Collaboration with multidisciplinary teams to define, desi
  • C
    Ingeniera Agrónoma proyecto Colcafé
    Condor Specialty Coffee S.A.S.
    Mar 2019 - Apr 2020 (1 year 2 months)
    Mejoramiento de la Sostenibilidad de 150 familias caficultoras de los municipios de Oiba y Confines en Santander a través de la implementación de estrategias enfocadas en la productividad y el manejo adecuado de subproductos del beneficio del café.
  • Federación Nacional de Cafeteros de Colombia
    Actualizadora Sistema de Información de la Federación Nacional de Cafeteros (SICA)
    Federación Nacional de Cafeteros de Colombia
    Feb 2016 - Dec 2016 (11 months)
  • Federación Nacional de Cafeteros de Colombia
    Actualizadora Sistema de Información de la Federación Nacional de Cafeteros (SICA)
    Federación Nacional de Cafeteros de Colombia
    Oct 2015 - Dec 2016 (1 year 3 months)
  • Federación Nacional de Cafeteros de Colombia
    Extensionista
    Federación Nacional de Cafeteros de Colombia
    Jul 2014 - Jul 2015 (1 year 1 month)
    Como extensionista en la Federación de Cafeteros, fui responsable de brindar asistencia técnica, transferencia de tecnología y capacitación a los caficultores. Esto incluyó ayudar a los agricultores a mejorar sus prácticas de cultivo, cosecha y procesamiento.
Education verified_user 0% verified
  • Platzi
    Curso de GitHub Actions public Remote experience
    Platzi
    Sep 2023 - Oct 2023 (2 months)
  • Platzi
    Curso de Pensamiento Lógico: Algoritmos y Diagramas de Flujo
    Platzi
    Oct 2022 - Nov 2022 (2 months)
  • Platzi
    Apple Full Stack
    Platzi
    Aug 2022 - Dec 2022 (5 months)
  • Platzi
    Curso de Kotlin desde Cero public Remote experience
    Platzi
    Feb 2022 - Apr 2022 (3 months)
  • Platzi
    Curso Profesional de Git Y GitHub public Remote experience
    Platzi
    May 2021 - Jun 2021 (2 months)
  • Universidad Pedagógica y Tecnológica de Colombia
    Ingeniera Agrónoma
    Universidad Pedagógica y Tecnológica de Colombia
    Jul 2011 - Aug 2016 (5 years 2 months)
Projects verified_user 17% verified
  • D
    Body Fat Calculator Expert (Cross-platform Dart-Flutter) public Remote experience
    Digital Sappiens
    Jul 2023 - Oct 2023 (4 months)
    I participated in the development of Body Fat Calculator Expert, a cross‑platform app that lets users calculate their body‑fat percentage and benchmark it against WHO, SEEDO, and ACE standards, presenting the results through personalized charts. - Implemented Clean Architecture and the BLoC pattern, delivering a maintainable. - Added personalized charts to visualize body‑fat metrics and benchmark results against WHO, SEEDO, and ACE standards. - Collaborated via Git/GitHub branching, pull‑requests, code reviews.
  • D
    Body Fat Calculator Expert (Native iOS) public Remote experience
    Digital Sappiens
    Feb 2023 - Current (2 years 4 months)
    Contributed to the development of a native iOS health‑tracking app that calculates body‑fat percentage and benchmarks results against standards from the WHO, SEEDO, and ACE. - Built UI components in Swift & SwiftUI, following a clean MVVM architecture and OOP best practices for scalable, testable code. - Added personalized charts that clearly display body‑fat metrics and goals. - Integrated in‑app payments (StoreKit ) to unlock premium features securely and seamlessly. - Enhanced App Store Optimization (ASO) by preparing keywords, screenshots, and in‑app events to boost visibility and retention.
  • D
    Healthy BMI Tracker Pro (Cross-platform Dart-Flutter) public Remote experience
    Digital Sappiens
    Feb 2023 - Current (2 years 4 months)
    I contributed to Healthy BMI Tracker Pro, a cross‑platform health app that lets users calculate BMI and body‑fat percentage, benchmarking results against WHO, SEEDO, and ACE standards. - Clean Architecture + BLoC: Structured layers and predictable state management for maintainable, testable code. - Personalized charts: Clear visualizations of BMI and body‑fat trends for each user. -Collaborative workflow, thorough testing, and dependable  Play Store releases.
  • H
    Healthy BMI Tracker Pro (Native iOS) public Remote experience
    Jan 2023 - Current (2 years 5 months)
    Contributed to a native iOS health‑tracking app that calculates users’ BMI and benchmarks it against standards from the WHO, SEEDO, and ACE. - Implemented personalized progress charts in Swift/SwiftUI using an MVVM architecture and SOLID principles. - Collaborated via Git/GitHub (PRs, code reviews) within an agile workflow. - Integrated in‑app payments with StoreKit (subscriptions and one‑time purchases)
  • D
    CalDig: Digital Calculator verified_user Verified experience public Remote experience
    Digital Sappiens
    Apr 2022 - Jan 2023 (10 months)
    Contributed to the development of a lightweight dual‑mode calculator (basic & scientific) in Flutter, designed as a reference tool for students and professionals. - Designed a lean architecture and adaptive UI, ensuring fast performance on mid‑range devices. - Implemented advanced functions (trigonometry, logarithms, factorials) and an operation history for quick recall. - Coordinated the end‑to‑end Google Play release process.
  • D
    Track weight & lose body fat! public Remote experience
    Digital Sappiens
    May 2021 - Jul 2022 (1 year 3 months)
    Contributed to the development of a Flutter application aimed at improving users’ understanding of their nutritional status, based on scientifically validated data. - Implemented custom UI components using Flutter and integrated Firebase services (Auth, Firestore) along with RevenueCat for subscription management. - Participated in the design and development of core features, including: - Daily weight tracking - Automatic calculation of: Body Mass Index (BMI) Body fat percentage Waist-to-height ratio Basal energy requirements (kcal) and macronutrient distribution (gr)