Stiven Diaz
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Stiven Diaz

Stiven Diaz  new_releases

About

Detail

Software Developer
Bogota D.C., Colombia
Contact Stiven regarding: 
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Full-time jobs
Starting at USD2.5K/month

Timeline

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Job
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Project (professional or personal)

Résumé

Jobs verified_user 29% verified
  • Singular Agency
    Fullstack Flutter developer
    Singular Agency
    May 2025 - Current (3 months)
    Colaboré en el desarrollo de una aplicación móvil basada en Flutter, utilizando Riverpod como gestión de estado. • Desarrollé una plataforma que permite a los centros de contacto automatizar flujos de trabajo de llamadas y SMS a través de la API de Twilio y gen-AI con modelos de Text-to-Speech (Eleven Labs), utilizando Supabase como base de datos. • Además, implementé características relacionadas con la aplicación utilizando SQLite, lo que mejoró la gestión de datos y la eficiencia en el rendimiento de la aplicación.
  • P
    Sr. Frontend Engineer
    PlayGreen
    Jan 2022 - Current (3 years 7 months)
    Designed and developed the web application frontend using React JS and TypeScript, ensuring a responsive and user-friendly interface. Managed data from Firebase and PostgreSQL, optimizing data retrieval and storage processes. Utilized Agile methodology as a working framework to enhance project efficiency and adaptability. Applied unit testing with Jest to ensure code quality and reliability. Supported my frontend team by proposing solutions to stakeholders, addressing requirements and implementing hotfixes. Additionally, engaged in CI/CD practices by overseeing GitHub actions and GitLab pipelines, which facilitated seamless integration and deployment processes, while fostering effective teamwork to achieve project goals. Furthermore, conduc
  • THT – The Talent System
    FULL-STACK DEVELOPER public Remote experience
    THT – The Talent System
    Aug 2021 - Dec 2021 (5 months)
    As a Full-Stack Developer, I was responsible for developing the BrainHunter App from scratch, which focused on optimizing human resource management. I utilized the Aurelia JS framework with TypeScript for frontend development, ensuring a responsive and user-friendly interface. For backend development, I employed .NET CORE and PostgreSQL as the database, creating a robust and scalable architecture. Additionally, I implemented API testing to ensure the seamless integration of microservices consumed by the frontend, which was crucial for maintaining the app's functionality and performance. Furthermore, I adhered to strict Git practices to ensure task traceability linked with an Azure module, allowing for a direct connection between each commit
  • H
    Flutter de developer | part-time verified_user Verified experience public Remote experience
    Hangi
    Jul 2021 - Jan 2022 (7 months)
    Designed and developed interfaces in Flutter, ensuring a seamless user experience. Built models and classes using BLoC architecture to enhance application performance and maintainability. Implemented HTTP APIs to facilitate data communication between the app and backend services. Additionally, collaborated effectively with a lead developer in Flutter, utilizing teamwork skills to distribute tasks during sprints, which contributed to the overall efficiency and success of the project.
  • Woombat Consulting Group SAS
    Junior Analyst verified_user Verified experience
    Woombat Consulting Group SAS
    Oct 2020 - Jan 2021 (4 months)
    - Engaged in software development for data processing using SCALA, while also supporting and administering backend infrastructure for an ETL system based on Cloudera Manager. - As a freelancer, collaborated on a project in the financial sector aimed at enhancing data input through a web interface developed in React.js. - Demonstrated teamwork skills by working closely with a data team to orchestrate various web services that effectively interacted with the ETL, ensuring seamless data flow and integration. - Utilized Python to develop ETL pipelines, enhancing the overall data processing efficiency and contributing to the robustness of the backend infrastructure. Additionally, employed Agile methodologies to facilitate effective meetings,
  • R
    CTO - Head of engineering | part-time public Remote experience
    RifaYa app
    May 2020 - Current (5 years 3 months)
    As the CTO and Head of Engineering (part-time), I was responsible for designing and developing the architecture for both web (React JS) and mobile applications (Flutter - Kotlin). This included the integration of various services from Firebase, as well as implementing Google Analytics for event tracking and general app usage statistics. I also integrated Google AdMob and Google Payments to facilitate monetization of the applications. Additionally, I led the deployment processes on the Play Store, App Store, and web hosting. Furthermore, I utilized API testing to ensure seamless communication between the application and the database, which was crucial for the overall functionality. The development of one of RifaYa's applications for the web
  • I
    Project Engineer
    Ingetes S.A.S.
    Nov 2019 - Oct 2020 (1 year)
    - Design, development and implementation of automation solutions and software integration for the industry.
Education verified_user 0% verified
  • Universidad Militar Nueva Granda
    Mechatronics Engineer
    Universidad Militar Nueva Granda
    Jan 2014 - Nov 2019 (5 years 11 months)
Projects (professional or personal) verified_user 34% verified
  • A
    AICareerCanvas
    Mar 2025 - Current (5 months)
    AICareerCanvas is a practical and scalable solution for those facing the challenge of personalizing their CV and cover letter for every job or academic application. The app uses generative artificial intelligence to analyze job descriptions and candidate profiles, generate personalized documents, and offer detailed compatibility reports. Key Responsibilities: - Frontend design and development with Flutter (iOS and Android). - Backend implementation in Python (FastAPI) with LangChain integration for generative AI flows. - Infrastructure deployment on AWS (Lambda, S3, API Gateway). - User flow design, semantic analysis logic, and content generation. - Performance and mobile experience optimization, with multilingual support (ES/EN/PT). - In
  • Y
    Younnger app public Remote experience
    Jul 2023 - Aug 2024 (1 year 2 months)
    Directed the development and planning of web applications, including both User and Admin Panels. Integrated various services from Supabase, connecting to Calendly APIs and AWS Lambdas. Responsible for the design and development of the entire admin and user panel, ensuring a seamless user experience. Deployed frontend services on Microsoft Azure, leveraging best practices for performance and reliability. Additionally, utilized TypeScript to enhance code quality and maintainability, while applying solid UX/UI principles to create intuitive interfaces. Employed Git for version control, following Gitflow methodologies to manage feature development effectively across the project. Furthermore, developed an AI-driven chatbot with a human-in-the-lo
  • W
    Wagen verified_user Verified experience
    Sep 2021 - Nov 2023 (2 years 3 months)
    Executed the entire roadmap for a mobile app focused on vehicle management (Wagen - currently discontinued), which included features such as notifications for license expirations, traffic fines, expense tracking, a virtual wallet for transit documents, and mobility restrictions. Additionally, developed a platform for automated data ingestion (RPA) from public databases. Throughout this project, I emphasized teamwork by maintaining continuous communication with various stakeholders, including clients and the operations team, to ensure alignment and successful implementation of the management application and operational automation. Furthermore, I incorporated UX/UI principles by designing system elements that enhanced the app's aesthetics and