Esteban Cruz Silva

Senior Software Engineer at C1DO1
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Contact Information
us****@****om
(386) 825-5501
Location
Provincia de Talca, Maule Region, Chile, CL
Languages
  • English Full professional proficiency
  • Spanish Native or bilingual proficiency

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Credentials

  • Amazon Web Services Solutions Architect - Associate
    Amazon Web Services (AWS)
    Aug, 2023
    - Nov, 2024
  • Amazon Web Services Cloud Practitioner
    Amazon Web Services (AWS)
    Feb, 2022
    - Nov, 2024

Experience

  • C1DO1
    • Chile
    • E-Learning Providers
    • 1 - 100 Employee
    • Senior Software Engineer
      • Oct 2022 - Present

      • Implemented a comprehensive onboarding process for 1,200+ new users on an educational platform using React and RoR, increasing user engagement by 40%. • Developed a fully dynamic dashboard using React, Sass, Node, and PostgreSQL to display data for over 400 students. • Designed and executed over 50 integration tests for Apollo Server endpoints, achieving a 100% pass rate and ensuring seamless functionality for GraphQL queries and mutations. • Refactored and optimized 20+ SQL queries to Sequelize, improving performance by 35% and streamlining database operations. • Developed a dynamic, fully customizable tooltip component, integrating front-end, back-end, migrations, seeds, models, and Amazon S3 storage. Adopted in 50+ web pages, enhancing user experience by 25%. Show less

  • Usercode
    • Chile
    • Software Development
    • 1 - 100 Employee
    • Full Stack Developer
      • Aug 2020 - Sep 2022

      • Developed the full-stack platform for streaming to 50 students, managing data, reporting, and statistics using React, Node, OBS Studio, Facebook API, and AWS Lambda for end-to-end event-driven processing. • Integrated a payment API to handle 5,000 monthly transactions, reducing payment processing time from 5 days to real-time. • Established automated email sending notifications for 100 clients daily, adding an email template integrating SendGrid API. • Implemented a complete quotation and warehouse module for a hardware store, reducing the customer's time by 50%. • Performed rigorous testing to locate browser defects, improving user experience across all supported web browsers by 35%. • Built unit tests using Jest that maintained over 90% code coverage of the entire application. Show less

  • Spielup SpA
    • Santiago, Santiago Metropolitan Region, Chile
    • Project Manager
      • Feb 2019 - Jul 2020

      • Introduced agile principles to the software team using Monday resulting in predictable schedules where high-value issues are included in quality releases for internal stakeholders. • Revised the definition of Done criteria for the fronted team, improving development effectiveness by 25%. • Streamlined roadmap creation for projects by establishing a risk-based approach and consensus with leadership. • Managed multiple projects concurrently, providing solutions to technical problems about the client's requirements. • Helped to break down large features into smaller user stories, which enabled developers to estimate tasks with higher granularity and deliver 20% efficiently on time for each sprint. Show less

  • Universidad de Talca
    • Chile
    • Higher Education
    • 700 & Above Employee
    • Software Engineer
      • Jan 2014 - Dec 2017

      • Implemented Machine Learning with Java to predict the desertion of 10.000 students monthly, representing each student’s KPIs on a website, which helped to increase student retention by 25%. • Created a statistics dashboard with HTML, CSS, Javascript, PHP, API Rest, and MySQL for displaying attendance records of 200 students daily, by integrating a fingerprint scanner, reducing the time checking for teacher's assistants by 80%. • Developed a collaborative real-time editor in Javascript, allowing a professor to work with 30 students simultaneously. • Built a high-resolution image processing interface for microscopic pathology samples with PHP, which allowed visualizing images bigger than 1GB and inserting annotations inside. Show less

  • Instituto Nacional del Tórax
    • Chile
    • Medical Equipment Manufacturing
    • 100 - 200 Employee
    • Asesor de la Subdirección de Operaciones
      • Mar 2013 - Dec 2013

      • Planned and managed $3MM projects through over 40 public biddings for medical equipment and IT services. • Planned and managed $3MM projects through over 40 public biddings for medical equipment and IT services.

Education

  • Universidad de Talca
    Master of Business Administration - MBA, Summa Cum Laude
    2016 - 2018
  • Universidad de Talca
    Ingeniero Civil en Computación, Summa Cum Laude
    2006 - 2013
  • Technische Universität Dresden
    Academic Internship
    2010 - 2011

Community

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