Oscar Fabián Cristaldo Guzmán

Oscar Fabián Cristaldo Guzmán Email and Phone Number

Desarrollador de software @ OneHQ
Paraguay
Oscar Fabián Cristaldo Guzmán's Location
Paraguay, Paraguay
About Oscar Fabián Cristaldo Guzmán

With years of experience in software development, I've honed a specialty in Elixir and full-stack technologies, turning complex data systems into robust, scalable solutions. My career is marked by significant contributions to the finance and fintech sectors, where I've led key projects in payment system integration and mobile application optimization.Driven by continuous innovation and agile development, I have a proven track record of enhancing user experiences and operational efficiency through advanced tech solutions. Beyond my technical role, I actively contribute to the Elixir community, sharing insights and collaborating on open-source projects. My previous roles have not only sharpened my technical skills but also cultivated leadership abilities and complex problem-solving capabilities.I am constantly seeking new opportunities to leverage my Elixir and full-stack development expertise to drive business success and technological innovation.

Oscar Fabián Cristaldo Guzmán's Current Company Details
OneHQ

Onehq

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Desarrollador de software
Paraguay
Website:
onehq.com
Employees:
75
Oscar Fabián Cristaldo Guzmán Work Experience Details
  • Onehq
    Desarrollador De Software
    Onehq
    Paraguay
    View
  • Onehq
    Software Developer
    Onehq Nov 2021 - Present
    Specialized in transforming insurance customer data into OneHQ System formats, utilizing Elixir's robust capabilities including metaprogramming, GenStage, and GenServer, alongside Phoenix. Proficient in crafting scalable, event-driven backend architectures with GraphQL, and fortifying frontend interactions with React. Adept in employing Elixir for advanced features such as event bus implementations and rigorous testing protocols. Skilled in deploying applications with seamless OpenShift Kubernetes integration, demonstrating a comprehensive mastery of Elixir-centric development.
    View
  • Fintech Innovación S.A.
    Software Developer
    Fintech Innovación S.A. Jan 2021 - Nov 2021
    Asunción, Paraguay
    Led the enhancement of the Wally iOS app with Swift and Firebase, honing user experience and reliability. Advanced Wally Empresas' full-stack capabilities using Java and Angular, refining backend and frontend systems.
  • Pago Express
    Software Developer
    Pago Express Jan 2019 - Dec 2020
    Engineered Java EE and Oracle-powered payment system integrations with external APIs to expand transaction capabilities and payment diversity. Streamlined business intelligence by automating report generation with iReport and JasperReports Server, enhancing decision-making with superior data visualization.
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  • Cooperativa Universitaria Ltda.
    Software Developer
    Cooperativa Universitaria Ltda. Aug 2015 - Dec 2018
    Asunción, Paraguay
    Optimized Java 8 and Spring Boot-based RESTful services to boost system performance and interoperability, while leading Joomla-based website and plugin development, enhancing user engagement and streamlining administrative tasks. Innovated with Ionic Framework 2 for responsive front-end application development, ensuring a superior mobile experience. Successfully redesigned web banking interfaces with Materialize CSS and JavaScript, which contributed to a 30% uplift in customer satisfaction. Automated intricate Python-based business reporting processes, increasing both efficiency and precision. Ensured the reliability of queuing software through diligent Java maintenance, and managed financial software updates using Oracle 10g to uphold stringent compliance standards. Authored succinct VuePress technical documentation to expedite developer onboarding and knowledge dissemination.
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  • Cooperativa Universitaria Ltda.
    Information Technology Helpdesk
    Cooperativa Universitaria Ltda. Jan 2013 - Jul 2015
    Paraguay
    Delivered expert technical assistance and system support to over 700 employees, adeptly managing a spectrum of software and hardware issues through a robust internal tracking system. Authored and standardized internal procedures in line with quality management protocols, developed comprehensive training materials for staff onboarding, and conducted regular maintenance cycles for IT equipment. Additionally, I was responsible for troubleshooting and resolving complex network issues across LAN and WAN, while training and supervising new technical support staff.
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  • Embassy Of The United States
    Diplomatic Pouch And Mailroom Clerk
    Embassy Of The United States Nov 2012 - Dec 2012
    Asunción, Paraguay
    Sorted diplomatic pouches in compliance with rigorous security protocols, which provided an opportunity to enhance my English communication skills through regular interaction with customers.
  • Sun Valley Company
    Driver And Cleaner
    Sun Valley Company Dec 2011 - Apr 2012
    Sun Valley - Idaho - Estados Unidos
    Transported cleaning supplies and maintained resort cleanliness, a role which also served to refine my English language skills through practical application in a dynamic environment.
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  • Deer Valley Resort
    Cooks Helper
    Deer Valley Resort Dec 2010 - Apr 2011
    Park City - Utah - Estados Unidos
    Prepared a variety of salads and managed ingredient setup in a supervised, fun environment, further honing my English language skills in the culinary context.
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Oscar Fabián Cristaldo Guzmán Skills

Java Joomla Oracle Sql Developer Javascript Oracle Report Builder Oracle Forms Git Software Development Databases Bootstrap Cascading Style Sheets Html5 Spring Framework Postgresql Jboss Application Server Red Hat Linux Maven Spring Boot Angular Pl/sql Html Jquery Python Github Arduino Angular Material Kali Linux Hojas De Estilos En Cascada Nmap Metasploit Materialize Raspberry Pi

Oscar Fabián Cristaldo Guzmán Education Details

  • Learn-Elixir.Dev
    Learn-Elixir.Dev
    Elixir Programming
    View
  • Universidad Nacional De Asuncion
    Universidad Nacional De Asuncion
    Computer Systems Analysis
  • San Cristobal High School
    San Cristobal High School
    Social Science

Frequently Asked Questions about Oscar Fabián Cristaldo Guzmán

What company does Oscar Fabián Cristaldo Guzmán work for?

Oscar Fabián Cristaldo Guzmán works for Onehq

What is Oscar Fabián Cristaldo Guzmán's role at the current company?

Oscar Fabián Cristaldo Guzmán's current role is Desarrollador de software.

What schools did Oscar Fabián Cristaldo Guzmán attend?

Oscar Fabián Cristaldo Guzmán attended Learn-Elixir.dev, Universidad Nacional De Asuncion, San Cristobal High School.

What skills is Oscar Fabián Cristaldo Guzmán known for?

Oscar Fabián Cristaldo Guzmán has skills like Java, Joomla, Oracle Sql Developer, Javascript, Oracle Report Builder, Oracle Forms, Git, Software Development, Databases, Bootstrap, Cascading Style Sheets, Html5.

Who are Oscar Fabián Cristaldo Guzmán's colleagues?

Oscar Fabián Cristaldo Guzmán's colleagues are Cristina Cárdenas, Carlos Garay, Donato P., Esteban Sanchez, Marcos Raúl Aguilar Mena, Victor Alegre Berino, María Insfrán.

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