Esteban L. Calero
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Full stack Developer Reactjs & Python (Django) & Project Manager
Ciudad López Mateos, State of Mexico, Mexico
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Résumé
Jobs
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- JSoftware Architect & Innovation LeaderJotPotJun 2022 - Dec 2024 (2 years 7 months)• Architecture Design: Implemented a scalable hybrid architecture combining a DRF monolith with Flask microservices in containers. Applied Agile methodologies, CI/CD pipelines, automated testing, and container orchestration with Scrum practices. • Project Leadership: Directed the team in implementing innovative solutions, enhancing project efficiency. • AI Integration: Designed and integrated AI tools using APIs like ChatGPT and Bard, improving user experience personalization by 25%. • Product Design Participation: Defined requirements, prototyped, and validated UX/UI functionalities, key functionalities and innovative functionalities, optimizing user experience and meeting technical and business standards • Backend: iPython shell, MVC
- BDesarrollador Full Stack e InnovaciónBitline MéxicoOct 2018 - Jun 2022 (3 years 9 months)• Full Stack Development: Led web application development using ReactJS and Django, DRF, PostgreSQL, reducing delivery times by 15% and improving code quality through automated testing with Cypress and PyTest. • Complex Integrations: Implemented efficient integrations with Netsuite, WhatsApp, Twilio, Facturama, Zendesk, AWS, GCP, ZenSerp, MailChimp, and Shopify, decreasing the time required to roll out new features by 20%. • Database Optimization: Designed and optimized PostgreSQL database architecture, reducing query times by 30% through the creation of views and stored procedures • Backend: iPython shell, MVC with Django & DRF Apis, Middlwares, Chatbots, Cursor connections to DB, Pandas, Mailchimp, Twilio, SMS & Whatsapp, JWToken, S3
- SDesarrollador Full StackSage-Wise Learning Institute S. C.Jun 2010 - Oct 2018 (8 years 5 months)• Full Stack Development: Created innovative software solutions using PHP, CSS3, MySQL, MongoDB, and JQuery. • Product Design Participation: Collaborated in product design by defining requirements, prototyping, and validating functionalities.
- FFull Stack DeveloperFillGap (Windows Partner)Jan 2010 - Jun 2010 (6 months)• Developed customizations for Solomon Dynamics using Visual Basic and TypeScript. - Created reporting tools with PHP, SQL, HTML, and CSS3
- TProject Manager & Full Stack DeveloperTultitlán Gov. Municipality|Aug 2005 - Dec 2009 (4 years 5 months)• Developed administrative and process automation systems using PHP, MySQL/MariaDB, JQuery and JavaScript. • Led university service teams to build solutions as part of their graduation projects. • Collaborated in product design, defining and validating requirements
Education
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- NBachelor's in InformaticsNational Autonomous University of Mexico (UNAM)Jan 2004 - Jan 2009 (5 years 1 month)
Projects (professional or personal)
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- MMiddleware for NetsuiteDeveloped middleware responsible for keeping both platforms updated in real time, managing a sales cart, local sales, and inventory in a synchronized manner. At the beginning of the pandemic, Exa Radio needed to design a contactless access system. I designed the architecture of a system that sent QR codes for access, which were scanned by security personnel. The project was a success, and this solution is now widely used! Together with cadena.ngo, I developed a chatbot during the pandemic that contacted people via chat or phone to provide medical and/or psychological counseling. The project was a great success I was responsible for launching and leading the innovation development department within my team. This was my first project as a Pro
- CContactless Access System
- CCadena Chatbot