Hi, I am Jonathan Rendón
Self-taught Engineer with over 18 years of full-stack experience across multiple industries. Specialized in React, Angular, Java, TypeScript, Node, and SQL. Reliable team player who takes initiative and prioritizes clean code.
About Me
Engineering background, architectural principles, and career impact metrics.
Engineering Philosophy & Trajectory
I'm a self-taught Full Stack Engineer with over 18 years of experience building scalable web applications across the insurance, media, and tech industries. I've led engineering teams, architected microservices platforms, and delivered clean, performant products from design through deployment. Currently working at ESPN+ (ToolBox), I combine deep backend expertise — Java, Oracle PL/SQL, Node.js — with modern frontend skills in React and Next.js.
Microservices & Frontend
Architecting scalable React & Next.js micro-frontends.
High-Throughput Backends
Multithreaded Java Spring Boot and Node.js engines.
Technical Leadership
Led squads of 4+ engineers with rigorous QA/CI.
Micro-Frontend Layer
Enterprise Core & APIs
Oracle & Data Engine
AI & Automation Acceleration
Work Experience
Chronological track record of engineering leadership, enterprise migrations, and high-concurrency systems.
ESPN+ (ToolBox)
- Migration of applications developed in previous technologies to a newly developed internal framework.
- Built React frontend features, UI components, and GitHub libraries focused on microservices architecture.
- Led a team of 4 engineers to reach deliverables, mentored junior developers, and conducted code reviews.
- Collaborated cross-functionally with stakeholders in an Agile environment.
Tecnova (Freelance)
- Evaluated and redesigned the existing Global Portal Product utilizing React, Java, and Material UI.
- Built React frontend features and UI components in GitHub with a microservices architecture that increased efficiency by 30%.
- Developed a multithreaded and scalable product for real-time incident report processing.
- Led a team of 4 engineers, mentored staff, and conducted code reviews.
- Collaborated cross-functionally with stakeholders in an Agile environment.
Algoritmia
- 100% migration of web portals from jQuery and Java to React and Node.js.
- Designed, developed, and implemented web portals using jQuery, Bootstrap, Java, and Oracle.
- Technical Team Lead for support and development of new processes for insurance company portals.
Planinsa
- Developed new modules and provided support for the web portal using PHP and Oracle, improving response time by 70%.
- Migrated 100% of the web portal to the Laravel framework.
- Developed new modules in Oracle Forms and designed Oracle Reports for Acsel X.
Ibsoft
- Designed and implemented 100% of web portals for Seguros Banesco, Seguros AIG, and Seguros Los Andes.
Skills & Technologies
Comprehensive toolset and core competencies built and refined over 18+ years in enterprise production.
Projects
A selection of products I've built or contributed to.
Portal 360 Seguros Pirámide
Full insurance web portal built with React, Node.js, and Oracle. 100% migration from legacy jQuery/Java system.
Portal Web Universitas
Complete insurance web portal for Seguros Universitas built with jQuery, Bootstrap, and Java.
Enfermedades Profesionales — Mutual de Seguridad
Evaluated and redesigned the Global Portal Product. Built React frontend with microservices architecture, increasing efficiency by 30%.
Education
Formal computer science foundation and enterprise technology certifications.
IUTECP — Instituto Universitario de Tecnología Elías Calixto Pompa
IBM
Contact
Have a project in mind or want to chat? Reach out!