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$
USD
Khennier
@khennierov
Argentina
English, Spanish
About me
Hello! I'm Khennier Ovalles, a web developer and Data Science student with real experience building internal business systems.
Solutions using PHP, MySQL, HTML, CSS and JavaScript, including custom forms, admin panels, HR modules, audit systems, dashboards, e-commerce, PDF reports and email notifications.
Focus is helping small/medium business turn Excel sheets, paper forms and manual processes into simple, useful and organized web systems.
I can help you build tools for data collection, employee management, business operations, online forms, stock control, reports and process automation.
Skills
Khennier
Offline •
Average response time: 3 hours
See my services
Custom Websites
I will build a custom PHP mysql form with admin panel and email notification
Portfolio
Work experience
Full Stack Developer & Data Analyst
Dean Graziosi • Freelance
Jul 2017 - Present • 9 yrs
I am a Full Stack Developer and Data Analyst specialising in custom business systems, dashboards, workflow automation and AI-assisted development. I use modern AI tools to accelerate prototyping, improve development workflows and create efficient digital solutions. Every project is manually reviewed, customised, tested and adapted to the client's real business requirements. My experience includes Human Resources platforms, payroll dashboards, employee scheduling systems, operational audit tools, Excel automation, digital document workflows and business reporting. I work with PHP, MySQL, JavaScript, HTML, CSS and AI-assisted development tools to transform spreadsheets and manual processes into secure, responsive and user-friendly web applications.
