Sanel Osmanovic, Developer in Jacksonville, FL, United States
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Sanel Osmanovic

Bio

Sanel is a software engineer with 8+ years of experience building modern, enterprise web apps. He specializes in front-end development with React, creating intuitive, high-performance user interfaces. Sanel also has deep expertise in JavaScript and UI architecture, with a strong focus on scalable, user-centered design.

Portfolio

Availity
JavaScript, React, HTML, CSS, Bootstrap, Tailwind UI, Java, Node.js, Jenkins...

Experience

  • APIs - 10 years
  • HTML - 10 years
  • CSS - 10 years
  • React - 9 years
  • JavaScript - 9 years
  • Node.js - 5 years
  • TypeScript - 3 years
  • Tailwind UI - 2 years

Preferred Environment

MacOS, Visual Studio Code (VS Code), Chrome

The most amazing...

...application I've developed helped reduce load speeds by over 95% while providing a modern, easy to use UI for users to search data.

Work Experience

Software Engineer IV

2017 - PRESENT
Availity
  • Reduced load times by over 90% after leading the development of a high-performance application, delivering a modern, user-friendly interface for efficient data search and exploration.
  • Provided mentorship and technical guidance to junior engineers, contributing to their growth into high-performing team members with strong engineering fundamentals.
  • Architected, implemented, and maintained multiple consumer-facing applications, ensuring scalability, performance, and seamless user experience across platforms.
Technologies: JavaScript, React, HTML, CSS, Bootstrap, Tailwind UI, Java, Node.js, Jenkins, Express.js, TypeScript, Web Development, Redux, Webpack, User Experience (UX), User Interface (UI), Responsive Web Design (RWD), Front-end, Cursor AI, Next.js, REST APIs, E-learning, PostgreSQL

Experience

Payer List UI

I served as the front-end lead developer on a consumer-facing web application, where I architected and built the app from the ground up. I collaborated closely with the design team to bring their vision to life, ensuring pixel-perfect implementation and a seamless user experience.

Through performance optimizations, I reduced page load times by over 90%. I also contributed feature enhancements, suggested UX improvements, and maintained the application post-launch to ensure ongoing stability and performance.

Skills

Libraries/APIs

React, REST APIs, Node.js

Tools

Webpack, Jenkins

Languages

JavaScript, HTML, CSS, TypeScript, Java, ECMAScript (ES6)

Frameworks

Chrome, Bootstrap, Next.js, Express.js, Redux

Paradigms

Responsive Web Design (RWD)

Platforms

MacOS, Visual Studio Code (VS Code)

Industry Expertise

E-learning

Storage

PostgreSQL

Other

Web Development, User Experience (UX), User Interface (UI), Front-end, Tailwind UI, APIs, Cursor AI

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