I'm a Frontend Developer with over 6 years of commercial experiences. I develop with best practices in mind and adhere to W3C standards Not all browsers are the same, but I ensure any page I work on displays pixel-perfect with best performance in all the major browsers. I develop for maximum performance, compatibility and the world-class user-experience, across devices and form-factors.

Sajad Jafari

I'm a Frontend Developer with over 6 years of commercial experiences. I develop with best practices in mind and adhere to W3C standards Not all browsers are the same, but I ensure any page I work on displays pixel-perfect with best performance in all the major browsers. I develop for maximum performance, compatibility and the world-class user-experience, across devices and form-factors.

Available to hire

I’m a Frontend Developer with over 6 years of commercial experiences. I develop with best practices in mind and adhere to W3C standards Not all browsers are the same, but I ensure any page I work on displays pixel-perfect with best performance in all the major browsers. I develop for maximum performance, compatibility and the world-class user-experience, across devices and form-factors.

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Skills

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Experience Level

API
Expert
CSS
Expert
HTML5
Expert
JavaScript
Expert
JQuery
Expert
Node.js
Expert
React JS
Expert
WordPress
Expert
TypeScript
Expert
UI
Expert
Web Design
Expert
SEO
Expert
PHP
Beginner
AngularJS
Beginner
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Language

English
Advanced
Persian
Fluent

Education

Bachelor Degree, Computer Software Engineering at Azad University, Pardis Branch
January 1, 2014 - January 1, 2016
Associate's Degree, Computer Software Engineering at Mohajer university
January 1, 2012 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Gaming, Education, Media & Entertainment
    uniE613 Anetwork
    Developed UI components that enable developers to create new pages without needing to get involved in front-end development. Collaborated with design team refactor the dashboard into new design. Worked closely with design and marketing teams to develop and launch impactful 2D game marketing initiatives employing JavaScript and Canvas.
    uniE613 CoDeTech
    Developed an advanced decentralized video platform using React, TypeScript, JavaScript, WebRTC, WebGL, Sass/CSS, and Tailwind in collaboration with an elite team. Enhanced video conferencing reliability by dynamically adjusting camera and screen-sharing quality based on network conditions using WebRTC stats metrics. Reduced call drop rates, improved camera and screen-sharing quality by 65%, and reduced latency by 45%. Developed a new Studio feature using React, TypeScript, LegendApp, RxJS, WebGL, and Pixi.js. The feature integrates in-call participants' camera, screen-sharing, and audio into a multi-source video merger. Boosted video conferencing efficiency by implementing adaptive camera and screen-sharing quality adjustments according to participants' network conditions, leveraging audio/video tracks RTT – SFU-like - achieving a 30% reduction in latency.
    uniE613 SabaIdea (Aparat, Filimo)
    Revamped and refactored the entire project architecture twice using React, Redux, Redux-Saga, Sass, Styled Components, JavaScript, WebRTC, and TypeScript. This resulted in an 80% performance boost, a 75% increase in user engagement, and extended the average time on site by 90%. Executed comprehensive SEO audits and keyword optimization plans, driving Alexa site rank from 120 to drop under 50 in the first year, increasing organic traffic by 80%. Revamped video uploading process using JavaScript, React, and TypeScript to upload smaller chunks simultaneously, with the ability to resume uploads. Increased upload speeds by 60% and reduced upload fails by 80%. Collaborated with Product Managers and UX Designers, and delivered high-impact product designs that increased user engagement by 25%. Interviewed over 20 candidates and fostered the growth of junior front-end developers. Monitored Sentry for real-time issue tracking, fixing bugs immediately upon detection to enhance application reliability, resulting in a 90% decrease in crash reports and a 60% increase in user satisfaction.
    uniE613 Anetwork
    Developed UI components that enable developers to create new pages without needing to get involved in front-end development. Collaborated with design team refactor the dashboard into new design. Worked closely with design and marketing teams to develop and launch impactful 2D game marketing initiatives employing JavaScript and Canvas.
    uniE613 Jumbula
    Developed an online registration system for educational programs using JavaScript and Angular, resulting in a 30% increase in user sign-ups. Crafted custom WordPress websites to showcase client offerings, enhancing digital presence and user engagement by 40%. Created a drag-and-drop page builder that improved user efficiency in landing page creation by 50%. Designed a form builder for dynamic registration forms, reducing form creation time by 35%. Developed SVG animations utilizing JavaScript, increased website load speed by 20%.

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