Shailesh Mankar

UI Developer with 15+ Years of Experience

About Me

Professional Summary

UI Developer with 15+ years of experience in front-end and web development, specializing in converting Figma and Adobe XD designs into responsive, pixel-perfect, and cross-browser-compatible interfaces using HTML5, CSS3, JavaScript, React.js, and Next.js. Strong expertise in building reusable UI components, scalable front-end architectures, and modern web interfaces with a focus on performance and maintainability.

Hands-on experience working extensively with React.js in recent projects, collaborating closely with JavaScript and backend teams to deliver production-ready UI systems and seamless user experiences.

Experienced in leading UI/CSS teams and contributing to large-scale web platforms, including fantasy gaming products and high-traffic sports media websites. Skilled in creating structured front-end foundations for dynamic applications and CMS-integrated platforms.

Focused on front-end engineering and implementation, with deep knowledge of responsive development, component-based architecture, and cross-browser compatibility.

Work Experience

Career Break — Full-time parenting (Jul 2025 – Present)
Taking a planned career break for childcare and family responsibilities while continuing to practice UI development, responsive design, and modern CSS frameworks (MUI, Tailwind, Bootstrap).
Key Projects during break:
www.codingkeeda.com — Modern Frontend & SEO Learning Platform
Jan 2026 – Present
ReactPHPNext.jsTailwind CSSJSONShared Hosting
- Built a custom hybrid frontend solution using React + PHP with server-side rendering concepts for improved SEO and performance.
- Designed and developed the platform mainly for research, experimentation, portfolio showcasing, and modern frontend skill improvement.
- Avoided heavy WordPress plugins and created a lightweight custom architecture optimized for low-budget shared hosting environments.
- Developed a fully custom admin panel to manage:
  - SEO meta tags, dynamic pages, menus, custom slugs, and navigation.
- Focused on performance optimization, clean UI structure, scalability, and SEO-friendly rendering strategies.
- Created reusable frontend components, animation demos, and modern CSS experiments for learning and educational purposes.
www.vasaivirar.org — Community Engagement Platform
Jan 2025 – Present
WordPress (Fully Custom)PHPJavaScriptAI-assisted Development
- Developed a fully customized WordPress-based local community platform without using pre-built themes or heavy plugins.
- Built with AI-assisted development workflows to speed up customization and experimentation.
- Created features focused on improving local community engagement, including:
  - Local info sharing, property listings, job search, and marketplace functionality.
- Customized the frontend and backend architecture to maintain flexibility, lightweight performance, and easy content management.
- Designed the platform to support user interaction, local discovery, and community-driven content.
Sportz Interactive, Mumbai (Contractual, June 27, 2024 – July 2025)
Key Projects: Sportz Playground, Fantasy Engine
Sportz Interactive, Mumbai (Full Time, Feb 2011 – June 27, 2024)
Websites: Developed and maintained official websites for IPL teams (CSK, MI, RCB, KKR, DC, GT, LSG, PBKS, RR, SRH), IPL Official Website, ISL, WPL, Pro Kabaddi, CPL teams (Barbados Royals, Trinbago Knight Riders), ILT20 teams (Abu Dhabi Knight Riders, Desert Vipers, Dubai Capitals, Gulf Giants), and MLC teams (LA Knight Riders, Seattle Orcas, Washington Freedom). Implemented responsive designs, interactive features.
Fantasy Games: Built UEFA Fantasy Game with real-time player statistics, team management, and live scoring features. Developed Fancode Fantasy platform with custom leaderboards, player transfers, and match predictions.
Interactive Games: Created Predictor game with live match predictions and user engagement features. Developed Wordle-style cricket word game with daily challenges and social sharing. Built Quiz games with dynamic content management and real-time scoring. Led the CSS team as Reporting Manager, implementing best practices and maintaining design consistency across all platforms.
Pigtails Pundits, Mumbai (Full Time, Jan 2008 – Feb 2011)
Developed websites using CMS platforms including Joomla, Drupal, and WordPress. Customized CSS designs and layouts. Handled end-to-end development from planning to deployment.