Results-driven Frontend Engineer and CRO Specialist with 15+ years of experience designing, developing, and optimizing high-converting web experiences. Expert in client side A/B testing, personalization, and behavioral analytics, with a proven record of improving UX and business KPIs for over 200 global brands.
Core Competencies and Skills
- Frontend Engineering: JavaScript, TypeScript, React, Next.js, HTML5, CSS3, Web Components
- Experimentation & CRO: A/B & multivariate testing, feature experimentation, personalization, hypothesis design, statistical analysis
- UX & Design: Responsive Web Design, Figma, Design Systems, WCAG Accessibility, UI/UX collaboration
- Data & Analytics: Experiment design, tracking, QA, and validation with analytics tools: GA, Mixpanel, Segment
- Leadership: Technical mentorship, cross functional collaboration, process automation, tool development
Technologies
- Languages & Frameworks: JavaScript ES6+, Node.js, Deno, PHP, HTML5, CSS3
- Experimentation Platforms: Kameleoon, Convert, VWO, Google Optimize, Optimizely, AB Tasty
- Design & UX Tools: Figma, Sketch, Adobe CC: Photoshop, Illustrator, InDesign
- Analytics & Tag Management: Google Analytics 4, Google Tag Manager, Segment, Hotjar
- Development Tools: Git, Webpack, Deno, custom JavaScript bundlers
- CMS & Backend: WordPress, Joomla, Ruby on Rails
- Project Management: Trello, Redmine
Experience
Senior Technical Account Manager @ Kameleoon
July 2024 – January 2026
- Lead technical training sessions for client side A/B testing, server side experimentation, and APIs
- Act as a technical liaison between customers and developers at all stages of the account lifecycle
- Develop custom JavaScript based A/B test designs for advanced applications
- Review, advise, troubleshoot, and fix issues with customer code
Senior Frontend Developer and Technical Manager @ Conversion Rate Experts
February 2019 – May 2024
- Led development of 1500+ A/B tests for 120+ brands using client side JavaScript, enhancing website performance, sales, and user engagement
- Created and improved tooling, including JavaScript bundlers, CSS preprocessors and polyfills, web components, and browser extensions, significantly enhancing development and debugging workflows
- Collaborated closely with researchers, test designers, and ecommerce clients to strategize and implement effective conversion rate optimization techniques
UI/UX Designer @ Real Freedom Inc
January 2013 – November 2018
- Led UI/UX design and frontend development of realestatemogul.com, focusing on applying responsive web design principles
- Developed and launched 12+ responsive websites, ensuring optimal user experience across various devices
- Created and refined A/B testing pages and developed several command line and browser based tools to enhance developer experience
(Additional experience available upon request)
Education
Graphic Design Program @ St. Lawrence College
2006 – 2009
- Earned an Ontario College Advanced Diploma
Achievements
- Developed 40+ open-source frontend plugins, including EQCSS, with 5000+ monthly downloads, enhancing developer tooling for responsive and conditional CSS
- Published educational content, code demos, and video tutorials viewed by thousands of developers worldwide
- Delivered talks at tech events, Caffeinated Style Sheets at FITC Web Unleashed, The Edge of CSS at DublinCSS