Senior Front-End Engineer, Web Experimentation & AI

Jobber; Toronto; On-site; CAD 121,000 - 164,000; Full time

Benefits offered by this job

Equity rewards

Health stipend

Retirement matching

Health insurance

Job summary

Jobber in Toronto (Canada) is seeking a Senior Front-End Developer, Web Experimentation, to join our Web Strategy team. The role focuses on high-velocity A/B testing and advancing our Next.js, Sanity, React, and WordPress stack to drive conversion and SEO.

You will mentor other developers, shape standards for AI-assisted development, and partner with CRO, data analysts, and designers to deliver scalable, accessible experiences across getjobber.com.

Qualifications

• Deep front-end expertise in HTML, CSS, JavaScript/TypeScript, accessibility, and performance.
• Proven web experimentation and CRO experience with complex A/B tests.
• Experience with web experimentation platforms and analytics tools.
• Strong Jamstack and modern front-end stack knowledge.
• Experience with headless Sanity and WordPress/Twig CMS.
• Hands-on AI-assisted development experience.

Responsibilities

• Build on a modern front-end stack with Next.js, Sanity, React, and WordPress.
• Contribute to and extend the shared component library and design system.
• Own performance and accessibility as first-class requirements.
• Integrate APIs across headless and traditional CMS architectures.
• Write well-tested, scalable, organized code and lead by example.
• Mentor teammates and collaborate on technical standards.

Skills

Front-end development

Web experimentation

Next.js

React

TypeScript

Sanity/WordPress CMS

PHP/Twig

Performance & accessibility

AI-assisted development

Tools

Kameleoon

Optimizely

VWO

LaunchDarkly

Job description

Jobber in Toronto (Canada) is seeking a Senior Front-End Developer, Web Experimentation, to join our Web Strategy team. The role focuses on high-velocity A/B testing and advancing our Next.js, Sanity, React, and WordPress stack to drive conversion and SEO.

You will mentor other developers, shape standards for AI-assisted development, and partner with CRO, data analysts, and designers to deliver scalable, accessible experiences across getjobber.com.