Senior Front-End Developer, Web Experimentation

Jobber

. Build production features across Next.js, Sanity, React, and TypeScript .

Posted 9/18/2026full-timeEdmonton • CanadaSenior💰 CA$121,000 - CA$163,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building production features using Next.js, React, TypeScript, and WordPress, while ensuring web performance, accessibility, and adherence to technical standards. Proven ability to lead A/B testing initiatives and mentor front-end developers within a collaborative environment.

Highest-signal resume keywords

Next.js MasteryReact DevelopmentTypeScript ProficiencyA/B Testing ExperienceTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

HTMLCSSJavaScriptTypeScriptWeb PerformanceAccessibilityA/B TestingComponent Library MaintenanceHeadless CMSPHP

Soft Skills

Strong CommunicationCollaborationAdaptabilityProblem-SolvingMentoring

Tools & Technologies

SanityWordPressTwigAI Coding ToolsKameleoonOptimizelyVWOLaunchDarklyAmplitudeGA4

Industry Keywords

Web ExperimentationDesign SystemConversion OptimizationSEOPerformance Rendering

Tech Stack

Tools & technologies

JavaScriptNext.jsPHPReactTypeScriptWordPress

About the role

Key responsibilities & impact

Build production features across Next.js, Sanity, React, and TypeScript
Support and enhance the headful WordPress, PHP, and Twig environment across getjobber.com
Contribute to and extend the shared component library and design system
Own Core Web Vitals, accessibility, semantic markup, and resilient page performance
Integrate APIs and structured content in Sanity and maintain Twig-templated WordPress components
Write scalable, well-tested, well-organized code and drive engineering practices through code review
Collaborate with developers on technical practices and project decisions
Use AI coding tools, agents, MCP integrations, prompts, and automated workflows
Define and benchmark team standards for AI-assisted development
Architect and execute A/B and multivariate experiments across marketing flows
Partner with CRO leads and data analysts on statistically sound, performant test variants
Improve experimentation velocity, minimize flicker, ensure rendering accuracy, and reduce time to market
Support SEO, LLM, and AI-search initiatives through structured data, performance, and rendering foundations
Set technical patterns and direction
Mentor and coach front-end developers
Partner with the Engineering Manager on technical standards, code quality, and architecture
Improve the stack, tooling, processes, and team documentation

Requirements

What you’ll need

Expert command of HTML, CSS, JavaScript/TypeScript, accessibility, and web performance
Several years building production applications
Hands-on experience architecting and shipping complex A/B, multivariate, and personalized web experiments with measurable conversion outcomes
Experience with web experimentation and feature flag platforms such as Kameleoon, Optimizely, VWO, or LaunchDarkly
Experience with product analytics tools such as Amplitude or GA4
Mastery of Next.js, React, TypeScript, and modern rendering strategies
Experience working within a design system or maintaining a shared component library
Experience modeling content in headless CMS platforms such as Sanity or Contentful
Hands-on proficiency in traditional WordPress, PHP, and Twig templates
Active day-to-day use of AI coding tools and a responsible approach to AI-assisted development
Growth and experimentation mindset
Technical leadership and mentoring experience
Strong communication and collaboration skills
Ability to adapt, prioritize amid ambiguity, and break complex problems into shippable pieces
Back-end familiarity is nice to have
Experience collaborating with designers in Figma is nice to have
Must be based in Edmonton, Toronto, Vancouver, or Kitchener-Waterloo
Must be legally entitled to work in Canada

Benefits

Comp & perks

Equity rewards
Annual health and wellness stipends
Retirement savings matching through RRSP, TFSA or FHSA
Extended health package with fully paid premiums for body and mind
Stock options
Dedicated Talent Development team
Career coaching
Learning and leadership programs
Career development opportunities
Pre-approved travel expenses fully covered for one in-person interview