Sr. Front End Developer

2 weeks ago

Toronto, Ontario, Canada Metajive Full time

Metajive is seeking a highly skilled and motivated
Front-End Developer
with deep expertise in modern JavaScript frameworks (
, React
) and a passion for creating exceptional user experiences. You will be the architect of our client-facing applications, responsible for transforming complex designs and back-end data into fast, robust, and engaging interfaces. Your primary focus will be on

development and seamless integration with our
headless Craft CMS
.

* This role is for a contractor/freelancer (3-month project), but could open opportunities to work on future projects with us.

Responsibilities:

  • Lead the development
    of high-performance, responsive, and accessible user interfaces using

    and React.
  • Architect and implement seamless data consumption
    from our headless CMS APIs, with a strong focus on
    Craft CMS
    and
    GraphQL
    .
  • Collaborate closely with back-end developers (who manage the PHP/Craft CMS API) to define and refine API contracts, ensuring optimal front-end performance.
  • Translate UI/UX designs and wireframes into high-quality code (HTML5, CSS3, JavaScript/TypeScript).
  • Implement and maintain state management solutions for complex application logic.
  • Optimize front-end assets and code for maximum speed and scalability, focusing on Core Web Vitals and Lighthouse scores.
  • Contribute to setting up and maintaining front-end testing frameworks and CI/CD pipelines relevant to the front-end environment.
  • Troubleshoot and resolve front-end issues, bugs, and performance bottlenecks across various browsers and devices.

Qualifications:

  • 5+ years
    of professional experience in front-end development.
  • Deep expertise
    in modern JavaScript (ES6+), HTML5, and CSS3/Sass/Tailwind.
  • Expert-level proficiency
    with

    and the broader React ecosystem (including Hooks, Context API, or Redux/Zustand).
  • Significant, hands-on experience
    integrating front-end applications with
    headless CMS platforms
    , specifically with
    Craft CMS
    .
  • GraphQL experience is a must
    , including proficiency in consuming and querying complex schemas.
  • Strong understanding of static site generation (SSG) and server-side rendering (SSR) principles in
  • Proficiency in version control systems (Git) and collaborative development workflows.
  • Familiarity with consuming RESTful APIs.
  • Strong problem-solving, analytical, and proactive communication skills.

Bonus Points:

  • Experience with front-end testing frameworks (e.g., Jest, React Testing Library, Cypress).
  • Familiarity with serverless functions (e.g., AWS Lambda, Vercel Functions).
  • Experience with deployment to platforms like Vercel or Netlify.
  • Working knowledge of modern authentication patterns (e.g., OAuth, JWT).
  • A security-first mindset in development practices.

*IMPORTANT* - You must also apply on our job posting site to be considered:

Equal Opportunity Employer:

Metajive provides equal employment opportunities (EEO) to all applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws.

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