Lead Site Core Developer

Role & responsibilities

• Translate designs into pixel-perfect HTML/CSS/JS within Sitecore.
• Build and maintain front-end components using modern frameworks (e.g., Next.js, React.js, Typescript, GraphQL, and JavaScript ES6+).
• Ensure content is editable through Sitecore Experience Editor and optimized for authors.
• Implement responsive, accessible UI that works across all major browsers and devices.
• Optimize performance, SEO, and usability for front-end interfaces.
• Implement custom functionality, components, and modules using Sitecore best practices and recommended approaches.
• Perform code reviews, provide feedback, and mentor junior developers to ensure the quality and integrity of the codebase.
• Troubleshoot and resolve technical issues, optimizing performance and addressing security vulnerabilities as needed.
• Drive innovation and technical excellence by researching new tools, technologies, and
• methodologies to enhance our technical capabilities.

Preferred candidate profile

• Bachelors degree in computer science, Engineering, or related field preferred.
• 5+ years of front-end development experience, with at least 7 years working with Sitecore.
• Experience with Sitecore Headless Services (JSS).
• Proficiency in HTML5, CSS3 (SASS/SCSS), Bootstrap (v. 4+), Typescript, JavaScript (ES6+), GraphQL, and modern JS frameworks (Next.js, React.js preferred).
• Familiarity with Sitecore SXA, rendering variants, and component-based design.
• Experience integrating front-end components into Sitecore using Razor views or Headless approaches.
• Strong knowledge of responsive and accessible design (WCAG standards).
• Version control experience with Git, and familiarity with Agile workflows.
• Strong problem-solving skills and the ability to think critically and creatively.
• Excellent communication and teamwork skills.

• Sitecore certification or equivalent experience.
• Working with back-end technologies such as C#, .NET core, MS Azure or AWS.
• Understanding of personalization and analytics features within Sitecore.
• Familiarity with build tools (Webpack, Vite, etc.) and CI/CD processes.