mid front-end developer - sitecore

PeopleCert is looking for a talented Mid Front-End Developer - Sitecore to join our web development team and help deliver modern, accessible, and high-performing digital experiences across our Sitecore-powered platforms. 

The team currently works on an older Sitecore implementation and is preparing for a move toward the latest Sitecore architecture. As part of this journey, you will help modernize the front-end layer, build reusable UI components, collaborate with back-end developers and UX/UI designers, and support the transition toward more component-based and headless development practices. 

This role is ideal for a front-end developer who has solid hands-on experience and wants to grow further in enterprise web development, Sitecore, React, Next.js, and modern digital experience platforms.

As a Mid Front-End Developer - Sitecore your tasks will be the following:

•  Develop, maintain, and improve responsive, accessible, and reusable front-end components for Sitecore-based websites and digital platforms. 

• Work closely with Sitecore back-end developers to integrate front-end components with Sitecore templates, renderings, layouts, content structures, and APIs. 

• Support the modernization of the current Sitecore front-end implementation, helping move from legacy patterns to more modular, maintainable, and component-based approaches. 

• Translate UX/UI designs into high-quality web interfaces that are responsive across devices and browsers. 

• Build and maintain front-end functionality using HTML, CSS, JavaScript, TypeScript, and modern frameworks or libraries such as React and Next.js. 

• Collaborate with UX/UI designers to ensure design consistency, usability, accessibility, and alignment with brand guidelines. 

• Optimize front-end performance, including page speed, Core Web Vitals, asset loading, image optimization, caching behavior, and rendering efficiency. 

• Support SEO-friendly implementation, semantic HTML, analytics tagging, tracking requirements, and structured front-end practices. 

• Work with QA teams to resolve defects, validate browser compatibility, and ensure high-quality delivery. 

• Participate in sprint ceremonies, estimation, code reviews, technical discussions, and release preparation. 

• Collaborate with content teams to ensure that Sitecore components are easy to use, flexible, and aligned with content authoring needs. 

• Support the adoption of headless Sitecore front-end practices where applicable, including JSS, Next.js, GraphQL, and API-driven content delivery. 

• Maintain clean, well-structured, documented, and reusable front-end code. 

What we look for:

•  Bachelor’s degree in Computer Science, Information Technology, Web Development, Design Technology, or a related field, or equivalent professional experience. 

• 2+ years of professional experience in front-end web development. 

• Strong knowledge of HTML5, CSS3, JavaScript, TypeScript, responsive design, and cross-browser compatibility. 

• Experience with modern front-end frameworks or libraries, preferably React and/or Next.js. 

• Experience working with CMS-driven websites. Sitecore experience would be considered a strong advantage. 

• Understanding of component-based development and the ability to build reusable, maintainable UI components. 

• Good understanding of accessibility principles, responsive design, web standards, SEO-friendly markup, and performance optimization. 

• Experience working with design tools such as Figma, Adobe XD, or similar. 

• Familiarity with Git, Azure DevOps or similar tools, pull requests, branching strategies, and agile delivery practices. 

• Ability to collaborate effectively with designers, back-end developers, QA engineers, product owners, and business stakeholders. 

• Very good knowledge of English. C2 level certification would be considered a plus. 

Nice to have:

• Experience with Sitecore JSS, Sitecore Headless Services, XM Cloud, Experience Edge, or GraphQL. 

• Experience with design systems, Storybook, reusable component libraries, or enterprise UI frameworks. 

• Experience with front-end build tools and package managers such as npm, yarn, webpack, Vite, or similar. 

• Understanding of Core Web Vitals, Lighthouse, browser developer tools, and front-end performance profiling. 

• Familiarity with analytics and tag management tools such as Google Tag Manager, GA4, or similar. 

• Basic understanding of .NET MVC views, Razor, or Sitecore rendering integration. 

• Experience working in multilingual, multisite, or enterprise-scale web environments. 

What we offer:

• Competitive remuneration package

• Work in an international, dynamic and fun atmosphere

• Two free vouchers for all certifications from PeopleCert's Portfolio per year for all employees

• Huge learning experience in using best practices and global environment

• Constant personal and professional development