Front End Tech Lead

SQLI, a European leader in customer experience and digital transformation, helps major international brands create value through technology and digital innovation. From strategy to the deployment of our clients technological assets, we design and build robust, high-performance architectures and engaging experiences by combining cutting-edge technologies, proven methodologies, and deep technical expertise.To strengthen our teams (2,200 people across 12 countries), we are recruiting passionate individuals who share our values:Creative Spirit, Commitment, Forward Thinking.The JobWe are looking for a Front-End Architect / Tech Lead with strong hands‑on knowledge of ReactJS and NextJS to lead the decision-making process for creating a new front‑end framework from scratch. Working autonomously, you will implement front‑end architectural decisions on high‑impact eCommerce projects, promote best practices, and ensure the scalability and performance of our applications.What is this all about?Technical Leadership & ArchitectureDefine and maintain robust front‑end architecture aligned with modern best practices.Make strategic technical decisions on frameworks, libraries, and performance optimisation.Lead initiatives on microfrontend adoption and integration where applicable.ReactJS & NextJS ExpertiseDrive development using ReactJS (minimum 4 years of hands‑on experience) and NextJS (latest versions, 13+).Implement advanced features such as SSR, SSG, and ISR for high‑performance applications.Ensure seamless integration of NextJS capabilities for SEO and scalability.Design SystemsLead or co‑create enterprise‑level design systems to ensure consistency and reusability.Establish component libraries and enforce UI/UX standards across teams.Coordinate with large, cross‑functional teams on high‑scale projects.Mentor developers, review code, and enforce best practices for maintainability and scalability.Performance & QualityOptimise application performance through code splitting, caching, and lazy loading.Oversee implementation of automated testing (unit, integration, and E2E) and CI/CD pipelines.Monitor and improve Lighthouse scores and accessibility compliance.Stay ahead of emerging trends in front‑end technologies and microfrontends.Introduce modern architecture patterns and tools to improve delivery speed and quality.Your profileWho are you?Minimum of 10 years of experience in frontend development.At least 4 years of active experience working with ReactJS and at least 2 recent years with NextJS (modern versions, 13 or higher).Strong experience in technical decision‑making and frontend architecture definition.Knowledge and hands‑on experience with Design Systems (ideally having led or co‑created one).Experience working in large teams or on high‑scale projects.Knowledge of microfrontends is a highly valued plus.Experience in performance, SSR/SSG, CI/CD, testing, and modern architecture best practices will also be valued.Additional InformationsWhat do we offer?Remote / Hybrid / OnSite policy workPermanent contract.Juno Journey Premium member platform with a lot of on‑line learnings (certifications, courses, etc).Individual yearly training and certification budget.Work Schedule Monday to Friday.Intensive working hours on Fridays and all week in July and August.Full salary coverage for sick leave.A smooth and clear recruitment processCV ScreeningHR Online Interview (30 min)Interview with Hiring Manager (1h)SQLI Group ensures that applicants’ personal data is processed as required by the EU General Data Protection Regulation (GDPR) and the Ley de Protección de Datos 3/2018 of the Spanish Kingdom. Personal data is processed for the purpose of carrying out the hiring process and joining to our talent community. You can exercise your rights in terms of General Data Protection and digital guarantees through You can learn more about your rights regarding data protection and our Data Policy by clicking on Privacy Center Hub#J-18808-Ljbffr