We are looking for an experienced Salesforce developer for one of our client based in Luxembourg. Hybrid work model (1 or 2 remote days per week) Permanent contract via a payrolling company or freelance contract Daily rate between 450EUR and 550EUR (freelance contract) Annual gross salary between 80 000EUR and 90 000EUR (permanent contract) English fluent is mandatory Main responsibilities Design and develop efficient and sustainable Lightning Web Components (Lwc). Use advanced JavaScript and CSS to optimize user experience and integrate dynamic interfaces. Contribute to the implementation and optimization of our customer portal. Ensure code quality (unit testing, code reviews, Salesforce best practices). Collaborate with internal teams (both functional and technical). Required skills Proven expertise in Salesforce Lightning Web Components (Lwc). Strong skills in APEX and JavaScript. Demonstrated experience with Experience Cloud (creation, customization, security). Thorough understanding of Salesforce development best practices (governance limits, security, performance). Knowledge of Salesforce integration with third-party systems (REST APIs). Ability to work effectively in a team within an agile environment. Profile Minimum of 3 years of experience in Salesforce development. Significant experience on Experience Cloud projects. Salesforce certification is a plus (e.g., Platform Developer I/II, Experience Cloud Consultant, etc.). Strong interpersonal skills, analytical mindset, and ability to propose innovative solutions. Languages: English is essential for collaboration with the technical team French is a plus. Hays plc est l'un des principaux groupes mondiaux de recrutement de professionnels. Hays est l'expert du recrutement de personnes qualifiées, professionnelles et compétentes dans le monde entier. Hays est le leader du marché au Royaume-Uni et en Asie-Pacifique et également l'un des leaders du marché en Europe continentale et en Amérique latine. Hays intervient pour le compte de milliers d'entreprises des secteurs privé et public, sur des postes en CDI, CDD, Travail Temporaire et Contracting. Hays France & Luxembourg compte aujourd'hui plus de 650 salariés répartis au sein de 22 bureaux (Aix-en-Provence, Amiens, Biarritz, Bordeaux, Clermont-Ferrand, Dijon, Grenoble, La Rochelle, Lille, Lyon, Montpellier, Nancy, Nantes, Nice, Paris, Reims, Rennes, Rouen, Strasbourg, Toulouse, Tours et au Luxembourg) couvrant 25 secteurs d'activité.