We are looking for a Business Analyst - Payement & Derivatives for one of its clients based in Luxembourg. Permanent contract (via a payrolling company) or freelance contract Daily rate up to 600EUR Annual gross salary up to100 000EUR English fluent is mandatory Main missions You never feel out of the loop. Daily syncs with the product team MEAN you're always aligned, always informed, and never stuck wondering what's next. You own your work. You identify what needs doing, explain your progress, and actually see the impact of your contributions, no micromanaging, just trust. You become a testing ninja. From payments to derivatives, you prep and run test cases that sharpen your analytical skills and deepen your domain expertise. You get hands-on with Avaloq. If you've worked with it before, great. If not, you gain valuable experience with one of the most widely used core banking systems in Europe. You be the quality gatekeeper. You run real testing scenarios, prep transactions, and make sure everything works as it should, before it hits production. You make bugs disappear. Found a defect? You escalate it, track it, and follow up until it's fixed. You're not just spotting problems, you're solving them. You connect the dots. Testing end-to-end flows across multiple systems means you understand how everything fits together, giving you a big-picture view that most analysts don't get. You leave a trail of clarity. Your documentation help others understand what's been tested, what's working, and what needs attention. You be the person everyone turns to for answers. Your profile Strong experience of instant payments (SEPA) Knowledge of derivatives Experience in Testing Experience with Avaloq or other core banking systems 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.