Actively drive revenue growth by expanding and strategically developing existing customers in the public transport and mobility sector., Take full responsibility for key customers in the public transport and mobility industry, building and nurturing lasting and trustworthy relationships with them., Acquire new customers: identify potential clients, conduct initial meetings, present ticketing solutions convincingly, and turn leads into long-term partnerships., Independently manage the entire sales process—from needs analysis and proposal preparation to pricing, contract negotiations, and successful closure., Oversee tenders and RFPs comprehensively, develop concepts, proposals, and presentations, and conduct bidder negotiations with a clear communicative and commercial strategy., As a central point of contact, provide strategic advice to clients, identify opportunities for up-selling and cross-selling, and strategically position products in the market., Work closely with the technical team to evaluate feasibility, effort, and solution scenarios, providing customers with realistic and reliable proposals., Independently manage smaller projects, particularly those that do not require significant new developments, and ensure smooth implementation., Monitor contracts, KPIs, and billing, ensuring clean commercial processes in collaboration with sales coordination., Continuously observe market and competitive trends and actively share insights with product management to further refine the portfolio.