About the role We are looking for a Customer Success Manager with Mobile User Acquisition expertise to join our London based team at Flexion Group PLC. In this vital role, you will forge strong, lasting relationships with some of the world’s most innovative mobile gaming studios, helping them to drive growth by effectively utilising a range of internal and external UA solutions. You’ll act as a trusted advisor and growth partner — helping clients optimize campaign performance, expand spend confidently, and adopt new acquisition strategies in a rapidly evolving mobile landscape. If you're a commercially driven, analytically minded CSM with experience in mobile advertising, this is your opportunity to shape how games are scaled outside the traditional app stores. Main Responsibilities • Upselling & Budget Growth: Identify and present opportunities for testing and expanding advertising budgets based on proven performance metrics, aiming to increase client investment while maximizing revenue for Flexion managed titles • Client Relationship Management: Act as one of the primary contracts for game developers and publishers, facilitating communication and collaboration to ensure their needs are met and their concerns are addressed promptly. • Proposition Development: Work closely with Product and UA teams to develop Flexion’s Direct-To-Consumer proposition. Maintain and develop best practice playbooks that are distributable and clearly understood. • Campaign Performance Optimization: Work closely with internal teams, including user acquisition managers and data analysts, to continuously analyze and improve Return on Ad Spend (ROAS), • Retention & Renewals: Focus on maintaining high customer satisfaction by fostering open relationships and providing exceptional service, ultimately developing long-term partnerships that benefit both clients and the company. • Onboarding & Education: Guide new developers through the onboarding process by providing comprehensive training on open market UA strategies, and ensuring they have the technical tools and expertise to manage campaigns in this space • Cross-Selling: Strategically propose additional services, such as direct-to-consumer (D2C) solutions, to existing customers, enhancing their experience and helping them reach their business goals more effectively. About You • Bachelor’s degree in Business, Marketing, Communications, or a related field. • 3 years of experience as a customer success manager or account manager in a mobile ad tech or mobile game publishing environment • Experience in managing customer success programs, customer retention, and upselling strategies. • Strong understanding of the mobile gaming and User Acquisition success metrics • Ability to analyse UA data and communicate concepts to diverse audiences • Exposure to MMPs and mobile advertising platforms across Social, Rewarded Video and DSPs • Strong interpersonal and communication skills, with the ability to build and maintain long-term relationships and work cross-functionally. • Excellent problem-solving and critical-thinking abilities, with a customer-focused mindset and a proactive approach. • Strong organisational and time management skills, with the ability to manage multiple accounts and priorities simultaneously. • Solid negotiation skills to handle complex customer accounts. Benefits • Eligibility for study support and professional training. • Eligibility for private medical insurance. • Regular company events and team-building activities. • Travel opportunities • Options for hybrid or remote working arrangements. • Potential participation in the company share option scheme after a successful probationary period. About Flexion Flexion Mobile is a leader in one of the fastest-growing and largest sectors of entertainment—mobile gaming. The company went public on Nasdaq in Stockholm in 2018 and has subsequently been recognized by Prolific London as one of the top five most valuable gaming startups based in London. Our dynamic and experienced team in London and Budapest are dedicated to enhancing and transforming the mobile gaming industry. We engage in close collaboration with game developers and distribution channels to assist them in generating increased revenue by broadening their reach. Central to our operations is our patented technology, which enables us to provide unique services to game developers. If you are seeking an exciting challenge within a fast-growing yet agile company, Flexion is the right place for you. Company Values • Empowerment: We are capable. • Commitment: We deliver results. • Innovation: We shape the future. • Openness: We embrace new ideas. If you possess the requisite skills, experience, and qualifications, we encourage you to submit your application without delay.