Senior Customer Success Manager, UK
Sales & Business Development, Customer Service
London, UK · Remote
Posted on Oct 23, 2026
Senior Customer Success Manager
As a Senior Customer Success Manager, you will help senior leaders at large companies solve their most pressing digital problems through our cutting edge software platform. You will be tasked with building, maintaining, and growing relationships with our most strategic customers. This role requires a consultative and holistic approach to the customer lifecycle. This includes building out comprehensive marketing strategies, executing and optimizing those strategies, all while delivering next-level results and service.
The ideal candidate would be a strong leader and industry expert who is looking to directly impact the digital marketing strategy of some of the top brands in the world, and have a lot of fun while doing it.
If you love the fast-paced environment of a startup, digital marketing, and working closely with clients, then this is an incredibly unique opportunity to join an accomplished team and help blaze the trail for future growth.
Responsibilities
- Own the relationship and ultimate success of Wunderkind's most strategic customers, including initial onboarding, strategy development, campaign execution and optimization, and retention. These are companies like Hugo Boss, Ann Taylor and Comcast
- Develop a trusted advisor relationship with customer key stakeholders and executive sponsors to fully understand your customer's business strategy and measurements for success
- Continuously think outside the box to generate new campaign ideas, tailored to the unique needs of your clients
- Serve as customer advocate internally while effectively collaborating with internal, cross-functional teams including product management, sales, engineering, and design
- Ensure that customers derive maximum value from their investments in WKND and fully leverage our entire suite of services
- Mentor a client strategist who will help execute on your marketing vision; this position will have the opportunity to graduate into a full management role or simply manage our super elite clients
Desired Skills & Experience
- 5+ years experience in client service, account management, and/or digital marketing
- Experience working with Fortune 500 companies
- Demonstrated success in fast-paced and demanding environments; you relish adversity and overcoming obstacles
- Detail-oriented with the ability to project manage, set priorities and stay organized when managing multiple client relationships
- Strong technical skills or the ability to quickly learn technical concepts
- Excellent communication skills and EQ; you enjoy building relationships, overcoming push back and high touch client interaction
- Proactive and energetic attitude with the desire to be a key player on a results-oriented team
- Entrepreneurial spirit with with a passion for the marketing technology space and a healthy dose of humility
- Desire to help mentor and develop junior members within the Customer Success team
Wunderkind is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.
JOIN US ON OUR MISSION
Wunderkind (formerly BounceX) is a leading performance marketing engine that delivers tailored experiences at scale. Digital businesses use Wunderkind to remember who users are better than ever before, allowing them to deliver high-performing, one-to-one messages on websites, through emails and texts, and in ads at a scale that’s not otherwise possible. Wunderkind recently acquired SmarterHQ so marketers can now unlock more revenue than ever before across SMS and email.
Wunderkind drives $1.2 billion dollars annually in directly attributable revenue for top eCommerce brands like Uniqlo, Sonos and HelloFresh, often ranking as a top-3 revenue channel in their own analytics. Wunderkind is maniacally obsessed with ROI and aims to be the infrastructural interface between individuals and brands in a world where consumers choose what they want, from whom, and when.
Having raised over $44.9 million in funding from proven firms like Battery Ventures, Cross Creek Advisors and Primary Ventures, Wunderkind was named the Fastest Growing Software Company in America by Inc Magazine. With headquarters in New York and London, Wunderkind has been recognised by Glassdoor and Crain's for its exceptional culture and being one of the top places to work in the country. The company recently signed both the White House Equal Pay Pledge and the United Nations Women's Empowerment Pledge and continues to set the bar as a pioneer in technology innovation and workplace inclusion initiatives.
What bonds our community together is our commitment to 5 Core Values:
- Come Hungry
- Carry Each Other
- Drive Undeniable Performance
- Respect People, Privacy, Ideas
- Bounce Back
Come join us on our mission.
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