Head of Customer Success

We don’t follow best practices, we set them!

Callstack supports and inspires top industry leaders in shipping better digital products and services to their users. We are a team of high-level experts in cross-platform development and consultancy. We co-create the technology, collaborate with the Meta team on setting the direction for the future growth of the React Native framework, and much more!

We are recognized in the React Native Community as contributors to Open Source projects, organizers of React Universe Conf, as well as speakers at international conferences. We also organize regular community meetups in our HQ in Wrocław, Poland.

We truly believe that you can get the best out of people when you give them a chance to participate and develop. At Callstack you are the one to decide in which area you want to grow, you’ll have an individual self-development budget to empower your competencies and gain new skills.
Our goal is to give every employee the opportunity to speak up and introduce their ideas to build the future together.

Join us and work with the TOP Silicon Valley and Fortune 500 companies in the USA!

We are looking for an experienced Head of Customer Success who will own and scale a portfolio of 150–200M PLN in annual revenue, lead a team of 3–5 Account Managers, and act as a bridge between business value and technical innovation.

The Head of Customer Success is responsible for maintaining strong client relationships, ensuring successful service delivery, and driving revenue growth through upselling, cross-selling, strategic account development, and team leadership. This role carries direct P&L accountability with ambitious year-over-year growth targets.

You will work directly with the Head of Engineering to articulate deeply technical business value propositions and position Callstack as a strategic technology & business partner - not a delivery vendor.

What we offer:

• 24 paid days off & 30 days paid sick leave for B2B contractors
• Fully-covered life insurance
• Private healthcare for you and your family
• Free access to mental health platform - Helping Hand
• Multisport Card or monthly allowance for other sports activities
• Individual Wellbeing & Development Budget
• Monthly lunch allowance
• Accounting costs refund for B2B contractors
• Flexible working hours and fully remote work possibility
• Cool office in Wrocław city center
• Magnificent team events and activities
• Company-wide workation and team building workshops
• Top-notch hardware - Apple devices
• Possibility to participate in React Universe Conf