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.
Requirements
- At least 10+ years of proven success in B2B enterprise services, preferably within the IT or software development sector, with 5+ years leading b2b services Customer Success, Account Management or Client Partnership teams.
- Demonstrated track record of growing a large portfolio (100M+ PLN or equivalent) with measurable YoY revenue expansion.
- Strong track record in closing upsell & cross-sell deals, negotiating enterprise contracts, and managing a healthy, predictable sales pipeline.
- Ability to collaborate closely with engineering leadership and translate complex technical roadmaps into compelling business value for C-level stakeholders.
- Near-native command of English (min. C1) with the ability to influence, present, and negotiate at the executive level.
- Proven ability to move beyond “delivery vendor” status to become a trusted business advisor and strategic partner.
- Strong financial acumen - comfortable with P&L ownership, forecasting, reporting, and KPI-driven management.
- A self-driven, entrepreneurial approach to problem-solving, team building, and client relationship development.
- Willingness and ability to travel internationally up to 25% of working time.
- A belief that “Impossible is nothing”.
Benefits
- 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
