
51 - 200 employees
Founded 2016
🤝 B2B
B2B • Software Engineering
Callstack is a leading software engineering consultancy that specializes in app development and technological transformation using React and React Native. They provide end-to-end product development services including mobile and web app development, app performance optimization, and tech stack upgrades. Their expertise in the React ecosystem makes them a trusted partner for companies looking to enhance and innovate their software solutions. Callstack also focuses on educating and upskilling development teams, enabling organizations to stay competitive and efficient.
🕒 June 30
🗣️🇵🇱 Polish Required
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51 - 200 employees
Founded 2016
🤝 B2B
B2B • Software Engineering
Callstack is a leading software engineering consultancy that specializes in app development and technological transformation using React and React Native. They provide end-to-end product development services including mobile and web app development, app performance optimization, and tech stack upgrades. Their expertise in the React ecosystem makes them a trusted partner for companies looking to enhance and innovate their software solutions. Callstack also focuses on educating and upskilling development teams, enabling organizations to stay competitive and efficient.
• Work as part of the Delivery team, collaborating closely with Technical Leads and Portfolio Managers to develop and execute growth strategies for assigned accounts, driving customer value and business expansion. • Drive upsells, account expansions, and end-to-end renewals to ensure consistent revenue growth. • Build and execute mid- and long-term key account plans, including stakeholder mapping and expanding into new client divisions. • Develop account strategies and roadmaps to strengthen long-term partnerships. • Lead regular 1:1s with key stakeholders and plan onsite visits to strengthen partnerships. • Build and maintain long-term relationships with key client stakeholders. • Act as a bridge between clients and R&D, sharing technology trends and innovation insights to position us as a strategic partner. • Monitor client financial situation monthly, map potential risks to current and future revenue, and execute churn prevention measures. • Manage sales forecasting, account reporting, legal contracts, and the acquisition of case study approvals. • Connect various client initiatives by providing cross-project context, market intelligence, and industry-level positioning. • Drive referrals and stakeholder introductions to expand account footprint organically.
• At least 5+ years of proven success in B2B enterprise services, preferably within the IT or software development sector. • Ability to collaborate closely with developers and translate complex technical roadmaps into business value. • Strong track record in closing upsell & cross-sell deals, negotiating contracts, and managing a healthy sales pipeline. • Near-native command of English (min. C1) with the ability to influence C-level stakeholders. • Proven ability to move beyond "delivery vendor" status to become a trusted business advisor. • Strong attention to detail regarding financial monitoring, reporting, and KPI achievement. • A self-driven, entrepreneurial approach to problem-solving and client relationship building. • A belief that "Impossible is nothing".
• 24 paid days off • 30 days paid sick leave • Fully-covered life insurance • Private healthcare for you and your family • Free access to the Helping Hand mental health platform • Multisport Card or a monthly allowance for other sports activities • Individual Wellbeing & Development Budget • Monthly lunch allowance • Flexible working hours • Remote-first work model – work from wherever you're most productive, with occasional onsite meetings and team gatherings • Accounting costs refund • Cool office in Wrocław city center • Performance-based bonus program • Opportunity to work with Fortune 500 companies and global technology leaders • Opportunities for international travel to the US, Asia, and LATAM to meet clients and attend business events • Opportunity to attend and participate in conferences, meetups, and community events organized by Callstack in Poland and the US • Magnificent team events and activities • Company-wide workation and team-building workshops • Top-notch hardware – Apple devices
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