C
Callstack
Verified
Head of Portfolio Delivery
Lead–Principal
Hybrid
Wroclaw, Poland
Posted 1 month ago
Skills & stack
Skills
Delivery Management
P&L Ownership
Project Management
About the role
Callstack is hiring an experienced leader to oversee a delivery portfolio generating 150-200M PLN annually and manage a 150+ person delivery team, bridging delivery, sales and technical innovation while maintaining P&L accountability.
Responsibilities
Ensure client needs comprehension, timely delivery and efficient communication. Implement project management methodology and standardize delivery frameworks. Monitor profitability, margins and utilization rates across the portfolio. Build positive stakeholder relationships and support Account Management on upselling/cross-selling opportunities. Partner with Engineering on delivery standards and technical risk management. Serve as escalation point for high-priority issues. Contribute to transformation initiatives and drive continuous improvement. Establish and monitor Portfolio Health KPIs (NPS, On-Time Delivery, Quality Score). Supervise Delivery Department growth and performance management.
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C
Callstack
Verified
Agency
Polish React and React Native consultancy and open-source core contributor, building cross-platform mobile and web products for global clients.
- Location
- Wroclaw, Poland
- Team size
- 51-200
- Remote policy
- Remote
Overview
- Seniority
- Lead–Principal
- Remote policy
- Hybrid
- Location
- Wroclaw, Poland
- English
- C1
- Posted
- Jul 29, 2026