Barbara Ratajczyk

• Promoted Samsung Health SDK through technical articles and developer workshops.
  Supported partners in building applications leveraging Samsung Health data.
  Contributed to Android and Wear OS app development to enhance user experience.
  Led an engineering team in developing and maintaining the Share & Care health and fitness data platform.
  Applied Agile methodologies to improve workflow and delivery efficiency.
  Coordinated cross-functional collaboration and integrated user feedback into product improvements.
  Optimized system performance to ensure scalability and reliability.
  Ensured high code quality and on-time delivery of project milestones.

Project Management: Samsung Health SDK, VD Marketplace, and STAM

Samsung Health SDK Project Management:
Promoted Samsung Health SDK through technical API usage articles and developer workshops at industry conferences. Developed sample Android and Wear OS applications and supported Samsung partners in SDK implementation.

VD Marketplace Project Management:
Responsible for designing, developing, and maintaining APIs for VD Marketplace. Integrated APIs with various systems and platforms to ensure seamless data exchange and functionality. Collaborated with development, product, and business teams to define API requirements aligned with business objectives. Monitored API performance, resolved issues, and optimized code for quality and reliability. Created technical documentation and provided support for API users. Ensured API security by implementing authentication and authorization mechanisms.

Collaboration with mobile network operators and negotiation of commercial offers.

Close cooperation with legal and accounting departments.

Data analysis and reporting to the Management Board.

Coordination with headquarters (HQ).

Supervision of team performance.

Management of a global system/platform.

Creation and maintenance of internal procedures.

Cost control and budget management.

• Managed a 15-person team and defined the organizational structure and end-to-end process for mobile device lifecycle management.
  
  Designed and implemented a device management system covering over 100,000 mobile devices.
  
  Collaborated closely with the Executive Board, preparing progress reports and delivering presentations.
  
  Supervised inventory processes.
  
  Coordinated with global branches to develop and standardize worldwide procedures for mobile device management and logistics.
  
  Worked with mobile network operators and conducted commercial offer negotiations.
  
  Maintained close cooperation with legal and accounting departments.

• Administered a global system for managing test SIM cards.
  
  Developed and maintained operational procedures.
  
  Coordinated with headquarters in Korea.
  
  Negotiated agreements with mobile network operators.
  
  Provided support for international visitors.
  
  Organized corporate events.

• Managed front desk operations and handled visitor reception.
  
  Distributed internal documents and coordinated with vendors.
  
  Organized business trips for employees.
  
  Processed and recorded invoices.
  
  Provided support and assistance to visitors.

• Coordinated office operations and managed daily administrative tasks.
  
  Collaborated with vendors and external service providers.
  
  Organized business trips and travel arrangements.
  
  Prepared documentation for accounting purposes and processed payments.
  
  Liaised with banks and managed company assets.
  
  Handled incoming and outgoing mail.
  
  Created business documents and reports.
  
  Worked closely with accounting, legal, and sales departments.