MATEUSZ BIAŁOWĄS

Sport Facility Management

• Improved team efficiency by re-allocating workload across a 3-member team.
• Enhanced customer understanding by integrating app analytics, leading to more insightful feedback analysis.
• Led API development for SportsKey using Grape, ensuring scalability and maintainability.
• Elevated code quality standards through CodeCov implementation, resulting in a measurable reduction in bugs.
• Mentored junior developers through targeted coaching, fostering a collaborative and high-performing team environment.
• Streamlined payment processing by integrating bank debit payments, managing a high volume of 1,000+ transactions monthly and reducing processing times.
• Spearheaded redesign of a core application feature to meet evolving business requirements, improving user experience and functionality.

• Led monthly Ruby meetups for Białystok’s developer community, fostering collaboration and knowledge-sharing among 20+ attendees per session
• Streamlined event logistics through vendor partnerships and volunteer coordination, maintaining consistent quality across 15+ sessions

• Maintained high levels of customer satisfaction by ensuring continuous availability of the SportsKey application, minimizing disruptions for sports facility users.
• Resolved an average of 15 customer-reported technical issues per week, collaborating closely with the Customer Success Team to provide timely and effective solutions.
• Proactively identified and addressed potential system vulnerabilities, contributing to the overall stability and security of the SportsKey platform.
• Developed and maintained comprehensive documentation for common technical issues, empowering customers and reducing support ticket volume.
• Contributed to the continuous improvement of the SportsKey application by providing valuable feedback to the development team based on customer interactions and reported issues.

• Contributed to the development and prepared a Rails application for production launch, ensuring a seamless user experience.
• Implemented a complete CI/CD pipeline using Dokku, significantly reducing deployment times and improving code quality through automated testing.
• Optimized the GraphQL API by resolving N+1 query issues, resulting in improved application performance and reduced server load.
• Led the strategic shift in application focus from doctors to clinics, redesigning key features and data models to align with the new business direction.
• Developed and integrated an Active Admin panel, providing administrators with an intuitive interface for managing application data and user roles.
• Rapidly acquired and applied new technical skills to daily tasks, consistently enhancing team efficiency and project delivery speed.