Justin Bisacky Email & Phone Number

• Architected and developed cross-platform mobile applications for iOS and Android using React Native, resulting in a 40% increase in user engagement for completing prescribed mental fitness exercises• Implemented authentication, database services, and push notifications using Firebase, reducing app load times by 20% and increasing daily active users by 30%• Collaborated closely with project stakeholders to translate Figma wire-frames into functional components, delivering 95% of features on time and within budget• Utilized Scrum and Kanban methodologies for efficient project management in an agile environment.• Conducted thorough debugging and testing processes, identifying and resolving 100+ potential issues pre-launchand achieving a 99% pass rate in QA testing.

San Francisco, California, Us

• Completed a internship program, mastering 15+ iOS development best practices in Swift programming• Developed and implemented a ride history list feature using Swift• Integrated map view functionality using CoreLocation and MapKit frameworks to provide real-time locationvisualization• Collaborated with senior developers to optimize code performance and ensure adherence to iOS development standards• Contributed to 50+ Git commits, participated in 30 code review sessions, and achieved a 95% approval rate for submitted pull requests• Designed and implemented data models using Java Persistence API (JPA) and Spring Boot• Created comprehensive unit tests, achieving 90% code coverage• Implemented the data model using Java Persistence API (JPA) as an object-relational mapping (ORM) tool• Optimized database queries, reducing response time by 25%

• Developed a high-performance peer-to-peer rental marketplace using the MERN stack (MongoDB, Express.js, React, Node.js)• Implemented AWS EC2 infrastructure, achieving 99.9% uptime in staging environment and projecting a 35% cost reduction compared to alternative hosting solutions• Integrated the Stripe payment gateway to enable secure online transactions for rental bookings• Streamlined the development process by actively participating in full SDLC, reducing time-to-market by 20% for new features.• Enhanced project alignment by collaborating with 3 cross-functional teams, resulting in 95% of deliverables meeting of exceeding stakeholder expectations• Improved project efficiency by applying Scrum and Kanban methodologies, improving sprint velocity by 30% and reducing backlog by 40%• Enhanced code quality through 100+ code reviews and resolving 200+ potential issues pre-launch in QA testing