Bizsailor

Sr. Software Engineer

AppStudio • Vollzeit

Jan 2022 - Nov 2025 • 3 yrs 10 mos

Key Responsibilities -------------------- Led the development of cross-platform mobile applications using Flutter for Android and iOS platforms. Designed and maintained scalable backend systems using Laravel, REST APIs, and MySQL databases. Architected secure API integrations between mobile apps and backend services. Mentored junior developers and conducted code reviews to maintain high coding standards. Collaborated with UI/UX designers, QA engineers, and product managers to deliver production-ready software. Implemented CI/CD pipelines and version control workflows using Git. Optimized application performance and improved API response time. Major Achievements --------------------- Successfully delivered 10+ production mobile applications built with Flutter used by thousands of users. Improved backend API performance by 40% through database optimization and caching strategies in Laravel. Reduced app crash rates by 60% through improved architecture and error handling. Designed a modular Flutter architecture that accelerated development speed by 30% across projects. Led a team of 5 developers, increasing overall project delivery efficiency. Integrated third-party services such as payment gateways, push notifications, and analytics systems. Implemented secure authentication systems including JWT and OAuth.