- Collaborated with a team of 20+ in 3 locations (North America, Europe, and Turkey), consisting of software engineers, QA test engineers, designers, and product managers to manage e-commerce applications,- Facilitated sprint planning and story point estimation, ensuring a 98% on-time feature completion rate, and reducing the backlog by 30%,- Strengthened the test coverage by collaborating with QA Test Engineers and refactoring Cypress E2E tests,- Revamped the e-commerce app's UX by fixing 800+ bugs and optimizing user flows; resulting in an increase in user traffic and a rise in daily sessions,- Modernized 6,500+ lines of legacy JavaScript, Java, and PHP code, applying industry-standard best practices, which improved code modularity by 40% and decreased technical debt, enhancing overall system performance,- Collaborated with stakeholders, clients, and the engineering team to troubleshoot and resolve technical issues, achieving enhancement in system reliability and a 35% reduction in support ticket volume,- Conducted comprehensive interviews for PHP, Java, and JavaScript positions, focusing on coding proficiency, debugging, and automation; elevated team performance, achieving a 20% increase in project delivery rates,- Developed a structured training program for interns focusing on JavaScript and Cypress, established technical abilities, and reduced error rates in projects,- Integrated Quasar and Vue into the development process, producing a new tool that simplified user experience and boosted user retention rates within the first month,- Involved with internal training about various topics like automated testing, databases, programming languages, REST API, and frameworks.

- Created and prepared REST APIs and database structures for SaaS applications with a 10+ person team using Laravel; decreased data processing time and boosted user interaction quality,- Developed API documentation based on OpenAPI standards, enhancing cross-team collaboration and cutting,debugging time,- Spearheaded automation of PHPUnit-based feature and unit tests; resolved post-deployment defects by 30% and cut manual testing time by 50 hours monthly, enhancing software reliability via Test-Driven Development (TDD),- Pioneered the adoption of GIT for code management, leading to a reduction in deployment errors and an improvement in developer productivity.

- Accelerated a comprehensive web application for a student education system using NodeJS; enhanced user, experience and increased student engagement within the first quarter,- Operated migration of the Flutter mobile application to React Native, eliminating redundant builds anddecreasing app size by 80%, resulting in a 50% increase in download rate.

- Implemented robust Python, NodeJS, and AWS solutions for computer vision and IoT projects; enabledreal-time data processing and reduced system downtime, enhancing project reliability and user satisfaction.

- Engineered a gamification solution for mobile devices in hotel entertainment services via Unity Engine and C#, elevating guest satisfaction scores, and app usage.

- Engineered a robust property management system using Laravel and Bootstrap, enhancing user experience and reducing tenant complaint resolution time, driving an increase in tenant satisfaction,- Implemented Agile development strategies with Git for seamless version control and JIRA/Asana for robust project management; enhanced team collaboration, leading to a 35% increase in feature development speed.