Andriian

Frontend Developer | Goldenstar Programming and Tech Solution

goldenstar • Full time

Feb 2021 - Present • 5 yrs 7 mos

As a Frontend Developer, I design and develop responsive, user-focused web and mobile interfaces that turn ideas into reliable digital products. I work closely with our development team to build clean, scalable, and high-performance applications for startups, businesses, and entrepreneurs. Key Responsibilities Develop modern, responsive frontend interfaces with a strong focus on usability and performance. Build and maintain web and mobile application interfaces using modern development technologies. Convert UI/UX designs and business requirements into functional, production-ready products. Integrate REST APIs, Firebase services, authentication, databases, payments, maps, and third-party services. Optimize applications for speed, responsiveness, cross-device compatibility, and a smooth user experience. Identify and fix frontend bugs, UI issues, and performance problems. Collaborate with designers, backend developers, and project stakeholders throughout the development lifecycle. Maintain clean, organized, scalable, and maintainable code. Achievements Contributed to the development and delivery of 50+ web and mobile applications for different business needs. Helped deliver applications that are actively running and serving users today. Successfully worked on projects across areas including eCommerce, fintech, booking platforms, social applications, business apps, marketplaces, and custom startup solutions. Contributed to transforming client ideas and concepts into functional, launch-ready digital products. Focused on delivering interfaces that improve user experience, engagement, performance, and business growth. Built experience working on projects from MVP development through production-ready applications. Developed strong expertise in responsive design, API integration, Firebase, application optimization, debugging, and modern frontend development. Consistently worked as part of a professional development team to deliver projects on time and to client requirement