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As a freelance full-stack developer, I independently led the development of 15+ modern web applications across diverse industries. My work focused on building scalable, performant solutions tailored to business needs — from UI/UX to API design and deployment. Delivered custom full-stack applications for clients including BlackPipeFactory, Afhaustechnik, and EYD Ticaret using React.js, Next.js, Node.js, Express, and MySQL. Developed intuitive and responsive frontends with optimized performance, leveraging Next.js, Zustand, React Query, and Tailwind CSS. Implemented scalable backend services and RESTful APIs with Express.js and Prisma, supporting real-time features and complex business logic. Optimized performance using strategic code-splitting, server-side rendering (SSR), and lazy loading, resulting in up to 30% faster load times. Built real-time features such as internal chat systems and live data dashboards to improve collaboration and visibility within client platforms. Designed CMS-driven platforms using Strapi and Sanity, enabling clients to manage their content independently and efficiently. Worked directly with clients to gather requirements, manage timelines, and provide post-launch documentation and support. Ensured clean architecture, reusable components, and testable codebase using modern standards and tools like Zod, React Hook Form, and Jest. Maintained long-term relationships through quality delivery, transparent communication, and repeat business.

Joined a German real estate platform to deliver scalable, user-centric solutions across the entire stack — improving system reliability, UX, and developer workflow. Engineered responsive dashboards and listing management tools using React, Redux Toolkit, and Material UI. Built RESTful APIs and backend logic with Node.js and Express, handling property data, user roles, and access control. Implemented secure authentication and role-based access flows to align with business and regulatory requirements. Optimized backend data handling using PostgreSQL and Sequelize, improving query performance and stability. Contributed to UX enhancements that increased user engagement and satisfaction by 15%. Participated in agile sprint planning, code reviews, and collaborative feature design alongside product and design teams. Improved maintainability through modular code, shared components, and architectural best practices.

At TSoft, I was responsible for designing and implementing modern frontend interfaces while also integrating RESTful APIs across several client-facing platforms. Developed performant and accessible UIs using React.js, HTML, CSS, and Tailwind CSS across e-commerce and SaaS projects. Integrated RESTful APIs to handle product listings, user actions, and real-time data updates, ensuring smooth frontend-backend communication. Collaborated closely with backend engineers and designers to ensure UI consistency and data integrity. Improved frontend responsiveness and load times through lazy loading, memoization, and optimized rendering logic. Participated in daily stand-ups, feature planning, and collaborative debugging sessions to deliver continuous improvements. Maintained design standards through reusable components, atomic design patterns, and mobile-first practices.