Nov 2023 – Mar 2024 · 4 mos · Remote

• During this period, I worked independently on different freelance platforms, building both frontend and backend projects for various clients.
• It was a great experience that helped me improve my technical and communication skills while working with people from different backgrounds.
• I mainly used TypeScript and React.js for frontend development, and C# with ASP.NET for backend projects.
• After gaining solid experience through freelancing, I decided to focus on growing as a Senior Developer within a company environment.

Feb 2023 – Nov 2023 · 9 mos

• In this project, I developed a custom character creation platform that lets users design their own characters directly on the website. The feature was built using C# on the backend to handle logic, user data, and interactions, while the frontend was developed with Next.js for fast and dynamic rendering.
• To make the platform more complete, I integrated Stripe for secure online payments, allowing users to easily purchase their customized characters or access premium features. 💳
• I also implemented a subscription system, so users could enjoy ongoing access to special features, updates, and exclusive content. 🔁
• ## Highlights
• Developed a dynamic character customization feature where users could create and edit characters based on their chosen elements 🧩
• Built the frontend using Next.js for a smooth, modern, and responsive user experience 💻
• Managed backend operations and logic using C#, ensuring stable performance and clean architecture ⚙️
• Integrated Stripe for secure online payments 💳
• Added subscription functionality for recurring user access and premium features 🔁

Jun 2022 – Nov 2023 · 1 yr 5 mos

• I worked on a security tools platform designed to scan, monitor, and report website vulnerabilities, helping users maintain safer web applications.
• On the frontend, I built the user panel using Create React App (React.js), delivering a responsive and intuitive interface for users to interact with the platform. On the backend, I implemented BFF (Backend-for-Frontend) services using ASP.NET Core, ensuring smooth communication between frontend and backend while maintaining clean architecture and high performance.
• ## Highlights
• Developed a security tools platform for scanning and monitoring website vulnerabilities 🛡️
• Built the user panel with React.js (Create React App) for an interactive UI 💻
• Implemented BFF architecture with ASP.NET Core for efficient frontend-backend integration ⚙️

Dec 2020 – Nov 2023 · 2 yrs 11 mos

• In this role, I worked as both the Team Lead and Tech Lead on the frontend side, guiding the team and shaping the technical direction of our web and app projects. My main focus was on improving performance, scalability, and user experience, which directly impacted business growth.
• Through optimizing the codebase and project infrastructure, I helped increase the site speed by over 70%, leading to smoother user interactions and higher engagement. These improvements, along with the new design and structure, contributed to a 40% boost in sales from the website alone.
• Later, I led the development of a new Progressive Web App (PWA) that provided a faster and more mobile-friendly experience, resulting in another 50% increase in sales.
• I also had the opportunity to manage and mentor a team of three talented frontend developers, ensuring that we followed clean coding practices and maintained high-quality standards across all projects.
• ## Key Achievements
• Served as both Frontend Team Lead and Tech Lead 👨‍💻
• Improved site performance by 70% through code and infrastructure optimization ⚙️
• Achieved a 40% increase in sales with the new site infrastructure 💰
• Built a PWA app that drove an additional 50% sales growth 📱
• Managed and guided a team of 3 frontend developers 👥

Mar 2020 – Dec 2020 · 9 mos

• In this project, I was responsible for building the frontend infrastructure of the company’s website using React.js. My main goal was to create a strong, scalable foundation that would make future development faster and more reliable.
• I also led the implementation of the website’s new design, ensuring a fresh, modern, and user-friendly look that matched the company’s brand identity.
• As part of this process, I developed and applied a Design System — a structured plan that unified colors, typography, components, and overall UI patterns. This made the development process more consistent and efficient across the entire product.
• ## Highlights
• Built the frontend infrastructure of the site using React.js ⚙️
• Implemented a new, modern UI to enhance user experience and brand appeal 🎨
• Created and rolled out a Design System to standardize components and speed up future development 🧩

Mar 2019 – Mar 2020 · 1 yr

• In this role, I focused on enhancing the user interface and improving the overall user experience. I applied UI updates and implemented redesigns to make the site more intuitive, modern, and visually appealing.
• I also worked on fixing errors and adding new features, ensuring that the site remained stable, high-performing, and aligned with user needs. This involved close collaboration with designers and backend developers to deliver seamless updates.
• ## Key Highlights
• Applied UI changes and redesigns for a cleaner, more user-friendly interface 🎨
• Fixed bugs and implemented new features to enhance site functionality ⚙️
• Collaborated with design and backend teams to ensure smooth, high-quality updates 🤝

Aug 2016 – Mar 2017 · 7 mos

• During this period, I focused on expanding my technical skills and gaining practical experience in different areas of development.
• I started learning Java to build Android applications and strengthen my mobile development knowledge. I also implemented several CMS projects, which helped me understand content management systems and real-world application requirements. Additionally, I designed and implemented website UIs, improving both my frontend skills and my understanding of user experience.
• ## Highlights
• Learned Java for Android development 📱
• Implemented multiple CMS projects 🖥️
• Built and enhanced website UIs to improve usability and design 🎨

May 2015 – Aug 2016 · 1 yr 3 mos

• I joined as a backend developer, focusing on learning and applying new technologies while contributing to real projects. During this time, I studied ASP.NET MVC and C#, gaining foundational knowledge in backend development.
• I also implemented several websites, using HTML, CSS, and jQuery to create responsive, functional, and user-friendly interfaces. This experience helped me bridge the gap between frontend and backend development and strengthened my full-stack skills.
• ## Highlights
• Learned ASP.NET MVC and C# for backend development ⚙️
• Developed websites with HTML, CSS, and jQuery 🖥️
• Gained experience integrating frontend and backend functionalities 🤝

Jan 2015 – May 2015 · 4 mos

• I worked on implementing websites based on PSD designs, turning visual mockups into fully functional web pages. Using Photoshop, I also designed and refined UI elements to ensure the interfaces were visually appealing, consistent, and user-friendly.
• ## Highlights
• Converted PSD designs into responsive websites 🖥️
• Created and improved UI designs using Photoshop 🎨
• Focused on clean, user-friendly interfaces ⚡