Erik Sitnikov

Freelance experience in developing numerous websites and custom projects for various clients. Development of complete web applications using modern technologies such as Node.js, Express, and React. API design, front-end/back-end integration, and implementation of architectures tailored to project needs.

Specialization in the Shopify ecosystem: creation and customization of online stores, development of Shopify applications, use of Theme App Extensions (TAE), and integration of e-commerce functionalities.

Experience in automation and scripting with the Chrome ecosystem using browser automation tools (like Puppeteer) to test, automate, and execute specific actions in the browser.

Involvement in the entire project lifecycle: needs analysis, development, optimization, maintenance, and deployment.

Full-stack web developer training. Acquired skills in designing and architecting web applications, analyzing client needs, and writing functional and technical specifications. Learned best practices in development, project management, and agile methodologies.

Proficiency in the fundamentals of front-end development (HTML, CSS, JavaScript, responsive interfaces, UI/UX integration) and back-end (APIs, databases, server logic). Experience in creating complete websites and web applications, optimizing performance, and maintaining and deploying applications.

Awareness of security, versioning with Git, testing, debugging, and code quality principles.