Sergey Alexeev Email & Phone Number

EdTech platform development using React and TypeScript.My primary focus in this domain is enhancing the developer experience through the adoption of modern tools and practices, including test-driven development, design patterns, and contemporary frontend architecture solutions such as feature-sliced design.I take an active role in streamlining the development process by overseeing technical reviews, facilitating project decomposition, and providing accurate estimations. My… Show more EdTech platform development using React and TypeScript.My primary focus in this domain is enhancing the developer experience through the adoption of modern tools and practices, including test-driven development, design patterns, and contemporary frontend architecture solutions such as feature-sliced design.I take an active role in streamlining the development process by overseeing technical reviews, facilitating project decomposition, and providing accurate estimations. My commitment to improving these aspects ensures efficient and high-quality project execution. Show less

Developing VIP betting platform using React, TypeScript, and WebSockets.My responsibilities included:Developing new features and providing support for legacy code.Collaborating closely with analysts and designers to translate their vision into functional and visually appealing components of the platform.Maintaining effective communication with backend developers to discuss API integrations, data schemes, and other technical aspects, fostering seamless cooperation… Show more Developing VIP betting platform using React, TypeScript, and WebSockets.My responsibilities included:Developing new features and providing support for legacy code.Collaborating closely with analysts and designers to translate their vision into functional and visually appealing components of the platform.Maintaining effective communication with backend developers to discuss API integrations, data schemes, and other technical aspects, fostering seamless cooperation between frontend and backend teams.Conducting thorough code reviews to maintain code quality and consistency across the platform. Show less

Moscow, Russian Federation

As a lead frontend developer, I played a pivotal role in the frontend development of an online platform for selling bus tickets. I achieved significant milestones, including:- Introducing a Test-Driven Development (TDD) approach and implementing a zero-bug policy within the team.- Optimizing client-side rendering through code splitting to enhance the platform's performance and reduce load times.- Improving Lighthouse metrics, focusing on areas such as common layout… Show more As a lead frontend developer, I played a pivotal role in the frontend development of an online platform for selling bus tickets. I achieved significant milestones, including:- Introducing a Test-Driven Development (TDD) approach and implementing a zero-bug policy within the team.- Optimizing client-side rendering through code splitting to enhance the platform's performance and reduce load times.- Improving Lighthouse metrics, focusing on areas such as common layout shifts and time to first interaction to ensure a smoother user experience.- Optimizing server-side rendering by implementing BFF (Backend for Frontend) with cache, improving overall response times and efficiency.- Implementing performance metrics collection to Prometheus and creating visualization dashboards in Grafana to monitor and continuously improve the platform's performance.- Successfully deploying the application to the OpenShift platform, ensuring scalability and reliability.- Introducing a design system to the application, providing a consistent and user-friendly interface.In addition to my technical contributions, I also took on various management responsibilities, including:- Conducting performance reviews and one-to-one meetings to support team members in their professional growth.- Conducting technical interviews for frontend developers.- Participating as a speaker in local company meetings, sharing knowledge such as NextJS, RxJS to foster a culture of learning and collaboration.- Leading Growth Hacking activities, driving initiatives to enhance user acquisition and engagement. Show less

In this role, my responsibilities encompassed a diverse range of tasks, including:- Implementing JavaScript components: I developed JavaScript components for various frameworks, including React, Knockout, and JQuery.- Building huge JavaScript components: I successfully implemented complex JavaScript components using technologies such as React, MaterialUI, and Bootstrap.- Creating Visual Studio IDE extensions.- Developing a documentation system using ASP.NET MVC… Show more In this role, my responsibilities encompassed a diverse range of tasks, including:- Implementing JavaScript components: I developed JavaScript components for various frameworks, including React, Knockout, and JQuery.- Building huge JavaScript components: I successfully implemented complex JavaScript components using technologies such as React, MaterialUI, and Bootstrap.- Creating Visual Studio IDE extensions.- Developing a documentation system using ASP.NET MVC and C#.- Mentoring less experienced colleagues. Show less

Developing web-sites and CRM systems using PHP, MySQL and JavaScript.

Developing web-sites using PHP, MySQL, HTML, CSS and JavaScript.