Sergey Romanenko Email & Phone Number

As an instructor for online learning at Stepik, I deliver comprehensive programming courses, sharing my knowledge and extensive experience in the field. My mission is to provide students with well-rounded and up-to-date knowledge necessary for a successful career in software development.I actively engage with students through the Stepik online platform, creating structured courses that facilitate a deep understanding and mastery of key programming concepts. My approach is geared towards stimulating interest and active learning, contributing to more effective education.Constantly monitoring the latest trends and advancements in programming, I ensure that my courses remain relevant and meet the industry's modern requirements. My educational material aims not only to impart technical skills but also to cultivate practical abilities essential for the successful application of knowledge in real-world projects.My teaching skills encompass not only technical expertise but also the ability to communicate effectively with a diverse audience. My work on the Stepik platform seeks not only to provide students with knowledge but also to inspire them to continuously strive for self-improvement and the achievement of their goals in the field of software development.Published courses: JavaScript Basic Level, JavaScript Advanced Level, JavaScript Simulator, JavaScript Tests, SQL Basic Level, Python Simulator, Go Simulator, PHP Simulator, Kotlin Simulator, SQL Introduction, Markdown.My courses have reached 10K+ students.Issued 900+ certificates.Received 300+ reviews.Awards:Winner of the Stepik Award 2023 in the "Breakthrough of the Year" category.The course "SQL Introduction" listed among the best courses of 2023!

In my role as a mentor at Solvery, I guide and support young professionals in their pursuit of honing programming skills and achieving goals in the dynamic field of information technology.My responsibilities encompass a broad spectrum, ranging from providing recommendations and practical advice to offering training in various aspects of programming. My goal is to assist each mentee in unlocking their full potential, supporting them in the process of learning and development.My approach involves individualized training tailored to the specific needs of each professional. I provide detailed guidance based on my programming experience, along with long-term support to effectively overcome challenges.My mentoring experience enhances my ability to inspire and guide newcomers, providing them with the necessary knowledge and confidence in their abilities.

In my role as an IT Consultant, I lead the development of full-stack applications, ensuring their high quality and performance. My responsibilities encompass a wide range of duties, spanning from development and testing to providing consultancy on information technologies.My achievements include active participation in the development of Open Source projects, highlighting my contribution to open-source development. Throughout my work, I have been involved in software architecture development and project management, facilitating the effective implementation of various solutions.Additionally, I have been engaged in mentoring. My activities also involved standardizing web interfaces, automating frontend and backend development processes, and creating project documentation.In the field of project localization, I successfully utilized Crowdin and Transifex, ensuring the multilingual capability of applications. My experience includes not only development but also testing, including API testing using tools like Postman and others, as well as functional testing in PHP and JavaScript.

As a developer involved in open-source projects, I actively contribute to the development, support, and testing of various projects. My focus is on creating high-quality software that is accessible to the community and geared towards open interaction.As an active participant on GitHub, I engage in project development by leveraging my coding skills and identifying/reporting potential improvements and issues.My technical skills span a broad range of technologies, including Symfony Framework, MySQL, SQL, Web Development, Front-end (JavaScript, CSS, HTML), PHP, REST APIs, and development tools such as Git, GruntJS, LESS, SASS, GulpJS, Parcel, Node.js. These skills enable me to effectively collaborate on diverse projects and make a meaningful contribution.My involvement in the open-source community extends to QA Engineering, where I strive to uphold a high standard of software quality. My activities go beyond coding; I actively ensure the reliability and security of the projects I engage with.Developed and maintain: Flextype, Flextype Plugins, Flextype Starter Kits, GlowyPHP, Faker JavaScript, Thermage, WordPress Extends, Craft Plugins, Assembler CSS Mixing, Monstra CMSContributed to: waterhole, kirby, leaf framework, phpfastcache, tailwind ecommerce, and others.

Kirovohrad, Ukraine

In the role of Senior Front End Developer at Onix-Systems, I successfully implemented advanced methodologies and technologies into web application development.My contributions included the development of internal frontend frameworks to ensure consistency and optimize the development process. Under my guidance, modular development was introduced, allowing for a more flexible approach to creating and updating the functionality of web applications.A key element of my work was the automation of frontend development and testing processes using tools such as GruntJS, GulpJS, Bower, and Webpack. This significantly increased the team's efficiency and ensured a high level of stability and reliability in the overall codebase of projects.In the realm of frontend architecture, I actively participated in designing highly efficient and scalable systems. Additionally, I led the standardization of web interfaces, ensuring a cohesive and modern appearance.My responsibilities also encompassed the development of project documentation, contributing to the ease of maintenance and understanding of the codebase. My skills included not only proficiency in JavaScript, CSS, and HTML but also the development and utilization of REST APIs and version control tools such as GIT and Mercurial.Furthermore, I actively collaborated with an international team, effectively communicating in English.

Kirovohrad, Ukraine

As a Front End Developer at Onix-Systems, I was involved in the development of frontend web applications, actively contributing to the creation of user-friendly interfaces. My responsibilities also included the creation and optimization of internal frontend frameworks, significantly improving the efficiency and consistency of our projects.One of the key aspects of my work was the standardization of web interfaces, ensuring a high level of quality and consistency in the appearance of our products. My frontend development skills encompassed proficiency in programming languages such as JavaScript, along with a deep understanding of CSS and HTML. These skills, combined with my knowledge in SEO, allowed me to create not only visually appealing and intuitive interfaces but also to ensure optimal visibility of our web applications in search engines.

Kirovohrad, Ukraine

I was engaged in developing individual plugins and themes for the WordPress platform. My work also involved using PHP in conjunction with frameworks such as Yii, Symfony, and CodeIgniter to ensure high performance and efficiency of the solutions being developed.During the development process, I actively applied my skills in working with various database technologies, such as PostgreSQL, MongoDB, and MySQL, allowing me to create flexible and scalable web applications.

Kirovohrad, Ukraine

From September 2005 to September 2010, I was involved in web development, using PHP to create various web projects utilizing WordPress, SMF, phpBB, PunBB, and CodeIgniter. My expertise in PHP allowed me to effectively tackle tasks and build functional and dynamic websites.In addition to this, I also engaged in software development using Borland Delphi and Free Pascal. This involved creating custom software solutions for the Windows operating system.My experience also encompassed game development and the creation of game engines. A significant part of my activities was founding and leading the PASCALGAMES dot NET community, where I published articles and other materials about game development.