Vova
Vova Kusakin
Full stack Developer | ReactJs 4+ | Web 10+
📞 Contacts
| telegram | @kusakinvova |
| kusakinvova@gmail.com | |
| github | https://github.com/kusakinvova |
| https://www.linkedin.com/in/kusakinvova/ |
📝 Summary
Full Stack Developer with over 10 years of experience in the IT industry.
Specializes in building and launching projects from scratch. Successfully refactored large-scale systems and implemented architectural improvements, increasing development speed by 30–50% and doubling the number of orders while maintaining performance and reliability.
Proficient in JavaScript, TypeScript, React, PHP, Node.js, and other technologies, consistently delivering high-quality, scalable solutions in fast-paced and dynamic environments.
🧩 Skills
ReactJs, Next.js, Node.js, Redux, RTK Query, jQuery, TypeScript, HTML5, CSS3, Bootstrap, Materialize, SCSS(Sass), Vue, JavaScript, PHP(1С-Bitrix, Joomla, Drupal, Wordpress, Simpla, Symphony), MySQL, Python (Django), PostgreSql, Git, Mercurial(HG), Docker (Docker composer), Bash, LAMP, Webpack, Eslint, Socket.IO, REST API.
👨💻 Experience
| 08.2022 — present | Front-end Developer Extrachain |
| 04.2024 — 04.2025 | Full stack Developer NDA |
| 04.2017 — 07.2022 | Full stack Developer Teletrade |
| 07.2014 — 04.2017 | Full stack Developer Freelance |
| 04.2013 — 06.2014 | Full stack Developer Ltd STIB |
| 05.2012 — 03.2013 | Engineer of the department of automated technical processes PJSC «AVDIIVKA COKE PLANT» |
07.2022 — present Front-end developer
Company: Extrachain https://extrachain.io/ – Blockchain Infrastructure and Decentralized Storage Development Company (“ExDFS”)
Duties:
- designed and developed frontend architecture for two multilingual social networks with a focus on scalability and high performance;
- conducted code reviews to ensure quality, readability, and adherence to team standards;
- participated in technical interviews for developers joining the team and related internal projects;
Achievements:
- built the frontend architecture of a social network from scratch, ensuring stable performance under high load;
- implemented a real-time chat using Socket.IO for instant messaging between users;
- integrated fiat and cryptocurrency payment systems, providing flexible monetization options;
- delivered core social network modules, including authentication, registration, referral program, monthly subscription, donations, and post creation/editing;
- migrated the project to Next.js, adapting the architecture for server-side rendering (SSR) and updated business logic;
Tech Stack: ReactJs, Next.js, JavaScript (ES6), TypeScript, Redux Toolkit, RTK Query, Socket.IO, SCSS, ESLint, HTML5, CSS3, Sass
04.2024 — 04.2025 Full stack developer
Company: NDA - A major supplier of tires and wheels from leading global manufacturers
Duties:
- developed and maintained a CRM system (B2B/SaaS) for managing service center staff operations — from interface design to implementing business logic;
- optimized the document printing microservice to enhance performance and expand functionality for internal users;
- refactored legacy code to improve system stability, readability, and maintainability;
Achievements:
- improved CRM performance by 20% through a complete redesign of the client side using Material UI and modern UX patterns;
- standardized UI components, reducing duplication and accelerating the development of new features;
- automated request processing workflows, cutting down manual operations and reducing handling time by 30%;
- decreased bug count by 70% by rewriting critical legacy modules;
- halved the document generation time by introducing TypeScript, restructuring the microservice architecture, and boosting overall performance;
Tech Stack: JavaScript, TypeScript, ReactJs, Node.js, Express.js, PHP (Yii2), Docker, MySQL
04.2017 — 07.2022 Full stack Developer
Company: Teletrade https://www.teletrade.org/
Duties:
- developed and enhanced company websites, including building new sections and improving user experience;
- created modules, plugins, components, and templates for various CMS platforms;
- developed and maintained Telegram and Viber bots to automate customer interactions;
- configured and maintained company web hosting servers;
Achievements:
- optimized website performance by rewriting UI using functional React components, improving maintainability and speed;
- built over 10 multilingual websites from scratch using PHP, JavaScript, WordPress, Drupal, and 1C-Bitrix;
- integrated CRM systems with all corporate websites to automate client data collection;
- added interactive stock and currency charts to websites, enhancing visual analytics (JavaScript);
- created a paid messaging service for the Telegram bot using Python;
- enabled real-time display of currency and stock charts directly within the Telegram bot (Python);
- developed a product card generator with QR codes and barcodes from Excel files (Python);
- redesigned websites and added new features using Symfony 2.7;
- set up and configured 3 servers for reliable corporate hosting;
- developed and refactored several Vue components, improving code readability and reusability;
Tech Stack: ReactJs, JavaScript (ES6), TypeScript, Vue.js, jQuery, CSS3, Sass, HTML5, PHP (CMS, Symfony), Python (Django), Node.js, PostgreSQL, MySQL, Docker, Docker Compose, LAMP, Git, Mercurial (Hg), Webpack, ESLint, Bash;
08.2014 — 04.2017 Full stack Developer
Freelance
Duties:
- developed, maintained, and enhanced websites of varying complexity for clients across different industries;
- created modules, plugins, components, and templates for popular CMS platforms;
- administered and provided technical support for websites, including hosting and domain configuration;
- performed SEO optimization, including technical audits, page speed improvements, and structured data implementation;
- integrated websites with CRM systems, third-party services, and APIs (e.g., contact forms, data submission);
- set up web analytics tools such as Yandex.Metrica and Google Analytics, including goal and event tracking;
Tech Stack: JavaScript (ES6, jQuery), CSS3, HTML5, Bootstrap, Materialize, PHP (1C-Bitrix, Joomla, WordPress, Drupal, Simpla), MySQL, Git, Bash, LAMP;
04.2013 — 07.2014 Full stack Developer
Company: Ltd STIB http://stib.com.ua/
Duties:
- developed, maintained, and supported the company’s websites;
- created custom modules, plugins, components, and templates tailored to specific business needs;
- supported and enhanced the internal “Ticketing System” for a basketball team, adding new features and improving UX;
Achievements:
- implemented a bonus system in the “Ticketing System,” increasing user engagement and repeat purchases;
- completed specialized training courses, enabling the company to achieve certified partner status;
- developed and launched a product rating system, enhancing user engagement and interaction with content;
Tech Stack: JavaScript, jQuery, CSS, HTML, PHP (WordPress, 1С-Bitrix, Drupal), MySQL;
05.2012 — 03.2013 Engineer ATP
PJSC «AVDIIVKA COKE PLANT» https://akhz.metinvestholding.com/
Duties:
- developed automated process control systems (APCS) based on Siemens microcontrollers;
- designed and implemented client-server applications for tracking and automating business processes;
- provided technical support and configuration for industrial controllers from Siemens and Schneider Electric;
Achievements:
- developed and deployed a client-server application for IT asset management, automating inventory and equipment tracking;
- designed and implemented an “Automated Drilling System” based on a Siemens CPU 315-2 PN/DP controller, significantly increasing precision and reducing human error in production;
🤝 Volunteer Experience
| 2025 | Education Mentor The Rolling Scopes School EPAM Mentored four students through the “Front-end Development” course. Responsibilities included code review, mock interviews, live coding sessions, and resume building assistance. |
🎓 Education
Online education
| 2021 | JAVASCRIPT/FRONT-END The Rolling Scopes School EPAM |
| 2013 | Bitrix Framework Developer Ltd “1C-Bitrix” |
| 2013 | Basic CSS NOU “INTUIT” |
| 2010 | Java Fundamental Java Fundamental сourses powered by Sun Microsystems DonNTU UNITECH |
Higher education
| 2005 — 2011 | Master’s degree University: Donetsk National Technical University Faculty: Computer Sciences and Technologies (CST) Department: Automated Control Systems (ACS) Speciality: Information Control Systems and Technologies (ICS) |
📚 Languages
- English - B1/B2
- Russian - C2
- Ukrainian - C1