Олександр

Koniev Oleksandr 15.01.1986 (Lviv)​ ​ ​ ​ ​

Frontend Developer React.js Next.js Strapi

Russian, Ukrainian - Native

English - Pre intermediate (A2/B1)​ ​ ​ ​ ​ ​ Linkedin

Polish - Pre intermediate (A2/B1)​ ​ ​ ​ ​ ​ Github

Phone: [open contact info](look above in the "contact info" section)​ ​ ​ ​ ​ ​ ​ Codewars

Telegram @konev1586​ ​ ​ ​ ​ ​ Portfolio

E-mail: [open contact info](look above in the "contact info" section))​ ​ ​ ​ ​ My YouTube channel

Summary
Experienced Frontend Developer with a strong background in building scalable SPAs using React.js, Next.js, Solid.js, and Svelte.
Skilled in full-stack basics (Strapi CMS, API development, MySQL) and modern deployment workflows (CI/CD, Docker, Nginx).
Passionate about high-quality UI/UX, performance optimization, SEO, and modern JavaScript/TypeScript development.
5+ years of production experience across startups, agencies, and freelance projects.

Skills Highlights:

- Strong expertise with React.js, Next.js, and Strapi CMS.

- Proficient in responsive design, SEO, and performance optimization.

- Solid experience with server deployment, Docker/PM2, and CI/CD automation.

Skills

Programming languages: JavaScript (ES6+), TypeScript, PHP (basic)

Frameworks and libraries: React.js, Next.js, Redux Toolkit, Solid.js, Svelte.js, Vue.js

Backend and CMS:Strapi CMS, WordPress (ACF, WPBakery), API integration (REST)

Dev tools: Git, Gulp, Postman, GitHub Copilot, CI/CD (GitHub Actions)

Databases: MySQL, MongoDB (basic usage)

Technologies: Tailwind, Bootstrap, HTML5, CSS3, SCSS/SASS/LESS, JSX, Responsive Design, SEO Optimization

Deployment & Servers: Linux server administration, Nginx setup, Docker basics, HTTPS configuration
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Experience
Founder & Frontend Developer · Aleksar · Lviv, Ukraine ​ ​ ​ ​ ​ ​ Dec 2024 — Present

●​ Developed and maintained single-page applications (SPA) using React.js, Next.js, and Strapi CMS.​

●​ Set up and optimized backend API (Strapi 5) and frontend (Next.js 14+) communication, including localization, pagination,
and dynamic content loading (React Query, SWR).​

●​ Implemented SEO best practices (server-side rendering, dynamic metadata).​

●​ Deployed full-stack applications with CI/CD workflows, Docker, PM2, Nginx, HTTPS security (DevOps responsibilities).​

●​ Managed domain infrastructure, multisite architecture, and server administration (Linux, MySQL).​

●​ Acted as Project Manager: created Jira boards, managed sprint planning, task tracking, retrospectives.​

●​ Handled Client Management: communicated directly with clients, gathered requirements, managed expectations.​

●​ Performed basic accounting and administrative tasks, including financial reporting and studio operations management.

Tech stack: TypeScript, React.js, Next.js, React Query, Strapi CMS, Node.js, MySQL, Nginx, Docker, PM2, CI/CD, DevOps practices.

Middle React Developer OXCompany · Lviv, Ukraine ​ ​ ​ ​ ​ ​ Aug 2024 — Dec 2024 (5 m)

●​ Built and optimized SPA using React.js and Redux Toolkit.​

●​ Developed reusable UI components, integrated APIs, handled client-side routing etc​

●​ Applied unit testing practices and worked closely with designers and backend teams.

Tech stack: React.js, Redux Toolkit, TypeScript, JavaScript, React Router, React Query.

Frontend Developer Scimus · Lviv, Ukraine ​ ​ ​​ ​ ​ ​ May 2022 — Dec 2023 (1,8 y)

●​ Developed scalable SPAs using React.js and Solid.js frameworks.​

●​ Migrated legacy React Router v5 to v6, optimized client-side routing and code splitting.​

●​ Wrote unit tests with Jest and Testing Library to ensure application quality.

Tech stack: React.js, Solid.js, Redux, TypeScript, Jest, React Router.​

Frontend Developer Mbicycle · Mykolayiv, Ukraine ​ ​ ​ ​ ​ ​ Oct 2021 — May 2022 (7 m)

●​ Focused on SPA development with React.js, Redux Toolkit.​

●​ Implemented responsive design, reusable components, state management.​

●​ Developed and maintained unit tests.

Tech stack: React.js, Redux Toolkit, TypeScript, Jest.​
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Frontend Developer PixLab · Mykolayiv, Ukraine ​​ ​ ​ ​ ​ ​ Dec 2020 — May 2021 (5 m)

●​ Created SPAs using Svelte.js and vanilla JavaScript.​

●​ Worked with modern CSS/SCSS standards and GIT workflow.

Tech stack: Svelte.js, JavaScript ES6, HTML5, SCSS, GIT.​

WordPress Developer nFinity.pl · Wroclaw, Poland ​ ​ ​ ​ ​ ​ Sep 2019 — Dec 2021 (1,3 y)

●​ Converted mockup designs (Adobe XD) into responsive WordPress websites.​

●​ Built custom components with ACF (Advanced Custom Fields) and WPBakery Page Builder.​

●​ Developed interactive front-end features using JavaScript and jQuery.

Tech stack: WordPress, PHP, JavaScript, jQuery, Bootstrap 4, SCSS, Gulp, Webpack.​

Frontend Developer Filancy · Mykolayiv, Ukraine ​ ​ ​ ​ ​ ​ ​ Oct 2015 — Aug 2020 (4 y)

●​ Converted PSD designs into pixel-perfect HTML/CSS/JS web pages.​

●​ Created HTML email templates and interactive web animations.

Tech stack: HTML5, CSS3, LESS/SASS, JavaScript, jQuery, PHP, WordPress, Gulp, Git, Figma.​

Full-Stack Developer Red Cat · Mykolayiv, Ukraine ​ ​ ​ ​ ​ ​ Jan 2013 — Jan 2014 (1 y)

●​ Converted PSD to HTML layouts and developed websites on CMS Joomla.

Tech stack: HTML, CSS, PHP, Joomla.

Education

Web Designer & Web Developer – Computer Academy "Step", Mykolaiv (2014)

The Complete JavaScript + React/Redux Course – Udemy (2021)

HTML/CSS/JavaScript Fundamentals – SoftServe (2024)

JavaScript Fundamentals – SoftServe (2024)

JavaScript Advanced – ScriptJedai42 (2024)