Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Sergei Kalinichenko, an SEO Content Manager and WordPress specialist based in Ireland, with 14+ years of hands-on experience in SEO-driven publishing, WordPress content management, on-page optimization, content QA, and website administration. I have a strong practical background in building structured, search-friendly pages, managing publishing workflows, optimizing metadata and internal links, and using SEO tools to improve page quality.…I'm Sergei Kalinichenko, an SEO Content Manager and WordPress specialist based in Ireland, with 14+ years of hands-on experience in SEO-driven publishing, WordPress content management, on-page optimization, content QA, and website administration. I have a strong practical background in building structured, search-friendly pages, managing publishing workflows, optimizing metadata and internal links, and using SEO tools to improve page quality.

Sergei Kalinichenko

Content Creator, Content Strategist, CMS Developer, +3





I'm Sergei Kalinichenko, an SEO Content Manager and WordPress specialist based in Ireland, with 14+ years of hands-on experience in SEO-driven publishing, WordPress content management, on-page optimization, content QA, and website administration. I have a strong practical background in building structured, search-friendly pages, managing publishing workflows, optimizing metadata and internal links, and using SEO tools to improve page quality.…I'm Sergei Kalinichenko, an SEO Content Manager and WordPress specialist based in Ireland, with 14+ years of hands-on experience in SEO-driven publishing, WordPress content management, on-page optimization, content QA, and website administration. I have a strong practical background in building structured, search-friendly pages, managing publishing workflows, optimizing metadata and internal links, and using SEO tools to improve page quality.

Available to hire

I’m Sergei Kalinichenko, an SEO Content Manager and WordPress specialist based in Ireland, with 14+ years of hands-on experience in SEO-driven publishing, WordPress content management, on-page optimization, content QA, and website administration.

I have a strong practical background in building structured, search-friendly pages, managing publishing workflows, optimizing metadata and internal links, and using SEO tools to improve page quality.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

Ukrainian

Fluent

Russian

Fluent

English

Intermediate

Work Experience

PageLint - SEO & Content QA Tools Creator / WordPress & SEO Content Lead at PageLint.app

June 1, 2026 - Present

Created and launched PageLint, a practical SEO and content QA website for content managers, SEO editors, and WordPress publishers. Planned and structured tools for metadata, H1 structure, hidden characters, mixed language issues, schema markup, on-page checks, content briefs, and refresh planning. Created SEO-focused tool pages, guide content, internal linking, content clusters, metadata, and publishing workflows. Managed WordPress setup, page structure, UX improvements, SEO content planning, technical content writing, and ongoing site updates.

Freelance SEO Content Manager & WordPress Specialist at Independent WordPress & SEO Projects

June 1, 2012 - Present

Created, edited, and published 1000+ SEO-optimized articles across WordPress websites. Managed WordPress sites, including site structure, pages, categories, tags, menus, internal links, and publishing workflows. Built and optimized landing pages, tool pages, blog posts, SEO guide pages, and content clusters. Optimized meta titles, meta descriptions, headings, URL structure, image alt text, internal links, and on-page content blocks. Configured SEO and content plugins (Yoast SEO, WPML, contact forms, analytics tools, and schema-related elements). Worked with Google Search Console, Google Analytics / GA4, Ahrefs, and Screaming Frog to monitor indexing, technical issues, content performance, and page quality. Performed light HTML/CSS edits for content blocks, widgets, banners, buttons, layout improvements, and publishing fixes. Supported multilingual content workflows, localization tasks, editorial QA, and website updates across multiple niches.

Freelance Content Manager & WordPress Administrator at Self-employed

January 1, 2012 - June 5, 2024

Published over 1000+ SEO-optimized articles across WordPress sites. Developed site structure, customized WP themes, and managed content lifecycles. Set up Google tools including Search Console, Analytics, and Tags. Implemented multilingual support using WPML and WP Glopus. Wrote and edited long-form content structured with semantic markup. Integrated plugins, tracked performance, and performed light UI improvements. Created visuals and banners for blog posts and landing pages. Worked across multiple niches including eCommerce, tech, lifestyle, and wellness.