
Artur Y
Fast High Converting Nextjs and React Web Apps for Modern Brands
Skills

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Portfolio
Work experience
Full-Stack Next.js Developer | SDD Spec-Driven AI SDLC & TDD | SEO/GEO
Empowering Literary Success • Self-employed
Dec 2023 - Present • 2 yrs 10 mos
Architect and deliver high-performance JAMstack architectures, scalable web applications, and SaaS platforms for startups and international businesses. Key Responsibilities & Achievements: - Engineered modern JAMstack web applications using Next.js (App Router), React, TypeScript, and Tailwind CSS with a strict focus on speed, modularity, and clean architecture. - Implemented advanced Technical SEO and GEO (Generative Engine Optimization / Geo-targeted search) strategies, incorporating structured data (JSON-LD Schema), semantic HTML5, and automated sitemaps for top visibility across Google and modern AI search engines. - Applied Test-Driven Development (TDD) workflows across frontend and backend modules to guarantee rock-solid stability and zero regressions. - Utilized a Spec-Driven AI SDLC workflow coupled with a disciplined AI harness and automated linting to safely accelerate development velocity. - Converted complex Figma designs into responsive, pixel-perfect, accessible components achieving consistent 95+ Google Lighthouse and Core Web Vitals scores. - Integrated headless CMS architectures, serverless Node.js backends, PostgreSQL, Supabase, and resilient RESTful APIs.
Frontend & WordPress Web Developer
Freelance • Freelance
Aug 2016 - Present • 10 yrs 2 mos
Delivered custom responsive websites, high-converting landing pages, and tailored WordPress solutions for international small-to-medium businesses and marketing agencies. Key Responsibilities & Achievements: - Engineered custom, lightweight WordPress themes and templates from Figma/PSD designs using modern PHP, JavaScript (ES6), HTML5, and modular CSS/SASS. - Built dynamic content architectures utilizing Advanced Custom Fields (ACF Pro) and Custom Post Types, creating intuitive backend administration panels for non-technical clients. - Conducted comprehensive on-page and Technical SEO setups, implementing structured microdata (Schema.org), semantic page structures, and Core Web Vitals optimizations. - Optimized website performance by streamlining database queries, configuring server-side caching, and minifying scripts to achieve sub-second load times. - Integrated WooCommerce architectures, custom payment gateways, and third-party REST APIs for e-commerce and lead generation platforms. - Guaranteed strict cross-browser consistency, mobile-first responsiveness, and automated backup/security protocols across all client deliverables.
Front-End Web Developer
Front Desk Helpers CO • Part-time
Aug 2021 - Aug 2026 • 5 yrs
Delivered custom web development, robust CMS implementations, and advanced Technical SEO solutions for international agency clients across diverse industries. Key Responsibilities & Achievements: - Engineered, customized, and maintained responsive WordPress websites, bespoke templates, and landing pages utilizing clean PHP, JavaScript (ES6), HTML5, and CSS. - Implemented rigorous Technical SEO frameworks: structured data microformats (JSON-LD / Schema.org), site architecture auditing, crawl budget optimization, and Core Web Vitals speed tuning. - Designed and configured business-oriented web solutions on modern CMS platforms (WordPress and custom Wix architectures), ensuring full mobile responsiveness and intuitive administrative workflows. - Conducted comprehensive site audits to resolve indexing bottlenecks, rendering bugs, on-page canonicalization issues, and cross-browser discrepancies. - Partnered closely with international marketing managers and SEO specialists to directly boost organic search rankings, site speed, and conversion metrics.