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Hi, I’m Nataliia Petrychuk, a front-end developer with hands-on experience in React.js, Next.js, and responsive web applications. I enjoy turning design concepts into accessible, pixel-perfect interfaces and collaborating with designers, developers, and stakeholders in Agile environments to deliver value for government and enterprise clients. I thrive on building reliable, scalable UI solutions, optimizing performance and accessibility, and embracing AI-assisted tools to accelerate prototyping and delivery. I’m always keen to learn new technologies and contribute to diverse teams to create meaningful user experiences.…Hi, I’m Nataliia Petrychuk, a front-end developer with hands-on experience in React.js, Next.js, and responsive web applications. I enjoy turning design concepts into accessible, pixel-perfect interfaces and collaborating with designers, developers, and stakeholders in Agile environments to deliver value for government and enterprise clients. I thrive on building reliable, scalable UI solutions, optimizing performance and accessibility, and embracing AI-assisted tools to accelerate prototyping and delivery. I’m always keen to learn new technologies and contribute to diverse teams to create meaningful user experiences.

Nataliia Petrychuk

Web Developer, Programmer, Full Stack Developer, +4

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Hi, I’m Nataliia Petrychuk, a front-end developer with hands-on experience in React.js, Next.js, and responsive web applications. I enjoy turning design concepts into accessible, pixel-perfect interfaces and collaborating with designers, developers, and stakeholders in Agile environments to deliver value for government and enterprise clients. I thrive on building reliable, scalable UI solutions, optimizing performance and accessibility, and embracing AI-assisted tools to accelerate prototyping and delivery. I’m always keen to learn new technologies and contribute to diverse teams to create meaningful user experiences.…Hi, I’m Nataliia Petrychuk, a front-end developer with hands-on experience in React.js, Next.js, and responsive web applications. I enjoy turning design concepts into accessible, pixel-perfect interfaces and collaborating with designers, developers, and stakeholders in Agile environments to deliver value for government and enterprise clients. I thrive on building reliable, scalable UI solutions, optimizing performance and accessibility, and embracing AI-assisted tools to accelerate prototyping and delivery. I’m always keen to learn new technologies and contribute to diverse teams to create meaningful user experiences.

Available to hire

Hi, I’m Nataliia Petrychuk, a front-end developer with hands-on experience in React.js, Next.js, and responsive web applications. I enjoy turning design concepts into accessible, pixel-perfect interfaces and collaborating with designers, developers, and stakeholders in Agile environments to deliver value for government and enterprise clients.

I thrive on building reliable, scalable UI solutions, optimizing performance and accessibility, and embracing AI-assisted tools to accelerate prototyping and delivery. I’m always keen to learn new technologies and contribute to diverse teams to create meaningful user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Ukrainian

Fluent

Russian

Fluent

Work Experience

Full Stack Developer (Freelance) at SensePower Digital

August 1, 2023 - Present

Built full-stack web applications for clients including Checkbox Legal, Flat Fee Conveyancing, Visa Australia Online, and ORA-AID. Implemented responsive React.js and Next.js front-ends with pixel-perfect designs. Designed and implemented RESTful APIs (Node.js/Express) with integrations to Calendly, MailChimp, and CMS. Improved SEO and accessibility with structured data, schema markup, and performance optimizations. Version control with GitHub and collaborative workflows.

Founder / Developer at ExpertLash Platform

January 1, 2025 - Present

Designed and developed a Telegram bot with a web mini-app for subscription-based e-learning. Integrated Stripe and PayPal for secure payments and recurring billing. Built Supabase (PostgreSQL) database layer with user & subscription models. Developed front-end dashboard (Next.js) with modules, video lessons, and reactions/Q&A features. Implemented authentication & subscription validation for group access.

Senior Quality Assurance Engineer at Foxteam Digital

August 1, 2021 - Present

Led QA testing for Ukraine’s largest online retailer (foxtrot.com.ua). Developed and executed test cases for payments, orders, delivery, CMS, and referral systems. Improved engagement by enhancing tracking, resulting in 30% more conversions. Applied data-driven testing and analytics to increase regional product revenue by 4%.

Quality Assurance Engineer at Miber AB

May 1, 2020 - August 1, 2021

End-to-end testing for EdTech SaaS platform. Verified UI/UX workflows, multi-browser/device functionality, and API responses.

Junior QA Engineer at UVOTEAM

February 1, 2018 - May 1, 2020

Managed QA for multilingual academic platforms. Performed manual testing & release management via Git.

Front-end Developer / Full Stack Developer at SensePower Digital

August 1, 2023 - Present

Designed and developed responsive, adaptive web applications using React.js and Next.js, ensuring pixel-perfect implementation of Figma designs. Built interactive components and dynamic interfaces focused on user experience and cross-browser compatibility. Refactored UI code for performance, maintainability, and scalability. Integrated REST APIs and third-party services (Calendly, MailChimp, CMS), validated API responses, and handled errors securely.

QA Lead at Foxteam Digital

August 1, 2021 - Present

Led end-to-end manual quality assurance for a large-scale e-commerce platform with a team of 11 engineers. Designed, executed, and maintained system, integration, regression, and exploratory test suites. Collaborated with developers, business analysts, product owners, and other departments to align testing with business requirements. Supported CI/CD workflows and smoke testing, and produced test reports and release readiness metrics.