You will get Web App | Next.js | React.js | JavaScript | TypeScript
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Project details
I specialize in building modern web applications using Next.js, React.js, and JavaScript. My approach is focused on creating fast, scalable, and user-friendly solutions that help businesses achieve real results. By leveraging SSR and SSG in Next.js, I can optimize performance and SEO, while React.js ensures dynamic, maintainable, and reusable UI components.
I work with both small websites and complex projects: corporate portals, SaaS applications, API integrations, dashboards, and e-commerce platforms. I always pay attention to clean code, best practices, and scalability, making sure the final product is easy to extend and maintain.
Clients value my clear communication and reliability: I discuss all requirements upfront, suggest optimal solutions, stick to deadlines, and provide support even after delivery. If you’re looking for a developer who can turn your idea into an efficient and modern web product, I’ll be glad to collaborate.
I work with both small websites and complex projects: corporate portals, SaaS applications, API integrations, dashboards, and e-commerce platforms. I always pay attention to clean code, best practices, and scalability, making sure the final product is easy to extend and maintain.
Clients value my clear communication and reliability: I discuss all requirements upfront, suggest optimal solutions, stick to deadlines, and provide support even after delivery. If you’re looking for a developer who can turn your idea into an efficient and modern web product, I’ll be glad to collaborate.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 15 days
- Number of Revisions 5
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MG
Michael G.
Nov 18, 2025
React / Next.js Developer for Custom Web Applications
TS
Trent S.
Oct 23, 2025
finalize an MVP for beta testing
This is my second project with Polina. I enjoy working with her, she is an excellent developer. Her skill set is top notch. She is extremely detail oriented and seeks perfection in what she does. It is a pleasure to work with her and I hope to do so again in the future. I would highly recommend her to anyone needing any frontend development.
TS
Trent S.
Sep 21, 2025
Initial Codebase Review & Effort Estimate
Polina did an excellent job! I would highly recommend her for any project
EM
Evgeny M.
Aug 26, 2025
Frontend Projects for Xometry
Great experience working with Polina!
About Polina
Next.js | Nextjs Developer | React js | React.js | Webflow | Web App
98%
Job Success
Alanya, Turkey - 10:49 am local time
⭐️⭐️⭐️⭐️⭐️
"The final product exceeded our expectations. The app is fast, responsive, and scalable. Polina responded quickly to feedback, implemented changes seamlessly, and ensured the codebase was clean and maintainable."
🎯 What I deliver as a React / Next.js Developer:
✔️ 6+ years of commercial experience across web, mobile, and enterprise applications
✔️ Expert in building high-performing, scalable, and maintainable front-end solutions using React, Next.js, and TypeScript
✔️ Full-stack development experience with Node.js, Express, Nest.js, PHP, Laravel, Symfony, and the MERN stack (MongoDB, Express, React, Node)
✔️ Extensive experience with databases including PostgreSQL, MySQL, MongoDB, and Redis, and working with GraphQL and REST APIs
✔️ Strong proficiency in front-end technologies: HTML5, CSS3, SASS, Tailwind CSS, Bootstrap, and responsive mobile-first design
✔️ Integration with third-party APIs and tools including Stripe, PayPal, Twilio, HubSpot, Odoo, Salesforce, and Google APIs
✔️ Expertise in building SaaS platforms, dashboards, landing pages, e-commerce websites, and AI-powered applications using React / Next.js
✔️ DevOps and infrastructure skills including AWS (Lambda, S3, Connect), CI/CD pipelines, Docker, Kubernetes, Cloudflare, DigitalOcean, and Linux-based server management
✔️ Hands-on experience with performance optimization, SEO-friendly architecture, accessibility, and security best practices
✔️ Building reusable React components, UI libraries, and scalable Next.js architecture to accelerate development and maintain consistency across large projects
✔️ Collaboration with designers, product managers, and QA teams to deliver functional, visually stunning, and production-ready React / Next.js applications
📊 Key Achievements in Numbers:
🔶 SaaS Dashboard for Logistics Company:
▪ Reduced page load times by 45% and optimized React components
▪ Improved dashboard usability, increasing adoption rates by 60%
▪ Streamlined workflows and automated reports, saving 30% of operational time
🔶 E-Commerce Store (Shopify + Next.js Front-End):
▪ Increased site speed by 3x, reducing bounce rates
▪ Optimized SEO and structured data for product pages
▪ Integrated payment gateways and custom API solutions for a seamless checkout
🔶 AI-Powered Application:
▪ Developed LLM-powered features in Next.js that reduced processing time by 35%
▪ Built scalable serverless architecture for heavy computational tasks
▪ Delivered real-time data visualization dashboards with React
🔶 Enterprise ERP / CRM Platform:
▪ Designed and implemented a full-stack React / Next.js solution with PostgreSQL
▪ Reduced operational costs by 38% through automation and optimized workflows
▪ Ensured cross-team collaboration and maintainable codebase for long-term scalability
💡 Why hire me?
▪ 6+ years in web development, React, Next.js, and full-stack applications
▪ 135+ projects delivered successfully for startups, e-commerce, SaaS, AI, fintech, and corporate clients
▪ Proven track record of delivering enterprise-grade solutions with startup speed
▪ Expertise in API integrations, third-party services, and custom backend solutions
▪ Strong collaboration with designers and product managers for pixel-perfect React / Next.js implementation
▪ Focus on performance, scalability, security, and maintainability
▪ Experienced with modern DevOps, CI/CD pipelines, and cloud infrastructure
▪ Skilled in responsive, mobile-first design and creating optimized user experiences
▪ Knowledge of SEO-friendly React / Next.js architecture, accessibility, and micro-interactions
▪ Ability to turn complex requirements into clean, maintainable, and scalable code
🚀 If you’re looking for a React / Next.js Developer who combines technical expertise, speed, and business-driven results - and can build production-ready, scalable web applications - let’s collaborate. I can help turn your ideas into performant, maintainable, and visually appealing React / Next.js applications that scale with your business.
Last Update: 24.11.2025
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