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You will get a High-Performance Web App from Front-End Developer | React, Next.js

Taras S.Status: Offline
Taras S. Taras S.
4.4
Rising Talent
Preview image

Let a pro handle the details

Buy Custom Website Programming services from Taras, priced and ready to go.
Taras S.Status: Offline
Taras S. Taras S.
4.4
Rising Talent
Preview image

Let a pro handle the details

Buy Custom Website Programming services from Taras, priced and ready to go.

Project details

๐—ฃ๐—น๐—ฒ๐—ฎ๐˜€๐—ฒ, ๐— ๐—ฒ๐˜€๐˜€๐—ฎ๐—ด๐—ฒ ๐—บ๐—ฒ ๐—ต๐—ฒ๐—ฟ๐—ฒ ๐—ผ๐—ป ๐—จ๐—ฝ๐˜„๐—ผ๐—ฟ๐—ธ ๐—ณ๐—ถ๐—ฟ๐˜€๐˜ ๐˜๐—ผ ๐—ฑ๐—ถ๐˜€๐—ฐ๐˜‚๐˜€๐˜€ ๐˜๐—ต๐—ฒ ๐˜€๐—ฐ๐—ผ๐—ฝ๐—ฒ ๐—ฏ๐—ฒ๐—ณ๐—ผ๐—ฟ๐—ฒ ๐—ฝ๐—น๐—ฎ๐—ฐ๐—ถ๐—ป๐—ด ๐—ฎ๐—ป ๐—ผ๐—ฟ๐—ฑ๐—ฒ๐—ฟ ๐Ÿ“ฉ

As a Senior Front-End Developer | React, Next.js, I optimize web applications for speed, scalability, and better user experience using modern frontend best practices.

Suitable for:
โ€ƒโ€ข React applications
โ€ƒโ€ข Next.js websites
โ€ƒโ€ข SaaS platforms
โ€ƒโ€ข Dashboard interfaces
โ€ƒโ€ข High-traffic web apps

Whatโ€™s included:
โ€ƒโ€ข Lighthouse & Core Web Vitals optimization
โ€ƒโ€ข Bundle size reduction
โ€ƒโ€ข Lazy loading & code splitting
โ€ƒโ€ข Image and asset optimization
โ€ƒโ€ข Rendering and loading performance improvements
โ€ƒโ€ข Responsive and accessibility optimization
Programming Languages
HTML & CSS, JavaScript, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Design

What's included $5,000

These options are included with the project scope.

$5,000
  • Delivery Time 15 days
  • Number of Revisions 0
4.4
2 reviews
50% Complete
(1)
50% Complete
(1)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

BS

Bilal S.
4.65
Nov 13, 2017
ReactJS Front End C

BS

Bilal S.
4.15
Mar 2, 2017
ReactJS Front End B
Taras S.Status: Offline

About Taras

Taras S.Status: Offline
Front-End Developer | Full-Stack Developer | React, Next.js, Vue, Node
4.4 ย (2 reviews)
Lviv, Ukraineย - 12:32 am local time
๐Ÿ† 12+ years in software delivery as a team | ๐Ÿ๐Ÿ’๐Ÿ” projects delivered | ๐“๐ซ๐ฎ๐ฌ๐ญ๐ž๐ ๐›๐ฒ ๐…๐จ๐ซ๐ญ๐ฎ๐ง๐ž ๐Ÿ“๐ŸŽ๐ŸŽ | โญ๐Ÿ—๐Ÿ–% ๐œ๐ฅ๐ข๐ž๐ง๐ญ ๐ฌ๐š๐ญ๐ข๐ฌ๐Ÿ๐š๐œ๐ญ๐ข๐จ๐ง
๐Ÿ” GDPR & HIPAA ๐œ๐จ๐ฆ๐ฉ๐ฅ๐ข๐š๐ง๐ญ | ISO 27001 ๐œ๐ž๐ซ๐ญ๐ข๐Ÿ๐ข๐ž๐ ๐๐ž๐ฅ๐ข๐ฏ๐ž๐ซ๐ฒ ๐ฌ๐ญ๐š๐ง๐๐š๐ซ๐๐ฌ

I am a Senior Frontend Developer and React Developer with 12+ years of experience building scalable web applications across SaaS, FinTech, Healthcare, Real Estate, Logistics, and AI-driven platforms.
As a Frontend React Developer and Next.js Developer, I help companies launch high-performance, SEO-friendly applications that are built to scale

I also work as a Full-Stack Developer (React & Node.js), meaning you get full ownership of your product, from UI/UX implementation to API architecture and deployment.

๐Ÿ’ผ Enterprise delivery mindset
โš™๏ธ Senior Frontend Developer & React Developer with Full-Stack capability
๐Ÿ” Experience in regulated & security-sensitive industries
๐Ÿ“Š Architecture built for scalability, performance & ROI

Over the years, with my team, Iโ€™ve contributed to 246 delivered projects, including systems used by enterprise and Fortune 500 clients such as AstraZeneca, Norwegian Airlines, and Volkswagen, helping teams:

๐Ÿ’ฐ Reduce operational costs & processing time (๐Ÿ‘๐ŸŽ ๐ฌ๐ž๐œ โ†’ ๐Ÿ‘ ๐ฌ๐ž๐œ ๐š๐ฎ๐ญ๐จ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐ฉ๐ฅ๐š๐ญ๐Ÿ๐จ๐ซ๐ฆ๐ฌ ๐ข๐ง ๐…๐ข๐ง๐“๐ž๐œ๐ก)
๐ŸŒ Scale products to millions of users with stable, high-performance architecture (๐๐จ๐ซ๐ฐ๐ž๐ ๐ข๐š๐ง airline mobile platform)
๐Ÿš€ Increase engagement 5ร— in large-scale marketing campaigns (๐•๐จ๐ฅ๐ค๐ฌ๐ฐ๐š๐ ๐ž๐ง ๐š๐ฉ๐ฉ)
๐Ÿ”„ Modernize legacy systems and reduce maintenance costs ๐›๐ฒ ๐ฎ๐ฉ ๐ญ๐จ ๐Ÿ“๐ŸŽ%
๐Ÿค– Implement AI-powered analytics & workflow automation for enterprise decision-making ๐€๐ฌ๐ญ๐ซ๐š๐™๐ž๐ง๐ž๐œ๐š CRM analytics
๐Ÿ” Build secure, compliant platforms ๐š๐ฅ๐ข๐ ๐ง๐ž๐ ๐ฐ๐ข๐ญ๐ก GDPR, HIPAA & ISO standards

Across every project, the focus remains the same: performance, scalability, security, and predictable enterprise-grade delivery.

๐–๐ก๐š๐ญ ๐ˆ ๐๐ซ๐ข๐ง๐  ๐š๐ฌ ๐š Frontend Developer

โœ” Deep expertise in React, Next.js, Angular, TypeScript, JavaScript (ES6+), HTML5, CSS3/SASS
โœ” Strong component-based architecture & reusable UI systems
โœ” REST & GraphQL API integration
โœ” Responsive, mobile-first development across all devices
โœ” Performance optimization (Core Web Vitals, Lighthouse improvements)
โœ” Accessibility (WCAG) and cross-browser compatibility
โœ” Shopify frontend customization & performance optimization
โœ” Clear communication, ownership mindset, and long-term reliability

I collaborate with designers, backend engineers, and product teams to ship scalable, maintainable solutions.

Selected Frontend ๐€๐œ๐ก๐ข๐ž๐ฏ๐ž๐ฆ๐ž๐ง๐ญ๐ฌ
โ€ข Built SaaS dashboards (React/Redux) reducing page load time by 40%
โ€ข Rebuilt Angular admin panels improving maintainability by 30%
โ€ข Improved Lighthouse performance scores by 35% in large B2B platforms
โ€ข Delivered pixel-perfect B2B & FinTech interfaces increasing engagement
โ€ข Enhanced UX with advanced animations (GSAP, Framer Motion)
โ€ข Strengthened cross-browser & responsive consistency across enterprise systems

๐‚๐จ๐ซ๐ž ๐“๐ž๐œ๐ก๐ง๐จ๐ฅ๐จ๐ ๐ฒ ๐’๐ญ๐š๐œ๐ค

Frontend: React.js, Next.js (SSR/SSG), Angular, Vue.js, TypeScript, scalable component architecture, performance optimization, SEO-first development, accessibility, design systems.

Full-Stack & Backend: Node.js, NestJS, Express, .NET, Python, Java, secure REST & GraphQL APIs, role-based access control, scalable service architecture.

Data & Infrastructure: PostgreSQL, MongoDB, MySQL, CI/CD pipelines, cloud-native deployment, DevOps automation.

AI & Advanced Systems: GPT-4, Llama, Claude, Gemini, YOLOv8/YOLOv10, DINOv2, SegmentAnything, Stable Diffusion, PyTorch, HuggingFace, Scikit-learn, predictive analytics and AI-powered workflow automation.

Security & Compliance: GDPR & HIPAA compliance, ISO 27001-certified delivery standards, secure coding (OWASP), encryption, controlled release processes.

๐Ÿข ๐ˆ๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ข๐ž๐ฌ: Healthcare & Pharma | FinTech & Insurance | SaaS | Construction & PropTech | Retail & E-commerce | Logistics & Travel | AI & Data Platforms
Many projects are delivered in regulated environments requiring strict compliance and enterprise security standards.

๐Ÿ’กHave an idea, scaling challenge, or legacy system that needs modernization?

๐Œ๐ž๐ฌ๐ฌ๐š๐ ๐ž ๐ฆ๐ž ๐ก๐ž๐ซ๐ž ๐จ๐ง ๐”๐ฉ๐ฐ๐จ๐ซ๐ค ๐Ÿ“ฉ ๐‹๐ž๐ญโ€™๐ฌ ๐ซ๐ž๐ฏ๐ข๐ž๐ฐ ๐ฒ๐จ๐ฎ๐ซ ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ, ๐๐ž๐Ÿ๐ข๐ง๐ž ๐ญ๐ก๐ž ๐ง๐ž๐ฑ๐ญ ๐ฌ๐ญ๐ž๐ฉ๐ฌ, ๐š๐ง๐ ๐›๐ฎ๐ข๐ฅ๐ ๐š ๐ฌ๐ž๐œ๐ฎ๐ซ๐ž, ๐ฌ๐œ๐š๐ฅ๐š๐›๐ฅ๐ž ๐ฉ๐ซ๐จ๐๐ฎ๐œ๐ญ ๐ญ๐จ๐ ๐ž๐ญ๐ก๐ž๐ซ.

Steps for completing your project

After purchasing the project, send requirements so Taras can start the project.

Delivery time starts when Taras receives requirements from you.

Taras works on your project following the steps below.

Revisions may occur after the delivery date.

Performance Scope Review

Weโ€™ll review your React/Next.js app, current speed issues, goals, and available reports.

Audit & Bottleneck Detection

Iโ€™ll analyze Lighthouse, Core Web Vitals, rendering, bundle size, images, and loading issues.

Review the work, release payment, and leave feedback to Taras.