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Maksym B.
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Maksym B.

Full Stack Developer | Front End Developer | React JS | AI Developer

💻 Your reliable full-stack and front-end partner. ⚡ Clean code, fast delivery, no unnecessary complexity. 🎯 React, Next.js — production-ready, not prototype-quality. ❤️ Client-focused, clear communication, on-time delivery. WHY SHOULD YOU HIRE ME 📌 8+ years and 60+ products as a Full Stack Developer specializing in React and Next.js for SaaS Platforms, MVPs, and Web Applications. $3.8M+ in client impact, $900K+ in direct revenue volume generated through my work as a React Developer and Next.js Developer. 📌 20,000+ active users across Web and Mobile Apps where my work as a Front End Developer lifted engagement by 18-27%. 10,000+ users in Healthcare Web Applications and HIPAA-compliant systems where my work as a Front End Developer cut admin friction by 40%. 📌 2,423 completed orders, 489 registered customers in an E-commerce Website and CRM Platform MVP built as a Full Stack Developer with React and Next.js. 90% faster order processing and 80% lower manager workload through workflow automation and Front End Developer improvements. 📌 1,666+ catalog items, 4-role access, 2.7x operational capacity in a B2B Marketplace built as a Full Stack Developer with React and Next.js. 5-8 weeks shorter MVP-to-launch timelines and 35% fewer bugs through clean architecture and code review. 📌 $900K+ in client revenue as a React and Next.js Developer, with 8 years of experience as a Web App Developer building production-grade React applications. 📌 $3.8M+ in client impact with end-to-end ownership as a Full Stack Developer. 18-27% engagement lift and stronger user trust as a Front End Developer. 30-40% faster development cycles and stronger retention across SaaS products as a React Developer. WHERE I DELIVER 📌 As a Front End Developer, 20+ systems built with React and Next.js covering UI development, dashboards, and responsive design across SaaS Platforms, Booking Platforms, and E-commerce Websites. 📌 As a React Developer, 15+ launches in Next.js environments, with 30-40% faster iteration through component-based architecture and design-to-code workflows. 📌 As a Full Stack Developer, 25+ end-to-end builds with React, Next.js, and Node.js backends, covering API development, data architecture, and secure, scalable systems from early-stage MVP to live SaaS platform. 📌 As a Front End Developer, improving conversion by 15-22% through UI polish, UX refinement, and responsive design across web and mobile. 📌 10+ deployed mobile apps in the App Store and Google Play as a React Native Developer, extending the same React codebase to mobile. 📌 12-19% better repeat usage through booking, notifications, and payment flows built with React and Next.js. 📌 As a Full Stack Developer, 6-18 month engagements through platform scaling, feature expansion, and long-term development partnerships built on React and Next.js. 📌 As a Full Stack Developer, 99%+ delivery consistency across distributed teams, with clear communication and predictable delivery timelines. INDUSTRY IMPACT 📌 Marketplace Platforms, B2B Marketplaces, Two-Sided Marketplaces: 50,000+ active listings, 20%+ better lead quality, and a 35% increase in conversion rates as a Full Stack Developer and React Developer handling $2M+ in monthly transaction volume. 📌 Healthcare Web Applications, Clinic Management SaaS, Telehealth: 10,000+ active users, 500+ daily appointments processed, and 15% fewer patient no-shows as a Front End Developer maintaining 99.9% system uptime. 📌 AI-Powered Platforms: 5+ products deployed with custom AI features, built as a React and Next.js Developer integrating AI chatbots, RAG systems, and OpenAI/Claude APIs into full-stack applications. 📌 Logistics Platforms, ERP, Internal Workflow Systems: up to 12 hours saved per order cycle and a 40% reduction in data entry errors across 5+ regional hubs as a Full Stack Developer. 📌 Research Platforms, LegalTech SaaS, Fintech and PropTech MVPs: 18% better adoption and 40% higher user retention over 6 months through structured, permission-based systems built as a Front End Developer. HOW I BUILD 📌 50+ products as a Front End Developer: React, Next.js, React Native, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, and responsive design. 📌 25+ SaaS platforms as a Full Stack Developer: Node.js backends, PostgreSQL, MySQL, MongoDB, Firebase, and Stripe integrations across payments, maps, and third-party APIs. 📌 10+ projects across WordPress, Shopify, PHP, Flask, and MERN stack as a Full Stack Developer, adapting React and Next.js to different environments as needed. 📌 40+ products built with strong Git practices, clean software architecture, and an engineer's mindset as a Next.js Programmer

🇺🇦Ivano-Frankivsk, Ukraine$28/hr100% JSS4.97 (21)Since Aug 2022
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Earnings and projects

MRR
$2.4k

Last 6 months ÷ 6

World#17,765 / 412k
🇺🇦Country#1,031 / 14.3k
Revenue, last 30 days
$502

Last 6 months: $14k

World#62,748 / 412k
🇺🇦Country#2,408 / 14.3k
Total earnings
$99k

Billed in all: $104k

World#39,452 / 412k
🇺🇦Country#2,642 / 14.3k
Per project
$3.4k

$3.6k in the last 6 months

World#49,456 / 412k
🇺🇦Country#2,773 / 14.3k
Projects, last 6 months
4
25% fixed75% hourly
World#51,816 / 412k
🇺🇦Country#2,156 / 14.3k
Projects in all
29

Across 31 contracts

55% fixed45% hourly
World#100,217 / 412k
🇺🇦Country#4,394 / 14.3k

Earnings, last 30 days

$104k+$502 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$103.5k$104.0k$104.5kOct 9Oct 24Nov 8

Skill rankings: Top 3% in PSD to HTML

Ranked by MRR among everyone on Upwork with the skill.

  1. #72PSD to HTML2,799 freelancers · 🇺🇦 #15Top 3%
  2. #243Software Development2,923 freelancers · 🇺🇦 #44Top 8%
  3. #247Bootstrap6,899 freelancers · 🇺🇦 #45Top 4%
  4. #367jQuery8,973 freelancers · 🇺🇦 #68Top 4%
  5. #390CSS 39,914 freelancers · 🇺🇦 #75Top 4%
  6. #447Responsive Design9,915 freelancers · 🇺🇦 #79Top 5%
  7. #517Front-End Development8,892 freelancers · 🇺🇦 #62Top 6%
  8. #554Vue.js8,268 freelancers · 🇺🇦 #90Top 7%