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Nazarii F.
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Nazarii F.

AI Developer | AI Agents & Chatbot Development | AI Automation | LLM

Raised $3M in just 3 weeks with an MVP? I made it happen. ✅ Full Stack & AI Engineer with 10+ Years of Expertise ✅ Blockchain & HealthTech Specialist with 6+ Years ✅ Launched 25+ Startup MVPs ✅ Developed 18+ AI-Driven Solutions, Including NLP and Vision Systems ✅ Boosted Client App Retention by 38%+ ✅ Consistent On-Time Delivery with 45%+ ROI ✅ Built 12+ Secure Blockchain Platforms for DeFi and NFTs 🌟 I’m a Full Stack Software Engineer with a passion for AI, Blockchain, Web & Mobile Development, and HealthTech innovation. With over 10 years of experience, I create scalable, secure, and user-focused solutions for startups and high-growth sectors. Whether you need a cutting-edge AI chatbot, a DeFi blockchain platform, or a HealthTech MVP, I’m here to turn your vision into reality. Let’s build something extraordinary! ⚡️ 🌟 As a Full Stack Developer and AI/Blockchain expert, I deliver end-to-end solutions that have helped startups secure $1.2M+ in funding and scale to 120K+ users. From AI-driven applications to secure blockchain ecosystems, I provide the technical expertise and business insight to drive success in FinTech, EdTech, and HealthTech. 🌟 My specialties include AI (NLP, computer vision, speech recognition) and blockchain (smart contracts, DeFi, tokenized assets), crafting robust applications with Python, TensorFlow, Solidity, and React Native for seamless, cross-platform performance. ✔️ As a Full Stack Engineer, I built a telemedicine app that improved patient retention by 42%. ✔️ As a Blockchain Specialist, I launched a DeFi platform handling $600K+ in transactions in its first 30 days. ✔️ As an AI Engineer, I created a conversational AI that increased user engagement by 35% for a FinTech client. ✔️ As a Mobile Developer, I revamped an app to earn a “Best Design” award on Dribbble. ✔️ As a Web Developer, I developed a SaaS platform that tripled the client’s revenue stream. 💻 Core Expertise & Technologies AI & Machine Learning: Python, TensorFlow, PyTorch, Scikit-learn, OpenCV, Hugging Face for NLP, vision, and voice systems Blockchain: Solidity, Ethereum, Binance Smart Chain, Web3.py, Hardhat, IPFS, NFTs. Web & Mobile: React, React Native, Flutter, Vue.js, Angular, Django, FastAPI, WordPress. Cloud & DevOps: AWS (EC2, S3, RDS), Google Cloud, Firebase, Docker, Kubernetes, CI/CD. Databases & APIs: MySQL, MongoDB, PostgreSQL, GraphQL, REST, Stripe, Twilio integrations. HealthTech: HIPAA-compliant systems, EHR integrations, wearable device connectivity. 🚀 MVP Development & Product Launch From ideation to market, I ensure fast, high-quality launches with: Agile Workflow: Rapid prototyping and clear milestones for quick market entry. Secure Systems: Blockchain-grade security and compliant HealthTech architectures. Engaging UX/UI: Designs that drive 40%+ conversion and retention rates. ⚙️ End-to-End Partnership As an AI and Blockchain Engineer, I transform ideas into scalable, reliable solutions: Strategy & Design: Creating robust, scalable plans with a focus on user experience. Development: Writing clean, modular code using modern frameworks for optimal performance. Ongoing Support: Providing updates, optimizations, and feature expansions post-launch. 🤝 Why Work With Me? Measurable ROI: My projects consistently deliver 45%+ ROI for clients. Reliability: With 25+ MVPs launched, I guarantee timely and budget-friendly delivery. Transparent Collaboration: I combine technical expertise with business strategy to maximize funding or revenue growth. Proven Impact: My solutions have empowered startups to raise $1.2M+ and grow to 120K+ users. 📱 Platforms I Build For iOS & Android Apps Web & SaaS Platforms Blockchain & DeFi Ecosystems HealthTech & Telemedicine Solutions ⚙️ Technologies Frontend: React, React Native, Flutter, Next.js, TypeScript, JavaScript, Ionic. Backend: Node.js, Python (Django, FastAPI), PHP (Laravel), NestJS, GraphQL. Blockchain: Solidity, Web3.js, Ethers.js, Chainlink, Polygon, Solana. AI/ML: TensorFlow, PyTorch, Keras, Rasa, Dialogflow, YOLO, SpaCy. Cloud: AWS (Lambda, ECS), Azure, Firebase, Heroku, Vercel. DevOps: Docker, Jenkins, GitLab CI, Ansible, Terraform. Additional Expertise: WebRTC, SIP protocols, Data Analysis, FinTech payment gateways, Motion Graphics, Business Strategy. Let’s team up to bring your AI, blockchain, or HealthTech project to life. Reach out today to kickstart your next game-changing solution! ⚡️

🇺🇸Jersey City, United States$50/hr100% JSS4.95 (9)Since Dec 2016
MRR
$5,042
🌍#5,394/363K
🇺🇸#1,798/54.3K
Recent Earnings
$30,250
🌍#5,394/363K
🇺🇸#1,798/54.3K
Total Earnings
$134K
🌍#25.5K/363K
🇺🇸#5,631/54.3K
Avg. Per Project
$6,679
🌍#23.9K/363K
🇺🇸#3,944/54.3K
Recent Projects
3
1f2h
🌍#123K/363K
🇺🇸#18.1K/54.3K
Total Projects
20
8f14h
🌍#123K/363K
🇺🇸#18.1K/54.3K
MRR Performance Over Time
$50k$25k$0
6 mo ago3 mo agoNow
Coming SoonGathering historical data
World Skill Rankings
of 1,286
#63
AI Model IntegrationTop 5%
#75Deep Learning
#82Business Process Automation
#99Natural Language Processing
#118Software Development
#144Django
#193AI Chatbot
#211API
#286AI Development
#287Machine Learning
#337Automation
#349Artificial Intelligence
#519API Integration
#523Web Development
#868React
🇺🇸United States Skill Rankings
of 101
#12
AI Model IntegrationTop 11%
#19Deep Learning
#20Natural Language Processing
#27Software Development
#30Business Process Automation
#34Django
#36AI Chatbot
#48API
#56AI Development
#87Machine Learning
#97Automation
#109Artificial Intelligence
#113API Integration
#148Web Development
#159React
Nazarii F. — Top 3% in United States | UpworkMRR