08/18/2025 updated
100 % available
Full-stack developer | Node.js | React | Web app
Dnipro, Ukraine
Only remote
Master of Science (Computer Science)FlutterApplication DesignWeb InterfacesPHPAdaptive DesignApplication Programming Interfaces (APIs)Amazon Web ServicesAndroid (Software)Apple IOSApp Store (IOS)ArchitectureHTML5AuthenticationsCustomer Relationship ManagementCascading Style Sheets (CSS)
Hi all! Welcome to my profile! I’m a Full Stack Developer with over a decade of experience specializing in building web applications, mobile apps, SaaS platforms, crypto exchange platforms, and scalable software solutions. My focus is on delivering high-quality, future-proof, and bug-free products that drive business growth.
Here’s what you can expect when working with me:
✅ I develop crypto exchange platforms with advanced security, blockchain integration, custom API development, wallet integration, and real-time trading features. My experience includes working with Ethereum, Solana, Binance Smart Chain, and developing solutions with smart contracts, blockchain architecture, and Web3 integration.
✅ I build web applications using modern frameworks like React.js, Vue.js, Next.js, Node.js, Laravel, and Nest.js, ensuring each product is responsive, scalable, and optimized for performance.
✅ For mobile app development, I use React Native, Flutter, and native iOS and Android frameworks to create smooth, fast, and intuitive apps with features like push notifications, map integrations, in-app purchases, and custom API development.
✅ I design and develop SaaS platforms that are scalable, robust, and feature seamless API integrations, real-time analytics, and intuitive dashboards.
✅ In eCommerce development, I focus on creating platforms with secure user authentication, integrated payment systems, and responsive, mobile-friendly designs.
✅ I also build custom dashboards and CRMs with advanced data visualization using Chart.js and D3.js, ensuring intuitive and powerful interfaces that support data-driven decision-making.
✅ For cloud deployments, I work with AWS, Firebase, and Google Cloud Platform, setting up scalable and secure environments to support product growth and performance.
Tech Stack
? Frontend: React.js, Next.js, Vue.js, Redux, HTML5, CSS3, Tailwind CSS, SCSS, jQuery
? Backend: Node.js (Express.js, Nest.js), PHP (Laravel, Yii2), REST APIs, GraphQL, Prisma, MySQL, ? PostgreSQL, MongoDB, Redis
? Blockchain Development: Ethereum, Solana, Binance Smart Chain, Web3.js, Ethers.js, Solidity, ? Smart Contracts, Wallet Integrations, API Development
? Mobile Development: React Native, Flutter, Android, iOS, Firebase, Push Notifications, Map Integration, In-App Purchases
? DevOps & Cloud: Docker, Heroku, GitLab, GitHub, AWS Amplify, Google Cloud Platform
? API Development & Integration: REST API, GraphQL, Stripe, PayPal, Firebase Authentication
Why work with me??
As a CTO since 2017, I’ve led and scaled complex tech projects across fintech, blockchain, eCommerce, healthcare, and beyond. I bring not just strong engineering, but strong product thinking and clear communication.
If you're looking for a developer who can build secure crypto exchange platforms, cutting-edge web apps, SaaS solutions, or user-friendly mobile applications, let’s connect
Click "Hire Now", and let’s build something exceptional together!
Here’s what you can expect when working with me:
✅ I develop crypto exchange platforms with advanced security, blockchain integration, custom API development, wallet integration, and real-time trading features. My experience includes working with Ethereum, Solana, Binance Smart Chain, and developing solutions with smart contracts, blockchain architecture, and Web3 integration.
✅ I build web applications using modern frameworks like React.js, Vue.js, Next.js, Node.js, Laravel, and Nest.js, ensuring each product is responsive, scalable, and optimized for performance.
✅ For mobile app development, I use React Native, Flutter, and native iOS and Android frameworks to create smooth, fast, and intuitive apps with features like push notifications, map integrations, in-app purchases, and custom API development.
✅ I design and develop SaaS platforms that are scalable, robust, and feature seamless API integrations, real-time analytics, and intuitive dashboards.
✅ In eCommerce development, I focus on creating platforms with secure user authentication, integrated payment systems, and responsive, mobile-friendly designs.
✅ I also build custom dashboards and CRMs with advanced data visualization using Chart.js and D3.js, ensuring intuitive and powerful interfaces that support data-driven decision-making.
✅ For cloud deployments, I work with AWS, Firebase, and Google Cloud Platform, setting up scalable and secure environments to support product growth and performance.
Tech Stack
? Frontend: React.js, Next.js, Vue.js, Redux, HTML5, CSS3, Tailwind CSS, SCSS, jQuery
? Backend: Node.js (Express.js, Nest.js), PHP (Laravel, Yii2), REST APIs, GraphQL, Prisma, MySQL, ? PostgreSQL, MongoDB, Redis
? Blockchain Development: Ethereum, Solana, Binance Smart Chain, Web3.js, Ethers.js, Solidity, ? Smart Contracts, Wallet Integrations, API Development
? Mobile Development: React Native, Flutter, Android, iOS, Firebase, Push Notifications, Map Integration, In-App Purchases
? DevOps & Cloud: Docker, Heroku, GitLab, GitHub, AWS Amplify, Google Cloud Platform
? API Development & Integration: REST API, GraphQL, Stripe, PayPal, Firebase Authentication
Why work with me??
As a CTO since 2017, I’ve led and scaled complex tech projects across fintech, blockchain, eCommerce, healthcare, and beyond. I bring not just strong engineering, but strong product thinking and clear communication.
If you're looking for a developer who can build secure crypto exchange platforms, cutting-edge web apps, SaaS solutions, or user-friendly mobile applications, let’s connect
Click "Hire Now", and let’s build something exceptional together!
Languages
EnglishNative speaker
Project history
Peiko is a full-service information technology, UX/UI, and development agency. I believe that good design and development should be a team player with a solution-oriented approach. My team mainly focuses on Fintech, Blockchain (Exchanges, NFT, Wallets), SaaS, and Marketplaces. We help businesses to generate buzz and boost their growth with smart, creative, and innovative solutions.
Project: Gsdiamonds - diamond jewelry marketplace with a custom ring builder.
Technologies: CSS, HTML, Laravel, MySQL, PHP, React JS, Node JS.
Core achievements:
- Made it possible to process a large array of information: 150,000 items from several vendors, updated every 15 minutes;
- Built custom ring builder;
- Set up integration with Alipay, Paypal, and Adyen;
- Provided the opportunity to manage through the CRM/CMS almost any content on the site
- Online Calculator
Technologies: CSS, HTML, Laravel, MySQL, PHP, React JS, Node JS.
Core achievements:
- Made it possible to process a large array of information: 150,000 items from several vendors, updated every 15 minutes;
- Built custom ring builder;
- Set up integration with Alipay, Paypal, and Adyen;
- Provided the opportunity to manage through the CRM/CMS almost any content on the site
- Online Calculator
Marketplace for long-term renting.
Core achievement:
- Wayforpay integration (payment system)
- A sophisticated parser that looks at hundreds of objects, and copies information. This parser also monitors the relevance of apartments and automatically removes them if the apartment is occupied
- Multilevel filters
Tech Stack: PHP (Yii2), jQuery, React Js, MySQL, RestAPI
Core achievement:
- Wayforpay integration (payment system)
- A sophisticated parser that looks at hundreds of objects, and copies information. This parser also monitors the relevance of apartments and automatically removes them if the apartment is occupied
- Multilevel filters
Tech Stack: PHP (Yii2), jQuery, React Js, MySQL, RestAPI