Valerii Fomenko

Web3 Developer • Full-stack Engineer • Mobile Developer • Tallinn, Harju County, EE

Javascript

Express.js

Jest

WebSocket

PostgreSQL

Web Applications

Mobile Development

MERN

MongoDB

MySQL

Next.js

React

React Native

Node.js

Ethereum

Blockchain

NFTs

Smart Contracts

Cryptocurrency

Solidity

Available for hire fromNegotiable

Full-Time Roles

Contracts

🚀 A-Z Software Development & Design – FinTech & DeFi Solutions at @Peiko

I've helped 26 customers go through the Pre-Seed Stage of investments to Stage A with high-quality and secure projects developed by the Peiko team!🚀 Founded in 2017, we've grown to a robust team of 67 seasoned professionals. We take pride in our accomplishments which include the following: 🏆 Clutch's Top 3 Blockchain Development Team 🏆 Leaders in Blockchain Development by Goodfirm 🏆 Best Graphic Design Companies by DesignRush. Type of Solutions we can provide: ✪ SaaS/PaaS ✪ Web3 (CEX, DeFi, NFT, crypto wallets) ✪ Smart contracts development, integration, and audit ✪ Marketplaces ✪ Web/Mobile development ✪ CRM/ERP ✪ Auctions/Tender platforms We can provide: 🌍Dedicated team/developer, managed by a client Or 🌍Dedicated team, man

Projects

OrionProtocol - DeFi aggregator and exchanger

The first gateway to the entire crypto market: aggregating every CEX, DEX, and swap pool into one decentralized platform. The market cap of ORN is $250 mln We also made a ERC-20 token which is listed on the Coinmarketcup now. The Orion Protocol was designed to aggregate the liquidity of multiple crypto exchanges into a decentralized platform that provides a singular, non-custodial gateway into the entire digital asset market. It was founded in 2018 and launched in 2020 by Alexey Koloskov in an attempt to solve some of the major issues of the decentralized finance (DeFi) space. Onion aims to solve the difficulties in performing profitable transactions associated with the lack of liquidity on the majority of crypto exchanges. This is the case for both centralized and decentralized exchanges. Orion’s solution to this is to aggregate exchanges’ order books into one simple to use and understand terminal. The Orion Protocol’s goal is to help users get the best returns out of their investments while also lowering the risks associated with using multiple exchanges. See More

Quan2um - crypto exchange

Quan2um is a trusted cryptocurrency exchange where users can buy and sell popular listing coins. It has a high level of security that meets European standards. The platform has a bonus system for new customers with a multi-level commission system. On the exchange, you can invest in your own Quan2um coin - BTCA, and receive passive income. The project was designed and developed by Peiko company from scratch in 8 months, and the team included up to 10 specialists in product development and testing.See More

Swych DEX: Your Tailored Crypto Exchange Solution! 🚀🔗🌐

Say hello to Swych, an avant-garde crypto exchange platform drawing inspiration from the renowned PancakeSwap. But wait, there's more to Swych than just replication. Core Features: Adapted Originality: While the foundational functionalities mirror PancakeSwap's brilliance, Swych takes pride in its unique spin. Through a fusion of PancakeSwap’s robust features and our client's ingenious designs, we’ve crafted an interface that stands out and speaks to users. 🎨🔍 Seamless Trading Experience: Swych ensures a fluid and frictionless trading environment. Navigate through token swaps, liquidity pools, and yield farming opportunities, all within a user-friendly dashboard. 🔄💰 Customized Visual Appeal: Every pixel of Swych resonates with our client's vision. Tailored graphics, intuitive layouts, and a palette that's both easy on the eyes and engaging, making Swych not just another DEX but a visual experience. 🌟✨ High-Performance Engine: Swych isn’t just about aesthetics. Beneath its sleek interface lies a powerhouse of cryptographic algorithms and smart contracts, ensuring rapid transaction confirmations and optimal slippage management. ⚡🔐 Secure & Transparent: Safety first! Swych employs state-of-the-art encryption techniques, regular smart contract audits, and transparent transaction trails to ensure user assets and data remain uncompromised. Trade with confidence! 🛡️🔍See More

Top Up Balance - refill your any account balance with crypto

The resource is developed primarily for people who often travel, it solves one of the major issues in replenishing both mobile operator accounts from around the world and payment for other data providers from around the world. The service allows in a few clicks to replenish the required mobile account through a convenient cryptocurrency without the need to look for exchangers or any other unfamiliar to the user resources. Top Up Balance is a solution for two types of users: 1) Those who want to use crypto to pay for internet, mobile services, or any other digital services 2) Those who live in a foreign country and don't want to pay a commission/conversation fee while paying for digital services - you can use crypto to avoid it or use any other service which is available (18 methods) Vodafone, Viber, Skype, Beeline, or any other service.See More

Revalcoin - crypto wallet

A convenient and rapid wallet that allows both storing cryptocurrencies and exchanging them securely. It combines the most popular and frequently used coins with the ability to exchange them into fiat currency and to transfer funds into the necessary blockchain for a minimal fee. For the convenience of users, the project integrates the ability to issue their cards and add them to the wallet on their phones, which gives even easier access to their funds. The project was designed and developed by Peiko company from scratch in 6 months, and the team included up to 8 specialists in product development and testingSee More

Goggy: The Future of Web3 Gaming & Fitness Integration

Project description Introducing Goggy! 🌟 Your next-gen companion that beautifully marries the thrills of Web3 with the exhilaration of running. With Goggy, every step isn't just a stride towards fitness, but also a leap towards earning! Lace-up your shoes, embark on this playful journey, and watch your progress and pockets grow! Core Features: Web3 Integration: Dive into the decentralized universe! 🌌 Goggy harnesses the power of blockchain, ensuring transparent rewards and rock-solid security for all your earned assets. Run & Earn: Why just run when you can run and earn? 🏃‍♀️💰 Goggy celebrates your fitness journey by turning your calories burned into cool crypto! Engaging Gameplay: We're not just another fitness app; we're a gaming revolution! 🎮 With Goggy, every run is a quest, every mile a challenge, and every step, a fun-filled adventure. Real-Time Tracking: Track your progress with precision! ⌚ From the distance covered to the crypto earned, Goggy keeps you informed and inspired. UX/UI: Goggy doesn't just stop at being a game-changer; it’s a visual treat too! Goggy proudly presents an interface that's not just sleek but also super adaptive Goggy isn't just a Web3 running app; it's your daily dose of fitness fun and financial freedom. 🌈 With Goggy, every run feels like a party, every sweat drop like an achievement, and every tired breath, a sigh of victory! See More

Vorpal: The New Frontier in DEX on Binance Smart Chain! 🌐🚀🔗

Introducing Vorpal, a paradigm shift in the world of Decentralized Exchanges (DEX). With its foundation on the renowned Binance Smart Chain, Vorpal redefines your trading and earning experience in the decentralized finance space. Core Features: Automated Market Maker (AMM): At the core of Vorpal is its sophisticated AMM system. No need to rely on traditional order books or counter-parties. Vorpal's AMM protocol provides a seamless, fluid, and efficient trading mechanism, ensuring liquidity and tighter price spreads. 🔄💹 Freedom to Exchange: Dive into a limitless trading horizon! Vorpal empowers users to swap a diverse range of tokens with minimal slippage, delivering optimal exchange rates and rapid transaction confirmations. 🔄💰 Passive Income Streams: Why just trade when you can also earn? With Vorpal, your funds don't stay idle. By participating in liquidity pools, users can passively earn new tokens. It's a win-win - enhance market liquidity and get rewarded for it! 💸🎉 Powered by Binance Smart Chain (BSC): BSC's superior scalability and cost-effective transaction fees make Vorpal an ideal choice for traders. Enjoy faster settlements, reduced gas fees, and an overall smoother trading experience. ⛓️⚡ User-Centric Design: Designed with users in mind, Vorpal boasts an intuitive interface, simplified navigation, and advanced trading tools. Whether you're a seasoned trader or a crypto newbie, Vorpal offers an enriched and hassle-free experience. 🖥️🎨 Robust Security Measures: In the crypto world, security is paramount. Vorpal prioritizes your assets' safety with cutting-edge encryption, regular smart contract audits, and state-of-the-art security protocols. Trade with peace of mind! 🔐🛡️See More

Non-Custodial Crypto Wallet: Ultimate Sovereignty & Versatility

The Non-Custodial Crypto Wallet is a state-of-the-art digital asset management tool designed with a laser focus on user sovereignty and asset security. This wallet not only acts as a repository for a diverse range of cryptocurrencies but also ensures that users remain the sole custodians of their private keys and, by extension, their funds. Core Features: True Ownership: Hold onto your hats! 🎩 Our wallet is non-custodial, which means users hold the golden keys to their treasure. No middlemen, no sneaky pirates, just you and your treasure chest. Multi-Currency Support: Whether you're a Bitcoin enthusiast or an altcoin aficionado, we've got you covered. 🌍 Our wallet welcomes all coins, making it a truly cosmopolitan crypto space! Intuitive User Interface: Navigate with flair! 🎨 Our wallet is as user-friendly as a gentle sea breeze, suitable for both the seasoned sailors and the newbie deckhand. Advanced Security Protocols: No swashbuckling pirates can touch your treasure! 🏴‍☠️ Our fortified walls, equipped with cryptographic techniques, two-factor authentication, and biometric checkpoints, ensure they'll be left high and dry. Instant Transactions: Swift as the west winds! 🌬️ Send and receive your treasures at lightning speed, ensuring your precious cargo reaches its destined port posthaste. In the grand crypto voyage, our Non-Custodial Crypto Wallet serves as your trustworthy ship and playful companion. It's not just a tool; it's an adventure! 🌟 Every click, swipe, and transaction promises safety, delight, and a sprinkle of magic.See More

Dipper: Revolutionizing Wealth Amplification! 🚀💰📊

Welcome to Dipper – where financial dreams take flight! Anchored in the tenets of progressive wealth growth and investment diversification, Dipper stands as a beacon for retail investors aiming for long-term wealth accumulation. Core Features: Holistic Investment Ecosystem: At the heart of Dipper lies a comprehensive platform offering both loan investment and direct asset investment avenues. Whether you're eyeing fixed returns from loans or hoping to tap into the dynamic world of asset appreciation, Dipper caters to all. 🌐📈 Diversification at Its Best: Gone are the days of putting all your eggs in one basket. Dipper equips investors with state-of-the-art tools and insights to diversify their portfolio seamlessly, ensuring reduced risk and maximized returns. 🔄🛡️ Handpicked Profitable Assets: Our expert team meticulously curates a list of high-yield, low-risk assets, offering our users a selection that's both lucrative and trustworthy. With Dipper, every asset is a step closer to your financial goals. 🌟🔍 Empowered Retail Investors: Dipper is not just an investment platform; it's an empowerment tool. Our user-centric design, intuitive interfaces, and educational resources equip even the greenest of investors with the knowledge and confidence to make informed decisions. 📚✨ Transparent & Secure: In the world of finance, trust is paramount. Dipper is built upon a foundation of transparency and top-tier security protocols. Every transaction, every choice, every click - is transparent, traceable, and tamper-proof. Trade and invest with absolute peace of mind. 🛡️🔗 Dynamic Growth Strategies: Understand the market's ebb and flow with Dipper's real-time analytics and trend forecasts. Utilize these insights to refine your strategies and consistently stay ahead of the curve. 📊🔝See More

KYC: The Ultimate Mobile Token Management! 📲💼🔐

Introducing our flagship Mobile Custodial Wallet, a seamless blend of convenience, security, and efficiency tailored for the modern crypto enthusiast! Let's dive deeper into what sets this application apart in the crypto-verse: Core Features: One-Stop Token Haven: Store an eclectic mix of tokens all under one digital roof! From mainstream favorites to emerging gems, our wallet supports a plethora of tokens ensuring you never miss out on a crypto opportunity. 🌍🪙 Swift Transfers & Exchanges: Seamlessly transfer tokens to friends, family, or business associates. Want to switch up your crypto portfolio? Dive into instant exchanges between different tokens without breaking a sweat. ⚡🔄 Unyielding Security: While our wallet offers custodial ease, we never compromise on security. With state-of-the-art encryption, multi-factor authentication, and regular audits, your assets are guarded like a fortress. 🔐🛡️ KYC Integration - Know Your Customer, Know Your Security: We've seamlessly integrated a KYC process to ensure the platform's integrity and safety. This not only aligns with global regulatory standards but also adds an extra layer of trust and transparency for our users. 📝✅ User-Centric Design: Trade, transfer, and track with unparalleled ease! Our wallet's intuitive interface ensures that both crypto-novices and veterans can navigate and manage their assets effortlessly. 🎨👌 Always On the Go: Designed with the dynamic lifestyles of our users in mind, our mobile-first approach ensures you have 24/7 access to your assets. Whether you're in a café, on a hike, or in a business meeting - your crypto wallet is always just a tap away. 🌐🏃See More

DeFi Ecosystem: Unveiling the Future of Finance! 🌐🚀

Welcome to the next-generation Decentralized Finance (DeFi) Ecosystem, where innovation meets functionality in the vast realm of finance. With our state-of-the-art platform, you'll be introduced to an expansive suite of features, fine-tuned to cater to all your DeFi aspirations. Core Features: Token Creation: Design, customize, and launch your unique crypto tokens. Whether it's for a community project or a new startup, our platform ensures a seamless creation process. 🎖️🔥 Efficient Trading: Dive into a sophisticated trading environment! With advanced algorithms and a user-centric interface, maximize your profits and trade with confidence. 📊💼 Swift Swapping: Experience hassle-free token swaps with optimal slippage rates, connecting various tokens within the ecosystem. Swap, earn, and repeat! 🔄✨ NFT Playground: Enter the world of Non-Fungible Tokens (NFTs)! Whether you're an artist, collector, or trader, our platform provides tools for minting, buying, and selling these unique digital masterpieces. 🎨🖼️ And Much More!: Our ecosystem continually evolves, expanding its horizons with new, innovative features tailored to the demands and trends of the DeFi community. 🌌🌠See More

Bitcoin Addition - the mobile crypto wallet

This is a convenient and secure mobile crypto wallet for storing primarily BTCA coin. Allows you to make transfers by contact list, there is support for different cryptocurrencies, offline payment. Also implemented shake functionality for a more handy ability to transfer funds to users who are in the surrounding area.See More

Fincor: the Next-Gen Layer 1

Fincor is a brand new, next-generation blockchain using a bespoke Proof-of-Unity (PoU) protocol to deliver ultra-fast, ultra-scalable, and ultra-cheap (3Us) transactions and smart contracts that can operate across chains—no more bridges, high-fee swaps or network switching required.See More

Work History

Full Stack Developer

RevalcoinMar 2022 - Oct 2022 • 8 mosProject: Revalcoin - a convenient and fast wallet that allows both storing cryptocurrencies and exchanging them securely Technologies: PHP, Laravel, Vue.js, Jquery, Docker, PostgreSQL, Solidity, Smart Contract Development and audit. Solutions: - Creating a REST API based on the existing functionality; - Adding additional technical features based on new requirements; - Remodeling of the main site with changes in the technical stack; - Embedding a new workflow on the management side.

Team Lead

Quan2umNov 2021 - Mar 2022 • 5 mosProject: Quan2um - a trading platform with its own token BTCA. Technologies: CSS, HTML, Laravel, MySQL, PHP, React JS, Redis, Node JS. Solutions: - Implemented a special logic of separation and isolation of individual parts of the project to ensure greater safety of the project; - Introduced a proprietary mechanism for listing new coins and adding currency pairs; - Developed a progressive and tiered system of loyalty on the user commissions. - P2P translations within the exchanger

Blockchain Developer

Bitcoin AdditionalJun 2021 - Jan 2022 • 8 mosProject: Bitcoin Additional - the crypto wallet for the BTCA token Technologies: Laravel, MySQL, PHP, React JS, Redis. Solutions: - Created a cryptocurrency wallet; - Developed Contact Book of Wallet Users; - Made QR code transfers available; - Configured Shake-to-pay functionality (rub your smartphone to make an instant transaction to the user closest to you); - Implemented algorithms to detect and fix vulnerabilities in the application; - Provided database coding;

Blockchain Developer

Orion ProtocolJan 2021 - Oct 2021 • 10 mosProject: Orion Protocol - a convenient system for investing in DeFi Technologies: Solidity, Smart Contract Development and audit, Node js, blockcypher, API of Binance, Mysql, Redis, Memcached, React.js, Crypto Exchanger Development, Blockchain DEX, NFT aggregator. Solutions: - Creation of a Bridge mechanism to transfer tokens between networks; - Implementation of SDK for working with services of the project; - Optimization of interaction between project services and blockchain.

Full Stack Developer

GsdiamondsMar 2020 - Oct 2021 • 1 yr 8 mosProject: Gsdiamonds - diamond jewelry marketplace with a custom ring builder. Technologies: CSS, HTML, Laravel, MySQL, PHP, React JS, Node JS. Solutions: - 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, Adyen; - Added product margin calculators to SRM; -Provided the opportunity to manage through the CRM/CMS almost any content on the site.

Full Stack Developer

StarkFutureJun 2020 - Feb 2021 • 9 mosProject: StarkFuture - the e-commerce for electric bikes like Tesla Technologies: CSS, HTML, MongoDB, Node JS, Vue JS. Solutions: - Released a custom motorbike builder - Developed a complex formula to calculate the price (taking into account different parts/modifications, discounts, and different countries); - Added multilingualism (20+) to the website - Implemented a system of discounts for dealers (different levels); - Dealers multilevel affiliate program; - Modified administration panel.

Full Stack Developer

MyfinanceMar 2021 - Sep 2021 • 7 mosProject: MyFinance - the high-speed SaaS platform that allows you to manage personal finances and build a capital development strategy. Technologies: CSS, MySQL, PHP, Yii2, Node JS. Solutions: - Reworked the site after the previous team; - Configured the ability to connect the site via API to all banks in Germany; - Provided real-time synchronization with data from banks; - Adapted the ability to track and analyze personal spending; - Implemented smart sorting of expenses;

Education

NTUU KPI

Bachelor's Degree, Department of System Programming and Specialized Computer SystemsSep 2008 - Jul 2012

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🚀 A-Z Software Development & Design – FinTech & DeFi Solutions at @Peiko

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.

Available Now

Book a Call

Valerii Fomenko

Web3 Developer • Full-stack Engineer • Mobile Developer • Tallinn, Harju County, EE

Javascript

Express.js

Jest

WebSocket

PostgreSQL

Web Applications

Mobile Development

MERN

MongoDB

MySQL

Next.js

React

React Native

Node.js

Ethereum

Blockchain

NFTs

Smart Contracts

Cryptocurrency

Solidity

Available for hire fromNegotiable

Full-Time Roles

Contracts

Projects