web developer Solidity python telegram bot web3 ethereum golang cryptocurrency telegram python bot prototyping
Vadim

Vadim

Ukraine Plus

Cryptocurrency & Blockchain · Website Development

10 0
5.0
5 229
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Peiko — AI & Web3 Development Company for Scalable Digital Products Peiko is a full-cycle software development company that has been helping startups, technology companies, and enterprise businesses build and scale complex digital products since 2017. Our core areas of expertise are AI solutions and Web3 products. We also have extensive experience in developing SaaS platforms, FinTech systems, marketplaces, high-load web platforms, and mobile applications. Over the years, we have successfully delivered 120+ projects for clients from the United States, Europe, and other international markets,…
Crypto exchange | DeFi Ecosystem | Node.js | React | JavaScript
128
Crypto exchange | DeFi Ecosystem | Node.js | React | JavaScript
Cryptocurrency & Blockchain
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…
Crypto wallet KYC: Token Management | React Native
117
Crypto wallet KYC: Token Management | React Native
Cryptocurrency & Blockchain
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-…
Crypto exchange | web app | PancakeSwap | Solidity | React
107
Crypto exchange | web app | PancakeSwap | Solidity | React
Cryptocurrency & Blockchain
The idea of the project was to make a fork of PancakeSwap (pancakeswap.finance), but adjust the open-source code of PancakeSwap in accordance to client's designs. We successfully did the auditing and further integration of client's own smart-…
Crypto exchange Simpleex | Crypto wallet | Laravel | React
101
Crypto exchange Simpleex | Crypto wallet | Laravel | React
Cryptocurrency & Blockchain
A P2P exchange for buying and selling digital assets, where users can trade digital assets. Peiko implemented digital wallets to store USDT (TRC-20), and all transaction fees are sent to the customer's wallet. Peiko also implemented a platform where…
SaaS The Aviator - online casino game | Node.js | React | PHP
89
SaaS The Aviator - online casino game | Node.js | React | PHP
Cryptocurrency & Blockchain
The Aviator game is an online casino game themed around aviation. Peiko realized such features: - Central interface for players to access the Aviator Game. - Visual elements and design that align with the aviation theme. - Functionality to place…
Vladislav Gostiuc

Vladislav Gostiuc

United Kingdom

Web Programming · Cryptocurrency & Blockchain

5 1
5.0
711
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I'm a Full Stack Developer with 9+ years of experience building scalable Web and Mobile apps across AI, SaaS, and Fintech domains. I specialize in React, Next.js, Node.js, Python, React Native, and Flutter, delivering high‑performance solutions from concept to deployment. My projects include AI chat systems, onboarding assistants, content automation tools, and financial tracking platforms, each focused on efficiency, automation, and user impact. I combine clean architecture, secure APIs, and excellent UI/UX to ship products clients love. If you need a developer who can handle full‑stack AI…
Staderlabs staking platform
340
Staderlabs staking platform
Cryptocurrency & Blockchain
Stader Labs is a liquid staking platform designed to provide users with the ability to stake their cryptocurrency assets while maintaining liquidity. This innovative approach allows users to earn staking rewards without locking up their tokens for a…
Magic Eden NFT marketplace
361
Magic Eden NFT marketplace
Cryptocurrency & Blockchain
Magic Eden is a prominent NFT marketplace that facilitates the buying, selling, and collecting of non-fungible tokens (NFTs) across multiple blockchain networks.
Nikita Kochetkov

Nikita Kochetkov

Ukraine

Bot Development · Cryptocurrency & Blockchain

24 0
442
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Detection of walls on cryptocurrencies
107 USD
2 840
Detection of walls on cryptocurrencies
Cryptocurrency & Blockchain
The program finds walls on any Binance exchange coins Difference Between Bids and Ask Find walls by BTC/USD by Binance, Bitfinex, Bitstamp, Gdax, Kraken, Poloniex Difference by Bids and Asks by Stock Exchange You can add / edit / remove coins…
Notification of Cryptocurrency Pamps and Damps
447 USD
420
Notification of Cryptocurrency Pamps and Damps
Cryptocurrency & Blockchain
The program collects information from the exchange, and analyzes the change of the course of all couples on the exchange. If the program sees that the pair enters a pump or dump, it will inform you about it. This is done so that you could multiply…
Serhii

Serhii

Ukraine

Cryptocurrency & Blockchain · Javascript and Typescript

3 0
784
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by Octogamex
466
by Octogamex
Cryptocurrency & Blockchain
NFT Marketplace , NFT Metadata , Smart Contract , NFT Collection Generation , NFT Art , Etherscan , Utility Token , Ethereum Network , Tokenomics , NFT Character , NFT , Product Roadmap Octogamex is a decentralized NFT marketplace developed for…
Property
523
Property
Cryptocurrency & Blockchain
Ownity is the first aggregating NFT co-ownership platform. It enables anyone with an Ethereum wallet to explore the major marketplaces for top collection NFTs, co-purchase and co-manage them, trade their fractions, and split any rewards they may…
BRing Finance
10 000 USD
348
BRing Finance
Cryptocurrency & Blockchain
bRing is a decentralized cross-chain platform with unique Defi features. The two main benefits of our platform are liquidity staking and farming.
Nikolay Semenyuta

Nikolay Semenyuta

Ukraine

Cryptocurrency & Blockchain · Javascript and Typescript

6 0
842
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7+ years of commercial experience in software development. 4+ years of experience in blockchain development (dApps for EVM based blockchains) Arrived as React developer then start extensive research into crypto market, DeFi, and blockchain solutions. Practical experience with Ethereum, Solidity, OpenZeppelin, React js, Truffle, Web3, Ganache, REST. Created and deployed ERC20 token smart contracts (Ethereum, Polygon nettworks, solidity). Designed and implemented frontend layer using React. js, JavaScript, CSS, HTML. Ticker module utilizing web socket channel and asynchronous API calls to…
Metadata for 3D NFT Collection
100 USD
593
Metadata for 3D NFT Collection
Cryptocurrency & Blockchain
Task: Create a metadata for a full 3D display of the NFT collection in which all the images are the same. The model should be interactive both in the wallet and on the marketplace. Execution: A metadata with the necessary attributes was generated…
Remint Solana NFT App
1000 USD
585
Remint Solana NFT App
Cryptocurrency & Blockchain
Prehistory: the client released a collection on a lounchpad, where he was wrongly made a metadata and confined the entire collection + did not give access to the account authority updates. Task: Create a site where the user will be able to connect…
NFT collection on Ethereum
300 USD
594
NFT collection on Ethereum
Cryptocurrency & Blockchain
Task: Create a NFT collection on Ethereum Implementation: After the call with the customer discussed all the points, I got layers and started the generation of images with a metadata. Further, a smart contract was created with all the wishes of…
50 USD
347
by Solana Airdroper
Cryptocurrency & Blockchain
Task: Write a script for the automatic sending of tokens and NFT to the Solana network to the address list.Implementation: A realised Python script based on Solana CLI with two operating modes: 1 .The user enters the token address name and the…
ERC1155 Certificate for 01k Academy
300 USD
384
ERC1155 Certificate for 01k Academy
Cryptocurrency & Blockchain
Task: Make non-transferable NFT certificates for academic students.Implementation: After consultation, the decision was made to implement certificates on the basis of the ERC1155 contract in the Polygon network.I made a contract taking into account…
Illia Dunaiev

Illia Dunaiev

Ukraine

Python · Cryptocurrency & Blockchain

4 0
5.0
171
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Hello, my name is Ilya, and I am an experienced freelancer with over 5 years of work experience in various fields. I am a Multi-stack Developer. I have participated in, developed various parts of, or full projects in different fields and tasks listed below. Projects: Parsing: products, data, videos, photos, and everything that can be found on the internet. Including captcha bypassing, proxy usage, etc. I have ready-made tools capable of processing more than 5 thousand requests per second, depending on the resource. Automation: browsers, applications, programs (Desktop and Mobile). Includes…
Lotos
2000 USD
48
Lotos
Cryptocurrency & Blockchain
Worked as a backend and scraping specialist for the site lotos io. Implementing data collection from web3. Working with nodes, as well as backend work with web3.
Multi-Chain DeFi Data Pipeline (Solana / ETH / BSC)
700 USD
56
Multi-Chain DeFi Data Pipeline (Solana / ETH / BSC)
Cryptocurrency & Blockchain
Large-scale on-chain data collection and analytics infrastructure across three networks: Solana, Ethereum, and BSC. The goal was to build a fast, proprietary analytics database rather than relying on third-party explorers. Started with deploying…
Viktorya

Viktorya

Armenia

Web Programming · Cryptocurrency & Blockchain

0 0
270
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Full-Stack / Backend Developer with 9+ years of experience in building SaaS platforms, automation systems, APIs, admin panels, and scalable web applications. Main specialization: Backend development with PHP / Laravel Complex business logic and system architecture REST API and third-party integrations Payment systems and process automation High-load and scalable web applications ⚙️ Technologies I work with: PHP, Laravel, Node.js MySQL, Redis REST API and external integrations Linux, Nginx JavaScript, jQuery SaaS platforms and admin systems Automation and infrastructure tools Over the years…