Illia Dunaiev
Private message
Offer work
Zaporizhzhia,
Ukraine
available for hire
Rating
CV
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 creating and managing accounts in social networks and apps (Discord, WhatsApp, Telegram, Instagram, Twitter, etc.). Automatic registrations, checks, etc. Bypass of restrictions, captchas, fingerprint masking.
Bots: creating bots for Discord, WhatsApp, Telegram (and other messengers and social networks), as well as gaming bots.
Neural Networks: creating models from scratch or fine-tuning existing ones for specific tasks. Analytics and data collection. Speech, audio, and video processing, classification, detection, generation, etc.
AI LLM: writing agent-based and multi-agent systems. Building pipelines (RAG, DEEPRAG, VectorDB, etc.). Automation using N8N/MAKE.
Trading (Spot and Futures): creating trading bots for algorithmic trading, strategy backtesting, strategy development, trade automation, copy bots for platforms such as Binance, MEXC, Gate.io, etc.
Cryptocurrency: creating smart contracts, auto-buy systems, NFT bots, and automation for clicker games like Hamster Kombat. Parsing and analytics of transactions/blocks. Node setup and maintenance.
Browser extensions.
Fullstack website development.
Fullstack mobile application development.
And many other projects and topics. Browse the portfolio.
Hardskills:
Frontend: HTML/CSS | JavaScript | React/Vue/Angular | Responsive Design | Frontend Tools (Webpack, Babel, ESLint, npm/yarn)
Backend: Node.js/Express.js/Typescript | Python/Django/Flask | Ruby on Rails | Java/Spring | PHP/Laravel | RESTful API | GraphQL | Authentication/Authorization (JWT, OAuth) | Bun | Go
Databases: SQL/NoSQL (PostgreSQL, MySQL, MongoDB, Redis) | ORM (Sequelize, TypeORM, Django ORM) | Database Design
DevOps and Infrastructure: Version Control (Git) | CI/CD (Jenkins, GitLab CI, GitHub Actions) | Containerization (Docker/Kubernetes) | Cloud Services (AWS, Google Cloud, Azure)
Crypto: Blockchain | Smart Contracts | Solidity | Web3.js | Ethereum | Binance Smart Chain | Solana | Metamask | Hardhat | Truffle | Ethers.js | IPFS | Crypto Wallets | DeFi | NFTs | Cryptography | zk-SNARKs
AI (neural networks): Python (Tensorflow, pytorch, pytorch lightning, sklearn) | Polars, Pandas, SQL, Arrow
LLM: N8N/MAKE | GPT/Claude/Gwen/Grok | PydanticAI/Langgraph
I guarantee quality and on-time delivery. I also provide daily updates on development progress. I would be glad to cooperate with you!
Skills and abilities
Programming
Mobile development
Administration
Portfolio
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2500 USD Esoteric Mobile App Backend with AI
AI & Machine Learning
Designed and built the full backend for an esoteric mobile platform — palm reading, natal charts, and other personalized prediction features.
Set up async worker queues with Dragonfly for handling multiple prediction types without bottlenecks. Built the user profile system, internal admin panel, and integrated Supabase for authentication.
Python, FastAPI, Dragonfly (Redis-compatible), Supabase, REST API, asyncio, langchain, pydanticAI, LangGraph
… #fastapi #python #backend #mobilebackend #supabase #restapi #asyncio #AI #Langchain #LangGraph
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2000 USD 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.
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400 USD X (Twitter) Mass Scraper with Isolated Browser Profiles
Data Parsing
Built a stealthy, scalable scraping system for X (Twitter) that handles large volumes without getting flagged. The setup was fairly involved:
Sourced aged, warmed-up accounts and paired them with mobile proxies. Created isolated browser profiles with spoofed fingerprints — TCP stack, browser core, canvas, and more — using Camoufox and Dolphin Anty. Built in CAPTCHA solving, block detection, and realistic human behavior simulation.
… The scraping API itself was built on FastAPI with Celery queues, supporting both batch and targeted collection requests. The architecture was designed to scale easily without rebuilding anything.
Tech Stack: Python, FastAPI, Celery, Camoufox, Dolphin Anty, Mobile Proxies
#webscraping #twitterscraper #datamining #python #fastapi #antidetect #automation #parsing
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156 USD Ukrainian Legislation RAG System + MCP Server
AI & Machine Learning
Built a RAG (Retrieval-Augmented Generation) system over the full body of Ukrainian legislation from data.rada.gov.ua, packaged as an MCP server for use with LLM-based legal tools.
Collected all published laws via API without hitting rate limits. Built the retrieval pipeline using Haystack and Qdrant for vector search. Wrapped it as an MCP tool so any LLM can query Ukrainian law in context — useful for legal research, compliance checks, and jurisprudence workflows.
… Tech Stack: Python, Haystack, Qdrant, MCP, REST API, NLP
#rag #llm #legalai #mcp #python #nlp #vectordatabase #haystack
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500 USD Twitter Influencer Account Automation Platform
Bot Development
Automation system for managing and growing 100+ model influencer accounts on Twitter — publishing content, building follower networks, and engaging with users, all without human intervention.
Built a FastAPI backend and React admin panel to manage campaigns. Connected everything to Dolphin Anty via CDP for browser-level automation. Running 10 profiles simultaneously, with CAPTCHA bypass, temporary block handling, AI-generated posts and replies via LLM, and realistic mouse movement to avoid detection.
… Tech Stack: Python, FastAPI, React, Dolphin Anty, CDP, LLM
#twitterautomation #socialbot #python #fastapi #cdp #llm #automation #growthbot
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178 USD OLX New Listing Monitor
Data Parsing
Scraped and monitored the OLX marketplace for new listings matching custom filters — built entirely from scratch. Sends alerts as soon as a matching listing appears, so you're not refreshing manually.
Async Python for speed, Dolphin Anty for browser automation and fingerprint management to avoid detection.
… Tech Stack: Python (asyncio), Dolphin Anty, Playwirght
#olx #webscraping #parser #python #monitoring #automation #realtime
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223 USD Solidity / Solana Security Analyzer Scraper
Data Parsing
Automated data collection from multiple smart contract security analysis platforms: Honeypot.is, Go+ Security, Quick Intel, Token Sniffer, and several others.
Each platform had its own quirks. The main challenges: generating unique browser fingerprints per request with rotating proxies, handling CAPTCHAs reliably at scale, and reverse engineering the internal APIs of a few tools that didn't have public endpoints. Ran against large token lists with parallel workers.
… Tech Stack: Python, Rotating Proxies, Browser Fingerprinting, Reverse Engineering, asyncio
#solidity #blockchain #webscraping #antidetect #python #security #parser #automation
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700 USD 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 historical archive nodes per network. Then built a parametric bulk ingestion system using NATS as the message broker and ScyllaDB for storage — fast enough to handle the volume without falling behind. Reporting and dashboards were built on top of ClickHouse.
… Tech Stack: Rust, NATS, ScyllaDB, ClickHouse, Solana, Ethereum, BSC
#blockchain #dataanalytics #defi #solana #ethereum #scylladb #clickhouse #onchaindata
Reviews and compliments on completed projects 4
20 May
223 USD
And an information gathering agent
Excellent.
Great job! The task was technically challenging due to the strict anti-fraud system of Midjourney, but the performer demonstrated a deep understanding of browser automation and security.
What I particularly liked:
Reliability: The script runs stably over long sessions (tested up to 15 hours of continuous operation). The algorithm clearly maintains the queue, reads prompts from a file, and correctly pauses for generation.
Flexibility: The tool allows for self-adjustment of limits and timings, making it resilient to future updates of the website interface.
Account security: This was a key point, and the implementation exceeded expectations.
On the approach to "human-like" behavior:
The performer implemented a multi-level imitation of real user actions. The bot does not just "dump" text but uses emulation of physical key input with variable speed and micro-pauses (simulating the thoughts or typing of a live person). A non-linear trajectory of cursor movement and random delays between clicks have also been implemented, completely negating mechanical patterns that are usually tracked by protection algorithms.
The result is a stable, autonomous tool that saves a lot of time. I recommend them as a top-class specialist in the field of automating complex web processes!
9 May
16 USD
Browser extension
Everything is good, he/she is diligent in relation to the project.
