PostgreSQL

119

Anatoliy

Bot Development · Web Programming

132 0

5.0

29 907

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Trusted Full Stack Developer I’m an experienced Full Stack Developer specializing in modern web applications, Telegram and WhatsApp bots, mobile apps (Android/iOS), automation scripts, and browser extensions. I handle the entire development cycle — from idea and architecture to launch and support. I work clearly, transparently, and result-oriented. Technologies I use daily: Frontend: React, Next.js, Vue.js, Nuxt.js HTML5, CSS3, SASS, Tailwind CSS, Bootstrap 5 JavaScript (ES6+), TypeScript Zustand, Redux Toolkit, Context API Framer Motion, React Hook Form, React Query, Axios, SWR Webpack, Vite…

SANCHO — Telegram Mini App built with React + TypeScript

750 USD

0 60

SANCHO — Telegram Mini App built with React + TypeScript

Bot Development

SANCHO is a Telegram Mini App frontend: product and plan catalog, crypto payment, user account and FAQ. The app opens inside Telegram and uses its theme and WebApp SDK. What was built: — React 18 + TypeScript (strict) on Vite — Telegram WebApp…

Telegram bot for construction control — AI, geo, media

2000 USD

0 11

Telegram bot for construction control — AI, geo, media

Bot Development

An AI assistant in Telegram for managing technical supervision on construction sites. The bot runs scheduled morning and evening reports, walks users through checklists with verified geolocation, archives photos, videos and documents to an external…

Polymarket Bot — copytrading & arbitrage (on-chain)

1500 USD

0 12

Polymarket Bot — copytrading & arbitrage (on-chain)

Bot Development

A high-performance bot for Polymarket sports markets: it copies trades of target accounts, finds arbitrage against sportsbook lines, and trades on a multi-signal strategy. Trades execute on-chain on Polygon. What was built: — Three modes: Smart…

$Bybit fractal & FVG scanner bot — Telegram signals (Python)$

450 USD

0 9

Bybit fractal & FVG scanner bot — Telegram signals (Python)

Bot Development

An automated bot for the Bybit exchange that finds trade setups based on fractal and Fair Value Gap (FVG) patterns and sends signals to Telegram. The bot scans all USDT perpetuals, finds three-candle down fractals on a higher timeframe, monitors…

CS2 skin trading bots suite — cross-market arbitrage automation

1500 USD

0 7

CS2 skin trading bots suite — cross-market arbitrage automation

Bot Development

A set of automations for arbitrage trading of CS2 items: buy cheaper on some marketplaces and sell higher on others. A single TypeScript monorepo with browser extensions, a desktop seller and service bots. What was built: — Browser extensions (…

Andrii

Python · Bot Development

55 2

5.0

1 890

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I'm a backend developer with over 4 years of freelance experience, focused on building clean, scalable, and reliable web systems using Python, Django, and PostgreSQL. I specialize in backend architecture, REST API development, and automation solutions for startups, solo entrepreneurs, and small businesses. My core stack includes Django and Django REST Framework, combined with PostgreSQL, Celery, Redis, and Docker for robust production-ready deployments. I build everything from internal ERP modules and client CRMs to custom dashboards, Telegram bots, and third-party API integrations. I'm…

Dmytro Myrhorodskyi

Python · Bot Development

13 0

5.0

3 247

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About MeA multidisciplinary engineer with a rare skill set in deep system analysis, protocol reconstruction, and high-performance backend development. I’m comfortable working in environments where:no documentation exists,code is minified, obfuscated, or closed,APIs are hidden, unstable, or partially removed,system architecture is unknown,and the task is considered “impossible.”My background was shaped in Web3, crypto exchanges, automated trading systems, and complex web platforms — where the goal is not just to write code, but to understand how the system works at a deeper level than its…

Nick Osipov

Python · Bot Development

41 4

4.6

2 656

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Title: Senior Full-Stack Python Developer & Tech Lead | Web4Business Founder About Me: Looking for a senior developer who understands business goals, delivers on time, and won't disappear halfway through the project? I am a Full-Stack Python Expert and the founder of Web4Business I specialize in building scalable web applications, complex automation (parsing/scraping), Telegram bots, and Web3/Crypto integrations. How I work: I am not just a coder; I am your technical partner. I personally design the architecture, write the core logic, and manage the entire lifecycle of your project. To ensure…

336 USD

0 784

Bot with Webinterface for Claym Coins

Bot Development

Language: Python The Libraries: The Selenium by Gui (PyQt5) The program has a flexible interface that allows you to set the coins clay (HOT) in multi-precision with the right delay on the unlimited token call (Without proxy)

Nazar

Bot Development · Python

71 0

2 293

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Long-term cooperation — quality and deadlines are the priority I build complex web products end-to-end with 7+ years of experience. I specialize in CRM systems and Telegram bots. I design architecture from scratch and maintain live products with real users. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FRONTEND ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Core ▪ React 19, TypeScript, Vite ▪ Material UI v7, Tailwind CSS v4 ▪ Material React Table v3 State & Forms ▪ Zustand, React Hook Form, Yup Real-time & API ▪ Socket.IO Client, Axios ▪ lightweight-charts (trading charts) UX & i18n ▪ i18next / react-i18next (multilingual…

500 USD

0 671

Team Lead for telegram game

Bot Development

Project stack: React.js, TypeScript, NodeJS, MongoDB Some examples of my completed tasks Dividing the backend and frontend into a dev version and a prod version Configuring autodeployment over the dev version ((front + autocompilation) + back)…

224 USD

0 443

Welcome bot builder

Bot Development

This bot can [+]Accept users [+]Plan mailings to users months in advance [+]Make forced mailings [+]Give up-to-date statistics on users (you can see it on the screenshot) The bot supports multilingualism and multibotting, that is, there is no…

Bot to create referral links for telegram channels

45 USD

0 415

Bot to create referral links for telegram channels

Bot Development

The task: Create a bot that will create individual links for the telegram channel, with enabled login requests Maintaining statistics on current participants and applications on all added chats. Statistics on each channel of each referral link…

Boot for sale of photo and video materials

101 USD

1 1 094

Boot for sale of photo and video materials

Bot Development

A bot is created to sell photo and video materials for arbitraries and content makers. Introduced cryptocurrency payment system for subscription payments Subscriptions in the form of photo/video limit Photo storage and keyboard removal are done…

101 USD

0 868

Boat for the Prognosis Competition

Bot Development

A bot and a parser were created for the competition for different matches. In this bot for the competition was created a league filter mechanism, the bot supports translation through the json file into different languages. Matches are…

Dmitro

Bot Development · Web Programming

25 0

5.0

1 017

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SalesDrive + integration with Telegram (api, webhook)

1500 USD

0 212

SalesDrive + integration with Telegram (api, webhook)

Bot Development

Integration of Telegram with salesdriver @Maystry_bot Telegram as a client for masters

Roman

Data Parsing · Bot Development

105 0

5.0

1 922

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Telegram bot for carriers and cargo deliveries

336 USD

1 236

Telegram bot for carriers and cargo deliveries

Bot Development

Telegram bot for carriers and cargo customers. A system for searching and publishing transportation requests has been implemented throughout Ukraine and Europe. The bot allows carriers to create routes and receive notifications about new orders…

67 USD

0 328

Telegram BOT for giveaways | WEB

Bot Development

A full-featured system for organizing and managing giveaways in Telegram. The project consists of a bot that interacts with users and an administrative panel for managing giveaways. Main functions: Participant registration: The bot registers users…

Telegram bot with web interface for traffic tracking|Traffic

67 USD

0 292

Telegram bot with web interface for traffic tracking|Traffic

Bot Development

This project combines a Telegram bot and a web interface for efficient traffic and referral source tracking. The bot handles commands, checks channel subscription, and redirects users to campaign target URLs. The web interface allows creating and…

Telegram bot that sends new ads from the olx service

67 USD

0 797

Telegram bot that sends new ads from the olx service

Bot Development

Telegram bot that automatically sends notifications about new listings from the olx.pl service. It allows you to track multiple links simultaneously, so you quickly receive information about offers that interest you. An ideal solution to not miss the…

90 USD

1 427

Pinnacle Odds Bot | Football Live bet

Bot Development

Telegram bot that sends changes in odds from Pinnacle. You can select multiple leagues to monitor and choose the % at which you are interested in the change. The bot notifies about all upcoming matches for which the line has been released by Pinnacle…

Volodimir Nikolsky

Bot Development · Data Parsing

31 0

4.8

1 544

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I develop Telegram bots and business process automation using Python, helping businesses save time, automate routine tasks, and scale their workflows. I have practical experience creating Telegram bots, automation systems, and tools for data processing. I also work with product importing and synchronization for e-commerce platforms (Shopify and similar platforms). How I can help: • Development of Telegram bots of any complexity • Automation of business processes using Telegram • Website scraping and data collection • Automatic product import to Shopify and other platforms…

Modernization of a Telegram Recruiting Bot

179 USD

0 202

Modernization of a Telegram Recruiting Bot

Bot Development

The client had a working Telegram bot, but it required optimization and new features to improve user experience and enhance the efficiency of the recruitment process. Implemented improvements: - Resolved stability issues, ensuring the bot runs…

90 USD

0 184

Table Tennis Booking

Bot Development

A Telegram bot was developed for the client to fully automate the location booking process without the need for manual handling of requests. Users follow a simple and intuitive workflow: they select a location, booking duration, date, and available…

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