REST API

Anatoliy

Bot Development · Web Programming

136 0

5.0

32 640

Go to profile

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 65

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 12

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 13

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 10

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 9

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

Go to profile

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…

Oleksandr Kovalchuk

Bot Development · Python

16 0

5.0

1 059

Go to profile

A Software Developer with 3+ years of experience in building web applications, chatbots, custom automation solutions and AI-integrations. I specialize in delivering secure, scalable, and efficient systems tailored to client needs. What I Do • Backend Development – Creating and maintaining backend solutions for e-commerce, trading algorithms, and automation bots using Python, Django, and REST APIs. • Frontend Development – Building responsive and user-friendly interfaces with React, Tailwind, Bootstrap, and modern JavaScript tooling. • Chatbot Development – Integrating APIs and automation…

0 249

ByBit TokenSplash Parser Telegram Bot

Bot Development

Telegram bot that provides real-time insights into active ByBit TokenSplashes promotions. It can display a comprehensive list of ongoing campaigns along with key details, including the number of participants, promotion period, user count, rewards,…

Oleg

Bot Development · Python

14 0

5.0

1 012

Go to profile

Python Backend Engineer | AI Agents, APIs & ChatbotsHello! I am a Python Software Engineer with 3.5+ years of experience helping startups and businesses build reliable backend systems, AI-driven automation, and intelligent chatbots.What can I help you with:AI-powered agents and assistants (OpenAI, LangChain, CrewAI)Scalable REST APIs and backend services (FastAPI, Flask)Telegram, Discord, and Slack bots for automation and customer interactionIntegration with third-party APIs, payment systems, and internal servicesCrypto-related services and blockchain toolingKey achievements:Designed and…

Yevhen Kucher

Python · Bot Development

19 1

4.7

1 126

Go to profile

My Tech Stack ⚙️ BackendFastAPI – building fast and reliable REST APIsaiohttp – asynchronous web applications and services Caching & QueuesRedis – caching and fast data storageCelery – asynchronous task processingKafka, RabbitMQ – message brokering and queue management Telegram Botsaiogram – modern asynchronous botstelethon – low-level Telegram API integration️ Data Parsing & AutomationSelenium – browser automationPlaywright – fast and reliable scraping I deliver high-quality work, write clean code, and pay attention to details. Open to long-term collaboration and interesting projects.

Valerii

Python · Bot Development

1 0

228

Go to profile

Full-Stack Python Developer | QA Engineer | Web & Desktop Software Hello! I am a Full-Stack Python developer and QA engineer with experience in creating, integrating, and comprehensively testing modern web applications, desktop software, and Telegram services. I specialize in developing reliable backend solutions based on Flask and PostgreSQL, as well as creating asynchronous bots and Telegram Mini Apps (TMA) that provide fast response times and a seamless user experience. A significant separate direction of my work is desktop software development. I create high-performance, cross-platform,…

Mykyta Marchenko

Python · Web Programming

14 1

4.7

1 535

Go to profile

Mykyta Marchenko is an experienced programmer and freelancer specializing in the development of bots, scripts, and automated solutions using Python and Node.js. I work professionally with the Telegram API, creating reliable, fast, and scalable bots for businesses, services, and startups. I have deep expertise in: developing Telegram bots of any complexity automating processes and writing custom scripts integrating APIs and third-party services applying artificial intelligence and data analytics processing, analyzing, and visualizing data In my work, I focus on code quality, security,…

0 199

Telegram bot for business automation (CRM / Analytics / AI)

Bot Development

Professional Telegram bot created as a single system for managing business processes directly in Telegram. The bot simulates a full-fledged CRM panel and allows for convenient management of applications, payments, analytics, clients, and internal…

0 201

Telegram bot mirror + translator

Bot Development

A Telegram bot that can "steal" posts 1 to 1 from selected Telegram channels. After that, they are sent to a technical channel where you can choose to post them or not in your selected channel. Available translation of posts based on AI Llama 3 from…

0 238

Survey and post analytics bot

Bot Development

There was an order to create a Telegram bot for analytics for the company Grand Car. The bot can: 1. Surveys: ✓ Can conduct surveys ✓ Can track who voted (name, username, ID) ✓ Tracks the user's option ✓ Percentage ratio of those who voted/…

Tetyana

Web Programming · Bot Development

1 0

211

Go to profile

Senior Full Stack Developer | Web Systems, AI Bots, Scraping, CRM & CMS SolutionsI help businesses build powerful digital tools — from fast, modern web apps to smart bots, custom scrapers, CRM systems, and AI-driven workflows. With 8+ years of experience across full-stack development, automation, and data integration, I deliver solutions that are fast, scalable, and tailored to your real-world needs.Whether you need a full-featured web platform, a Telegram bot that talks to APIs, an intelligent parser for e‑commerce sites, or a CMS you can actually manage — I’ve done it.My core tech includes…

1000 USD

0 350

Telegram bot for a shop

Bot Development

A bot for store telegrams and an admin panel were developed Skills and deliverables Business Applications Consultation Software Developer Software Integration Migration

500 USD

0 275

Telegram Bot + Gamified Dashboard UI

Bot Development

Designed and developed a full-featured Telegram mini app for managing virtual earnings and upgrades using xAIFI tokens. The dashboard features a clean UI with progress tracking, real-time profit stats, and max-level upgrade mechanics inspired by Web3…

Vitalii Karasov

AI & Machine Learning · Bot Development

1 0

214

Go to profile

I design and build AI-powered automation systems that eliminate repetitive manual work across entire business operations — lead generation and qualification, CRM management, content production at scale, competitive intelligence, sales outreach sequences, customer onboarding, data extraction and enrichment, internal reporting, email marketing, document processing, and cross-platform integrations. My technical stack: n8n (self-hosted and cloud), Claude Code, Claude API, ChatGPT API, Python, Supabase (pgvector for RAG), Docker, Make.com, webhooks, REST APIs, Google Sheets automation, Airtable,…

<< < 1 2 3 4 5 6 >

Latest projects