REST API

Anatoliy

Bot Development · Web Programming

122 0

5.0

27 743

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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 1

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 0

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 0

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 0

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 0

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 (…

Yurii Danylovych

Python · Web Programming

45 0

4.9

1 813

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I am an experienced developer who creates high-quality web solutions for businesses. I specialize in full-stack development using Django, ReactJS, modern front-end technologies (HTML, CSS, JS), back-end development, custom CMS, UI design, and Shopify. We take on projects: From scratch — from concept to launch Refine and optimize existing websites Turnkey — comprehensive development of platforms, web applications, and eCommerce solutions Key technical skills: Full-stack development (Django + ReactJS) Frontend: HTML, CSS, JavaScript, responsive design Backend: Django, REST API, integrations…

Andrii

Python · Bot Development

54 2

5.0

1 909

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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…

Oleksandr Kovalchuk

Bot Development · Python

13 0

5.0

1 043

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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…

0 240

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

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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

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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

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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,…

Tetyana

Web Programming · Bot Development

1 0

211

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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

0 345

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

0 270

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

210

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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,…

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