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Python · Bot Development

Ukraine Lvov, Ukraine
1919
 54  2

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


Oleg — bite322

Bot Development · Python

Ukraine Odessa, Ukraine
1082
 14  0

…(Telegram, Discord, Slack) that automated workflows and significantly reduced manual operations.Developed and maintained production-grade RESTful APIs used across multiple services and clients.Integrated AI and automation tools into existing systems, helping clients increase productivity and create new revenue streams.Improved system performance and reliability by introducing async programming, Celery background tasks, and Docker


Vitalii — redif

Web Programming · Bot Development

Ukraine Kyiv, Ukraine
Where others see a problem — I see an algorithm
201
 9  0

Development – landing pages, corporate websites, e-commerce, SaaS solutions ✅ Telegram Bots – automation, chatbots, CRM systems, marketing tools ✅ API & Database Integration – payment systems, CRM, AI solutions ✅ Performance & Security Optimization – speed, security, scalability Technologies: Front-End: React, Redux, SCSS, Webpack, PWA ⚙️ Back-End: Node.js (Express), WebSockets Databases: MongoDB, MySQL, PostgreSQL DevOps: Nginx, Docker


Web Programming · Bot Development

Ukraine Lvov, Ukraine
1572
 1  0

I am a highly skilled senior web developer with 6 years of professional experience in designing, developing, and maintaining complex web applications. I specialize in both front-end and back-end development, using technologies such as JavaScript, TypeScript, React, Node.js, RestAPI, Redis, AWS, Docker


Data Parsing · Bot Development

Ukraine Kharkiv, Ukraine
241
 25  0

CRM integrations, and custom admin panels (Aiogram, Pyrogram). Web Development: Building fast and scalable websites and APIs using Django, Flask, and FastAPI. Web Scraping & Automation: High-complexity data extraction (Selenium, BeautifulSoup, Scrapy) and automation of repetitive tasks. Database Management: Designing and optimizing relational and non-relational databases (PostgreSQL, MySQL, SQLite, MongoDB). DevOps & Deployment: Docker


Hybrid Mobile Apps · Bot Development

Ukraine Kyiv, Ukraine
226
 14  0

man who will cover all your digital needs: from brand strategy and design to code, cloud, automation, and marketing funnels. I launch turnkey products that look great, work steadily, and grow faster than you can update your dashboard . What exactly do I do Development and architecture Flutter / React / Next.js, Node.js / Python / PHP / Go, WebRTC streaming, GraphQL, microservices, serverless, IoT (Raspberry Pi, Arduino), DevOps (Docker,…


Bot Development · Python

Ukraine Dubno, Ukraine
570
 16  2

Hi these! I'm Nazar Backend Engineer with 4+ years of experience building reliable, production-ready backend systems. I specialize in async Python, PostgreSQL, Redis, and API development, with strong experience in Docker and scalable architectures.


Bot Development · AI & Machine Learning

Ukraine Kyiv, Ukraine
246
 3  0

…for caching. I am proficient in creating solutions with delayed task execution using Celery, including ensuring tasks are processed asynchronously. Recently, I have primarily focused on developing asynchronous applications, though I understand when to use asynchronous vs. synchronous approaches, and when to opt for multiprocess or multithreaded solutions. To ensure fast, efficient deployment of scalable applications, I leverage Docker


Web Programming · Bot Development

Ukraine Kharkiv, Ukraine
There is nothing in the world that I cannot do.
223
 1  0

— I’ve done it.My core tech includes: • Web: React, Next.js, Node.js, Django, Flask, Firebase, Supabase • Bots: Telegram, WhatsApp, Discord – using Python, Telegraf.js, discord.js • Scraping: Playwright, Selenium, BeautifulSoup • CMS: WordPress, headless CMS, custom admin panels • AI/Automation: OpenAI (GPT-4), n8n, Make.com, Zapier, LangChain • Integrations: Stripe, GoHighLevel, HubSpot, REST & GraphQL APIs • DevOps: Vercel, AWS, Docker


Web Programming · Bot Development

Ukraine Kyiv, Ukraine
152
 1  0

dozens (and sometimes hundreds) of servers, complex infrastructure, massive databases, and microservice architectures. I know what system security is (including the human factor), performance tuning, and what to do when "something breaks on Friday night" (most importantly — how to prevent it). Core stack. Open-source based on Linux (Ubuntu/Debian), SQL (MySQL, PostgreSQL), NoSQL (MongoDB, Redis), Python, JavaScript, Node.js. Docker