Максим

Max Gadada
Python Backend & AI Automation Developer
Lviv Oblast, Ukraine | Remote | [open contact info](look above in the "contact info" section) | Telegram | [open contact info](look above in the "contact info" section) | GitHub | Portfolio
PROFESSIONAL SUMMARY
Python Backend & AI Automation Developer with 1+ year of commercial experience delivering Django/DRF backends, CRM/ERP business WEB, REST
APIs, Telegram bots, and automation systems, JWT authentication, role-based access, relational data modeling, asynchronous tasks, webhooks, and
third-party service integrations. Practical AI experience includes OpenAI-compatible and Gemini APIs, local LLMs through Ollama and llama.cpp,
structured JSON outputs, prompt design, model routing/fallback, n8n orchestration, and multi-step text/media pipelines. Comfortable deploying
Dockerized services with PostgreSQL, Redis/Celery, RabbitMQ, Gunicorn, and Nginx, with an emphasis on maintainability, validation, secure
configuration, observability, and reliable business automation.
TECHNICAL SKILLS
Python, Django, Django REST Framework, REST API design, serializers, validation, permissions/RBAC, JWT, SimpleJWT, Djoser,
Backend & API
pagination, filtering
OpenAI-compatible APIs, Gemini API, Ollama, llama.cpp, prompt design, structured JSON outputs, context-aware processing,
AI & LLM
cloud/local model routing and fallback, Whisper-based STT
REST APIs, webhooks, Telegram Bot API, Google Sheets integrations, external CRM/payment services, requests, JSON/CSV,
Integrations
Postman
Automation n8n, aiogram, Playwright, Selenium, BeautifulSoup4, scheduled workflows, scraping/parsing pipelines, regex, file processing
Async & Infra Docker, Docker Compose, Redis, Celery, RabbitMQ, Gunicorn, Nginx, systemd, environment-based configuration, Linux workflows
Databases PostgreSQL, MySQL, SQLite, Django ORM, migrations, relational modeling, indexing and query optimization basics
Desktop & Media PyQt6, Kivy/KivyMD, Buildozer, Cython, Pyjnius, Android MediaPlayer API, FFmpeg, yt-dlp, PyInstaller

PROFESSIONAL EXPERIENCE
Python Backend & Automation Developer - Commercial Remote Projects | 1+ year
• Developed and maintained Django/DRF backend modules for CRM/ERP-style systems, including relational models, business entities, workflow
statuses, validation rules, and API-driven operations.
• Designed REST endpoints for frontend and integration use cases with serializers, filtering, pagination, clean JSON contracts, JWT/SimpleJWT
authentication, Djoser, and role-aware permissions.
• Implemented lead/order processing logic with manager and operator actions, entity relations, status transitions, data consistency checks, and
reusable service-layer business rules.
• Integrated external services through REST APIs and webhooks, handled request/response transformation, authentication data, retries, error cases,
and structured logging for easier support and debugging.
• Built asynchronous and scheduled processing with Celery, Redis/RabbitMQ, and Telegram automation for notifications, data collection, admin
commands, and delivery of parsing or workflow results.
• Created AI-assisted automations using cloud and local LLM endpoints, structured outputs, conditional routing, prompt templates, and fallback logic
for text processing, content generation, and media workflows.
• Containerized and deployed services with Docker Compose, PostgreSQL/MySQL, Gunicorn, Nginx, static/media volumes, environment
configuration, and Linux/systemd workflows; investigated integration and production issues across backend, frontend, and infrastructure layers.

SELECTED PROJECTS
CRM / Business Workflow Backend | Python, Django, DRF, PostgreSQL/MySQL, RabbitMQ, Celery, Docker
• Built backend functionality for leads, orders, customers, managers/operators, statuses, entity relationships, validation, and role-specific actions
used in day-to-day business workflows.
• Created authenticated REST endpoints with serializers, permissions, pagination, filtering, database relations, and predictable error responses for
frontend and external-service consumption.
• Prepared deployment-ready Docker configuration with PostgreSQL/MySQL, Redis, Celery, Gunicorn, Nginx, static/media volumes, environment
settings, and background-worker processes.
AI & Workflow Automation | Python, n8n, OpenAI-compatible APIs, Gemini API, Ollama, llama.cpp
• Designed n8n workflows connecting AI models, Telegram, webhooks, databases, and external APIs with conditional branches, retries, structured
data mapping, and automated task execution.
• Integrated cloud LLM APIs and local OpenAI-compatible endpoints, using prompt templates, structured JSON outputs, context-aware processing,
provider/model selection, and local fallback when appropriate.
• Built multi-step AI-assisted pipelines for content generation, rewriting/adaptation, speech-to-text or text-to-speech stages, subtitles, asset
processing, and FFmpeg-based media rendering.
Telegram Bots & API Integrations | Python, aiogram, Telegram Bot API, requests, webhooks
• Developed bots for user/admin commands, notifications, data collection, workflow control, scheduled actions, scraping results delivery, and
structured interaction with backend services.
• Connected bots and backend workflows to external services such as CRM-style systems and Google Sheets, including JSON transformation,
validation, error handling, and operational notifications.
Third-Party API & Payment Integrations | REST APIs, webhooks, Google Sheets, CRM, payment services
• Connected backend workflows to external CRM and Google Sheets services, mapping request/response data, validating payloads, and reporting
integration failures through operational notifications.
• Worked with payment-service test-environment integration, including payment initiation data, return URLs, asynchronous status/webhook
endpoints, order identifiers, and frontend/backend redirect flows.
• Diagnosed cross-system issues using API responses, callback payloads, hash/status values, application logs, and Docker/Nginx configuration,
separating frontend, backend, infrastructure, and provider-side causes.
Browser Automation & Data Collection | Playwright, Selenium, BeautifulSoup4, requests
• Created browser automation and scraping pipelines with session/cookie handling, page-state checks, retries, content extraction, normalization, and
delivery of results to APIs, files, or Telegram.
• Automated repetitive multi-step web workflows and built safer failure handling for missing elements, timeouts, invalid responses, and partial
results.
Desktop, Data & Media Utilities | PyQt6, Kivy, CSV/JSON, multiprocessing, FFmpeg, yt-dlp, PyInstaller
• Built desktop/internal tools for CSV and JSON processing, file automation, metadata handling, validation, Unicode-safe filenames, media conversion,
and Windows executable packaging.
• Worked with audio/video pipelines, FFmpeg processing, subtitle generation, download and conversion workflows, and desktop interfaces for non-
technical users.
EDUCATION & LANGUAGES
Lviv Polytechnic National University Languages
Speciality 125 - Cybersecurity and Information Protection Ukrainian - Native
2023 - Present, expected graduation: 2027 English - Intermediate (B1), actively improving