Артур

Artur Shcherban
Senior Python Back-End Developer / Tech Lead
Software engineer with 4+ years of experience specializing in scalable SaaS architecture and backend systems.
Expert in multi-tenant design, API development, database performance tuning, and third-party integrations.
ć [открыть контакты](см. выше в блоке «контактная информация») ™ Lviv, Ukraine ] [открыть контакты](см. выше в блоке «контактная информация»)
a github.com/invilso ç invilso.pp.ua

Skills
IJ Languages: Python, JavaScript, Lua ï DevOps/Cloud: Docker, AWS, CI/CD, Nginx, Serverless,
Ð Frameworks: Django, Django REST Framework, FastAPI, Linux
Aiogram, SQLAlchemy h Other: Git, Celery, arq, Stripe, AI Integrations, n8n
Ɓ Databases: PostgreSQL, Redis

Work Experience
Python Developer (Contractor / Consultant)
INVILSO SCRIPTS January 2021 – Present
Consulting & Custom Solutions Remote

• Delivered custom backend solutions for various clients, focusing on API development, automation, and performance optimization.
• Built and optimized multiple Telegram bots, implementing webhook-based interactions and background task processing.
• Integrated third-party APIs to enhance client applications.
• Provided technical consulting and mentorship, helping clients refine project architecture and improve database performance.

Key Projects & Client Engagements
Tech Lead / Backend Developer @ NextCRM August 2025 – Present
Multi-Tenant SaaS CRM for E-commerce

• Led backend architecture for a greenfield multi-tenant SaaS platform; audited early-stage design and migrated the system to Post-
greSQL Row-Level Security (RLS) for enterprise-grade data isolation and scalability.
• Optimized Horoshop catalog sync from 240,000 to ∼300 queries per batch; integrated Nova Post (logistics) and Checkbox
(fiscalization) APIs.
• Established a suite of 1,900+ automated pytest cases; owned CI/CD pipelines via GitHub Actions and Fly.io.
• Stack: Python 3.14, Django 5, PostgreSQL (RLS), Redis, Celery, Docker.

Python Back-End Developer @ LaPrompt April 2024 – March 2026
AI Prompt Marketplace

• Marketplace for AI prompts serving several hundred active users daily; joined at early stages and contributed to its successful launch.
• Developed and maintained 150+ endpoints for prompt integrations with the frontend.
• Implemented an automated content moderation system, reducing manual review time to nearly zero.
• Stack: Python, Django, DRF, Stripe, PostgreSQL, JavaScript, Docker, CI/CD, Celery, Redis.

Lead Developer @ AI Translator Bot April 2025 – October 2025
Multi-Platform AI Translation Bot

• Acted as the primary backend contractor, coordinating with stakeholders and managing the full development lifecycle.
• Developed a multi-platform bot (Telegram, Discord, WhatsApp) for real-time translation of text and media messages.
• Implemented a full voice processing cycle: transcription (STT), translation, and text-to-speech (TTS) using various AI services (Ope-
nAI, Gemini).
• Stack: Python, FastAPI, SQLAlchemy, Aiogram, Docker, PostgreSQL, Redis.

Lua/Python Developer @ Trinity GTA September 2021 – February 2022
Online Gaming Platform

• Built API and internal tools for a large-scale gaming platform with 1,000+ concurrent players.
• Optimized anti-cheat algorithms, reducing false detections by 50% and false bans by 20%.
• Stack: Lua, ImGui, Python, Django, DRF.

Languages
• English: B1 (Intermediate)
• Ukrainian: Native