Backend Developer (Python)

About us QLAN is a technology integrator that implements end-to-end AI solutions into the business processes of large companies and government agencies.

Responsibilities:

• Write custom parsers for social networks, media hosting, and marketplaces
• Implement services in Python
• Develop and maintain data collection services

Requirements: • Experience in developing and maintaining high-load parsers/scrapers for 3+ years; • Python for 3+ years; • Understanding of different proxy server types (proxy rotation, quality monitoring), CAPTCHA principles; • Working with rate limiting; • Playwright; • AsyncIO, aiohttp/httpx • Experience in reverse engineering internal APIs of web and mobile applications • Experience with databases (PostgreSQL / ClickHouse / Redis) • Excellent understanding of HTTP/TCP, CDN operation, REST API, GraphQL, anti-bot systems, and methods for bypassing them; • Experience with GPS / LBS (Wi-Fi / Bluetooth / 5G/4G/3G) • Experience with sensors; • Experience with maps; • Experience working in Big Tech

Will be a plus: • Experience developing parsers for platforms: Instagram, YouTube, Tik Tok, Trip Advisor, Spotify, X, Flickr, LinkedIn, Reddit, and similar • Experience with Grafana/Prometheus • Kubernetes; • Kafka/RabbitMQ;

We offer:

• Project-based employment with a flexible work format
• Direct communication with technical management without bureaucracy
• Opportunity to grow into a full technical role within the company