Backend Engineer

• Own end-to-end data extraction workflows across complex websites
• Ensure complete coverage, accuracy, and reliable delivery of structured datasets
• Use available tools and custom workflows to accelerate data collection, validation, and task execution
• Extract data reliably from dynamic and interactive web sources, adapting to JavaScript-rendered content and changing site behavior
• Enforce data quality through validation checks, cross-source consistency controls, formatting specifications, and systematic verification
• Scale scraping operations for large datasets using efficient batching or parallelization
• Monitor failures and maintain stability against minor site structure changes
• Utilize tools such as Apify, OpenRouter, and other technologies

Senior Python Data Scraping Engineer – Freelance

• Own end-to-end data extraction workflows across complex websites, ensuring complete coverage, accuracy, and reliable delivery of structured datasets
• Leverage available tools and custom workflows to accelerate data collection, validation, and task execution while meeting defined requirements
• Ensure reliable extraction from dynamic and interactive web sources, adapting approaches for JavaScript-rendered content and changing site behavior
• Enforce data quality standards through validation checks, cross-source consistency controls, formatting specifications, and systematic verification before delivery
• Scale scraping operations for large datasets using efficient batching or parallelization
• Monitor failures and maintain stability against minor site structure changes
• Handle specialized data scraping workflows for real-world applications within the Tendem project using tools such as Apify, OpenRouter, and other technologies

Senior Python Data Scraping Engineer

• Design, build, and maintain Go/Python backend services for live, high-traffic game titles
• Own database schema design and query performance across PostgreSQL systems
• Drive horizontal scaling strategy by optimizing CPU/memory footprint and reducing lock contention
• Profile and resolve memory leaks, CPU spikes, and deadlocks in production
• Lead root-cause investigations for performance issues and outages from detection through resolution
• Architect and maintain in-memory caching/state layers using Redis, KeyDB, or Memcached
• Design and run load tests to identify breaking points before release
• Own backend systems powering live games supporting 1M+ DAU
• Work closely with the engineering team on schema design and incident response

Backend Engineer jobs in Hungary

Senior Python Data Scraping Engineer – Freelance

Senior Python Data Scraping Engineer

Principal Server Engineer