6 English-speaking jobs in Częstochowa

Lead Staff Software Engineer for EU cards, setting technical strategy and architecture. Requires 8+ years experience with backend systems using Python, Kotlin, AWS, and SQL.

Build the product across the full stack for an AI security automation company. Focus on backend workflows, APIs, data models, and UI using TypeScript, Node.js, and React. Requires 5+ years of full-stack experience.

Senior Data Engineer specializing in Azure Databricks. Design, develop, and maintain scalable data solutions for analytics and BI, managing the full data lifecycle. Requires 4+ years in Azure and 6+ years in large-scale data management.

Senior Data Scientist to build and improve LLM/transformer pipelines extracting structured data from clinical notes. Requires hands-on NLP with BERT/LLMs, rigorous evaluation, and production deployment experience.

Operate and support network security infrastructure in a data center environment. Handle incidents, changes, and service requests, providing 24/7 support. Requires 8+ years in network/security engineering with experience in Juniper, Fortinet, and F5.

Senior Software Engineer to build and implement real-time fraud decisioning services and APIs in Python or Kotlin. Focus on extending the Fraud Decisioning System to new international markets. Requires 5+ years building backend systems at scale.