25 English-speaking jobs in Częstochowa

Senior Fullstack Mobile Engineer KMP role building digital financial products. Develop shared logic via KMP, design backend services with Java/Spring Boot, and enhance customer-facing mobile features. Requires strong Kotlin/KMP and mobile architecture skills.

Senior Software Engineer to build and implement real-time fraud decisioning services and APIs in Python or Kotlin. This role extends the Fraud Decisioning System to new international markets.

Lead Staff Software Engineer for EU cards, responsible for backend architecture across transaction and ledger systems. Requires 8+ years of experience with Python, Kotlin, AWS, and large-scale system design.

Senior Data Engineer needed to build big data products using Azure Databricks for global clients. Responsibilities include designing scalable data solutions, managing the data lifecycle, and developing data pipelines. Requires 4+ years in Azure and 6+ years in large-scale data management.

Experienced DevOps Engineer needed for project-based collaboration. Responsibilities include designing, automating, and maintaining AWS and Kubernetes cloud infrastructure, supporting IaC with Terraform, and improving CI/CD processes.