25 English-speaking jobs in Częstochowa

Build scalable cloud-native data platforms using Databricks, Spark, AWS, and Azure for fusion energy research. Requires 3+ years in Data Engineering with expertise in Python, SQL, and Databricks components.

Product Expert owns the customer relationship from trial to renewal for US e-commerce businesses. This role combines product expertise with a commercial mindset, handling onboarding, support, and driving customer value.

Senior Full-Stack Engineer to build AI security automation. Focus is on backend workflows, APIs, data models, and UI using TypeScript, Node.js, React, and AI integration. Requires 5+ years of full-stack experience.

Lead complex Human Capital transformation programmes, translating strategy into execution across global teams. Manage delivery, governance, risks, and stakeholder alignment for strategic initiatives.

Senior Backend Engineer to architect the core engine for a massive-scale simulation platform. Own the compute layer bridging on-prem HPC clusters with AWS infrastructure. Requires depth in Java, C++, or Python, and experience with AWS, Kubernetes, and Terraform.

Senior Software Engineer to design and implement real-time fraud decisioning services and APIs in Kotlin or Python. Build platform tooling to scale fraud protection across new international markets. Requires 5+ years building backend systems at scale using Python or Kotlin.

Senior Data Engineer to design and scale cloud data platforms using Azure, Databricks, and Spark. Responsibilities include building production-grade pipelines, driving data architecture, and optimizing workflows. Requires 4+ years of experience and strong Python/SQL 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. Requires 5+ years building backend systems at scale.

Senior Data Scientist role focusing on LLM Clinical NLP. Build and improve LLM/transformer pipelines to extract structured data from clinical notes. Requires hands-on NLP with BERT/RoBERTa and generative LLMs.

Senior Data Engineer to contribute to a banking platform for a Japanese financial group. Responsibilities include designing ETL pipelines, building integrations (APIs, SQL, S3, SFTP), and ensuring data accuracy. Requires 5+ years ETL experience and Python skills.

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.

Appian Developer to build and maintain applications using the Appian low-code platform. Responsibilities include designing SAIL interfaces, workflows, and integrating with external systems via REST/SOAP APIs. Requires experience with Appian objects, SQL, and deployment.

Senior Data Engineer to design and scale cloud data platforms using Azure, Databricks, and Spark. Responsibilities include building production-grade pipelines, driving data architecture, and implementing DataOps practices. Requires 4+ years of Data Engineering experience.

Security Specialist - Penetration Tester role involves identifying and investigating security vulnerabilities. Responsibilities include contributing to testing methods, creating reports, and mentoring. Requires 3+ years in web/infrastructure penetration testing.

DevOps Cloud Infrastructure Engineer needed for B2B contract to connect Flix's cloud platform with a new train fleet. Responsibilities include building secure, reliable cloud infrastructure using Terraform/Terragrunt on AWS or other major platforms.

Experienced Workday Integration Engineer needed for B2B contract. Design, build, and maintain AWS integrations between Workday HRIS and internal/external systems using Python, Terraform, and AWS services.

Experienced Workday ERP Consultant needed for freelance engagement. Design, build, and maintain HR solutions using Workday and other HR systems. Support technical and functional implementation, optimizing processes. Requires 3+ years in Workday implementation/consulting.

Insurance Broker in Health & Benefits managing a client portfolio. Responsibilities include negotiating and implementing insurance solutions, analyzing data, and expanding client cooperation. Requires knowledge of life insurance and medical programs.

Lead teams in HR controls, data quality, and process optimization for Workday HCM. Drive continuous improvement, manage governance, and ensure reliable, well-governed People processes.

Senior Software Engineer Fraud to design and implement real-time fraud decisioning services in Python or Kotlin. This role extends the Fraud Decisioning System to new markets and integrates risk vendors. Requires 5+ years building backend systems at scale.