28 English-speaking jobs in Częstochowa

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.

AWS Data Engineer to support and improve a data platform using AWS services, PySpark, SQL, and dbt. Responsibilities include building pipelines, optimizing Redshift, and supporting ML/AI projects. Requires 4+ years in data engineering.

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 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.

Project description You will join the development of an advanced digital twin platform for the energy transition, designed to unify energy and climate-related data into a single, comprehensive solution. The platform supports stakeholders involved in energy transformation by providing data-driven insights and decision-making tools.

Security Architect We are looking for an experienced Security Architect to help shape and strengthen security across enterprise IT environments. In this role, you will define security architecture principles, design secure solutions, and ensure that security is embedded into systems, applications, and infrastructure from the very beginning.

Were looking for a Cybersecurity Recovery & Governance Specialist to join our clients team! This is not a typical administrator or operational engineering role: we are looking for a professional who combines the analytical mindset of a Technical Analyst with a solid understanding of infrastructure, recovery, and cyber security. ! ! !

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.

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.

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 while providing 24/7 support. Requires 8+ years in network/security engineering with experience in Juniper, Fortinet, and F5.

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.

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.

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.

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.

Manage and contribute to process improvement initiatives focused on efficiency and operational effectiveness. Coordinate projects, identify inefficiencies, and recommend solutions using Lean and Six Sigma principles.

Lead a large Technical Accounting team, focusing on performance, collaboration, and stakeholder partnership. Responsibilities include supervising operations, managing workload, driving continuous improvement, and leading financial services projects.

Reinsurance Business Analyst maintains and enhances the DXC SICS application for reinsurance and insurance claims management. Responsibilities include configuration, issue resolution, and collaborating with users to ensure data integrity. Requires 4+ years in reinsurance operations and C1 English proficiency.

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.