46 English-speaking jobs in Holy Cross Voivodeship

We offer that Due to continued growth, we are hiring an experienced AVEVA PI Developer with strong experience working with operational and asset data, together with an understanding of data integration, transformation and requirements gathering.

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.

Lead Software Engineer for EU teams, responsible for technical strategy across frontend and backend systems. Requires 8+ years of experience with scalable technologies like Python, Kotlin, AWS, and proficiency in frontend development.

Lead Backend Software Engineer for EU teams, responsible for technical strategy and execution across transaction and ledger systems. Requires 8+ years of experience with Python, Kotlin, AWS, MySQL, and Kubernetes.

Lead Backend Software Engineer for EU credit systems. Responsible for technical strategy, designing scalable systems using Python, Kotlin, AWS, and Kubernetes, and ensuring operational excellence.

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.

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.

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 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.

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 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.

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.

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.

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 scaling backend systems.

Lead Cloud Network Engineer to design, implement, and manage Azure network infrastructure. Expertise required in Azure networking, security, and architecture, with 5+ years of experience.

Senior Full-stack Developer needed to build a new product using Python/FastAPI, React/TypeScript, PostgreSQL, and OpenSearch. Requires 5+ years of production experience in Python and SQL.

Design, build, and deploy machine learning solutions for international enterprise projects. Analyze complex datasets, apply machine learning methods, and integrate models into business processes. Solid experience in ML and data science in an enterprise environment is required.