python English-speaking jobs in Chorzów

Develop and maintain high-availability applications for a high-traffic platform with over 1 billion messages daily. Responsibilities include developing new features, optimizing performance, ensuring data security, and solving technical challenges within a microservices architecture using Node.js and Java.

Senior Python Developer will build and deploy applications using standard tools. Responsibilities include working in Scrum, advising clients, creating documentation, and reporting to a Team Leader. Requires 5+ years of Python development experience, proficiency in Django/Flask, SQLAlchemy, and related technologies, and experience with RESTful APIs, microservices, and cloud platforms.

Senior / Lead Data Engineer to design, develop, and maintain scalable cloud-based data platforms. Responsibilities include building ETL/ELT pipelines, optimizing SQL performance, and implementing data quality frameworks. Requires 5+ years of experience as a Data Engineer with strong SQL, Snowflake, Databricks, Python, and PySpark skills. Experience with dbt, Airflow, AWS/GCP, and Terraform is also needed.

Construction Site Manager needed for wind energy projects. Manage daily site operations, installation, and service activities. Ensure project schedule adherence, resource management, and compliance with HSE standards. Strong wind industry experience and proven leadership skills required. Fluent English and a valid Unlimited Construction License are mandatory.

Senior Financial Accountant oversees month-end close, accruals, and variance analysis for multiple countries. Leads P&L and Balance Sheet reviews, consolidates regional metrics, and ensures statutory and tax compliance. Requires a Bachelor's degree in Accounting/Finance, CA/CPA qualification, and 5+ years of experience in multinational accounting.

Compiles, writes, edits, and coordinates medical writing deliverables such as clinical study protocols, reports, and investigator brochures. Adheres to regulatory standards and company guidelines. Reviews statistical analysis plans and collaborates with clients and colleagues.

Lead finance process and technology transformation projects, including target operating models, process improvements, automation, and ERP implementations. Provide expert recommendations to enhance processes and support client transformation journeys. Contribute to business development by identifying opportunities, shaping client needs, and supporting the sale of transformation projects.

Data Security Policy Engineer will design, implement, and maintain data security policies to protect core systems and ensure regulatory compliance. Requires 5+ years of experience in data security engineering, practical experience with DLP solutions (Symantec, Zscaler, Trellix, Proofpoint), and a degree in IT or Cybersecurity.

Product Owner to drive SEO and Personalisation initiatives, translating strategic goals into actionable plans.

Senior Solution Architect to design and develop the architecture of a web application for monitoring industrial furnaces. Experience with Angular, Python, Microsoft Azure, Kubernetes, and PostgreSQL required.

Senior Invoice Verification Clerk required for processing invoices and resolving discrepancies. Fluency in German (B2/C1) and English (B2) is essential. Experience in accounting and proficiency in Office products (especially MS Excel) are required.

Data Scientist with 5+ years of experience building predictive models (e.g., churn, propensity, segmentation) using Python and SQL. Analyzes consumer and marketing data, optimizes customer journeys, and translates findings into actionable business recommendations. Collaborates with marketing and product teams.

Accounts Payable Process Expert with German required for end-to-end AP activities, including invoice processing, vendor account reconciliation, and payment runs. Must have SAP experience, strong German (C1) and English (B1/B2) skills, and experience with process improvement initiatives.

Senior Functional OMP Consultant leads and contributes to supply chain planning projects, translating business needs into OMP solutions.

Cybersecurity Engineer will design and execute Red Team attack simulations, develop custom offensive tooling, and operate Red Team infrastructure aligned with the MITRE ATT&CK framework.

The Collections Specialist manages the Customer Ledger, meets collection targets, and acts as a Business Partner to OpCos. Collaborates with internal teams to ensure effective collection processes and manages customer relationships. Requires experience in OTC, processing, collections, or credit assessment roles and knowledge of Portuguese.

Data Engineer to design, build, and evolve data platforms within Databricks. Develop data pipelines, data architectures, and SQL/Python transformations. Support Master Data Management (MDM) solutions and ensure data quality and governance. Collaborate with developers on data-driven use cases and automation.

Senior Accountant responsible for classifying business transactions, managing month-end and year-end closing processes, preparing financial reports, and collaborating with external stakeholders. Requires a university degree in Finance, Accounting, or a related field, 5-7 years of experience, and strong knowledge of tax regulations and IFRS standards.

Credit Controller responsible for managing trade receivables, including issuing reminders, resolving disputes, and handling litigation. Requires fluency in German and English, proficiency in Excel, and experience in finance/accounting.

Design, develop, and implement Pega-based solutions for banking and insurance clients. Architect applications using enterprise-class design principles and the latest Pega architecture. Implement case management, flow design, data modeling, and rule resolution. Lead integration initiatives and collaborate with cross-functional teams.