531 English-speaking jobs in Katowice

Senior Backend Engineer (Java / Architecture) needed for a long-term freelance project. Refactor and modernize legacy backend systems, improve microservices, and maintain REST and SOAP interfaces. Must have strong Java (Spring / Spring Boot) and architectural skills, experience with Kubernetes, and excellent communication skills.

Designs, implements, and delivers Environmental, Health, and Safety (EHS) programs across the IONWAY portfolio. Executes environmental protection programs, leads environmental compliance and related audits, and contributes to corporate environmental strategies. Collaborates with local EHS teams, external authorities, and stakeholders. Requires a Bachelor's degree in a related field and 10+ years of EHS and compliance experience. Expertise in management systems, REACH/CLP procedures, and EHS requirements is necessary. International EHS certifications are an asset.

Maintain and improve a secure, scalable platform and infrastructure. Implement security protocols, monitoring systems, and automated processes. 5+ years of Windows engineering or endpoint management experience with Azure, Microsoft Endpoint Manager, and PowerShell scripting.

Senior Test IT Engineer (API) will design, implement, and maintain API contracts. Responsibilities include developing and executing contract-based tests, validating API implementations, and integrating tests into CI/CD pipelines. The role requires experience with contract testing tools, Oracle WebLogic Server, Oracle Linux, and CI/CD concepts.

Senior Python Developer with 7+ years of experience needed for agile team. Responsibilities include design, development, and maintenance of web applications using LLMs and modern software principles. Must have experience with data-driven web applications, SOLID and Domain-Driven Design principles, and SQL databases (MySQL, MariaDB, Postgres).

Job Purpose Unilever is the place where you can live your own purpose through your work. This is how we create a better business and a better world. This internship offers hands‑on exposure to Source‑to‑Pay (S2P) operations in an international organization.

Senior Technical Expert will lead the evolution of the company's Data Marketplace, transitioning from a modular monolith to a microservices-based ecosystem. Responsibilities include architectural design, development of new components, and integration of AI-driven search capabilities. Requires expertise in Java 21, Spring Boot, PostgreSQL, MongoDB, and AWS.

Implement and optimize SAP CO processes using S/4HANA or BW/4HANA. Design, develop, and maintain customer-specific enhancements. Collaborate with teams to analyze requirements, test, and deploy solutions.

Senior Internal Auditor will execute financial, operational, compliance, and IT audits within the Europe Segment. Responsibilities include identifying and assessing risks, evaluating internal controls, and making recommendations for improvement.

Lead Network Infrastructure Engineer for Poland will serve as primary representative for Network Services, overseeing critical network operations, guiding technical teams, and ensuring seamless service delivery.

Senior X++ Developer will design, build, and maintain features for SD Worx's payroll solution powered by Microsoft Dynamics 365 F&O. Responsibilities include developing in X++, enhancing the D365FO add-on "X-Tend", and collaborating with stakeholders to deliver solutions. Must have strong experience with Dynamics 365 Finance & Operations, X++, Visual Studio, Azure DevOps, LCS, and MS SQL.

Define and maintain change policy, process, and models. Ensure change management process adherence and data quality. Create workflows aligned with ITIL4 principles. Drive awareness, training, and communication for product and platform teams.

Ryanair Group is hosting a Cabin Crew Recruitment Day in Katowice on 8 May 2026. No experience is required, but applicants must be able to live and work in the EU, be between 5'2" and 6'2", swim 25 meters, and be comfortable working a shift roster. Successful candidates will undergo a 6-week training course and will be eligible for benefits such as discounted staff travel, a fixed 5/3 roster pattern, and free training.

Support developers in daily tasks, planning, and reporting. Assist with business event preparation and maintain IT security applications.

Test Engineer will perform manual system-level testing of EtherNet/IP in-cabinet solutions, validating functionality and interoperability of industrial automation products.

Data Engineering Lead will design and implement data extraction, transformation, and loading processes for analytics, AI, and Agentic AI systems. Responsibilities include developing data models, collaborating with business units, and leading the design and implementation of data pipelines. Must have expertise in batch processing, data integration, data quality, and stream systems.

Design and develop scalable Java backend solutions, ensuring high code quality and performance. Troubleshoot issues, contribute to architectural decisions, and support team growth. Must have commercial Java development experience, knowledge of the Java ecosystem, BPMN 2.0, and experience with SQL and Git.

Senior ML/AI Engineer will design, implement, and deploy GenAI/LLM-based solutions and data pipelines (Spark/Databricks) in production environments.

Lead Technical Tester to support a team working across data, artificial intelligence, digital innovation, and web presence. Responsibilities include creating and executing tests, analyzing results, collaborating with developers, and leading comprehensive testing efforts. Must have 5 years of experience in Python development, including asynchronous patterns, package design, CLI tooling, and working with REST/gRPC APIs. Experience with containerized deployments, CI/CD pipelines, and Atlassian tools is required. Fluent English is necessary.

We are looking for a News Live Reporter to deliver live reports, prepare and present on-air topics, and build a network of contacts and information sources.