799 English-speaking jobs in Katowice

Senior Marketing Cloud Engagement Developer needed to design, configure, and develop solutions within Salesforce Marketing Cloud. Requires 5+ years of experience with MCE modules (Journey Builder, Automation Studio, Email Studio) and proficiency in SQL, AMPscript, and SSJS. Must have Salesforce Marketing Cloud Developer and/or Consultant certifications. Experience integrating SFMC with external systems using REST/SOAP APIs is essential.

Senior Data Scientist will leverage machine learning and cloud technologies to improve client businesses. Responsibilities include applying data-driven approaches to business scenarios, creating and using advanced analytics and ML algorithms, and collaborating in interdisciplinary teams. Requires a minimum Bachelor's degree in a relevant field and 4 years of experience in applying data-driven approaches. Proficiency in at least one programming and query language (Python, PySpark, SQL) and understanding of various Data Science, Machine Learning concepts and algorithms is necessary. Fluent English is required.

Design, implement, and deploy SAP solutions to achieve business goals. Lead full-cycle, international projects and drive industry innovation with SAP S/4HANA solutions.

Lead and coordinate SAP FI/CO projects, including analysis, design, configuration, testing, and implementation. Collaborate with key users to optimize financial and controlling processes.

Blockchain Full-Stack Developer will design, develop, and audit smart contracts on EVM-compatible blockchains using Solidity. Responsibilities include building and maintaining web applications, integrating smart contracts with web applications and external systems, and operating and monitoring blockchain nodes. Experience with Solidity, token standards (minimum ERC-20), and full-stack development (React or Angular, Python, Java, or Node.js) is required.

Senior Software Engineer (C++, Qt) to join Sopra Steria Polska for a client in the aerospace sector. Develop and improve an aviation staff app. Responsibilities include implementing solutions, proposing solutions, code review, and bug fixing. Requires minimum 5 years of experience as a SE, strong C++ and Qt experience, and fluency in English.

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.

Full Stack Developer (.NET & Angular) will build and support back-end services in C# and .NET / ASP.NET and develop front-end applications using Angular, TypeScript, NgRx and RxJS.

Manual/Automation Tester to join a project focused on card-related banking processes. Responsibilities include manual and automated testing (JavaScript, Nightwatch), accessibility testing, and collaboration with a Scrum team. Requires 4+ years of experience in E2E web application testing, manual and automated testing experience, and good JavaScript and Nightwatch knowledge.

Lead Python Backend Engineer needed for a fully remote team. Requires at least 5 years of programming experience, including Python, and at least 2 years of team management experience. Responsibilities include leading and guiding a team, project management, client communication, and strategic thinking. Must be able to solve complex technical challenges and contribute to the company's long-term technical vision.

Senior Python Backend Engineer needed for a fully remote team. Must have at least 5 years of programming experience, including at least a year with Python. Contribute to a trustless supercluster of performance-proofed GPU-enabled sandboxed docker container runners controlled by truly decentralized algorithms. Work on complex projects with global reach and influence the way the company operates.

Solution Architect needed for Finance Analytics solutions. Design, implement, and maintain cloud/data-driven solutions. 8+ years experience in technical/leadership roles with Azure, DevOps, Databricks, and Power BI.

Senior Software Engineer to develop software for motion control systems, design system architecture, and integrate components. Requires experience with Angular, JavaScript, TypeScript, Java, and object-oriented programming.

DevOps Engineer (Unix DevOps with Java expertise) needed to manage RHEL-based Linux servers, support Java applications, and collaborate with Atlassian administrators. Responsibilities include server administration, performance tuning, troubleshooting, and automation. Must have 5+ years of Unix/Linux system administration experience, Java application knowledge, and familiarity with Atlassian tools.

DevOps Engineer to build and maintain GitLab CI pipelines and operate GitLab Runners on Kubernetes. Responsibilities include troubleshooting build and deployment issues, deploying Apache-based workloads on Kubernetes, and utilizing GitLab, Kubernetes CI/CD, and Linux. Must have strong Kubernetes experience, advanced GitLab CI/CD knowledge, and solid Linux fundamentals. EU citizenship and fluent English required.

Senior Test Engineer (API) will design, implement, and maintain API contracts and execute contract-based tests. Responsibilities include validating API implementations on Oracle WebLogic Server, integrating tests into CI/CD pipelines, and collaborating with development and DevOps teams. The role requires experience with contract testing tools, Oracle WebLogic Server, and CI/CD concepts.

Senior Software Engineer (PHP with Drupal) to join Sopra Steria team for a client in the Benelux Domain. Responsibilities include technical analysis, resolving tickets, implementing solutions, testing code, and collaborating with the team and customers. Tech stack includes Drupal (9,10,11), PHP, MySQL, GIT, DDEV, Symfony, Solar, Varnish, HTML, JavaScript, TypeScript, CSS/SCSS, and Linux. Must have experience with Drupal (9), PHP, Git, DDEV, Drupal Configuration Development, Drupal Theme layer, MySQL, and automated testing. Fluent English (B2/C1) and EU citizenship required.

Build and scale AI infrastructure features end-to-end in Next.js. Design, develop APIs, services, and integrations. Shape platform architecture and product direction.

Senior Software Engineer to design, implement, and deploy cloud-based systems using Java or Kotlin. Experience with SQL and NoSQL, distributed systems, and cloud platforms (AWS/GCP/Azure) is required. Automated testing and microservices experience is also necessary.

DevOps Engineer (DataBase) will design, implement, and maintain database solutions across cloud and on-premises environments. Responsibilities include writing code, optimizing services, collaborating on pipelines, and automating tasks. Requires proficiency in Python, Bash scripting, Oracle and PostgreSQL, AWS services, Kubernetes, and IaC tools.