988 English-speaking jobs in Katowice

The Fleet Management Intern will support a project focused on resolving data mismatches across fleet systems. Responsibilities include maintaining databases, validating records, and ensuring data consistency for accurate reporting.

Designs, integrates, tests, and troubleshoots core network nodes (HSS/HLR) in large-scale telecom environments. Collaborates with customers and internal teams to deliver robust, secure, and scalable solutions aligned with 4G/5G standards.

Senior Data/AI Engineers will design, build, and maintain data pipelines, models, and transformations for a prestigious customer. Responsibilities include data observability solutions, turning data into business insights, and mentoring junior team members.

Lead Software Engineer to design and develop scalable, secure, and high-performance digital products. Experience with JavaScript/TypeScript, backend development (Node.js or Python), frontend frameworks (React, Vue, Angular), APIs, microservices, and cloud platforms required.

Senior Site Reliability Engineer will balance development velocity and customer-centric stability using SRE best practices and automation. Responsibilities include creating and leading projects to measure services, participating in observability of production systems, and collaborating with teams to solve issues. Requires 5+ years of IT experience, including Java, containerization/Kubernetes, monitoring tools (Grafana & Prometheus), Agile frameworks, database optimization, AWS services (EC2, S3, CloudFront, EKS, RDS), and technical documentation.

Senior Wireless Network Engineer will design, test, and deliver private 5G and Wi-Fi solutions for Industrial IoT. Responsibilities include developing wireless user equipment, creating test plans, and acting as a technical lead.

Cyber Security Senior Consultant (Senior Pentester) will deliver Attack & Penetration Testing projects, application code review, social engineering, Red Team Assessments, Purple Team Assessments, Threat Modeling, and Security Architecture reviews. Requires 3+ years of experience in Dev / ITSec conducting penetration tests projects and deep understanding of networking architecture, protocols, operating systems, and web applications. Must have OSCP, OSWE, GPEN certificate or similar and excellent command of English.

Junior Databricks Applications Developer to build data-driven applications using Node.js, Databricks SQL, and cloud technologies. Collaborate with developers, data engineers, and analysts to support application development, maintenance, and optimization. Requires a Bachelor's degree in a related field and 1-3 years of software development or data-related experience.

Manage, maintain, and optimize Linux infrastructure supporting critical production services. Design, implement, and operate private cloud infrastructure. Configure and maintain infrastructure across multiple international data centers. Automate infrastructure provisioning and operational tasks. Ensure system security standards and identify infrastructure improvements.

Data Analyst (Fraud Rule Writer Senior Specialist) will analyze fraudulent patterns and cybercrime to determine counteractions. Responsibilities include preparing reports, writing rules to protect clients, and creating SQL queries and code.

Junior Databricks Applications Developer will support the development of data-driven applications within Databricks Apps. Responsibilities include building and maintaining backend services, working with Databricks SQL and datasets, and collaborating with developers, data engineers, and analysts.

Lead API Engineer to design and evolve the API and integration landscape for a connectivity and network services platform. Responsibilities include building APIs, shaping API standards, and collaborating with teams to design technical solutions. Requires 5+ years of software engineering experience, strong C#/.NET skills, and experience designing production-grade REST and/or GraphQL APIs.

Experienced Oracle EBS Inventory specialist to lead end-to-end supply chain processes, drive system enhancements, and partner with business stakeholders.

Senior EPM Oracle Hyperion Consultant will design, develop, test, deploy, and support EPM solutions. Responsibilities include supporting client needs, participating in RFPs, and collaborating with R&D teams. Must have at least 1+ year of experience implementing HFM, FCCS, Hyperion Planning, or PBCS and experience working with clients throughout the implementation lifecycle.

Senior Software Engineer (PHP with Drupal) will join a team developing custom websites for clients in various business areas. Responsibilities include technical analysis, resolving tickets, implementing solutions, testing code, and collaborating with the team and customers. Must have experience with Drupal (9+), PHP, Git, DDEV, Drupal Configuration Development, MySQL, and PHPUnit.

QA Engineer to join the Observability & Monitoring team. Define and execute test strategies for observability, monitoring, and automation platforms. Design, implement, and maintain automated tests for APIs, integrations, and end-to-end flows. Validate the correctness, consistency, and reliability of metrics, logs, and events. Collaborate closely with developers to embed quality early.

Global Category Lead will develop and execute global purchasing strategies for assigned subcategories. Responsibilities include leading sourcing initiatives, managing supplier relationships, negotiating contracts, and optimizing spend. Requires a university degree in a related field, 5+ years of experience in purchasing/procurement, and fluency in English.

The Payroll Associate processes payroll for a defined portfolio of clients, ensuring accuracy, timeliness, and compliance. Responsibilities include data input, calculations, reporting, and client communication. Requires at least 2 years of experience in an international environment, fluency in English, and proficiency in MS Office. German language skills are an asset.

Industrialization Engineer will apply manufacturing and test rules during product development. Collaborate with Engineering, Production, and Test teams to ensure projects meet serial production requirements. Manage industrialization process, define tooling requirements, and mitigate production risks.

Manage end-to-end General Ledger accounting processes, including complex journal entries, accruals, provisions, and reclassifications. Oversee month-end, quarter-end, and year-end closing activities and ensure accuracy. Act as a subject matter expert for GL accounting, providing guidance and technical support. Collaborate with internal and external auditors during audit processes. Support and mentor junior team members.