ruby English-speaking jobs in Bielsko-Biała

Experienced Operations Shift Supervisor (Control Room Operator) needed for commissioning, start-up, and operation of a Combined Cycle Power Plant. Responsibilities include supervising plant operations, coordinating field and control room personnel, and ensuring safe, reliable, and efficient operation. Proven experience in Combined Cycle Power Plant operation, DCS control room operation, and shift supervision required. English proficiency is mandatory.

Senior Application Architect will drive system-level design and implementation of greenfield components for DocES, focusing on scalability, availability, and security. Collaborate with various teams to enhance stability and drive improvements. Design integrations and ensure alignment with enterprise data platform relations. Maintain system design documentation and act as a backup domain SME for DocES. Mentor the development team on backend design best practices and cloud-native architectures. Analyze component observability data to drive continuous improvement.

Senior Change Manager to lead large transformational projects, capturing business requirements, defining project scope, and managing project timelines. Requires 8+ years of experience as a Project Manager/Change Manager, experience with Finance/Procurement systems, and fluency in English.

Senior Python Engineer to design, build, and maintain Python services for sports data ingestion, transformation, and distribution. Integrate with third-party sports data providers and build reliable pipelines for near real-time and batch data processing. Improve data validation, reconciliation, monitoring, alerting, and replay tooling. Collaborate with backend, product, trading, QA, and platform teams. Requires 5+ years of strong production experience with Python, Django, and Apache Kafka. Solid understanding of APIs, distributed systems, async processing, and data pipelines. Strong SQL skills and experience with relational databases, especially PostgreSQL. Experience integrating with external APIs, feeds, or third-party data providers. Ability to reason carefully about data correctness, edge cases, and failure modes. Experience with monitoring, logging, alerting, and debugging production systems. Senior ownership mindset with strong problem-solving skills and comfort doing code reviews.

Network Specialist with virtualization expertise required for Frontex. 50% on-site, 50% remote. Minimum 5 years experience in similar roles. Requires Cisco CCNA or equivalent. Expertise in VMware NSX-T, ESX networking, and Palo Alto firewalls. EU Confidential security clearance required.

Design, build, and own scalable backend systems and distributed infrastructure components. Build and maintain production services in C++, Python, or Java.

Senior Test Automation Engineer will design and build automated testing solutions for Azure-based data and analytics platforms. Responsibilities include validating data transformations, integrations, and business rules, and contributing to testing standards and best practices. Requires a degree in Computer Science, Engineering, or related field, strong programming skills in Python, and experience with test automation frameworks and Azure data services.

This Product Owner role within HEINEKEN Global Shared Services Center focuses on executing, assessing, and reporting Security Control Effectiveness Assessment (SCEA) compliance. Responsibilities include leading automation initiatives, coordinating with vendors and OpCos, managing risk reporting, and implementing compliance with external frameworks.

Lead and optimize the operation of OT Intrusion Detection / Network Detection platforms (e.g., Nozomi, Claroty) in a global environment. Design and implement OT IDS capabilities across manufacturing, laboratory, and other OT sites. Provide documentation, processes, and operational runbooks. Analyze platform stability and monitor data quality. Steer Incident, Problem, and Change Management. Own security content management and coordinate integrations with adjacent security and operational tools. Conduct tool and technology life-cycle maintenance. Support and improve automation for operational workflows.

Applied Data Scientist will work closely with manufacturing, planning, commercial, and operations teams to identify and solve business problems using Data & AI. Responsibilities include translating business challenges into technical solutions, building hands-on solutions using Python, SQL, and modern Data & AI technologies, and collaborating with Data Engineering and IT teams.

This is a maternity cover role for a Client Onboarding Senior Analyst. The role requires in-depth disciplinary knowledge and expertise in account opening and maintenance processes. Responsibilities include collaborating with internal partners, processing client instructions, and ensuring adherence to procedures, regulations, and deadlines. The ideal candidate will have 7-10 years of experience in financial services, strong communication skills, and the ability to work independently and as part of a team.

Cloud Security Advisor needed to help shape secure cloud adoption across a complex enterprise environment. Will work with infrastructure, platform, DevOps, and compliance teams to embed security by design, reduce risk, and support secure operations. Requires experience in cloud security, infrastructure security, DevSecOps, or related areas.

Develop and implement sales strategies for oncology products. Manage key accounts and identify new business opportunities. Build relationships with healthcare professionals and provide product support.

Perform independent validation of models used in Global Functions (Liquidity, Treasury, Operational Risk, etc.) ensuring compliance with Citi Model Risk Management Policy. Collaborate with Risk and Business teams on qualitative models. Contribute to reports and documentation for MRM senior management.

Manages global end-to-end IBM mainframe services, ensuring availability, integrity, and performance. Oversees platform operation and enhancement, integrations, and service delivery with external providers. Responsible for incident, problem, and change management, documentation, and compliance with regulations. Requires fluency in English, a university degree in IT or business information management, and 5+ years of experience in a global, regulated business environment.

Staff Software Engineer to lead a team enhancing Vertex AI Notebooks, including Workbench Enterprise. Requires experience in Java, Golang, TypeScript, or Python, cloud computing, distributed systems, and micro services. Familiarity with Google's production environment or Google Cloud is essential.

The Medical Science Liaison builds and maintains relationships with healthcare professionals, communicates scientific data, and supports the safe and effective use of company products.

Senior Manual Tester for web and backend systems. Design, plan, and execute manual and automated functional tests. Analyze requirements, develop test scenarios, and collaborate with automation testers. 3+ years of experience in manual testing, SQL, Jira, TestFLO/Xray, and Confluence required.

Leads the end-to-end knowledge management process, capturing insights, maintaining a knowledge repository, and promoting best practices. Collaborates with teams to ensure knowledge sharing, provides training on KM tools, and analyzes processes for improvement.

Shape the architectural foundation of Redcare Pharmacy's mobile platform. Drive modularization and continuously evolve a scalable iOS architecture.