ruby English-speaking jobs in Bielsko-Biała

Service Administration Specialist role involving processing service orders, invoicing, managing customer data, and handling inquiries. Requires very good English (min. B2), MS Office skills, and attention to detail.

Service Engineer specializing in power performance and energy availability. Responsibilities include on-site installation, commissioning, maintenance, and repair of UPS systems across Poland. Requires an Electrical Engineering degree and experience with power supply systems.

Product Support Accounting Analyst provides expert support for financial software to clients and internal teams. This role involves troubleshooting, root cause analysis, and acting as a subject matter expert in the accounting module.

Senior Database Engineer to design and scale high-performance database infrastructure for real-time sports analytics. Focus on transactional databases, Kafka streaming, and cloud operations. Requires 5+ years of experience with PostgreSQL/MySQL and high-volume data.

Business Analysis & Project Management Specialist in Data Management supports end-to-end data creation across key business domains. Requires 3+ years with SAP R/3 or S/4 HANA (MM, SD, PP) and strong analytical skills.

Senior QA Engineer to take technical ownership of a live logistics platform. Responsibilities include API, UI, E2E, performance, and security testing, integrating AI into automation.

Associate Manager, Strategic Sourcing for HR & Professional Services Category. Manage end-to-end sourcing, RFx execution, and contract completion while ensuring procurement policy adherence. Requires 3+ years in procurement with strong organizational skills.

Contract and Project Specialist reviews and negotiates NDAs, manages credit rating requests, and develops logistic concepts for global projects. Requires a relevant Bachelor's degree and experience in commercial contract review.

Senior Data Scientist to design and implement predictive models for large-scale, spatio-temporal datasets. Requires 5+ years of experience, expertise in Python/SQL, and knowledge of statistical analysis.

Senior Data Scientist to design and deploy product ranking algorithms and data models. Requires 5+ years of experience shipping ML models to production, strong Python/TensorFlow skills, and fluent English.

Staff Software Engineer, Platform (Scala) to ensure service excellence and maintain scalable technical foundations. Lead complex roadmaps, improve processes, and mentor engineers using Scala, MySQL, Kafka, and AWS.

Lead EUS Tower development for complex client engagements, driving scalable Employee Experience solutions. Own presales lifecycle, develop cost models, and present strategies to senior stakeholders. Requires 5+ years in EUS/Digital Workplace.

Analyze MOBA match data to improve odds accuracy and market efficiency for League of Legends. Identify pricing inefficiencies, monitor performance, and provide insights to support trading decisions. Requires 3+ years in sports betting or quantitative analysis.

Provides field leadership for civil construction, including earthworks, foundations, and utilities. Oversees safety, quality, and subcontractor coordination on large EPC projects. Requires a bachelor's degree and 8-10 years of relevant experience.

Software Architect role providing oversight and solutions to IB technology teams. Responsibilities include maintaining architectural standards, running governance processes, and supporting engineering teams. Requires 8+ years in Java development and proficiency in CI/CD and cloud platforms.

BI Analyst in Technology & Innovation designs and maintains Power BI reports and semantic models. Requires strong Power BI, SQL, and DAX skills, plus experience gathering stakeholder requirements.

Data Engineer role on a large Data Warehouse system. Requires 2+ years in databases/ETL, strong SQL, Databricks, and version control experience. Focus on building, optimizing, and maintaining data processes.

Leads IT Architecture and Quality Engineering as Design Authority for Orange Polska. Accountable for holistic IT architecture, aligning domains, and leading 'One IT' Quality Engineering practices. Requires director-level leadership in enterprise architecture.

System Development Engineer will lead technical development for inverters across the product life cycle. Responsibilities include negotiating technical requirements, driving system level requirements, ensuring design quality, and managing engineering activities.

Design and implement Microsoft Entra ID-centric identity solutions in hybrid environments. Manage IAM, Conditional Access, MFA, and Identity Governance. Support AD administration and identity transformation initiatives.