ruby English-speaking jobs in Opole Voivodeship

Senior Software Engineer to design, develop, and maintain mobile network infrastructure and applications. Focus on IoT, APIs, services, and debugging production issues. Experience with Go, Elixir, Erlang, 3GPP, and mobile core protocols required.

Leads a team ensuring operational stability and availability of IBM Mainframe batch management systems. Requires deep knowledge of JCL, TWS/IWS, and resolving batch errors. Experience with Horizont IWS Graph, BatchCP, BatchAD, and XINFO is beneficial. Leads incident, change, and problem management within SLAs.

Body-in-White (BIW) Geometry/Dimension Engineer to develop a new light commercial vehicle production plant. Responsible for parts geometry/dimensional quality, analyzing measurement results, and implementing corrective actions.

Subsidiary Procurement Manager will lead and empower a team, overseeing merchandise procurement from European suppliers. The role involves managing regional supply, resolving complex issues, and ensuring operational excellence and compliance. Requires a seasoned professional with procurement, supply chain, and team leadership experience.

Costing Analyst will lead and control actual costing processes, manage price variances, and maintain material master data. Responsibilities include performing cost analysis, providing insights, and collaborating with stakeholders to improve processes. Requires a university degree in a relevant field, +7 years of experience, fluency in English, and proficiency in SAP MM and Excel.

Senior Full Stack Developer with 6+ years of experience in Angular, TypeScript, Java Core, and Spring Boot. Responsible for solution design, technical discussions, and delivering high-quality code changes. Must have experience with REST APIs, unit testing, and Agile development.

Tripadvisor seeks a People Operations Director to lead HR for its growing Kraków technology hub. This role requires deep Polish HR expertise, compliance knowledge, and experience partnering with both local and global teams. Responsibilities include strategic HR consulting, local policy implementation, employee relations, and workforce enablement.

Own and deliver sustainable margin and price improvement for the Services business in CEE by designing and deploying commercial policies, pricing strategies, and governance frameworks.

Build and operate next-generation data infrastructure for AI model training and fine-tuning at scale. Design and scale compute and storage systems, architect multi-cluster orchestration, and lead the transition to modern storage formats.

Develop and implement sourcing strategies for Value Added Services, warehousing, and pallet management across Eastern Europe. Drive sourcing projects, supplier negotiations, and contract management to maximize value creation and service quality. Support Supply Chain operations development in Poland, Slovakia, Romania, Bulgaria, and Ukraine.

Develop data-driven solutions on AWS, combining data analysis, feature engineering, and data engineering. Build and maintain data pipelines, apply statistical methods and machine learning, and collaborate with teams to turn data into actionable insights.

Software Engineer 5 will design and execute large-scale code and infrastructure migration campaigns across Netflix's fleet of thousands of repositories and services. Responsibilities include building automation platforms, writing design documents, and partnering with teams to ensure successful migrations. Strong backend engineering skills, experience navigating complex infrastructure ecosystems, and deep experience with AI-driven solutions are required.

Data Science Specialist will design, build, and operate data products and AI applications. Responsibilities include managing data pipelines, ensuring platform stability, and collaborating with teams to resolve application issues. Requires a Bachelor's or Master's degree in a related field, strong SQL and Python skills, and experience with databases and enterprise systems.

This role supports the administration and governance of Microsoft Power Platform across development, validation, and production environments. Responsibilities include platform administration, solution architecture, development, and ensuring compliance with enterprise standards. The engineer will design, develop, and support AI-first automation solutions using Power Apps, Power Automate, and Copilot Studio.

Senior Analytics Engineer to build and own the data backbone of a new Data & Insights module. Develop scalable cloud-based data pipelines, design data models, and build high-performance data platforms. Experience with cloud platforms (AWS, GCP, Azure), SQL, data modeling, and Infrastructure as Code (Terraform/CDK) required.

Leads the global Education Services function, responsible for training development and delivery. Translates learning strategy into scalable training solutions and owns the commercial side of training for clients and partners. Drives a project-based approach to training delivery and develops a portfolio of training offerings. Builds and runs an internal enablement program to upskill employees on SimCorp solutions. Collaborates with various teams to ensure business alignment and impact. Leads and develops a high-performing global team.

Senior Database Developer needed for Sportsbook and Platform teams. Design, develop, and optimize database solutions using Microsoft SQL Server and T-SQL. Analyze, troubleshoot, and optimize complex queries and database objects. Support developers and second-level support in resolving database-related issues. Contribute to continuous improvement of database development standards and best practices. Minimum 5 years of experience required.

Manage large-scale, cross-functional IT initiatives aligned with strategic priorities, ensuring timely and high-quality delivery. Translate business objectives into defined project scopes, milestones, and delivery plans.

Designs and implements backend services and APIs to automate provisioning, configuration, and lifecycle operations for CoreWeave's global server fleet. Develops Kubernetes custom resource definitions (CRDs) and integrates with vendor and internal APIs. Collaborates with hardware engineering, data center operations, and platform teams.

Project Manager to lead end-to-end delivery of complex Electronic Financial Transaction projects across Europe. Develop project plans, track progress, and manage stakeholder expectations.