ruby English-speaking jobs in Bielsko-Biała

Manage and optimize TikTok campaigns across multiple EU markets. Develop and execute creative strategies, conduct testing, and analyze performance data to drive ROI. Proven experience scaling TikTok ad budgets profitably is required.

Invoice to Cash Analyst will manage customer accounts, ensuring timely payments and resolving invoice disputes. Responsibilities include contacting customers, reconciling accounts, and collaborating with internal teams. Requires a bachelor's degree, fluency in English and French, and one year of I2C experience.

We are seeking freelance translators with native-level German and excellent English skills to translate video games and movies. Responsibilities include translating, proofreading, meeting deadlines, and collaborating with project managers.

Develop and scale reliable, scalable solutions for Tellent Recruitee, an innovative Applicant Tracking System (ATS). Contribute to building new capabilities and modernizing the existing codebase. Participate in technical discussions and help align system design with business goals.

DW OIL Polska seeks a Country Manager to oversee local operations, manage commercial and operational activities, and report directly to the company owner. Requires proven experience in business operations, trading, or management, fluency in Polish, Russian, and English, and the ability to work on-site daily in Międzyrzec Podlaski.

Senior AI Engineer to design, develop, and deploy scalable AI/ML solutions for healthcare and operational use cases. Requires 5+ years of experience in AI/ML engineering with proven delivery of production-grade systems. Strong Python skills and proficiency with major ML frameworks are essential.

Develop video processing software in C++ for cross-platform implementations. Evaluate and apply technical solutions to address evolving requirements. Solid C++ knowledge and experience with build systems like CMake are required.

Experienced Integration Consultant needed to provide functional support for SAP S/4HANA EVA within a Retail IT landscape. Responsibilities include system configuration, incident resolution, end-user training, and documentation. Requires minimum 4 years of SAP experience, at least 2 years with EVA integrated with S/4HANA, and strong functional knowledge of S/4HANA. This is a part-time (0.5 FTE) role based in Kraków, Poland.

Senior Fullstack Cloud Developer will design and develop microservices for check-in, flight changes, refunds, and disruption handling. Responsibilities include building and integrating with Amadeus DAPI and Salesforce Service Cloud, developing high-load APIs, and collaborating with product, engineering, and cross-tribe teams. Requires strong backend engineering experience in Java/Spring, proficiency with AWS cloud services and microservices architecture, and experience designing and implementing REST APIs.

Design, maintain, and optimize Jenkins pipelines for multi-language builds (Java, Node, Python, Helm, Terraform, containers). Ensure artifact integrity and security through SLSA, SBOM, and security scan aggregation. Refactor legacy scripts and mentor engineers on secure pipeline development.

Business Analyst with 4+ years of experience needed. Strong SCRUM knowledge and Agile experience required. Translate business needs into technical solutions and collaborate with product owners, stakeholders, and development teams.

Support a global HR team across 11 countries on projects including reorganization, compensation, succession planning, and skill planning. Provide status updates, manage timelines, and ensure data quality.

System Analyst/Researcher for 5G R&D, focusing on Radio Resource Management, algorithm development, and 5G standards contribution. Requires strong communications theory and digital signal processing knowledge, 5G specifications understanding, and simulation experience.

Business Development Representative needed for a fast-growing international technology company in Krakow. This role involves building client relationships, identifying sales opportunities, and collaborating with internal teams. Requires 1+ year of sales experience, German proficiency (B2+/C1 minimum), and English proficiency (B2 minimum).

Junior Lawyer to join the Infrastructure, Projects and Energy Team in Warsaw. Focus on energy transition, advising on renewable energy and infrastructure projects. Requires law degree or advocate/legal adviser training, strong English, analytical skills, and teamwork.

Solera seeks a Billing Systems Engineer to design, develop, test, and maintain applications using C#, .NET Core/.NET 6+, ASP.NET Core MVC, and Web APIs. The role involves creating clean, maintainable code, developing queries and stored procedures, and integrating applications with databases and cloud services.

Kotlin Developer to design, develop, and improve system components for intelligent solutions within a product ecosystem. Experience with Kotlin, AI-driven solutions, and architectural decision-making is required.

Data Analyst needed to standardize and align clinical study data across multiple sources. Requires 4+ years of experience, proficiency in Python and SQL, familiarity with AWS, and experience in data visualization.

The Security Engineer strengthens and improves application security posture by integrating security best practices into the development lifecycle, automating controls, and implementing infrastructure as code. This role collaborates with application teams to assess vulnerabilities and provide remediation guidance.

Health Insurance Subject Matter Expert will shape and build CoverGo's health insurance product capabilities. This role provides deep health insurance expertise to the product development lifecycle, ensuring features are accurate, compliant, and aligned with real-world insurance operations.