ruby English-speaking jobs in Bielsko-Biała

Software Engineering Intern supporting professionals on core activities, completing an end-to-end project, and participating in trainings.

The Systems Configuration and Test Engineer will create and maintain Continuous Validation environments, define and execute test scenarios, and diagnose system issues. The role requires knowledge of computer networks, network protocols, virtualization tools, and defect tracking.

Senior full-stack engineer to build and ship AI-first products. Expertise in TypeScript, React, Next.js, Node.js, and Postgres required. Strong UI/UX instincts and experience in high-autonomy environments essential.

Customer Service Specialist needed for a medical device project supporting diabetes patients. Provide phone and email support, answer product and service questions, and resolve customer issues. Fluency in Czech and Slovak (C1-C2) and communicative English (B1) required.

Embedded System Software Engineer – Bialystok Office (Remote/Hybrid Available) Responsibilities Develop, debug, and optimize application-level and system-level C/C++ code for embedded Linux and RTOS platforms. Implement and maintain user space APIs, kernel modules, and device drivers. Integrate and configure open-source components using Linux build systems.

Provides support and resolves issues for e-Commerce, web, and customer master solutions. Coordinates e-Commerce implementations, gathers requirements, and performs testing. Acts as a contact person for e-Commerce solutions, providing support and guidance. Manages product data for distributor webshops and the Sandvik Coromant e-Catalogue.

Lead Production Engineering professional to drive production optimization, problem-solving, and continuous improvement. Support daily management, line balancing, and optimization of production processes. Lead internal optimization projects and participate in automation projects.

The Cyber Risk Analytics & Automation Manager develops and executes the product strategy for cyber risk analytics, ensuring cybersecurity, technology, and business leaders have actionable insights into risk exposure and control effectiveness. This role translates complex cyber risk information into compelling narratives and visualizations, enabling stakeholders to understand risk exposure, evaluate trade-offs, and take decisive action. The manager collaborates with data engineering and architecture teams to build scalable cyber risk data platforms and analytics pipelines, and partners with cybersecurity engineering, risk management, and business teams to ensure analytics solutions meet operational needs.

Senior Salesforce Developer will analyze business requirements, build and implement new features, and maintain technical documentation. Requires 4+ years of Salesforce development experience, strong JavaScript knowledge, and proficiency in Polish.

Ledger seeks a Service Quality Manager/Incident Manager to own incident and problem management tickets, drive resolutions, and communicate with technical and non-technical stakeholders. The role requires foundational blockchain knowledge, broad IT infrastructure understanding, and strong troubleshooting skills.

Lead Software Engineer to own, shape, and scale a global payment platform. Drive technical strategy, mentor a team, and ensure secure, resilient solutions.

Financial Controller needed for month-end closure, reporting, and analysis. Requires 4+ years of experience in financial controlling, budgeting, and variance analysis. Strong Excel, PowerPoint, and SAP skills are essential. Fluency in English required.

Senior Android Engineer to design, develop, and maintain high-quality Android applications using Kotlin and Android Kotlin Multiplatform. Responsibilities include writing clean code, contributing to the Android codebase, leveraging Jetpack Compose, and writing unit tests. Requires at least 5 years of experience developing Android Apps, strong Kotlin knowledge, and experience with architectural design patterns.

Senior Security Engineer for the SAP Commerce Platform. Coordinate and strengthen security practices across engineering teams. Handle Product Security Incident tickets, conduct threat modeling, and review security scan findings. Collaborate with developers, architects, and product managers on security-related topics.

Support the People Team in day-to-day operations including recruitment, training, event coordination, data management, and learning about other HR areas.

Python Engineer to develop AI lifecycle management platform, data pipelines, and monitoring services in a Google Cloud Platform environment. Requires 4+ years Python experience, Flask framework, and databases (BigQuery, BigTable, MySQL).

Staff Backend Engineer will architect AI agent infrastructure for Bolt's Customer Support Automation team. Responsibilities include defining technical vision for conversational assistants, driving adoption of scalable AI patterns, and designing GenAI-powered customer support systems. Requires experience with LLM pipelines, agentic AI, distributed systems, and data structures.

Keywords Studios seeks a Junior Support Bar Analyst for a 6-month fixed-term contract. The successful candidate will provide first- and second-line IT support to local employees, troubleshoot issues, and ensure efficient service delivery.

Experienced Product Manager to lead development of new product categories (bathroom, kitchen, technical) within the FERRO Group. Responsibilities include strategy development, project management, market analysis, and stakeholder collaboration.

Client Onboarding Engineer will guide new customers through the integration of Teltonika Telematics solutions. This role involves direct communication with clients, technical support, and on-site visits to facilitate implementation. Strong communication, presentation, and technical skills are required.