ruby English-speaking jobs in Bielsko-Biała

Senior Software Engineer will develop Java-based backend applications, Angular frontends, and data models for relational and document-oriented databases. Responsibilities include creating architecture and implementation concepts, participating in design reviews, and testing, rolling out, and supporting applications.

Node.js Engineer to build and maintain a high-performance RESTful API for a consumer purchase insights company. Requires expertise in SQL, distributed systems, and experience with AWS (Redshift, RDS Postgres, S3).

Java Developer to support the development of In Flight Optimization (IFO), a real-time flight plan re-optimization module. Responsibilities include implementing algorithms, ensuring code quality, and collaborating with the team. Requires 5+ years of Java development experience, Spring Framework, RDBMS/NoSQL, Linux, scripting, and unit testing.

Senior UX Researcher needed for a fixed-term maternity cover role until April 2027. Conduct end-to-end research, uncover user needs, and communicate insights to product teams. Experience with AI research tools and a strong understanding of qualitative and quantitative research methods are required.

Systems Engineer to administer and develop VMware virtualization environments, storage infrastructure, and Commvault platform. Requires 4-5 years of experience in infrastructure operations, strong VMware and Linux skills, automation experience (Ansible, Bash/Python), and database administration knowledge.

Remote Sonographer / Ultrasound Technician needed to create diagnostic questions, review AI-generated radiology reports, and provide feedback for AI model training. Requires radiology experience and strong clinical reasoning.

Senior Offensive Security Engineer will provide expert oversight of offensive security activities, ensuring quality and effectiveness. Responsibilities include assessing penetration test reports, evaluating vendors, conducting independent penetration tests, and guiding the development of the cybersecurity roadmap.

Senior React Native developer to design, develop, and maintain high-quality mobile applications across iOS and Android platforms. Requires minimum 5 years of professional experience with React Native, including at least 2 years of hands-on experience with native iOS and/or Android development. Must have strong proficiency in TypeScript, with working knowledge of Objective-C, Swift, Kotlin, and Java. Proven production experience deploying mobile applications to the Apple App Store and Google Play Store is required.

Manages data analytics consulting projects, proposing solutions, gathering requirements, and supervising implementation. Collaborates with team members on client projects, developing data-driven solutions. Designs, develops, and implements management information products and analytical solutions. Provides insights on transforming raw data into visualizations. Leads development of data tools for transformation, management, and access. Oversees implementation of performance monitoring protocols. Supports identification of data governance requirements and manages data accessibility.

Senior PHP Developer needed for a business-critical system responsible for invoice generation and complex financial processes. Requires deep understanding of business workflows derived from existing codebase.

Senior Staff Software Engineer will lead the architectural strategy for AI-powered browsing technologies, designing and developing advanced systems that combine AI, personalization, and next-generation web capabilities.

Provide 2nd/3rd-level support for printing and scanning systems and applications. Ensure availability, performance, and security of the print/scan infrastructure. Administer print servers, device configurations, drivers, and related backend systems. Contribute to service documentation and operational guidelines.

Experienced Android AOSP Developer sought for a greenfield project targeting its first official release in 2026. Responsibilities include developing and maintaining AOSP components, collaborating with cross-functional teams, and contributing to development milestones. Minimum two years of professional experience working on Android AOSP projects is required. Additional experience with Bluetooth integration, HAL, OTA updates, and GMS is advantageous.

Experienced SAP EWM Consultant needed for consulting projects. Must have a minimum of three years of experience in SAP projects, in-depth understanding of SAP EWM business processes, and proficiency in MS Office tools. Excellent communication and problem-solving skills are required. Fluency in Polish and English is essential.

Senior Workplace Engineer will manage virtualized and physical Tier 0 environment based on Windows Server 2016/2019/2022. Responsibilities include troubleshooting, maintenance, and operational support for the Active Directory environment, managing identities in both on-prem Active Directory and Azure Entra ID, performing IAM activities on Zscaler and CyberArk PAM level, and performing incident, service request, and change management.

Develops and maintains automated test scripts using languages like TypeScript, Python, and Java. Contributes to test automation frameworks and integrates tests into CI/CD pipelines. Analyzes test results and mentors junior engineers. Requires 5+ years of software test automation experience and fluency in English and Polish.

Senior Frontend Developer will implement, test, and profile front ends using ReactJS. Experience with Angular and Next.js is required, along with a focus on user experience and agile methodologies.

Senior MLOps Engineer to design, implement, and maintain a robust MLOps platform. Experience with AWS SageMaker, MLflow, GitLab CI/CD, and deep learning frameworks (TensorFlow or PyTorch) required.

React Engineer to design, build, and maintain complex frontend workflows for a Network-as-a-Service platform. Collaborate with backend, network, and cloud engineers to ensure frontend behavior aligns with operational workflows. Minimum 5 years of experience with React programming and solid TypeScript skills required.

Mid-Level Software Engineer to build and maintain features for a B2B SaaS Partner Relationship Management platform. Responsibilities include designing APIs, developing frontends, and collaborating on architecture. Requires experience with JavaScript/TypeScript, Next.js, PostgreSQL, and REST APIs.