ruby English-speaking jobs in Bielsko-Biała

Senior AI Engineer to develop innovative agentic AI solutions across diverse applications. Experience with Python, PyTorch, LLMs, and VLMs required. Strong communication and collaboration skills.

Senior Software Engineer needed for dynamic, fast-paced projects. Must have a broad knowledge of IT and proficiency in at least one of the following: React, React Native, Node.js, Python, Elixir, or Blockchain technologies. Strong English and Polish communication skills required.

Leads delivery of Application Management services for AI & Data solutions on cloud-based platforms. Manages service SLAs, improves communication with stakeholders, and enhances knowledge bases. Optimizes ITSM processes, monitors performance, and manages supplier relationships. Requires strong Delivery Management skills, ITIL expertise, and proficiency in Azure Cloud technology.

Opera seeks an Automation QA Engineer to design and maintain automated test suites for backend services and frontend applications. Responsibilities include collaborating with developers, creating test cases, monitoring test execution, and improving QA processes. Solid experience with backend and frontend testing frameworks is required.

Develop and operate LLM-based AI systems in Python, focusing on productionizing AI applications at scale for connected cooking experiences.

Senior Software Developer to support airline crew management systems. Responsibilities include software development, troubleshooting, and collaboration with internal and external teams. Requires strong C knowledge, working knowledge of Java or C#, and Linux/Unix experience.

The Java Software Engineer will analyze, design, develop, test, and debug software enhancements and solutions within Charles River’s business and technical problem domains. Responsibilities include collaborating with Business Analysts and Product Managers, providing troubleshooting assistance, and adhering to the CRD scrum methodology. The role requires 2-4 years of Java development experience, preferably in the FinTech area, and a B.S. degree in Computer Science, Engineering, or a related field.

This role is a hybrid of an MS Office / M365 / O365 SME and Team Lead. Responsibilities include leading a small run operation team, acting as a client-facing SME for M365 / O365 topics, and collaborating on complex changes, migrations, and upgrades.

Design, develop, and maintain cross-platform mobile applications using Flutter. Collaborate with teams to build native Android and iOS features. Integrate with backend systems through RESTful APIs.

MLOps consultant to support and maintain Azure infrastructure for AI/ML workloads. Responsibilities include deploying and monitoring ML pipelines, working with Azure Databricks, and implementing CI/CD pipelines. Requires experience with DevOps in cloud environments, Azure, CI/CD, and Terraform.

Lead the architecture and development of multi-LLM systems, including Mixture-of-Experts and LLM routing, for cost-performance optimization. Design GPU/TPU-optimized training pipelines for billion-parameter models. Build multi-cloud GenAI platforms with unified MLOps and implement enterprise security measures. Pioneer GenAI use cases and establish AI governance frameworks. Mentor junior engineers and evangelize GenAI best practices.

We are seeking a Functional Data Analyst – SAP Plant Maintenance to support data migration activities within the Data Tower. This role focuses on SAP S/4HANA data and standard processes, acting as a key link between process towers, business stakeholders, and technical teams.

Software Architect needed for design and development of scalable, high-performance software architecture for data integration, synchronization, and processing from sensors. Experience in real-time data processing systems, embedded/IoT systems, and large data handling is required.

Senior PHP Developer needed for a remote team. Build scalable applications using PHP 8.3, Laravel 11, and PostgreSQL. Collaborate on a modular monolith with a focus on clean, maintainable code and automated testing. Must have strong communication skills and experience with large-scale systems.

FullStack Engineer (.NET & React) to modernize a portfolio of .NET applications and MSSQL databases into a cloud-native Azure architecture. Responsibilities include designing and developing backend services, evolving React TypeScript frontends, and modernizing legacy codebases. Requires 5+ years of commercial experience with C#, .NET, EF Core, MSSQL, React, and TypeScript.

Manual Tester for industrial EtherNet/IP solutions. Validate functionality, performance, and interoperability of software releases. Maintain test cases, plans, and documentation. Collaborate with cross-functional teams.

Lead the design of business applications, ensuring they are both visually appealing and functional. Develop design standards and collaborate with clients and developers to create user-friendly experiences.

FunCrafters seeks a .NET Developer to join the Sato Team and contribute to a new Puzzle RPG game. The role involves designing, building, and optimizing high-performance, low-latency distributed systems using C#/.NET, AWS, and related technologies. Requires 7+ years of professional software development experience in C#, fluency in Polish and English, and expertise in concurrency, asynchronous I/O, memory management, network protocols, and performance profiling.

Solution Architect will design and implement robust, scalable, and secure software solutions. Responsibilities include leading the design of end-to-end architectural solutions, providing technical guidance to development teams, and evaluating technologies to solve complex business problems. The ideal candidate will have at least 5 years of experience with Java development, Oracle database technologies, and Microsoft Azure services. Experience with Kafka, Kubernetes, WebLogic Server, and Domain-Driven Design is also required.

Senior Product Engineer to build scalable backend systems and product features for a live AI platform. Experience with backend systems, APIs, and modern development approaches is required.