ruby English-speaking jobs in Bielsko-Biała

Operations Engineer needed to ensure operational stability and availability of business-critical systems. Responsibilities include incident resolution, service improvements, and infrastructure automation. Requires 3+ years of experience, proficiency in Linux, Bash, SQL/T-SQL, and Jira.

QA Engineer to join an Agile team ensuring high-quality software delivery across web platforms. Responsibilities include manual and automated testing, test case creation, and contributing to test automation development (Playwright/Python). Experience with API testing (Postman), CI/CD testing processes (GitLab CI), and AI testing tools is required.

Supports account receivables activities, applying cash, managing data, and ensuring accurate financial reporting. Processes payments, resolves discrepancies, and collaborates with teams to investigate customer issues. Requires 4 years of finance experience, strong SAP S/4HANA Central Finance (CFIN) skills, and proficiency in business English.

Design, develop, and improve digital products and technology services using Java, Python, or another object-oriented programming language. Participate in an 18-month graduate program with hands-on experience and professional development.

Shape the frontend architecture and technical direction of a modular, multi-brand CMS platform. Design and implement both server-rendered and dynamic component-driven interfaces using React and TypeScript. Lead the implementation of design systems and component libraries, ensuring consistency across multiple brands and international markets. Collaborate with backend/full stack developers, UX/UI designers, and product managers.

Build production AI systems that reason over industrial knowledge graphs. Design systems allowing LLMs to interpret and reason over PlantGraph, combining graph queries, ontology structures, and engineering data. Create natural language interfaces over complex systems and orchestrate AI across graphs, documents, and workflows.

Lead provisioning, management, and optimization of cloud infrastructure and services (OCI, AWS, Azure). Oversee deployment and configuration of public cloud resources, ensuring security, scalability, and cost efficiency. Develop and maintain automation scripts and tools for cloud resource management. Implement Infrastructure-As-Code and Terraform scripts for cloud infrastructure deployments. Drive integration with DevOps workflows. Mentor and guide L2 Support Analysts. Lead cloud migration projects. Participate in governance, reporting, and service review meetings. Establish and maintain cloud landing zones with policy-as-code guardrails. Own identity and access standards and key/secrets management. Define and operate network reference architectures. Lead container/Kubernetes platform operations. Own FinOps operations. Maintain golden images and patch pipelines.

Develop standalone apps for large touchscreen displays using Unreal Engine and Virbe's proprietary technology. Build desktop, mobile VR apps, and add features to the UE Marketplace plugin. Requires 2+ years of game or VR/AR app development experience and 1+ year with Unreal Engine.

Embedded C Engineer to develop baseband software for 5G and 6G Radio Access Network (RAN) solutions. Requires 5+ years of experience in embedded software development, C and Python programming, and telecom expertise (5G or 4G wireless communication).

Develop custom Shopify themes and frontend solutions using Liquid, JavaScript, React, Tailwind, and GraphQL. Experience with Shopify platform best practices and 3-5 years in eCommerce environments required.

Develop compact, manufacturable, and thermally efficient medium-frequency magnetic solutions for transformers and magnetic assemblies. Translate electrical performance and system requirements into mechanical architectures ensuring performance, reliability, and cost-optimization.

Senior Platforms Engineer to design, build, and manage fault-tolerant, scalable, and secure solutions. Requires expertise in Oracle stack, Linux administration, multi-server farms, and virtualization technologies.

Lead a team in the design and delivery of digital products, including solutions design, component development, and problem-solving. Requires 7+ years of full-stack development experience, 3+ years in Node.js backend development, 5+ years in React + Redux frontend development, and 2+ years of team leadership experience.

The TBM Senior Mechanical Plant Engineer provides senior-level mechanical technical support for tunnel boring machines and backup systems. The role ensures high equipment availability, plans maintenance, diagnoses complex failures, and optimizes machine performance.

Develop and maintain functionality for SMARTPlant IT products using Angular 2+, Azure/AWS Cloud, .NET Stack, microservices, and databases. Collaborate with consultants and stakeholders on business requirements.

Innowise seeks a QA / Software Testing Specialist with experience in functional and non-functional testing across web, mobile, and desktop platforms. The role requires understanding of the software development lifecycle, Agile methodologies, and test documentation. Experience with bug tracking and test management systems is essential.

Lead and scale marketing automation strategy, designing, implementing, and optimizing automated campaigns across various platforms. Manage customer journey orchestration, segmentation, and performance tracking. Collaborate cross-functionally to deliver integrated marketing initiatives.

Own and launch Terapia, a new digital product connecting patients with therapists, in a new market. Drive product and operational decisions, onboard therapists, and shape the product for local users.

Mid/Senior React Developer needed for MUI 9 migration project. Build a central SSR-compatible component library using MUI 9, Next.js, and Storybook. Expert-level React knowledge, MUI 9 experience, and SSR/CSR understanding required. At least 5 years of relevant frontend experience and component library experience necessary.

Freelance AI Engineer needed to integrate AI features into existing Node.js, Ruby, Python, React, or React Native applications. Experience with LLM APIs, vector databases, and AI tooling (LangChain, LlamaIndex, Vercel AI SDK) required.