react English-speaking jobs in Ruda Śląska

Test Engineer will develop test operation plans, conduct manual E2E testing, and analyze test results for 5G technology (L1 and L2, baseband, radio). Requires general knowledge of 5G network architecture and features, understanding of testing importance in software development, and basic understanding of IP networks.

Develops and implements global procurement strategy, manages sourcing initiatives, and oversees projects to achieve strategic sourcing goals. Collaborates with stakeholders, suppliers, and internal teams to ensure compliance and continuous improvement. Requires a university degree and minimum 7 years of procurement experience, with at least 2 years in logistics.

Actionable.co seeks a UX-focused front-end engineer to develop analytics dashboards and user workflows. Responsibilities include designing intuitive user experiences, collaborating with back-end engineers, and driving product development from concept to delivery. The role requires strong experience with Vue.js, React, CSS frameworks, and analytics visualization libraries.

Senior/Lead AI DevOps engineer needed for leading architecture and deployment of AI/ML/GenAI solutions. Expert in Linux/macOS, Python, IaC (Terraform, Ansible), CI/CD (Azure DevOps, GitHub Actions, Jenkins), and Azure cloud. Strong leadership and communication skills required. Fluency in English.

Senior Staff Platform Engineer to design, evolve, and secure cloud infrastructure across Azure environments. Lead initiatives in cloud governance, networking, security, and identity. Drive DevOps, CI/CD, and GitOps adoption. Mentor engineers and contribute to complex infrastructure challenges.

Mid-senior AI Software Engineer to build and ship AI-powered features. Develop agentic workflows, integrate with LLM APIs, build REST APIs, and contribute to React/Next.js applications.

Senior Network Engineer to support business network requirements in both project-based work and BAU operations. Troubleshoot, configure, and maintain network components (primarily Cisco and Arista). Collaborate with security teams to ensure network security best practices.

Account Manager to strengthen HMI service line. Manages customer relationships, drives revenue growth, and supports sales and pre-sales activities. Requires experience in IT project management, pre-sales, and the SDLC. Fluent English (C1 level) is essential.

Security Engineer will drive IT security standards across LotusFlare's cloud-native DNO stack. Responsibilities include implementing security technologies, managing cloud-native runtime environment security, and performing security testing.

IT Analyst needed for a project focused on payment systems. Requires 5+ years of experience in IT/business analysis, knowledge of banking and payment domains (SEPA, Swift, ISO), and experience with reconciliation processes. Must have SQL, UI prototyping, Jira, and Confluence experience. Strong analytical and communication skills are essential.

Data Ops Engineer needed to build and maintain a new data platform on Snowflake and DBT within the Azure ecosystem. Responsibilities include platform automation, CI/CD pipeline management, and hybrid data engineering tasks. Requires strong Azure DevOps, Terraform, and Azure Data Factory experience.

AI & Systems Integrations Architect needed to transform core platforms (HubSpot, GCP, Front, Tableau) into a data-driven engine. Responsibilities include auditing and redesigning HubSpot data structures, building API integrations, and developing AI agents and custom workflows. Requires expert-level knowledge of Google Workspace/GCP, HubSpot Enterprise, and experience with LLMs. Must have strong communication skills and a "Builder" mindset.

Build and automate tools for employment compliance, integrate APIs, and design new features. Collaborate with the founding team to develop prototypes and MVPs. Requires 5+ years of software engineering experience, strong communication skills, and expertise in Python, Postgres, SQLAlchemy, FastApi, and mypy.

Backend Engineer to design, build, and operate cloud-native services used by multi-platform applications. Develop backend features using .NET and PHP, and collaborate with Product Managers and other stakeholders.

The EMEA Data Centre Operations and Service Manager will oversee the daily, secure, and efficient functioning of technical facilities within data centers. Responsibilities include maintaining existing data centers, implementing IT service methodologies, managing vendor relationships, and ensuring safety compliance.

Manages complex international projects across various media, including web, digital, video, print, and eCommerce. Establishes operating models and workflows for new clients, oversees team performance, and ensures brand standards are met. Prepares offers, manages budgets, and reports on project results. Requires 1+ year of experience as an Account Director or Account Supervisor, fluency in English, and experience with international clients.

QA Engineer will create and execute automated and manual tests to ensure optimal system performance. Collaborate with development and support teams to deliver high-quality applications. Develop and maintain test plans, document QA processes, and advocate for best practices. Requires 5+ years of QA experience, strong automation background, finance expertise, and experience with SQL, APIs, and programming languages (Java, C#, Python).

The 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.

Capstone Integrated Solutions seeks a Back End Developer with Python skills to design and develop a cloud-native application on AWS. Responsibilities include collaborating on software solutions, performing AWS backend development, and integrating solutions with existing systems.

Build and own backend processing logic for a leading work-management platform. Participate in the full product development lifecycle, collaborating with cross-functional teams. Develop clean code and contribute to a superlative user experience.