react English-speaking jobs in Chorzów

Design, build, and maintain complex automation workflows using the n8n platform. Integrate external systems via APIs, webhooks, and authentication mechanisms. Develop and operate AI-driven automations, including LLM integrations and RAG-based workflows.

C++ Developer needed for maintaining and enhancing a client payment system. Requires 5+ years of experience in applications design and development, C/C++ and OO design, and strong communication skills. Must have a Bachelor's Degree in a related technical discipline. Experience with electronic payment systems is desirable.

Senior Android Engineer will develop and maintain code for access-controlled parking within native Android applications. Responsibilities include collaborating with the Tech Lead and Product Manager, ensuring high-quality deliverables through testing, and contributing to the AppBFF using JavaScript/Node.

Product Manager II will guide products from conception to launch, connecting technical and business worlds. Responsibilities include developing product requirements documents, user guides, and user experience mockups. The role requires 5+ years of experience in product management or a related technical role, including 2+ years in SaaS or a related area. Experience with cloud computing, backend, and distributed systems is necessary.

Leads the evolution of software digital product development practices, ensuring alignment with enterprise platform strategies. Defines and maintains engineering guardrails and reusable assets. Drives modernization by embedding cloud-native architectures, DevSecOps, and automation. Mentors engineering teams and leaders, fostering a culture of continuous improvement. Provides strategic insight into emerging technologies and engineering practices.

Lead the technical direction of our platform, architecting and implementing scalable software solutions using Ruby and Ruby on Rails. Mentor developers, ensure code quality, and contribute to the evolution of our technology stack.

Firmware Development Engineer will design, code, debug, execute, and report on automated/manual tests. Responsibilities include creating validation strategies, participating in architecture reviews, and collaborating with teams on Agile processes.

Radio Communication Engineer will design and deliver telecommunication systems for offshore wind farms. Responsibilities include creating technical documentation, participating in contract negotiations, and ensuring system delivery according to contract specifications. Experience with TETRA, VHF FM, Microwave Link, Radar, AIS, ADS-B, and LTE is required.

The Senior Platform Developer delivers high-quality, secure, and scalable solutions for the International Salesforce platform. Responsibilities include designing, building, and maintaining business-critical capabilities, ensuring efficient release processes, and mentoring junior team members.

Lead and oversee global clinical trials from start-up to close-out, ensuring excellence in delivery and compliance. Develop and manage project plans, budgets, and resources, including vendor relationships and performance metrics. Provide strategic input on study feasibility and operational activities.

Business Analyst specializing in Data Governance needed for full-time hybrid role in Warsaw. Analyze business requirements, define and optimize processes, and ensure alignment with data governance standards.

Senior Frontend Engineer will define technical architecture and engineering standards for landing pages, checkout experiences, and funnel steps built with React and TypeScript. The role involves cross-functional coordination, system evolution, and full-stack contribution across a range of technologies.

Senior Data DevOps/MLOps Engineer needed to develop automated pipelines using Jenkins and Databricks for continuous integration, Python package releases, and ML model training. Manage AWS cloud resources and collaborate with cross-functional teams to enhance MLOps processes. Requires 3+ years of experience in a Data DevOps or MLOps role and proficiency in cloud resource management and deployment on AWS. Fluent English communication skills at a B2+ level are essential.

Cerebre seeks a .NET Software Engineer with 6+ years of experience in software development, expert-level C# knowledge, and proficiency in the Avalonia UI framework. The role involves designing, implementing, and troubleshooting desktop applications, focusing on vector graphics rendering, real-time visual feedback, and performance optimization.

Lead a team managing data processing pipelines for Platform customers on a global scale. Develop and maintain distributed microservices running on Kubernetes clusters across multiple AWS regions. Collaborate with stakeholders to define technical requirements and architectural designs. Drive software development processes and ensure adherence to quality standards.

Senior Data Analyst – EHS&S supports the Corporate Environment, Health, Safety, & Sustainability organization through data management, analytics, and system administration. This role manages important datasets within the enterprise EHS&S software platform and associated systems, ensuring the quality, integrity, and accessibility of EHS&S information. The Senior Data Analyst transforms data into applicable insights that improve organizational safety, environmental performance, health, sustainability, and compliance programs.

Consolidation Analyst needed for a renewable energy company. Requires 2-3 years of audit experience (BIG4 preferred), knowledge of International Accounting Standards, and fluency in English.

Junior Frontend Software Engineer to develop and maintain web-based UI for a cloud backup solution. Responsibilities include building UI components, writing tests, and collaborating with teams. Requires practical frontend development experience, knowledge of Angular, TypeScript, and testing methodologies.

Workplace Strategy Consultant to help organizations transform their workplaces. Develop strategies that align with business goals and employee experience. Synthesize data and market trends to generate strategic recommendations. Collaborate with clients and internal teams to ensure successful implementation.

Experienced System/Platform Engineer needed for Transaction Sanction Screening (TSS) team. Responsibilities include driving technical changes, overseeing releases and upgrades, ensuring platform stability, and collaborating with vendors. Must have experience with PowerShell scripting, Elastic stack (ELK), and UML. Preferred experience includes Windows Server, IBM WebSphere Application Server, and Jenkins.