react English-speaking jobs in Mysłowice

Senior Power Platform Engineer needed to administer and develop automations using Power Automate and Copilot Studio. Responsibilities include platform governance, solution architecture, delivery, and maker support. 7+ years of experience as a Power Platform administrator and developer required. Experience with UiPath and regulated environments preferred.

Senior Product Manager to lead and scale FastEdge, Gcore's edge computing and logic execution platform. Define product vision, strategy, roadmap, and developer experience. Drive product differentiation and monetization, working closely with engineering, design, product marketing, sales, and platform teams.

IT Delivery & Operations Manager will coordinate delivery activities, monitor progress, and support operational governance. The role involves leading projects, managing budgets, and collaborating with stakeholders. Requires 5+ years of experience in IT delivery, program management, or technical delivery leadership. Must have strong stakeholder management, communication, and coordination skills. Proficiency in English is required.

Senior Full Stack Engineer to lead development and scaling of a platform for clean energy contractors. Requires 7+ years of experience in full-stack development with expertise in AWS, React, GraphQL, TypeScript, Node.js, MikroORM, PostgreSQL, and GitLab.

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.

SAP Inhouse Consultant focused on engineering data integration between PDM/PLM/CAD systems and SAP. Designs, develops, and implements technical integration flows, analyzes data transfer issues, and collaborates with internal teams to define data validation rules. Requires practical experience with ABAP development and understanding of engineering data structures.

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).

DoubleZero seeks a Smart Contract Engineer to develop novel smart contracts on Solana/SVM and other chains. Responsibilities include building secure and stable code, understanding blockchain technologies, and collaborating on the DoubleZero code base.

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.

Business Analyst with deep expertise in financial software, translating business requirements into IT solutions. Experience in guiding analysts, defining functional solutions, and optimizing workflows. Proficient in Jira, SQL, and BPMN. Fluency in English and Polish required.

Data Analyst will build and maintain SQL-based dashboards to track model stability, data drift, and feature quality. Responsibilities include designing alert logic, investigating anomalies, and proposing corrective actions. Strong SQL skills and experience with data validation, monitoring, or analytical quality control are required.

Senior Full Stack Software Engineer will develop backend and frontend applications, collaborate with design and product teams, and contribute to the company's cybersecurity solutions. Requires 6+ years of software development experience, proficiency in JavaScript/Typescript and React, and experience with Golang, Kubernetes, Docker, and CI/CD tools.

Penetration Tester (SaaS and IoT) will conduct manual and automated testing of SaaS platforms, APIs, and IoT devices. Responsibilities include vulnerability management, secure SDLC integration, and creating technical documentation. Requires 4+ years of experience in a technical security role, expertise in testing both hardware/firmware and web-based platforms, and proficiency in scripting and security tools.

Experienced SAP Basis Administrator needed for international automotive project. Manage and maintain SAP systems, support migrations (including RISE), perform upgrades and tuning.

Percall seeks a Pre-Sales Solution Consultant to develop business opportunities for Siemens solutions. The role involves understanding client needs, crafting proposals, and collaborating with delivery teams and sales representatives. Experience with PLM, MOM, or IoT and Siemens solutions is required.

Lead feature-level engineering delivery for one or more product streams, translating product requirements and architectural direction into working software. Guide a sub-team of engineers through build, test, and release readiness. Collaborate with Product Owners, UX Designers, and Solution Architects to ensure engineering execution aligns with product goals and enterprise standards.

As an SAP Solution Architect, you will act as a Subject Matter Expert (SME) within a strategic domain (Retail, Energy, Manufacturing, Automotive, Public Sector, or Pharma). You will shape domain-specific SAP architectures, guide clients through digital transformation journeys, and ensure solutions align with industry standards and best practices. You will design and implement SAP solutions tailored to the selected domain, leveraging industry best 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.

Develop and maintain robust backend services in Python for AI integrations. Build and fine-tune AI agents using LangChain or LangGraph to process complex logistics logic. Implement the bridge between GenAI layers and existing TSP-solving engines.

Build and own the web application for BlueThrone's monetization and experiments platform. You will design and implement complex experiment configurations, analytics dashboards, and platform admin tooling. Collaborate with Monetization and Business teams to translate requirements into intuitive, high-performance UI.