English-speaking jobs in Kędzierzyn-Koźle

Full Stack Software Engineer will own and lead product features end-to-end, from research and design to implementation, testing, and shipping. Responsibilities include leading engineering architecture, mentoring other engineers, and designing scalable backend systems and responsive UIs. Must have 2-6 years of professional full-stack experience and proficiency with Claude Code and AI-native development workflows.

Lead a QA team to transform into a strategic, AI-powered quality engineering function. Define QA metrics, build a roadmap, and expand test coverage. Mentor SDETs, restructure on-duty rotations, and create career growth paths.

Support the planning and execution of joint marketing initiatives with partners to drive brand awareness, lead generation, and revenue growth. Collaborate with sales, marketing, and product teams to ensure co-marketing activities deliver measurable impact.

SentinelOne seeks a Director of Sales for the EEUR region to lead a team of Enterprise sales representatives. The role involves developing and executing sales strategies, building customer relationships, and expanding the company's customer base. Candidates should have proven sales leadership experience, strong communication skills, and the ability to build strategic plans and achieve results.

Senior Developer to plan and execute development of WCF-based web service systems. Requires strong C#, .Net, and WCF knowledge, experience with SOA, and database technologies. Must be able to deploy, maintain, and test services, and possess a strong understanding of security and performance optimization.

Senior Python Developer to design and build AI-enabled solutions, including RAG systems, autonomous agents, and MCP integrations. Will shape the architecture of the AI ecosystem, ensuring robust, scalable, and integrated solutions. Requires 7+ years of software development experience, 4+ years with Python, and experience with LLM orchestration frameworks.

Frontend Engineer to build and evolve user-facing features for a large-scale web application. Responsibilities include developing reusable React components, collaborating with cross-functional teams, and contributing to shared design systems. Requires professional experience with React, TypeScript, and REST APIs.

Senior Data Scientist will design and implement AI and ML solutions, including predictive models, segmentation, and conversational AI. Responsibilities include working with cloud platforms (Azure, AWS, or GCP), leading projects, and collaborating with clients. Requires 3+ years of experience in Machine Learning/AI, proficiency in Python and SQL, and strong theoretical knowledge of machine learning.

The Transformation Senior Manager delivers speed to value through pragmatic, time-boxed initiatives and rapid pilot-to-scale execution. This role builds strong relationships with senior stakeholders, aligns decisions quickly, and coaches teams in an 80/20, test-and-learn continuous-improvement mindset.

Network Automation Engineer to design, implement, and automate infrastructure migrations to a new platform, focusing on F5 load balancing. Requires strong Python, Terraform, Ansible, and F5 experience.

Design, develop, and maintain scalable C# APIs and backend services. Work with MongoDB and SQL Server for data modeling, querying, and performance optimization. Collaborate with UI developers and support cross-functional feature delivery.

Senior Python Developer / Quant Engineer needed for a high-impact energy trading project. Develop and lead the design of scalable backend systems using FastAPI, collaborate with quant developers, and build data engineering pipelines with Spark and PySpark. Experience with Azure services, CI/CD, and financial concepts is required.

Senior Product Analyst will partner with product teams to leverage data and analytics for product development and growth. Responsibilities include analyzing customer needs, identifying trends, developing reports, and supporting the growth of a product analytics team. Requires 5+ years of analytics experience, 2+ years in product/user experience analysis, and experience managing junior team members. Must have strong SQL skills and experience with data visualization and product analytics tools.

Senior Backend Engineer to design and build Java services for AI platform, including multi-agent conversational AI, predictive analytics, and member engagement.

Senior People & Culture Operations Specialist will manage HR administration for Poland, ensuring accuracy and local compliance. Responsibilities include onboarding, offboarding, absence tracking, and maintaining HR systems. Requires strong HR administration experience, knowledge of Polish labor law, and fluency in Polish and English.

Experienced iOS Test Engineer needed for a pharma client. Responsibilities include developing and maintaining automated test frameworks, performing manual testing, API testing, and creating comprehensive regulatory and compliance documentation. Must have 5+ years of experience with iOS test automation and manual testing, experience in a regulated environment, and strong documentation skills.

Full-Stack Developer will design, develop, and maintain backend and frontend applications using Java/Kotlin, Spring Boot, React, Material Design, and PostgreSql. Experience with AI, voice processing, end-to-end testing, CI/CD pipelines, and AWS deployment is required.

Information Security Officer needed for a European FinTech organization. Requires 2+ years of experience, SO2, and ISO27001 knowledge.

Senior Security Engineer will monitor, analyze, and respond to security threats using SIEM and EDR platforms. Responsibilities include leading incident response efforts, automating security workflows with Python, and leveraging the MITRE ATT&CK framework for threat analysis.

CI/CD Engineer to design, develop, and maintain CI/CD pipelines using Jenkins for embedded software projects. Responsibilities include developing automation scripts, integrating testing frameworks, and troubleshooting pipeline issues. Requires experience with Python, Conan, CMake, Docker, and Groovy.