hr English-speaking jobs in Legionowo

C++ or Golang Developer Intern to work on cloud native 5G product. Develop software architecture, code, and documentation. Must have student status, C++ or Golang knowledge, Linux familiarity, and intermediate English.

IT Support Engineer needed to provide desktop support and other services across the business. Responsibilities include responding to queries, troubleshooting problems, and resolving technical issues. Experience with Windows 11, MS Office 365, and remote support software is required.

QA Performance Engineer executes performance tests, identifies issues, analyzes bottlenecks, and contributes to process improvement. Requires competency in Java/Python, development processes, IT operations, and quality assurance.

Business Analyst to create analysis plans, conduct workshops, and manage requirements within projects. Requires a university degree in a related field, experience in business analysis, and knowledge of Agile/Scrum methodologies. Must be able to translate business and technical language and have strong communication and stakeholder management skills.

Senior Software Developer with 5+ years of experience in frontend or fullstack development. Focus on React development (80-90%) with some NestJS backend work (10-20%). Develop, refactor, and improve a modern React web application. Collaborate with a small team on technical decisions and product improvement. Strong React, TypeScript, and testing experience required.

Job Description We are looking for an experienced and results‑driven Customer Success Lead (CSL) to design and execute customer success strategies that enhance satisfaction, retention, and lifetime value. This role is key in transitioning Eurowag from a Customer Care to a Customer Success model, driving operational efficiency and aligning local teams with corporate goals.

Front-End Software Engineer to develop and maintain modern web applications using React, Vue, or Angular. Integrate applications with APIs, ensure high performance and security, and collaborate with teams to improve front-end standards.

Senior Python Backend Engineer to design, build, and deploy high-performance microservices for an AI evaluation platform. Requires 7+ years of experience building backend services, strong Python skills (3.10+), and expertise in data modeling, REST APIs, and distributed systems.

Senior Data Scientist to develop generative and predictive AI solutions for engineering and supply chain domains. Responsibilities include designing, deploying, and integrating AI models, focusing on text parsing, RAG, forecasting, and risk scoring. Requires 5+ years of experience in data science, strong Python skills, deep learning frameworks, NLP, and production-ready AI systems.

technologies-expected : SQL about-project : As a Technical Solutions Consultant, you will be responsible for the technical relationship of our largest advertising clients and/or product partners. You will lead cross-functional teams in Engineering, Sales and Product Management to leverage emerging technologies for our external clients/partners.

Iron Mountain seeks a Capex Financial Planning & Analysis (FP&A) Manager for a 6-month contract. The role involves leading the refresh of capitalized labor and interest methodologies, collaborating with accounting and FP&A teams, and ensuring compliance with organizational standards.

Manage the full product development lifecycle (P/SDLC) for an AI-powered platform used in the video and digital content industry. Lead a team, optimize processes, and deliver full-stack solutions.

Manage the launch and operations of a new heavy machinery branch. Responsibilities include administrative tasks, sales and service support, inventory management, and reporting. Requires experience in facility management, administration, logistics, or related fields.

Job Description Are you ready to make a meaningful impact in financial risk management? Join our Valuation Control Group, where your analytical skills and passion for innovation will help shape the future of valuation policy. You will have the opportunity to collaborate with senior leaders, develop advanced models, and contribute to regulatory initiatives.

Develop and deploy AI-powered features for real-time data streams, integrating LLM inference and building evaluation tooling. Design low-latency inference pipelines and solve constraints related to latency, scale, and cost.

Senior DevOps Engineer to design, implement, and maintain containerized platforms in secure, on-premises air-gapped environments. Requires expertise in Red Hat Linux, Docker, Kubernetes, and OpenShift.

The Learning Operations Manager will lead a team of Learning Operations Specialists, managing work distribution, auditing operational tasks, and ensuring high-quality service delivery for global learning programs. Responsibilities include planning and executing learning events, managing program pricing, and driving continuous improvement initiatives. The role requires strong project and operational management skills, experience managing global teams, and a Master's degree in a related field.

Senior Data Scientist ML Engineer designs, runs, and ships end-to-end machine learning experiments, translating customer problems into testable hypotheses and iterating on results. Requires 5 years of commercial data science experience with models in production environments, strong Python, PyTorch, and cloud ML platform experience.

Experienced International Key Account Manager to drive business growth across CIS markets for a leading FMCG food company. Manage key retail clients, develop sales strategies, and lead negotiations.

Senior Flutter Developer will design, develop, and maintain cross-platform applications for iOS, Android, and Web. Responsibilities include implementing PWAs, optimizing performance, integrating with backend services, and contributing to CI/CD pipelines. Requires 3+ years of Flutter experience, Dart knowledge, and experience with PWA development.