hr English-speaking jobs in Legionowo

Senior Frontend Engineer to build reusable design system components, frontend libraries, and frameworks for a SaaS platform used by 20,000+ daily business users.

We are looking to recruit Medical Writer to join sponsor team - 3 month contract 0. 5 FTE. The primary responsibility of the Medical Writer is to work with the Sponsor’s cross-functional teams to understand the nature of the scientific work being conducted. The MW will assess data and products using their expertise, and develop expertise in new areas as needed.

Do you want to be part of a dynamic team working on innovative solutions? Join us and become an energy changer in the industry! Your position In your new position as Solution Engineer, High Voltage in the Renewable Division, you will be a valuable member of the dedicated Product Line Management Team whose mission is to make Offshore Substations modular.

Senior Delivery Manager to build and manage delivery systems for Samsung Food. Shape planning, execution, and reporting processes across multiple teams. Drive accountability, create structure, and coach teams to improve delivery practices. 5+ years of experience in software or consumer tech delivery management required.

We are seeking ambitious entrepreneurs to build and scale startups in Humanoid Robotics. You will own your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Experienced Java Developer to migrate existing Java applications from Sybase to PostgreSQL and develop new cloud-native applications using Spring Boot, Kubernetes, and Kafka.

Join the Frisbii Team! We are looking for a motivated and skilled Data & AI Engineer with experience in Data and AI Engineering. This is a hands‑on role for a team with a history of data engineering, but more recently owning key elements of our agentic AI automation roadmap using technologies such as Snowflake, DBT, and AI tools on AWS Bedrock Agentcore.

Senior IT Operations Engineer will support and maintain a globally distributed workforce, ensuring IT infrastructure reliability and compliance with security standards. Responsibilities include device management, network maintenance, security incident response, and vendor coordination. Requires 4+ years of experience in IT operations, Google Workspace administration, and strong understanding of information security frameworks.

Ruby on Rails Engineer to handle and resolve client requests, investigate incidents, and collaborate with product and customer teams. Requires 5+ years of Ruby on Rails experience, strong debugging skills, and the ability to work across the full stack.

Remote | B2B Contract Role Overview We are looking for a Senior Java Engineer who will work across several internal services at the same time, shaping backend architecture, contributing to product decisions, and supporting multiple engineering teams.

Support project teams in delivering large infrastructure projects through construction monitoring and management services. Contribute to project planning, cost and budget reporting, and schedule monitoring. Provide support to the project management team and ensure smooth communication and information flow.

Full Stack Engineer to design, build, and maintain modern applications using Java (11/17/21) and ReactJS. Develop microservices, APIs, and modernize legacy systems. Experience with Kubernetes, Git, Unix/Linux, and databases required.

Full Stack .NET Engineer to maintain and improve Frontiers' publishing platform. Responsibilities include designing, developing, and maintaining scalable web applications using .NET and Vue.js, enhancing existing solutions, and collaborating with cross-functional teams. Requires 4+ years of .NET Core/Framework experience and 3+ years of hands-on experience with Vue.js.

Full-stack developer to analyze, refactor, and enhance a Carbon Capture Platform built with Node.js and React. Responsibilities include UI/UX improvements, backend API development, and integration with external data sources.

Mid-Level DevOps Engineer specializing in Cloud Automation and CI/CD. 3+ years of experience required, with expertise in Camunda, Docker, Kubernetes, Helm, and Jenkins. Fluent English and strong problem-solving skills needed.

Conversion Rate Optimization Manager to support the optimization of reverse lookup products. This role focuses on using AI-driven tools to improve user funnels and conversion rates. Responsibilities include designing and running experiments, analyzing results, and collaborating with engineers. Requires 1.5-3 years of CRO experience and a strong understanding of the CRO lifecycle.

Provides financial analysis and operational finance support for a business unit. Supports budgeting, forecasting, billing, and performance tracking. Prepares financial reports, analyzes variances, and tracks key performance indicators.

Create tailor-made logistics solutions for customers, ensuring smooth shipment processes and excellent customer experience. Manage the shipment lifecycle, coordinate with global teams, and advise on service improvements.

Metz is seeking a Spare Parts Specialist to develop and manage spare parts demand forecasts, oversee warehouse operations, and analyze data for cost control and supply-chain decision-making. The role involves PO order processing, material master data maintenance, inventory management, and accounting processing.

Leads the creation and execution of the long-term business strategy, including range, pricing, and performance. Designs product price quality ladders and develops promotions to achieve sales targets. Conducts competitor analysis and reviews sales forecasting and planning. Requires 5+ years of experience in category management, product category analysis, retail, or e-commerce.