hr English-speaking jobs in Legionowo

Design, develop, and deploy AI solutions, including machine learning models and algorithms. Lead the implementation of scalable AI products and integrate AI components into existing systems. Experience with agentic frameworks, ML frameworks, and cloud platforms (AWS preferred) is required.

Senior O2C E-invoicing Process Expert supports the LUCA Digital Finance O2C Stream, adapting business processes to e-invoicing requirements in SAP S/4 HANA. Collaborates with teams to gather requirements, ensure data mapping, and support testing. Acts as a first point of contact for process issues and coordinates defect resolution. Requires a degree in economics or equivalent, 3+ years of SAP O2C experience, and expertise in SAP S/4 HANA. Strong communication, coordination, and analytical skills are essential. Fluency in English is required. Willingness to travel 20-25% of the time.

Develop Python libraries, data pipelines, and tooling to process trading data. Design analytical frameworks and metrics to evaluate trading system performance. Collaborate with stakeholders to translate insights into improvements in trading execution. Support live trading systems through data validation, pipeline reliability, and monitoring. Analyze trading behavior to identify inefficiencies and improve latency and fill performance.

The Business Area Financial Controller, A2R ensures the delivery of accounting, controlling, compliance, financial, and tax reporting processes. This role oversees daily tasks of the assigned team, consults on tactical and strategic decisions, and collaborates with the Finance Team Manager.

Senior Invoice Verification Clerk required for processing invoices and resolving discrepancies. Fluency in German (B2/C1) and English (B2) is essential. Experience in accounting and proficiency in Office products (especially MS Excel) are required.

Design, build, and optimize high-availability, high-performance systems handling thousands of requests per minute. Work with a world-class, cloud-native environment using Kotlin, Spring, Kafka, and Kubernetes. Join an agile, autonomous team with full ownership of microservices from design to deployment. Tackle complex backend problems powering a massive, real-time marketplace.

Penetration tester to evaluate hardware, software, cloud, mobile, and OT solutions. Identify and exploit vulnerabilities to ensure product security before release. Collaborate with engineers to implement security-by-design.

The Identity Management Specialist will ensure secure and compliant operation of digital identities, user accounts, and access rights. Responsibilities include identity lifecycle management, implementing authentication methods and Conditional Access policies, resolving incidents, and supporting security and compliance standards.

Experienced Nutanix Engineer / Networking IT Support Engineer needed for freelance, on-call Break & Fix support of enterprise infrastructure. Requires strong Nutanix, networking, and troubleshooting skills, CCNA certification, and fluent English.

Design, develop, and implement Pega-based solutions for banking and insurance clients. Architect applications using enterprise-class design principles and the latest Pega architecture. Implement case management, flow design, data modeling, and rule resolution. Lead integration initiatives and collaborate with cross-functional teams.

Experienced Business Data Analyst to join a global team delivering data-driven solutions within the pharmaceutical and life sciences industry. Collaborate with stakeholders, data teams, and technology experts to shape solutions focused on data governance, consent management, compliance, and digital transformation.

The Product Configurator Analyst Manager acts as the Business Technology Services subject matter expert for the solution. This role assesses, implements, and tests changes and enhancements, while coordinating maintenance and upgrades. The role requires strong functional and technical expertise, problem-solving skills, and communication with both technical and non-technical stakeholders.

Senior Fullstack Developer with a backend focus will build and maintain MNO translation adapters using Node.js. Responsibilities include designing API contracts, contributing to the React management dashboard, and owning the CI/CD pipeline. Requires 5+ years of Node.js experience, React.js knowledge, and cloud native experience with Azure or AWS.

Logistics Billing Analyst will ensure accurate and timely freight payments. Responsibilities include identifying and resolving invoicing discrepancies, analyzing accounts payable and receivable, and collaborating with internal and external partners to improve processes.

Trade Analyst required to review and support complex OTC accounting entries, perform reconciliations, and analyze trade spend. Must have fluency in Spanish and/or Portuguese, strong English communication skills, and experience in trade finance.

Risk System Analyst - Technical Solution will translate credit risk strategies into system-ready rules and logic. Responsibilities include data analysis, solution design and testing, continuous improvement, problem solving, and collaboration. Requires SQL, relational databases, and experience implementing credit risk systems.

Design and implement complex low-level drivers using modern C++, integrate existing drivers, and review requirements, architecture, design, code, tests, and documentation. Experience with multi-core embedded systems and gtest and gmock for C++ unit testing is required.

Business/System Analyst needed for IoT projects. Translate business requirements into technical specifications for backend services and communication layers. Collaborate with developers, testers, and cloud engineers throughout the software development lifecycle. Document data flows, test scenarios, and process descriptions. Minimum 2 years of experience as a Business or System Analyst in IT projects required.

The Privacy Data Analyst reviews and processes privacy requests for clients, ensuring compliance with European Law Legislation. Requires fluency in Italian and English, strong attention to detail, and the ability to work in a fast-paced environment.

Responsible for the day-to-day operation and support of Windows-based infrastructure. Administer and maintain Windows Server environments, manage core services, and troubleshoot issues. Collaborate with other engineers to resolve issues, maintain core services, and support critical business environments.