hr English-speaking jobs in Legionowo

Senior Software Engineer will design and operate data pipelines for simulation and real-world monitoring. Responsibilities include improving simulation accuracy, integrating ML models, and collaborating cross-functionally. Requires 5+ years of software engineering experience, proficiency in C++, Python, and SQL.

The Payment Specialist executes domestic and international payments, ensuring accuracy and timeliness. The role involves monitoring payment statuses, resolving issues, and collaborating with stakeholders. Requires a finance or accounting degree or relevant experience, proficiency in English and Polish, and experience with SAP and Microsoft Office.

Whizdom AI seeks a Founding Machine Learning Engineer to design, build, and improve ML systems for recommendations, personalization, retrieval, and GenAI workflows. You will turn product goals into concrete ML problems, experiments, and shipped features, working with behavioral, transactional, and unstructured data. This is an end-to-end role requiring strong Python skills, experience building and shipping ML systems, and a bias toward action.

Senior Depositary Analyst will perform, analyze, and monitor depositary control functions including cash flow monitoring, asset safekeeping, and oversight in accordance with AIFMD, UCITS, and local regulations.

Senior SW Security Architect to lead security architecture for the Elements product and drive an AI-first approach to core security practices.

Electrical Construction Manager to lead on-site electrical construction activities for power/energy projects. Requires a degree in Electrical Engineering and 10+ years' experience in EPC projects (CCGT, OCGT, substations, HV).

QA Engineer will plan and execute testing strategies, design test cases, and conduct software testing including automated, performance, and manual testing. Collaborate with developers to resolve issues and contribute to continuous improvement. Requires a Bachelor's degree in engineering or a related field and 3+ years of experience in a Senior Quality Assurance role. Proven experience in automated testing and knowledge of QA methodologies are essential. Experience with Power Systems and communication protocols is a plus.

Lufthansa seeks a Java Developer with Kotlin expertise for its Digital Hangar Department. Develop and maintain REST APIs, integrate with systems like Kafka and Redis, and troubleshoot issues in a distributed system. Collaborate in an international agile team, participate in code refactoring, and utilize Spring Framework and NoSQL/SQL databases.

Bridger Photonics seeks a Business Development Director to spearhead European expansion. This role involves market research, developing regional strategy, building sales pipelines, and managing operational setup. The ideal candidate has experience in international business development, B2B sales, and a deep understanding of European markets.

Electrical Engineer to design and implement electronic vehicle systems, focusing on control units and high-voltage power electronics. Develop schematics, analyze circuits, and perform verification testing. Requires 2+ years of experience, a Master's degree in Electrical Engineering, and knowledge of automotive electronics, Functional Safety (ISO 26262), and FMEDA.

Designs and implements cloud and on-premise cybersecurity solutions, ensuring compliance and identifying areas for improvement. Translates business requirements into technical solutions and oversees development teams. Requires 5+ years of experience in a similar role, expertise in cloud computing, and fluency in English.

Lead a team of 7 engineers developing an ingestion gateway for the ESET XDR platform. Design and review cloud architecture, mentor team members, and improve engineering practices. Solid AWS experience and experience leading a technical team required.

System Administrator needed for design, deployment, and troubleshooting of enterprise IT systems. Requires 5+ years of experience, advanced knowledge of Windows Server, Microsoft 365/Azure/Intune, Active Directory/LDAP, and virtualization technologies.

Build reliable backend services using Golang. Collaborate with engineers and stakeholders to translate requirements into technical designs and working software. Contribute to the full software development lifecycle.

Principal Engineer to define technical vision and architectural strategy for data products and AI platforms within WPP Open. Lead design and implementation of scalable, resilient, and performant distributed systems. Mentor senior engineers, drive best practices, and shape engineering culture.

C&F is a technology services company providing innovative solutions in Data Management, Big Data, Advanced Analytics and Compliance . With a highly integrated team of 400+ experts , for over 20 years C&F has been delivering superior engineering and premium operations to Fortune 500 companies, primarily in the Life Science industry.

Experienced Audio Video Conferencing Engineer to support and manage a modern digital workplace environment. Focus on enterprise-class AV conferencing solutions, including Cisco and Microsoft collaboration tools.

Design and implement a new data provider application using AWS S3 and Dataiku. Develop and maintain ETL processes for integrating tax-relevant data. Collaborate with stakeholders to support the migration from HOST to T24 (CBS-CH).

Design and develop front-end components for trading workflows using Svelte/SvelteKit. Write testable, maintainable code and contribute to continuous integration pipelines. Integrate UI components with back-end services and other trading systems.

Senior Frontend Engineer to define and evolve the architecture of a large-scale e-commerce platform. Lead technical discussions, build scalable UI components, and develop performant web applications. 8+ years of frontend development experience required, with strong React and JavaScript/TypeScript skills.