hr English-speaking jobs in Legionowo

Principal Engineer to lead and mentor engineering teams, combining hands-on coding with high-level consultancy. Requires 9+ years of Python experience, expertise in Microservices, Distributed Systems, and API Design, and strong communication skills.

Senior SAP ABAP Developer needed for a global company. Design, implement, and optimize SAP S/4HANA and cloud systems. Troubleshoot application performance and mentor junior developers. Requires 4+ years of SAP ECC 6.0/S/4HANA experience and proficiency in ABAP, UI5, and cloud technologies. Strong communication and analytical skills are essential.

Senior Data Scientist will design, train, and evolve high-precision text classifiers for a specific data domain. Responsibilities include working with LLMs, active learning, and collaborating with Product Management and Engineering teams. Requires 5+ years of experience building and deploying classifiers, data science engineering skills, and experience with noisy, real-world text data.

Develop Java backend applications using Spring Boot 3 and design/maintain RDBMS systems. Build and maintain front-end applications using React 18+ and TypeScript. Contribute to cloud-native application development in Azure, preferably with Terraform.

QA Automation Engineer needed for a tech startup within a legacy airline. Requires 1-2 years of coding experience in C# or Ruby and a Masters/Bachelor Degree in Computing.

The ESG Analyst will conduct assessments covering Climate Risk, ESG, Reputational Risk, and future ESG-related risks for a portfolio of Corporate & Investment Banking clients. The role involves collecting data, evaluating client risk and opportunities, and providing insights to support credit decision-making.

Develop embedded software for ABB Excitation Systems in C++. Execute the full software development life cycle and collaborate with product and software development teams.

Senior 3D Character Artist specializing in creatures for a AAA game in a realistic fantasy setting. Create high-detail 3D creatures based on concept art, using ZBrush, Maya/Blender/3ds Max, Substance 3D Painter, and Marmoset Toolbag. Requires 5+ years of experience in the game industry with a portfolio featuring realistic creatures.

The Intelligent Process Automation (IPA) Business Analyst will partner with stakeholders to identify and assess automation opportunities, analyze and map business processes, and translate business needs into functional requirements for developers.

SAP FI/CO Consultant needed for a public sector entity's migration from SAP ECC to SAP S/4HANA. Configure and support FI/CO modules including FI-GL, FI-AP, FI-AR, FI-BL, and BP settings. Requires knowledge of SAP FI/CO configuration, experience with FI submodules, and end-to-end business process know-how.

Accounts Payable Specialist will process and manage AP transactions, including invoices, expense claims, and payment runs for Dentons UK and Middle East LLP. Responsibilities include vendor account creation, balance reconciliation, and assisting with month-end and year-end closing activities.

Senior Project Manager to support the maturation of Third-Party ICT Risk Management controls. Experience in process analysis, regulatory or risk-related programs, and stakeholder management required.

Design, develop, and test secure and scalable software solutions for cybersecurity products. Contribute to the full software development lifecycle within an Agile Scrum team.

Software Engineer will design, build, and operate core identity services for authentication, authorization, and user lifecycle management. Requires experience with identity protocols (SAML, OIDC, OAuth 2.0), authorization models (RBAC, ABAC), and programming in C++ or Go.

Senior Data/ML Engineer manages the lifecycle of machine learning models, from development to deployment and monitoring. Responsibilities include implementing MLOps principles, working with Spark & Python for data processing, and collaborating with data scientists, DevOps engineers, and IT. Requires proficiency in Python & Spark, AWS machine learning and data processing tools, and machine learning frameworks.

Lead frontend engineering at Umbrel, owning product surfaces in umbrelOS, apps, and the website. Develop polished, accessible interfaces using React + TypeScript, Tailwind, Shadcn, and Radix. Focus on user experience, including empty states, error handling, and microcopy. Collaborate with design, write clear code, and ship iteratively.

Forward-Deployed AI Engineer will design and implement AI solutions to combat financial crime. Responsibilities include user interaction, defining KPIs, developing decision flows, prototyping, and presenting findings to stakeholders. Requires a track record of delivering AI/ML solutions, problem-solving, communication, and proficiency in LLMs, ML, Python, and SQL.

Senior Frontend/Fullstack Developer with 4 years of experience needed. Design, develop, and deploy full-stack solutions using React and Python. Build scalable frontend applications, robust backend services, and APIs. Collaborate with cross-functional teams.

Senior Security Engineer will design and implement security frameworks for AI agents and LLM-powered tools. Responsibilities include embedding security into engineering workflows, protecting cloud and edge infrastructure, and enabling secure developer ecosystems.

Graduate Project Engineer for a two-year global program with four six-month rotations at international sites. Support engineering and operational projects, contribute to process improvement, and work with diverse teams. Must have a Master's degree in Engineering (Mechanical, Electrical, Civil, or related) and fluency in English and Polish.