hr English-speaking jobs in Legionowo

is looking for a Principal AI Engineer for a full-time position (40 hours per week) in Europe . Our client is a middle-market private equity firm that gathers information and reports to enhance environmental and social impacts on the customer’s business. We are seeking a visionary Principal AI Engineer to lead the development of the AI Platform.

Commissioning Technician to participate in international projects, diagnosing and solving technical problems, collaborating with engineering teams, and implementing solutions at customer sites.

Automation Test Engineer with 3+ years experience in creating frameworks using Java, Playwright, Python, Typescript, Cypher, Scala and API tooling. Expertise in Identity and Access Management (IAM), API testing, data ingestion and transformation, and event-driven architectures. Develops and executes test plans, test cases, and test data. Collaborates with stakeholders and technical leads.

Customer Success Manager / Key Account Manager needed for a backstage, operational role focused on merchant portfolio management within Fintech, Payments, or SaaS. Manage merchant relationships, build structured profiles, own analytics and reporting, and coordinate internal services. Requires 2-5+ years of experience in a similar role, strong understanding of client portfolio management, and fluency in Russian.

Senior Java Developer to build a next-generation trading platform for a Tier 1 investment bank. Experience with Azure, Kafka, microservices, and financial markets required. Full delivery lifecycle involvement.

We are developing advanced Big Data and Machine Learning solutions that enable near real-time processing and analysis of large data volumes. The infrastructure supports various business areas by providing critical insights for decision-making.

Senior DevOps Engineer needed to build a cloud-based key management solution. Responsibilities include analysis of backend service demands, deployment automation, product release control, and cloud infrastructure management. Expertise in Kubernetes, Docker, Linux, Terraform, OpenShift, networking, and Bash scripting is required. Fluent English communication skills are essential.

Lead and manage complex customer projects to ensure successful Egnyte platform deployment and adoption. Manage deliverables, risks, timelines, and communicate with customers and internal teams.

Staff Platform Engineer to drive the technical strategy and evolution of the core platform. Responsibilities include setting the architectural direction, mentoring engineers, and ensuring a secure, scalable platform experience. Requires deep expertise in distributed systems, cloud infrastructure (GCP and AWS), and microservices.

Event Marketing & Executive Coordinator supports the planning and execution of a global event program. Responsibilities include event logistics, budget management, travel arrangements, and providing administrative support to marketing leaders. Must have experience in event marketing, expense reconciliation, and strong organizational skills.

Resolve to Save Lives seeks an Applied AI/LLM Engineer Consultant to design, fine-tune, and deploy AI/ML systems based on pre-trained models for public health applications. Responsibilities include research, evaluation, and implementation of LLMs, fine-tuning models for specific tasks, and developing AI applications using Python.

As a User Acquisition Lead, you will design and execute user acquisition strategies for Homa's mobile games. You will manage paid UA budgets, analyze performance metrics, and build relationships with advertising partners.

Define and drive the architecture of a Global API Platform exposing 5G network capabilities. Design scalable, secure, and high-performance systems supporting next-generation 5G use cases.

The Associate Clinical Trial Liaison will develop relationships with investigators and research site staff to facilitate subject recruitment for pharmaceutical industry clinical trials. The role requires a Doctorate degree in a biological science or related field and fluency in English and the host country language. Travel up to 50% is required.

Senior Data Scientist will deliver end-to-end data science projects using machine learning and deep learning approaches. Collaborate with stakeholders to identify opportunities and translate them into data-driven solutions. Present analytical findings to technical and non-technical audiences. Support presales activities and contribute to the strategic development of the Data Science practice.

Translate business problems into ML/AI solutions and deliver models to production. Build and operate end-to-end ML systems, owning data pipelines, modeling, deployment, monitoring, and iteration. Combine software engineering fundamentals with practical machine learning expertise and MLOps experience.

The Senior Strategy Manager supports the development and execution of SoftServe's strategic initiatives. This role involves problem-solving, planning, and cross-functional coordination to translate strategic priorities into actionable outcomes. The Senior Strategy Manager collaborates with senior stakeholders to deliver high-impact projects that shape the company's long-term success.

We are seeking a highly skilled Node. js expert, who excels as a collaborative team member. The role goes beyond coding, encompassing responsibilities such as handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance. Customer Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies.

Join the Java Platform Engineering Team at a top N. American Bank Are you a Java engineer with a passion for DevOps? Do you love working with smart people on meaningful technology? Want to work in capital markets on and build modern low-latency trading systems? If so, read on.

The Senior AP Operations Lead oversees and drives operational excellence across regional and global Invoice-to-Pay processes. This role manages relationships with internal and external partners, ensuring accuracy, compliance, and efficiency in all Invoice to Pay operations. The position supports transformation initiatives, process standardization, and the deployment of new technologies.