hr English-speaking jobs in Legionowo

Revenue Operations Analyst will develop and implement revenue strategies, optimize processes, analyze sales data, and collaborate cross-functionally. Requires experience in sales, sales operations, or related fields, a business-related degree, and proficiency in Excel, Power BI, and SAP.

As a Senior Data Engineer on the Marketing Customer Profile team, you will design and scale the data layer for personalization and segmentation. You will integrate data sources, optimize Databricks infrastructure, and ensure data quality for personalized customer journeys. You will work with a cross-functional agile team, utilizing technologies like AWS, Kafka, PySpark, Kubernetes, and Databricks.

Senior DevOps Engineer will oversee cloud and on-premises infrastructure, automate operational workflows, and support deployment pipelines. Requires 8+ years of experience in IT operations, system administration, or DevOps with expertise in Linux/Unix, Windows servers, cloud platforms (AWS, Azure, or GCP), scripting languages (Bash, PowerShell, Python), and infrastructure-as-code solutions.

Build a production-grade agent runtime and multi-agent orchestration layer for drug discovery R&D. Develop agent templates, integrations, and orchestration graphs to accelerate research workflows. Maintain GCP environment and GitHub engineering foundations.

Design, build, and maintain backend services using NestJS, NodeJS, and TypeScript. Architect and scale headless advertising platforms and backend services for online marketing and retail media use cases. Collaborate with DevOps teams to manage infrastructure using Terraform, Helm, and GitLab CI/CD.

Developed communication and diplomacy skills are required in order to guide, influence and convince others, in particular colleagues in other areas and occasional external customers. Significant impact on the area through complex deliverables. Provides advice and counsel related to the technology or operations of the business.

Senior Data Engineer to design and implement data processing pipelines for a banking app. Responsibilities include data transformation, validation, and mapping, connecting with various data sources, and conducting testing and validation. Requires 3-5 years of ETL experience, strong collaboration skills, and advanced English.

Senior Manual QA Engineer will develop and execute manual test cases, identify and track defects, and collaborate with developers to ensure software quality.

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 Test Automation Developer will develop test scenarios and scripts for an IT security product. Responsibilities include creating test plans, identifying defects, and collaborating with developers. Requires 5+ years of test automation experience, C#, .NET, Microsoft SQL Server, Azure DevOps, Selenium, and Playwright.

QA Engineer will design and execute test cases, identify defects, and contribute to automated test suites using Selenium or similar frameworks. Collaborate with engineering, product delivery, and business analysis teams to ensure high-quality software delivery.

Data Engineer needed for international fuel industry project. Collaborate with teams to implement data standards and best practices. Analyze business processes and translate them into data requirements. 5+ years experience designing, developing, and maintaining data pipelines and workflows. Strong Databricks, Airflow, and Cloud Data Platform experience required.

Design and develop high-performance, scalable GoLang solutions for global e-commerce platforms. Collaborate with cross-functional teams to define, design, and ship new features. Troubleshoot technical issues and drive the adoption of best practices.

Senior AI Engineer will design and scale resilient AI solutions for a high-load fintech environment. Responsibilities include leading architectural reviews, establishing LLMOps and FinOps standards, and mentoring engineers. Requires 5+ years of experience in architecting and deploying production-grade AI/ML solutions, deep hands-on expertise with LLM orchestration and data frameworks, and strong MLOps and LLMOps pipeline experience.

Kronia® seeks a Frontend Software Engineer with 2+ years of experience building modern user interfaces using React and Web Components. Collaborate cross-functionally to deliver scalable frontend solutions for Turnitin's academic integrity platform. Implement features, write testable code, and participate in code reviews.

We are seeking a Middle+/Senior Node.js Developer to join our team and contribute to a fast-scaling B2C travel and telecommunication product. Responsibilities include integrating with third-party APIs, backend development direction, and implementing A/B tests.

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.

QA Engineer will test a web application based on user stories, perform exploratory testing, and automate test cases. Responsibilities include finding and reporting bugs, translating user stories into test cases, and working with development teams. Experience with SQL databases, testing methodologies, and bug identification is required.

Site Reliability Engineer to build and maintain an Azure/AKS-based cloud platform. Responsibilities include infrastructure development, platform automation, and supporting development teams. Requires 4+ years of Azure experience, Kubernetes/AKS expertise, and Infrastructure as Code (Terraform preferred).

Backend Developer to build and evolve a scalable music streaming platform. Design, implement, and maintain backend solutions using .NET/C#, RESTful APIs, and SQL/NoSQL databases. Collaborate with cross-functional teams in an agile environment.