hr English-speaking jobs in Legionowo

Senior Network Engineer to support business network requirements in both project-based work and BAU operations. Troubleshoot, configure, and maintain network components (primarily Cisco and Arista). Collaborate with security teams to ensure network security best practices.

Senior / Lead UX/UI Web & Mobile Designer needed to shape user experience and visual direction of a workforce optimization platform. Will contribute to end-to-end design, create wireframes and prototypes, and evolve the design system. Requires 5+ years of experience designing for web and mobile SaaS platforms, proficiency in Figma and design systems, and experience with AI-powered design tools.

Senior Backend Engineer will build scalable solutions in a microservice architecture using Java and/or Kotlin. Responsibilities include technical discussions, collaborating with stakeholders, and ensuring scalability for future growth. Minimum 5+ years of backend development experience is required.

Developer Relations Engineer will build example DApps, create developer documentation, and support the Midnight blockchain community. Requires 3+ years of software development experience, strong communication skills, and fluency in Spanish and English.

Data/Business Analyst - Vice President will support the development and implementation of the Data and MI function within Transaction Trade Capture Risk Management. This role will establish robust data infrastructure, develop data analysis techniques, and generate actionable insights to enhance controls and identify emerging risks.

Provides HUMINT analyses and assessments in support of readiness, modernization, and innovation initiatives for Special Operations Command Europe (SOCEUR). Develops HUMINT collection, lead generation, and management strategies. Supports SOCEUR J2X mission requirements and complies with intelligence oversight practices and procedures. Conducts research, analyzes, and creates products/reports from multiple intelligence and operational sources.

Senior Full-Stack Engineer to develop and maintain scalable backend services using NestJS and TypeScript, including REST APIs and database interactions. Support frontend development with React and collaborate on UI integration. 7+ years of experience in Backend or Full-Stack development with a strong backend focus required.

Azure Data Engineer needed to design, architect, and implement modern, secure, cloud-native data platforms on Azure. Requires 8+ years of IT experience, deep Azure knowledge, and expertise in IaC, containerization, CI/CD, and Python. Experience with data processing and orchestration tools, testing, and security best practices is essential.

Software Application Developer will provide expert guidance to internal teams and customers on the effective use and integration of Danfoss electronic products. Responsibilities include advising on software and firmware updates, reviewing customer application setups, and providing recommendations on system design and product selection.

Frontend Web Engineers will join cross-functional teams to build core-banking technology. Responsibilities include representing the product team in release scheduling, collaborating with QA on testing, analyzing feature performance, and supporting customer issue resolution.

Senior Backend Engineer to develop scalable marketplace platforms and backend systems with AI/LLM integration. Lead development using Node.js, TypeScript, RESTful APIs, and microservices. Build RAG solutions, AI agents, and autonomous systems. Mentor junior developers. Requires 5+ years Node.js experience and 3+ years TypeScript experience. Expert-level JavaScript knowledge and understanding of Node.js frameworks. Strong experience with SQL and NoSQL databases. Practical experience building AI agents beyond ChatGPT. Willingness to learn Python for AI/ML integration. Working knowledge of front-end fundamentals. Proven technical leadership and mentoring experience.

Designs, builds, and maintains data infrastructure for financial data management. Develops and maintains ETL processes to integrate data from various sources. Ensures data quality, security, and compliance. Collaborates with business owners, data analysts, and engineers.

Lead the technical vision and strategy for a rapidly growing AI-powered game development startup. Manage and scale the engineering team, ensuring high quality and reliable software delivery. Collaborate with the CEO to translate business goals into technical execution.

We are seeking a Fullstack Software Engineer to develop a fullstack web application. Responsibilities include developing frontend components using Vue.js, building backend services in Python, and working with databases. The ideal candidate has 3 years of experience as a Software Engineer with strong JavaScript and Python skills, experience with frontend development, and a solid understanding of backend development and databases.

SAP HCM/SAP H4S4 Consultant with 3+ years of experience customizing and managing SAP HCM processes. Expertise in PA, PY, personnel cost planning, and integration with SAP Finance. Must have B2+ English and German proficiency.

Senior Machine Learning Engineer to design, deploy, and maintain scalable machine learning solutions in production environments. Responsibilities include implementing MLflow for model lifecycle management, optimizing ML pipelines, and collaborating with data scientists and engineers. Requires 8+ years of experience in machine learning engineering, proficiency in Python and frameworks like TensorFlow, PyTorch, and Scikit-learn, and experience with cloud platforms (AWS, Azure, or GCP).

Define and maintain the architectural vision for CluePoints' data layer, ensuring scalability and reliability. Design and optimize data acquisition, transformation, and storage pipelines. Collaborate with Product Managers, Lead Engineers, and Data Engineers to implement best practices.

Senior Data Analyst to interpret complex watch market data, generate actionable insights, and develop strategic recommendations. Expert-level proficiency in Tableau (or Power BI) and SQL required. Minimum 6 years of experience in a data-centric role.

Lead and grow a cross-functional team of software engineers delivering critical Fusion features. Partner with Product Management, Experience Design, Architects, and Technical Leads. Build a high-performance, collaborative engineering culture. Plan, track, and ensure execution against roadmaps, schedules, and budgets. Coach, mentor, and support engineers in their career development.

Product Analyst will deliver actionable recommendations to enhance products and drive business growth. Collaborate with stakeholders to generate insights and partner with the product team to refine experimentation processes. Must have experience interpreting data, SQL, Python, and Tableau.