hr English-speaking jobs in Legionowo

Software Engineering Tech Lead role requiring proven technical skills and leadership experience. Focus on building large-scale web or distributed infrastructure using Full-stack development. Drive critical projects and provide architectural direction.

Lead the design and development of complex technical solutions within RTB House's infrastructure. Coordinate a team of 3-4 engineers and collaborate with other teams to ensure reliable and scalable solutions.

Administer and maintain Oracle and PostgreSQL database environments. Responsibilities include installation, configuration, performance monitoring, backups, and high-availability solutions. Requires experience in complex enterprise environments.

Senior Data Platform Solution Architect to design and implement production data solutions on GCP. Requires expertise in BigQuery, Airflow, Python, SQL, and Terraform for scalable data pipelines.

Lead an Internal Kubernetes Platform Engineering Team. Focus on designing, automating, and managing containerization platforms at enterprise scale using Kubernetes, Linux, and scripting.

Senior Java Developer and Team Lead to guide engineering teams on enhancing and maintaining core platform components. Requires 7+ years of Java experience and 1+ year of team leadership, focusing on complex systems.

RVP, Sales Data Foundation leads and develops Enterprise and Commercial Account Executives for Eastern Europe & Mediterranean. Drives go-to-market strategy using Informatica and MuleSoft, engaging C-level clients. Requires proven sales leadership and fluency in English and Polish.

Develop and deploy fullstack Gen AI applications using Python, JavaScript/TypeScript, and frameworks like React/Next.js. Experience with LLMs, RAG, and connecting to GenAI APIs is required.

Senior Full Stack Product Engineer will design and own end-to-end business-critical product experiences. Responsibilities include building and shipping user-facing features, turning product goals into practical solutions, and improving usability, clarity, performance, and reliability. Strong experience shipping production web products, frontend ability with React and TypeScript, and backend ability are required.

Engineering Manager to lead an engineering domain, bridging technical expertise with commercial instincts. Responsibilities include roadmapping, team leadership, and technical strategy. Requires 5+ years in web applications and 2+ years in team management.

Sales Associate to support sales efforts in utility-scale PV and BESS projects. Responsibilities include tender support, customer correspondence in Polish and English, and preparing documentation. Requires strong organizational skills and communication.

Senior Data Engineer - Process Mining owns data engineering solutions, focusing on designing and improving process mining data architecture. Requires 7 years of experience, expertise in Celonis EMS, SQL, and Python, and defining engineering standards.

Lead design and delivery of Dynamics 365 and Power Platform solutions, integrating AI capabilities. Requires proficiency in C#, JavaScript/TypeScript, and experience with Azure integration services.

Lead C++ R&D Software Architect for performance-critical, real-time systems in Grid Automation. Focus on modern C++ (C++17/20), scalability, and secure design for power systems.

Product Expert owns the customer relationship from trial to renewal for US e-commerce businesses. This role combines product expertise with a commercial mindset, handling onboarding, support, and driving customer value.

Key Account Manager builds and maintains long-term relationships with big retailers outside Poland. Responsibilities include achieving sales goals, negotiating terms, and market monitoring. Requires 3+ years selling FMCG/fresh food in Italy or Scandinavia.

Senior Fullstack Developer to design and develop complex software solutions. Requires expertise in Python, FastAPI, and Next.js, plus experience with CI/CD and Azure. Knowledge of AI/ML concepts is key.

Senior Lead Data Software Engineer to build an ML-ready platform. Responsibilities include migrating data jobs to Azure Databricks, optimizing data workflows, and developing ETL/ELT pipelines using PySpark. Requires Python/Spark expertise and Azure Databricks experience.

Senior Snowflake Data Architect to design, architect, and optimize secure, scalable data solutions using Snowflake and Azure.

Build scalable cloud-native data platforms using Databricks, Spark, AWS, and Azure for fusion energy research. Requires 3+ years in Data Engineering with expertise in Python, SQL, and Delta Lake.