Sr. Data Engineer backend oriented Java/Python/Go, WARSZAWA

• 5+ years of backend or software engineering experience
• Experience building data pipelines (batch and streaming)
• Hands-on experience with AI/ML or generative AI in production environments
• Strong coding skills in Java, Python, or Go
• Experience with cloud platforms, Docker, and container orchestration
• Knowledge of CI/CD, testing, and infrastructure automation
• Strong SQL and data modelling skills
• Good communication and collaboration skills
• Eligibility to work in Poland (Warsaw office)
• High ethical standards

,[Build and maintain scalable backend systems supporting investment and AI-driven applications, owning them end-to-end, Develop batch and streaming data pipelines for ingestion, processing, and delivery across systems and models, Implement and integrate generative AI and LLM solutions, including APIs, embeddings, and production workflows, Design and maintain reliable microservices and APIs with a focus on performance, scalability, and security, Improve system stability through monitoring, observability, and performance optimisation, Collaborate with cross-functional teams to move solutions from prototype to production, Build and maintain CI/CD pipelines, automated testing, and deployment processes, Contribute to engineering best practices and support team capability growth, Ensure compliance with security and data governance standards] Requirements: AI, ML, GenAI, Java, Python, Go, Cloud platform, Docker, CI/CD, Testing, Infrastructure automation, SQL, Data modeling, Communication skills, Collaboration skills Additionally: Private healthcare, Sport subscription, Foreign languages classes, Life Insurance, Cafeteria system.