Senior Machine Learning (Databricks)

Location: 100% Remote (Poland) Contract: B2B or UoP (via Nimbus Data Systems Poland) ABOUT ENTRADA AI Nimbus Data Systems is a specialized consulting partner and a strategic portfolio company of Databricks Ventures. This is a rare distinction: Databricks invested in us because of our technical excellence, placing us in the "inner circle" of the ecosystem. For our engineers, this means direct access to product roadmaps, private previews, and the teams building the platform. You will join a team of industry veterans and Databricks MVPs. We look for engineers who value clean architecture over quick fixes. We don't just maintain pipelines; we solve complex architectural challenges for Fortune 500 clients using features often before they are widely available. RESPONSIBILITIES Design and implement machine learning models and algorithms with Databricks, including predictive analytics, natural language processing, computer vision, and more. Lead the end-to-end development process, from data collection and preprocessing to model deployment and monitoring. Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions. Optimize and fine-tune models for performance, accuracy, and scalability in a production environment. Stay up-to-date with the latest advancements in machine learning and AI, and apply them to improve existing systems. Mentor and guide junior engineers and data scientists in best practices for machine learning and data engineering. Contribute to the development of machine learning infrastructure, including data pipelines, model serving frameworks, and monitoring tools. Collaborate with client stakeholders to drive solutions to solve business problems. QUALIFICATIONS Bachelor’s or Master’s degree in Computer Science, Data Science, Mathematics, or a related field; PhD is a plus. 5+ years of experience in machine learning engineering or related fields. 3+ years of experience with Databricks Proficiency in programming languages such as Python, R, or Java, with a strong understanding of machine learning libraries and frameworks (e.g., TensorFlow, PyTorch, scikit-learn). Experience with cloud platforms and MLOps tools, such as MLflow, for model deployment and monitoring. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills, with a track record of working effectively in cross-functional teams. THE OFFER Competitive Salary: 160 - 210 PLN / hour based on your experience and skills. Stable Employment: Contract signed with our Polish entity (Nimbus Data Systems Poland). We are open to both Employees (UoP) and Independent Contractors (B2B) for long-term cooperation. 100% Remote: Full flexibility to work from anywhere in Poland. Apple Hardware: Macbook Air M4 15" provided. Referral Bonus: Bonus for bringing other top-tier engineers to the team. Professional Growth: Databricks certification cost coverage. Opportunity to present at industry conferences (building your personal brand). Direct collaboration with Databricks MVPs and product teams. RECRUITMENT PROCESS Introductory Call (20 min): Short conversation with our Recruiter to discuss your background and expectations. Technical Interview (60 min): Deep dive into your technical skills with our engineering team. Optional Client Interview: Required only in specific cases. Decision & Offer: We aim to close the process efficiently.