Senior Machine Learning Engineer (Personalization)

About the Position

Senior Machine Learning Engineer (Personalization)

Senior • Remote

18,000 - 20,000 PLN/yr

Wrocław, Poland

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Join Limango Polska as a Senior Machine Learning Engineer (Personalization) to optimize campaign ranking and product recommender systems.

Responsibilities

• Build and deploy data-driven ML solutions for portal personalization and campaign ranking
• Own the end-to-end ML process (data quality checks, algorithm selection, feature engineering, validation with correct metrics, and interpretability)
• Monitor, maintain, scale, and update existing data/ML pipelines
• Implement solutions following best software practices (clean code, testing, automatic deployments)
• Collaborate with data engineers and developers to build ML/data infrastructure with reliable pipelines and clean shared data sources
• Explain and recommend ML approaches to business stakeholders and engineering teams
• Share and improve ML/MLOps knowledge across the organization

Requirements

• 3–5+ years of professional experience building, training, validating, and deploying ML solutions in production
• Very good knowledge of Python, SQL, and Git
• Experience training and validating ML solutions (decision trees, neural nets, regression models)
• Ability to scale solutions according to infrastructure or business needs
• Good understanding of data lake/lakehouse architecture
• Good English knowledge (C1)

We Offer

• Hybrid or remote work model with flexible start times
• Wellbeing platform, private medical care, and a Multisport card
• Learning & development through courses, podcasts, language learning, and international projects
• Office perks and activities (wellness and social events)
• Eco-focused initiatives

About the Company

Limango Polska is a leading company in the fintech industry, dedicated to providing innovative solutions for personalized marketing and customer engagement.