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September 9, 2026

Machine Learning Engineer - Allegro Pay

Mid • On-site

Warsaw, Poland

Quick Facts

Machine Learning Engineer

Description

As a Machine Learning Engineer, you will be responsible for the machine learning/data platform and support Data Scientists in building machine learning models, enabling their shipping to production, and ensuring their high availability and performance.

Responsibilities

  • Develop a modern MLOps ecosystem aimed at automating the process of building and deploying machine learning models
  • Design and implement a modern platform for training predictive models (classifiers, deep neural networks, graph models)
  • Deploy models to production and optimize deployment pipelines to enable Data Scientists’ self-service
  • Manage, monitor, and recalibrate models deployed to production
  • Support work on a Feature Store providing predictors for models operating in production
  • Build connectors with a FinTech AI platform to enable agentic workflows interacting with models and features

Requirements

  • Degree in Computer Science, Mathematics, or another technical major
  • At least 2 years of experience building ML-driven solutions
  • Fluency in Python; know MLE toolchain libraries (scikit-learn, PyTorch, Pandas, FastAPI/Flask)
  • Comfortable with AI assisted programming tools (Opencode, Codex, Claude)
  • Experience with modern Python-based orchestration tools (Airflow, Dagster)
  • Good analytical skills and knowledge of SQL
  • Know and apply DevOps principles
  • Practical understanding of statistical and machine learning methods (decision trees, neural networks)
  • Ability to make independent decisions and take ownership of created code
  • Nice-to-have: Experience with the .NET ecosystem
  • Nice-to-have: Knowledge of cloud-based MLOps tools (AzureML, Google Vertex AI, AWS Sagemaker)
  • Nice-to-have: Knowledge of dbt

Benefits

  • Flexible working hours in a hybrid model (4/1), with 30 days of occasional remote work
  • Annual bonus based on performance and company results (up to 10% of gross annual salary)
  • Well-located offices and excellent work tools
  • Cafeteria plan fringe benefits (e.g., medical, sports, lunch packages, insurance, purchase vouchers)
  • English classes paid for related to the job
  • Training budget, internal learning platform, and other learning activities
  • Additional day off for volunteering
  • Social events

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