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Senior Data Engineer / ML
  • Warsaw
Senior Data Engineer / ML
Warszawa, Warsaw, Masovian Voivodeship, Polska
B2B.NET S.A.
11. 10. 2025
Informacje o stanowisku

technologies-expected :


  • Python
  • Spark
  • S3
  • Glue
  • SageMaker
  • Lambda
  • AWS
  • SQL
  • Bitbucket
  • Git

technologies-optional :


  • TensorFlow
  • PyTorch

about-project :


  • We are looking for an MLOps/ML Engineer responsible for the end-to-end lifecycle of machine learning models - from development and deployment to automation and performance monitoring, leveraging AWS, Spark, and Python. The role includes building scalable, distributed data processing pipelines in a big data environment, collaborating with data scientists and analysts, and enhancing MLOps best practices across the organization. Experience in designing and deploying predictive and analytical models is a strong plus.

responsibilities :


  • Managed the lifecycle of machine learning models from development to deployment and monitoring, ensuring optimal performance and reliability.
  • Implemented MLOps principles, including continuous integration, continuous delivery, testing, and monitoring, to streamline machine learning operations.
  • Working with Spark & Python to define and maintain data ingestions and transformation, handling both real-time and batch data processing.
  • Building distributed and highly parallelized big data processing pipeline which process massive amount of data (both structured and unstructured data) in near real-time.
  • Leverage Spark to enrich and transform corporate data to enable searching, data visualization, and advanced analytics.
  • Collaborated with cross-functional teams, including data scientists, DevOps engineers, and IT, to deliver high-quality machine learning solutions.
  • Working closely with analysts and business stakeholders to develop analytics models.
  • Help in optimizing our current MLOps practices and libraries, make applicable for wider range of use cases outside propensity models.
  • Cloud solution exploration for AI/ML areas.

requirements-expected :


  • Proficiency in programming languages like Python & Spark - minimum 5 years.
  • Hands-on experience with AWS services for machine learning and data processing - particulary S3, Glue, SageMaker, Lambda and StepFunctions/Airflow/MWAA - covering data ingestion, model training, batch inference and automation pipelines.
  • Practical understanding of AWS Infrastracture setup and automation using AWS CLI, boto3 and IAM roles, ensuring reproducible and secure ML workflows.
  • Understanding of algorithms and data structures, knowledge of statistics and linear algebra.
  • Experience with machine learning frameworks (TensorFlow or PyTorch), including training new ML models, refining existing ones, and deploying these models into user-friendly applications.
  • Solid understanding of distributed systems with experience in Hadoop/Hive ecosystem and/or other Big Data Technologies.
  • Proficient in SQL (Spark/Hive SQL), previous experience in creating data flows.
  • Experience with BitBucket and GIT, code versioning and branching strategy.
  • Familiar with Agile/Safe framework.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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