Senior Data Engineer/ML

Client: banking industry

Hourly Rate: up to 160 PLN + VAT

Location: Gdansk or Gdynia or Warsaw or Lodz, Poland

Work arrangement: hybrid, 2 days at the office per week, full-time

For our Client from banking industry we are looking for Senior Data Engineer/ML Engineer.

Detailed description of work task to be carried out:

• 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.

Key Competencies:

• 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.

Nice-to-have knowledge and experience:

• Design and implementation ML Models (e.g. Propensity, Customer Lifetime Value, Micro-segmentation, channel recommendation models), helping use case team(s) in training and deployments.

If you meet most of the requirements and are looking for your next challenge, we’d love to hear from you - feel free to apply below!