Contract
Sep. 3, 2026
Wroclaw, Krakow, Gdańsk, Warsaw, Poland
Python Backend / Machine Learning Engineer
JOB ID
PLPY2641
VISA STATUS
EU Workpermit Holders
REMOTE OPTION
100%
Job details:
- Role: Python Backend / Machine Learning Engineer
- Full-time
- TBC
- Start: 15/09/2026
- End: 31/12/2026
Scope:
- Design, develop, and maintain Python-based backend services and microservices
- Build and optimize data processing pipelines handling large-scale datasets
- Develop, integrate, and improve machine learning components within the application landscape
- Enhance ETL and ML backend solutions to improve performance, scalability, and maintainability
- Implement containerized solutions and deploy applications to Kubernetes/OpenShift environments
- Build and maintain CI/CD pipelines to support automated testing and deployment
- Collaborate on the development of advanced search, matching, and data discovery capabilities
- Optimize database interactions and backend performance for data-intensive applications
- Support the full software development lifecycle, including development, testing, deployment, and operations
Skills:
- Strong experience in Python development
- Hands-on experience designing and implementing Microservices architectures
- Expertise in containerization technologies and orchestration platforms:
- Kubernetes
- OpenShift / Container-as-a-Service (CaaS)
- Experience building scalable backend applications capable of processing large data volumes
- Knowledge of software development best practices, code quality, and performance optimization
Nice to have:
- Ansible
- Docker and/or Podman
- CI/CD pipelines (GitLab CI, Jenkins preferred)
- Bash scripting
- Experience with classical Machine Learning algorithms:
- XGBoost
- Bag of Words
- TF-IDF
- Data analysis and visualization using:
- SQL
- Seaborn
- Matplotlib
- Experience developing and enhancing ETL and Machine Learning backends
- Database experience with Oracle Database and/or Microsoft SQL Server
SNI sp. z o.o. will process personal data for the purpose of the recruitment process in accordance with Data Privacy Policy. The data may also be stored and processed for future recruitment purposes, in accordance with the given consent.
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