Developer

Role name:

Developer

Type:

Contract

Location:

Gdynia, Poland

Job Description:

Backend Developer with strong experience in PySpark, Python, and Microsoft Azure, responsible for developing scalable data processing solutions, managing Spark workloads, and supporting cloud-based backend development.

Must-Have Skills & Experience

Cloud & Platforms

Experience working with Microsoft Azure Cloud Platform

Hands-on experience with Microsoft Fabric Platform

Experience creating and managing Fabric Spark Jobs

Programming & Development

Strong Python programming (Notebook development)

PySpark programming experience

Spark programming (Batch & Streaming processing)

Java programming with solid OOP concepts

Data & Database

Knowledge of Relational Databases and NoSQL Databases

Experience with Delta Table optimization

DevOps & Tools

Experience with GitLab

Python Unit Testing

Exposure to CI/CD pipelines

Other Technical Skills

Strong troubleshooting and debugging skills

Familiarity with Agile methodologies

Communication

Good English communication skills (listening & speaking)

Ability to discuss requirements, development tasks, and technical issues effectively

Good to Have / Preferred Skills

Spark application performance tuning

Knowledge of Docker

Knowledge of Kubernetes