The job, in the employer's words
DATAGROUP Polska Sp. z o.o. is looking for a skilled Python and PostgreSQL Developer to support our ongoing technology refresh and migration initiatives. This is a mid-level position offering remote flexibility and the opportunity to work on forward-looking IT projects that involve modernizing legacy systems and migrating to cloud and open-source platforms.
- Design and implement Python components for the ETL process.
- Contribute to the migration from Oracle to PostgreSQL.
- Collaborate with cross-functional teams on application modernisation and cloud migration efforts.
- Ensure code quality, performance, and maintainability throughout the development lifecycle.
We are looking for a motivated young professional with a passion for Python development and a keen interest in IT. The ideal candidate should possess the following skills and qualifications:
- Good knowledge and several years of practical experience in Python development
- Solid skills in Postgres and SQL
- ETL experience is desirable
- Strong analytical skills, a solution-oriented mindset, and the ability to work independently
- Experience in conceptual work
- Excellent understanding of data
- Independent and structured working style
- Very good command of English, both spoken and written
- Migrate ETL pipelines from IBM Datastage and Oracle using Python to extract data from various sources, transform it according to business rules, and load it into PostgreSQL databases.
- Collaborate with data architects and stakeholders to understand data requirements, model data flows, and define transformation logic.
- Implement efficient SQL queries, stored procedures, and functions in PostgreSQL to support data integration and reporting needs.
- Optimize ETL processes for performance, scalability, and resource usage, including query tuning in PostgreSQL.
- Build and maintain data validation and quality checks, including automated tests, reconciliation scripts, and alerting for data anomalies.
- Monitor ETL jobs and database health, diagnose failures or performance issues, and implement fixes or improvements.
- Document ETL processes, data dictionaries, lineage, and operational runbooks to ensure maintainability and team knowledge transfer.
- Troubleshoot cross-system data issues, participate in incident response, and provide root cause analysis and remediation plans.
- Participate in code reviews, mentor junior developers, and contribute to improving team standards and best practices.
At DATAGROUP Polska Sp. z o.o., we value our employees and offer a comprehensive benefits package to support your professional and personal growth:
- Flexible working hours and remote work options (Poland only).
- Open and cooperative corporate culture and a trusting working atmosphere
- Flat Hierarchies and Short Decision Paths
- Individual training opportunities and interesting technical challenges
- Social benefits
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