ETL Developer, Python, PostgreSQL

Job not on LinkedIn

🔥 18 hours ago

🇵🇱 Poland – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

📊 Analytics Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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DATAGROUP

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1983

💼 Consulting

📣 Marketing

☁️ SaaS

Consulting • Marketing • SaaS

DATAGROUP is a leading provider of IT outsourcing and consulting services, offering a comprehensive range of solutions including cloud services, application management, and IT security. With a strong focus on customer satisfaction and standardized services, DATAGROUP ensures a seamless IT operation for companies by providing modular and customizable solutions such as the CORBOX. Based in Germany, the company's operations are certified for security and quality, making it a reliable partner for diverse industries, including finance and public sector.

📋 Description

• Design and implement Python components for ETL processes • Migrate ETL pipelines from IBM Datastage and Oracle to Python and PostgreSQL • 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 SQL queries, stored procedures, and functions in PostgreSQL • Optimize ETL processes for performance, scalability, and resource usage • Perform 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 and performance issues and implement fixes or improvements • Document ETL processes, data dictionaries, lineage, and operational runbooks • 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 improve team standards and best practices • Contribute to technology refresh, legacy-system modernization, and cloud and open-source platform migration initiatives

🎯 Requirements

• 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 • 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 • Experience with IBM Datastage and Oracle • Experience with data modeling, transformation logic, SQL queries, stored procedures, and PostgreSQL functions • Experience with query tuning and ETL process optimization • Experience building data validation and quality checks • Experience monitoring ETL jobs and database health • Experience documenting ETL processes, data dictionaries, lineage, and operational runbooks • Experience troubleshooting cross-system data issues and participating in incident response • Ability to participate in code reviews and mentor junior developers

🏖️ Benefits

• Flexible working hours • Remote work options (Poland only) • Open and cooperative corporate culture and a trusting working atmosphere • Flat Hierarchies and Short Decision Paths • Individual training opportunities • Interesting technical challenges • Social benefits