Senior Lead Data Engineer

7N Sp. z o. o.; Warszawa; Hybrid; PLN 260,000 - 350,000; Full time

Benefits offered by this job

Medical care

Life insurance

Sports card

Store discounts

Team events

Job summary

7N Sp. z o. o. is seeking a Senior Lead Data Engineer to own the data engineering domain within a BI-focused team and drive architecture, pipelines, and data models for reporting.

The role emphasizes taking ownership, proactive improvements, and collaboration with Power BI developers, architects and stakeholders to deliver robust data solutions.

Qualifications

• Strong data engineering experience with SQL and data modelling.
• Hands-on experience with Python or similar languages.
• Experience with Azure data services, ADF, and/or Airflow.
• Good understanding of Power BI and reporting environments.
• Strong problem-solving and troubleshooting skills.
• Ability to work independently and take ownership.
• Proactive mindset and technical leadership.

Responsibilities

• Take technical ownership of the data engineering area.
• Build and improve data pipelines, transformations, and data models.
• Identify technical gaps, risks, and improvement opportunities.
• Troubleshoot issues end to end, from source systems to reporting.
• Provide technical guidance to BI developers and team members.
• Collaborate with Power BI developers, architects, and stakeholders.

Skills

SQL & data modelling

Python

Independent ownership

Tools

Azure Data Services

ADF (Azure Data Factory)

Airflow

Power BI

Job description

For our client operating in the financial services industry, we are looking for a Senior Lead Data Engineer to work on enhancing data engineering capabilities within a team primarily composed of BI developers. The role involves taking ownership of the data engineering area, identifying gaps and risks, and proactively suggesting improvements.

Work Mode: Hybrid – 2 days in the Warsaw office

Job Responsibilities

• Take technical ownership of the data engineering area
• Build and improve data pipelines, transformations, and data models
• Identify technical gaps, risks, and improvement opportunities
• Troubleshoot issues end to end, from source systems to reporting
• Provide technical guidance to BI developers and team members
• Collaborate with Power BI developers, architects, and stakeholders

Expectations

• Strong data engineering experience, including SQL and data modelling
• Hands-on experience with Python or similar languages
• Experience with Azure data services, ADF, and/or Airflow
• Good understanding of Power BI and reporting environments
• Strong problem-solving and troubleshooting skills
• Ability to work independently and take ownership
• Proactive mindset, technical leadership, and strong communication skills

We Offer

• Ongoing support from a dedicated agent, taking care of your project continuity, client contact, necessary formalities, work comfort and development,
• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors,
• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle,
• Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres),
• Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients,
• Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years,
• A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad.

About 7N

Constantly searching for projects, difficult rate negotiations, lack of development support – sound familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives.

Our goal is to provide you with stable and comfortable cooperation, contributing to your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience in creating IT solutions for over 200 organizations.