Mid-Level ETL Developer (m/f)

ARHS Group, part of Accenture, is recruiting a Mid-Level ETL Developer (m/f) .

In this role, you will work on-site at one of the leading EU institutions, contributing to large-scale data integration and data warehousing initiatives.

This position is ideal for a data professional who already has solid ETL experience and is ready to take more ownership in design, implementation, and optimization activities while collaborating with senior experts and stakeholders.

THE WORK:

• Actively participating in all stages of the data warehouse lifecycle, from analysis to implementation and maintenance.
• Designing and developing data models, data marts, and data warehouses aligned with business requirements.
• Taking ownership of ETL design, development, and enhancement activities.
• Performing capacity planning, performance tuning, and troubleshooting of ETL workflows.
• Conducting in-depth data analysis to ensure data quality, consistency, and optimal data modeling.
• Analyzing, reviewing, improving, and documenting existing and future ETL components.
• Contributing to architectural discussions and the continuous improvement of ETL and data warehousing solutions.
• Promoting and applying best practices for ETL development, documentation, and versioning.

Onsite at client site : This role requires an onsite presence with our clients and partners to support project delivery and strengthen client relationships. Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities.

HERE’S WHAT YOU’LL NEED:

• At least 3–5 years of proven experience in ETL development or data integration roles.
• Good working knowledge of Shell scripting .
• Solid experience with SAP Business Objects or similar reporting tools.
• Strong analytical and problem-solving skills, with the ability to work on complex data structures.
• Good understanding of reporting methods, data quality concepts, and data warehouse design principles.
• Ability to work independently while collaborating effectively within a team.
• Professional proficiency in English (written and oral).

BONUS POINTS IF YOU HAVE:

• Hands-on experience with DataStage .
• Proficiency in French .
• Experience working in large, structured environments (e.g. public sector or EU institutions).

As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.