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Senior Spark Developer (m/f)

Hybrid

ARHS GroupLuxembourgPosted on 2 octobre 2026IT services company · freelance status to confirmView the original ad on the company's website

≈ 550 – 850 €/jSign up to apply

About this mission

ARHS Group, part of Accenture, is looking for a Senior Spark Developer to join one of our client teams onsite in Luxembourg within a European institutional environment.

In this role, you will contribute to the development and optimization of data solutions, working with Apache Spark, Microsoft Fabric, and Power BI to support data processing, analytics, and reporting needs.

Responsibilities

THE WORK:

  • Design, develop, and maintain data processing solutions using Apache Spark.
  • Build and optimize data pipelines for large-scale data processing and analytics.
  • Develop and maintain data solutions using Microsoft Fabric.
  • Support reporting and data visualization activities using Power BI.
  • Optimize data processing performance, reliability, and data quality.
  • Collaborate with data engineers, analysts, and business stakeholders to translate requirements into technical solutions.
  • Troubleshoot data and performance-related issues and contribute to continuous improvements.

Required profile

HERE’S WHAT YOU’LL NEED:

  • Strong professional experience with Apache Spark and large-scale data processing.
  • Experience with Microsoft Fabric and modern data platforms.
  • Good experience with Power BI and reporting solutions.
  • Strong knowledge of SQL and data modelling.
  • Experience designing and developing data pipelines.
  • Good understanding of data quality, performance optimization, and troubleshooting.
  • Strong analytical and problem-solving skills.
  • Fluency in English.

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

Conditions

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen collaboration.

Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

Key information

LocationLuxembourg
RemoteHybrid
Estimated daily rate≈ 550 – 850 €/j

Range estimated by our AI from the ad and the freelance rates published in Luxembourg: the company did not publish a rate. To be confirmed when you talk. This IT services company did not state the status; such companies usually accept freelancers. Apply in 1 click and we check with them.

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