Data Engineer (Medior)

Data Engineer (Medior) - 10 Months - BrusselsBelgium

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Intro

Step into a pivotal freelance opportunity with RELYzIT Talent, where your expertise as a Data Engineer will directly shape the future of data-driven government services. Join a mission-driven team, leveraging cutting-edge AI and analytics to empower smarter, faster, and more transparent public sector solutions. This is your chance to build with purpose, surrounded by elite peers and backed by the VECTOR7™ Signal Stack vetting process.

Why This Role Matters (Mission & Outcomes)

Our client is on a journey to revolutionize public service delivery through a new AI & Data Analytics Platform. As a Data Engineer, you will be instrumental in developing ready-to-use AI and analytical building blocks, enabling users to extract actionable insights from data with unprecedented speed and ease. Your work will lay the foundation for proactive, high-quality, and efficient digital services, driving real impact for millions. By exploring and validating new data and AI technologies in agile, multidisciplinary teams, you will help accelerate innovation and ensure that only the most promising solutions are scaled.

About the Role

As a Data Engineer & DevOps Expert within the Data Platform department, you will architect, implement, and maintain scalable data processing solutions that power AI-driven projects. You will optimize data pipeline lifecycles, ensure data consistency and reliability, and collaborate closely with the AI & Analytics subteam. This freelance position is based in Brussels, Belgium, with a project duration of 10 months. You will be part of a central team, working in short, high-impact iterations to rapidly test hypotheses and demonstrate value.

Key Responsibilities

• Design, develop, and maintain robust data pipelines and ETL processes for the AI & Data Analytics Platform


• Implement scalable data processing solutions using Databricks, Spark, or PySpark


• Connect diverse data sources (databases, APIs, etc.) to the platform, leveraging standardized building blocks


• Ensure data quality, consistency, and reliability across all stages of the data lifecycle


• Collaborate with multidisciplinary teams to explore and validate new data and AI technologies in short, agile iterations


• Optimize and manage the lifecycle of data pipelines, from ingestion to transformation and delivery


• Design and implement data lake solutions (Azure Data Lake or Delta Lake) to support advanced analytics


• Utilize ETL tools around Databricks to build reliable and scalable data pipelines


• Implement Infrastructure as Code (IaC) using Terraform and/or Pulumi


• Work closely with the AI & Analytics subteam to deliver data-driven insights and support AI project needs


• Maintain comprehensive documentation and ensure compliance with security and privacy standards

Technical Skills & Experience

• Demonstrable experience as a Data Engineer (Mid-level)


• Proven expertise with programming languages such as Python, Java, or Scala for developing data streams and ETL processes


• Hands-on experience with Databricks (Must have)


• Strong background in designing and implementing Extract, Transform, Load (ETL) processes


• Experience with data lake solutions (Azure Data Lake or Delta Lake)


• Solid understanding of databases and database management


• Experience with DBT (Data Build Tool)


• Proficiency with ETL tools around Databricks for building scalable pipelines


• Experience connecting data sources (databases, APIs, etc.) to analytics platforms


• Experience implementing Infrastructure as Code (IaC) with Terraform and/or Pulumi


• Experience with REST APIs


• Experience with Spark or PySpark for processing large datasets

Language Proficiency

• Fluent Dutch speaker at European CEFR - level C2 (Must have)

Other Requirements

• Signed NDA document to be uploaded (Must have)


• Demonstrable experience working in agile, multidisciplinary teams


• Strong ownership mindset, proactive problem-solving skills, and a drive for impact


• Ability to thrive in fast-paced, iterative environments focused on rapid hypothesis testing and validation

Why Join RELYzIT Talent?

• Be part of a builder-first community, not a recruiter-first agency


• Gain a lifelong credential through VECTOR7™'s multi-signal evaluation


• Work alongside elite tech talent on projects that matter


• Shape the future of digital government and public services


• Enjoy the flexibility and autonomy of a freelance contract