Senior Data Engineer

Freelancer Opportunity

Job title: Data streaming engineer – Data streaming on Azure cloud & on-premises

Job location: Proximus Boreal, Brussels, Belgium

Job duration: 2026-11-01 to 2027-04-30

Job weekly hours: 40 hrs./week

Job language required: EN (mandatory), NL/FR (good to have)

Job salary range: 55 to 60 euros an hour

Job Function

As Data Engineer you will interact with the business and IT people (architects, functional analysts, project managers, data scientists, developers) and participate in the data transformation program. As part of this program, we are re-engineering our enterprise data platform and moving to an Azure Cloud technology stack.

In this re-engineering and migration, you will design and develop solutions for real-time data ingestion, processing and serving in a highly available environment. You will also be working on several generic frameworks e.g. framework for logging, for monitoring, …

Skills

You are an IT professional without & on-premises a minimum of five years of experience with proven experience in big data & data streaming engineering.

Mandatory:

• You have solid experience with the Azure Cloud platform, especially the data streaming management/processing products such as ADLS, Azure Functions, Event Hub (Kafka interface), etc.
• Experience in real-time processing frameworks is mandatory: Spark (Structured) Streaming, Kafka Streams or equivalent. Knowledge on Flink & Databricks structured streaming Real time mode is an advantage
• You have profound knowledge on Java and Python programming languages (Java is a must to have - Python is a huge advantage)
• Experience in NoSQL databases like Couchbase or equivalent
• You have experience with CI/CD (Git, Jenkins / GitHub CI, Nexus)

Definitely a plus:

• We have a Cloudera data platform; knowledge on how the platform operates and knowledge on products such as Kafka is a great advantage.
• Experience in Azure Kubernetes service are an advantage.
• You are a team player and have a strong troubleshooting/analytical mindset.
• You do not hesitate to propose improvements when you notice them.
• You have excellent communication skills, this as well with your technical peers as with your stakeholders.
• You are fluent in English, both spoken and written. Knowledge of Dutch and/or French is an advantage.
• You can work autonomously, you can cooperate effectively with different teams onsite and offshore, you are eager to learn new technologies, and you like sharing knowledge and documenting solutions with the right level of detail.

Apply now and start your journey with Team Possible! We want to get to know you.

After your application, we will verify your profile and get back to you within 3

working days.

If you’re successful, you can expect the following steps:

An initial conversation with our recruiter - Swati Kumari

Interview with the Hiring Manager and the team.

Final decision

About Proximus

We are Team Possible turning tech into opportunities.

We are driven by four core pillars: "I care," "I make a difference," "I radically simplify," and "I embrace the future". This means you'll join a team that genuinely cares for customers and colleagues, is empowered to make a real impact, strives to radically simplify complex challenges, and is always looking ahead to embrace the future of technology. We believe in an inclusive and safe environment where everyone can thrive, offering extensive career development resources, including access to over 5,000 training modules and a minimum of 5 days of training per year, to help you continuously learn, grow, and tackle bold challenges with us.