Senior Data Engineer

The Contraste Europe Group builds strong relations with its clients. It offers a range of IT services such as: Advisory, Solutions, Applications and Infrastructure. The Group’s sector focus is with finance, utilities, public institutions and non-commercial organisations. We are operating on three countries located in Belgium, Luxemburg and France.

For one of our major clients in the financial sector, we are looking for a Senior Data Engineer.


Application Services


Data Analyst


English and French/Dutch





We offer

• A challenging position in a fast growing company with an international presence.
• A stimulating working environment with a really good team spirit maintained by lots of internal events (teambuilding, ...).
• A dynamic culture focused on personal development.
• A wide range of training and career development opportunities.

Your profile

Required skills:
• Experience with analysis and creation of data pipelines, data architecture, ETL/ELT development and with processing structured and unstructured data
• Proven experience with using data stored in RDBMSs and experience or good understanding of NoSQL databases
• Ability to write performant Scala code and SQL statements
• Ability to design with focus on solutions that are fit for purpose whilst keeping options open for future needs
• Ability to analyze data, identify issues (e.g. gaps, inconsistencies) and troubleshoot these
• Have a true agile mindset, capable and willing to take on tasks outside of her/his core competencies to help the team
• Experience in working with customers to identify and clarify requirements
• Strong verbal and written communication skills, good customer relationship skills
• Strong interest in the financial industry and related data

Will be considered as assets:
• Knowledge of Python and Spark
• Understanding of the Hadoop ecosystem including Hadoop file formats like Parquet and ORC
• Experience with open source technologies used in Data Analytics like Spark, Pig, Hive, HBase, Kafka, …
• Ability to write MapReduce & Spark jobs
• Knowledge of Cloudera
• Knowledge of IBM mainframe
• Knowledge of AGILE development methods such as SCRUM

Your role

• Identify the most appropriate data sources to use for a given purpose and understand their structures and contents, in collaboration with subject matter experts
• Extract structured and unstructured data from the source systems (relational databases, data warehouses, document repositories, file systems, …), prepare such data (cleanse, re-structure, aggregate, …) and load them onto Hadoop.
• Actively support the reporting teams in the data exploration and data preparation phases.
• Implement data quality controls and where data quality issues are detected, liaise with the data supplier for joint root cause analysis
• Be able to autonomously design data pipelines, develop them and prepare the launch activities
• Properly document your code, share and transfer your knowledge with the rest of the team to ensure a smooth transition into maintenance and support of production applications
• Liaise with IT infrastructure teams to address infrastructure issues and to ensure that the components and software used on the platform are all consistent