Freelance Data Integrator (cloud & data engineering)

Freelance Opportunity: Senior / Medior Data Integrator (Cloud & Data Engineering)We’re looking for an experienced Data Integrator to support a large-scale data and cloud transformation program. The consultant will contribute to the design, development, and maintenance of end-to-end data solutions that power analytics, business intelligence, and advanced data initiatives such as machine learning.About the RoleAs a Data Integrator, you’ll work on designing and implementing robust ETL and data pipeline solutions. You’ll translate complex business requirements into scalable physical data models and ensure data is accurate, secure, and efficiently processed across the organization. This mission combines both on-premise and cloud data environments (AWS / Azure).Key ResponsibilitiesDesign, build, and maintain physical and logical data models, data marts, and data pipelines.Develop, test, and optimize ETL processes to integrate diverse data sources into data warehouses and lakes.Ensure performance, scalability, and data quality across platforms.Contribute to the definition and application of standards, tools, and best practices in data engineering.Participate in system integration, quality assurance, and performance testing.Monitor, troubleshoot, and continuously improve existing data workflows.Document processes, data flows, and technical procedures.Collaborate with cross-functional teams to deliver business-driven data solutions.Contribute to knowledge sharing and team development.Technical SkillsMust-have:+3 years of experience as a Data Engineer or Data Integrator.Strong experience in ETL development (e.g., DataStage or similar).Excellent SQL skills, including query optimization and stored procedures.Experience with relational databases (DB2, Netezza, or equivalent).Hands-on experience with cloud environments (AWS and/or Azure).Good understanding of data orchestration/scheduling tools (Airflow, TWS, or equivalent).Knowledge of Python, UNIX scripting, and CI/CD principles.Familiarity with data modeling (Data Vault, star-schema, dimensional modeling).Agile mindset and experience with collaboration tools (JIRA, Confluence, Bitbucket).Nice to have:Experience with NoSQL and Big Data environments (Spark, Hive, Hadoop ecosystem).Understanding of data science, AI/ML concepts, or data visualization tools (Tableau, Power BI).Knowledge of ITIL and testing methodologies.Cloud certifications such as AWS Solution Architect Associate, Azure AZ-104, or DP-203.Soft SkillsStrong analytical and problem-solving skills.Able to communicate technical concepts clearly to both technical and business audiences.Autonomous, proactive, and quality-focused.Capable of handling multiple priorities simultaneously.Customer-oriented and collaborative mindset.Other InformationContract: Freelance – 6 months (extension possible).Location: Hybrid – 2 days onsite per week (Brussels area).Languages: Fluent in English and fluent in one national language (french or dutch) with a good working command of the other one.