About Moustafa
What I deliver
I build reliable, scalable data platforms that turn raw data into clear, decision ready information. My work focuses on AWS, Snowflake, dbt to create systems that are easier to maintain, cheaper to run, and aligned with real business use cases.
Typical results
Clients get faster and more reliable reporting, cleaner and better structured data models, stronger data quality controls, and data pipelines that require less manual intervention. They also gain better visibility into costs, more trust in business metrics, and a platform foundation that can support analytics, automation, and future growth.
Services
Snowflake architecture and cost optimization, dbt project setup and transformation design, AWS based data pipeline development, data modeling, data quality implementation, performance tuning, cost reduction, ELT orchestration, and modernization of existing data stacks.
Tech Stack
Snowflake
dbt
AWS (Bedrock, S3, Lambda, ECS, Step Functions, Glue)
Python
SQL
Airflow
Github
Databricks
ELT pipeline design, CI/CD pipeline building, data modeling, data quality testing, semantic layer design, cost optimization.
English
Native or bilingual
German
Fluent
Arabic
Native or bilingual
Can work on-site
Berlin (up to 50km), Leipzig (up to 10km)
Experience
- Lancaster UniversityAdjunct LecturerOctober 2023 - Today (2 years and 9 months)Leipzig, GermanyGive on-site lectures for the "Foundations of Computing andProgramming" (Bachelor level) and "Computing Systems" (Masterlevel) courses.For these courses, the responsibilities also include:- Developing and preparing course materials and lectures.- Creating, distributing, and grading assignments.- Designing and grading exams.
- Multinational Media & Copyright EnterpriseSenior data engineerApril 2023 - August 2025 (2 years and 4 months)Berlin, Germany• Administer Snowflake, develop a data model, establish coding practices, and integrate with the CI/CD pipeline for efficiency.• Lead DBT's creation and upkeep, covering development environments and code quality, while training the team.• Designed and implemented scalable data extraction and quality testing services on AWS, leveraging Terraform to provision ECS, EC2, Lambda, and SQS for automated data ingestion into the data warehouse.• Direct CI/CD pipeline projects using GitHub, AWS, and Docker, focusing on code quality and smooth production transitions.• Participate in shaping the data engineering roadmap, aligning execution with stakeholder expectations and leadership directives.
- Ryte GmbHSenior Data EngineerOctober 2021 - February 2023 (1 year and 4 months)Munich, Germany• Single handedly revamped the DWH and established all related processes and tools (Snowflake, DBT, Airflow, Github, CI/CD).• Full ownership of the data engineering roadmap (vision, milestones, tasks) and responsibility for continuous implementation in accordance with stakeholders and departmental head.• Supervising the data engineering team members.• GDPR management, tools' costs reduction, interviewing potential data team members
Reviews
M
Marcin
Senior Product Manger - Valmet Tissue Converting S.p.A.
Several months project
-
Reviewed on 20/02/2026
Moustafa is a highly skilled and knowledgeable data engineer. He proactively suggests new solutions and improvements and goes the extra mile to implement them once aligned. He works autonomously, requires minimal supervision, and consistently delivers high-quality results. Communication with him is open, honest, and respectful.
Marketing
Marketing Schmiede
Reviewed on 10/09/2025
Moustafa did an excellent job on our project involving pipeline adjustments and SQL investigation.
He worked very quickly, was extremely friendly, reliable, and highly professional.
I can 100% recommend him!
Recommendations
Be the first to recommend Moustafa
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- MSc Computer Science (Big data and machine learning)Konstanz University2017Grade: 1.7
- BSc Computer ScienceAlexandria University, Faculty of Engineering2014
Certifications
- AWS Certified Solutions Architect AssociateAmazon Web services2024