Omschrijving

Freelance Data Engineer with 3+ years of hands-on experience designing and scaling modern, cost-efficient cloud data solutions. Led key initiatives in data pipeline development, cloud optimization (AWS, Athena, Airflow), and event-driven architectures. Delivered production-ready systems by translating complex business needs into scalable, maintainable data workflows using cloud technologies. Strong focus on data automation, data transformation, and data tooling to support analytics, operations, and product teams. Proven ability to drive data engineering efforts end-to-end, from architecture to deployment, across business critical domains.

Talen

Duits
Tweetalig / moedertaal
Engels
Vloeiend

Voorkeuren voor werkplek

Uitsluitend remote

Werkt voornamelijk remote

Xentral ERP Software
Senior Data Engineer
april 2024 - Vandaag (2 jaren en 2 maanden)
· Took full ownership of Xentral’s internal BI backend, covering data domains like finance, RevOps, and operations; managed the supporting infrastructure using Terraform.

· Cut costs by 25% and boosted performance by migrating ETL pipelines from Glue to Athena and ECS.

· Co-led the adoption of Apache Airflow, data quality tests, and Iceberg tables, reducing data quality issues to zero.

· Designed and launched Xentral’s first event-driven data pipelines, enabling sub-minute updates for key metrics.

· Developed and maintained services in Go, including a production-grade exchange rate service documented with OpenAPI.

· Designed the data products powering 20+ internal dashboards, working closely with Looker users to align with business needs.

· Set up centralized data cataloging via a custom metadata repository, syncing documentation to Confluence, AWS Glue, and Looker for internal and in-product data visibility.

· Modernized internal tooling and workflows, enabling the company to scale operations with minimal overhead.

· Automated marketplace listings, including direct wholesaler-to-consumer offers, eliminating manual listing work entirely.
Python SQL Airflow Data Engineering AWS
Xentral ERP Software
Data Engineer
mei 2022 - april 2024 (1 jaar en 11 maanden)
· Built and maintained ETL pipelines using Glue Workflows, supporting 100+ internal users.

· Collaborated closely with business and product teams to shape pipelines and models around real needs.

· Led the migration from internal subscription systems to Chargebee, enabling scalable and auditable billing.

· Launched foundational infrastructure and processes across business domains including Finance, RevOps, and Operations.

· Drove early adoption of scalable cloud data tooling, laying the groundwork for later performance gains and automation.
Python AWS Data Engineering Data Pipeline SQL
Lotusicafe
Full Stack Developer & Data Scientist
oktober 2021 - april 2022 (6 maanden)
Berlin, Germany
· Designed and built a custom ERP system from scratch using Flask, HTML, CSS, and JavaScript.

· Designed a dynamic pricing engine integrated with multiple marketplace APIs, increasing pricing accuracy and reducing daily manual adjustments by over 95%.

· Automated stock synchronization and order ingestion from 5+ wholesalers, cutting fulfillment delays and order processing time from several hours to <10 minutes.

· Modernized internal tooling and workflows, including full automation of marketplace listings enabling direct wholesaler-to-consumer offers and eliminating manual effort.
Python API SQL flask Fullstack