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I am a Principal Data Engineer with 9+ years of experience architecting and leading enterprise-grade data platforms in highly regulated industries like FinTech, Telco, and AdTech. I design scalable, cloud-native data infrastructures on GCP, AWS, and Snowflake, with a strong emphasis on governance, security, and compliance. I am a hands-on technical lead who grows high-performing teams (up to 12 engineers), contributes code, and translates product vision into platform capabilities. My focus is on modern data stack technologies (BigQuery, Snowflake, dbt, Airflow, Terraform) and driving operational excellence across complex enterprise environments.…I am a Principal Data Engineer with 9+ years of experience architecting and leading enterprise-grade data platforms in highly regulated industries like FinTech, Telco, and AdTech. I design scalable, cloud-native data infrastructures on GCP, AWS, and Snowflake, with a strong emphasis on governance, security, and compliance. I am a hands-on technical lead who grows high-performing teams (up to 12 engineers), contributes code, and translates product vision into platform capabilities. My focus is on modern data stack technologies (BigQuery, Snowflake, dbt, Airflow, Terraform) and driving operational excellence across complex enterprise environments.

Muhammad Osama

Data Scientist, Cloud Developer, Full Stack Developer, +3

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I am a Principal Data Engineer with 9+ years of experience architecting and leading enterprise-grade data platforms in highly regulated industries like FinTech, Telco, and AdTech. I design scalable, cloud-native data infrastructures on GCP, AWS, and Snowflake, with a strong emphasis on governance, security, and compliance. I am a hands-on technical lead who grows high-performing teams (up to 12 engineers), contributes code, and translates product vision into platform capabilities. My focus is on modern data stack technologies (BigQuery, Snowflake, dbt, Airflow, Terraform) and driving operational excellence across complex enterprise environments.…I am a Principal Data Engineer with 9+ years of experience architecting and leading enterprise-grade data platforms in highly regulated industries like FinTech, Telco, and AdTech. I design scalable, cloud-native data infrastructures on GCP, AWS, and Snowflake, with a strong emphasis on governance, security, and compliance. I am a hands-on technical lead who grows high-performing teams (up to 12 engineers), contributes code, and translates product vision into platform capabilities. My focus is on modern data stack technologies (BigQuery, Snowflake, dbt, Airflow, Terraform) and driving operational excellence across complex enterprise environments.

Available to hire

I am a Principal Data Engineer with 9+ years of experience architecting and leading enterprise-grade data platforms in highly regulated industries like FinTech, Telco, and AdTech. I design scalable, cloud-native data infrastructures on GCP, AWS, and Snowflake, with a strong emphasis on governance, security, and compliance.

I am a hands-on technical lead who grows high-performing teams (up to 12 engineers), contributes code, and translates product vision into platform capabilities. My focus is on modern data stack technologies (BigQuery, Snowflake, dbt, Airflow, Terraform) and driving operational excellence across complex enterprise environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

German

Intermediate

Work Experience

Solutions Architect at Addo AI

February 1, 2025 - Present

Led client-facing solution architecture as a Part-time Solutions Architect, directing 5 DataOps engineers. Aligned technical execution with business priorities via weekly syncs with operations and stakeholders. Led upgrade and re-architecture of analytical Vertica clusters (~800 TB data, 400+ entities) to improve performance, stability, and auditability, achieving 20-30% faster queries and downtime under 2 hours per maintenance. Developed fallback, backup, restore, and validation protocols ensuring zero data loss in multi-node failure scenarios. Bridged engineering and client delivery teams, owning each solution phase from design through rollout.

Senior Data Engineer at Ratepay GmbH

June 1, 2023 - October 1, 2024

Architected end-to-end Medallion-architecture data platform using dbt + Snowflake; implemented Data Vault 2.0 (Silver) and Kimball (Gold) across Transactions, Orders, Payments, Users. Embedded GDPR governance with PII masking and encryption at the Snowflake layer, enabling MaRisk and AML compliance. Orchestrated dbt DAGs via Airflow with 70+ data quality tests and 95.5% SLA via automated dashboards. Implemented ephemeral Snowflake schemas per PR via GitHub Actions for testing and drift detection. Collaborated with Product/BI to validate semantics and guide schema optimization, retiring legacy MS SQL Server infrastructure.

Senior Data Engineer at Axel Springer

October 1, 2022 - April 1, 2023

AdTech platform optimization with ontology-driven modeling. Refactored Spark pipelines reducing processing costs by 30% (~€70K/year) and runtime by 45%. Unified multi-source campaign data (XANDR, GAM, Adobe Analytics) enabling self-service analytics and ~30% ad ROI improvement. Designed ontology-driven data models improving cross-team discovery by 60% and reducing duplicates by 40%. Engineered self-optimizing orchestration with adaptive provisioning achieving ~20% better cluster utilization.

Principal Data Engineer at Addo AI

November 1, 2019 - August 1, 2022

Led end-to-end enterprise DWH migrations for a Telco client (45 total members), deploying 2 production Vertica clusters + Qlik Sense + Denodo; processed 7.2 PB with 4 TB/day ingestion from 35 sources; analyzed 72M 90-day active subscribers via 500+ dashboards. Achieved 34% OPEX reduction, 12.3% TCO drop, and ~$1.5M annual savings by retiring Teradata and SAP BO legacy infrastructure. Directed 2 squads (7 Data Engineers + 5 BI Analysts) delivering 400+ entities and 90-day OLAP analytics for 30M DAU; reduced BI query latency by 40% and DWH storage by 25%. Implemented CI/CD with Azure Pipelines; 98%+ pipeline success. Built OLAP cubes in Qlik Sense and Python SDK-based Qlik extension; trained 50+ client BI analysts.

Data Engineer at Ebryx

March 1, 2018 - October 1, 2019

Designed Airflow orchestration with dynamic EMR autoscaling reducing job failures by 85% and saving $30K/month. Built S3 medallion architecture with Lambda optimization improving ETL stability from 65% to 99.8%. Implemented automated schema evolution (Lambda + PostgreSQL RDS) ensuring 100% SLA. Delivered ~70% faster ETL with 40% lower costs (~$400K/year), onboarding 20 sources + 15 clients with zero infrastructure changes.

Software Engineer at AdMaxim Inc.

March 1, 2016 - December 1, 2017

Automated 10-node EC2 Spark cluster provisioning with Terraform (IaC), processing 1TB/day of RTB data into Apache Druid for real-time bidding, serving 50+ campaigns. Built S3 data lake with custom Spark parsers for geospatial joins, reducing scan volume by 60%. Developed Audience Builder and Footfall Analytics enabling GDPR-compliant attribution, contributing to $800K client wins. Implemented Jenkins CI/CD with automated tests and deployments to Artifactory + S3. Improved campaign win rate by 25%, stabilizing Spark as core AdTech processing framework.