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I am a Senior Data Engineer with 8+ years of experience designing scalable distributed systems and leading data infrastructure projects. I specialize in Apache Flink, Spark, and cloud platforms such as AWS and Azure. I have a proven track record mentoring engineers and fostering technical excellence, and I am committed to building efficient, maintainable solutions that drive business value. Throughout my career I have led cross-team platform initiatives, extended Databricks and Terraform-based data infrastructures, designed GDPR-compliant pipelines, migrated orchestration from Airflow to Dagster, and built robust data platforms capable of supporting high-throughput production workloads while optimizing costs.…I am a Senior Data Engineer with 8+ years of experience designing scalable distributed systems and leading data infrastructure projects. I specialize in Apache Flink, Spark, and cloud platforms such as AWS and Azure. I have a proven track record mentoring engineers and fostering technical excellence, and I am committed to building efficient, maintainable solutions that drive business value. Throughout my career I have led cross-team platform initiatives, extended Databricks and Terraform-based data infrastructures, designed GDPR-compliant pipelines, migrated orchestration from Airflow to Dagster, and built robust data platforms capable of supporting high-throughput production workloads while optimizing costs.

Alexandru Vasiu

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I am a Senior Data Engineer with 8+ years of experience designing scalable distributed systems and leading data infrastructure projects. I specialize in Apache Flink, Spark, and cloud platforms such as AWS and Azure. I have a proven track record mentoring engineers and fostering technical excellence, and I am committed to building efficient, maintainable solutions that drive business value. Throughout my career I have led cross-team platform initiatives, extended Databricks and Terraform-based data infrastructures, designed GDPR-compliant pipelines, migrated orchestration from Airflow to Dagster, and built robust data platforms capable of supporting high-throughput production workloads while optimizing costs.…I am a Senior Data Engineer with 8+ years of experience designing scalable distributed systems and leading data infrastructure projects. I specialize in Apache Flink, Spark, and cloud platforms such as AWS and Azure. I have a proven track record mentoring engineers and fostering technical excellence, and I am committed to building efficient, maintainable solutions that drive business value. Throughout my career I have led cross-team platform initiatives, extended Databricks and Terraform-based data infrastructures, designed GDPR-compliant pipelines, migrated orchestration from Airflow to Dagster, and built robust data platforms capable of supporting high-throughput production workloads while optimizing costs.

Available to hire

I am a Senior Data Engineer with 8+ years of experience designing scalable distributed systems and leading data infrastructure projects. I specialize in Apache Flink, Spark, and cloud platforms such as AWS and Azure. I have a proven track record mentoring engineers and fostering technical excellence, and I am committed to building efficient, maintainable solutions that drive business value.

Throughout my career I have led cross-team platform initiatives, extended Databricks and Terraform-based data infrastructures, designed GDPR-compliant pipelines, migrated orchestration from Airflow to Dagster, and built robust data platforms capable of supporting high-throughput production workloads while optimizing costs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Data Engineer at Adevinta

June 1, 2025 - December 31, 2025

Led data platform infrastructure development and support across teams. Extended Databricks and Terraform-based data infrastructure with new features and integrations. Designed and implemented PySpark pipelines for GDPR compliance (data retention, extraction, and deletion from Unity Catalog). Maintained Scala Flink pipelines and a centralized template repository enabling teams to deploy PySpark, dbt, and notebook workflows consistently. Orchestrated workflows using Airflow.

Senior Data Engineer at Irys

March 1, 2023 - Present

Managed and improved Apache Spark pipelines (Scala) using Apache Iceberg for storage on AWS. Led orchestration migration from Airflow to Dagster, improving pipeline reliability and maintainability. Optimized data platform costs through infrastructure improvements and Terraform-based infrastructure-as-code practices. Built robust data platform infrastructure supporting high-throughput production workloads.

Senior Data Engineer at SITA

March 1, 2024 - June 30, 2025

Expanded Apache Flink data pipelines, migration of the Scala codebase to Java to improve accessibility and maintainability of the team. Managed Python-based data processing pipelines and conducted data analysis to discover new product features. Developed a proof-of-concept for a real-time data warehouse using Apache Paimon and Flink, demonstrating new architectural approaches for low-latency analytics.

(Senior) Software (Data) Engineer & MLOps at Bolt

June 1, 2021 - March 31, 2024

Drove significant cost reductions across data infrastructure and analytics platforms. Led enterprise migration from EMR to Databricks, reducing costs and improving developer experience. Spearheaded upgrade from Apache Spark 2 to Spark 3 across production pipelines. Supported the data science team with data pipelines for model training, testing infrastructure, and deployment support. Worked with Spark (Java, Scala) and PySpark depending on project requirements. Promoted to Senior in January 2023.

Software (Data) Engineer at ComplyAdvantage

November 1, 2019 - June 30, 2021

Developed production data pipelines using Apache Flink (Scala, 1M+ events/day) and Python/Celery on Kubernetes. Managed cloud infrastructure and DevOps responsibilities.