Hire Freelance Big Data Architects
Yuriy Margulis
Yuriy is a data specialist with over 15 years of experience in data warehousing, data engineering, feature engineering, big data, ETL/ELT, and business intelligence. As a big data architect and engineer, Yuriy specializes in AWS and Azure frameworks, Spark/PySpark, Databricks, Hive, Redshift, Snowflake, relational databases, tools like Fivetran, Airflow, DBT, Presto/Athena, and data DevOps frameworks and toolsets.
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Aldo Orozco
Aldo has over 12 years of experience as a software engineer, with eight years focused on data solutions. His broad expertise in embedded Linux systems, cloud infrastructure, site reliability engineering (SRE), and high-performance data architectures gives him the upper hand in dealing with complex systems. Throughout his career, Aldo has assumed multiple roles, including those of a developer, consultant, architect, and lead.
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Praveen Raju
Praveen is an experienced data engineer with eight years of experience designing scalable data solutions across various industries. He's proficient in big data technologies like Apache Spark, Hadoop, and AWS and specializes in data workflow development with Scala and Java. Skilled at Amazon RDS, Amazon S3 (AWS S3), EMR, Neptune, and Microsoft Power BI, Praveen reduces processing times and costs while enhancing business outcomes through Agile methodologies and DevOps practices.
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Daphne Liu
Daphne is a highly motivated big data analytic architect and SQL/Tableau developer with strong business analytic solution delivery skills and 20 years of progressively responsible OLTP/OLAP database development/architecture experience. She is a frequent seminar speaker and workshop trainer in business intelligence and analytic solutions. Daphne is experienced collaborating with business users in data modeling and business analytic solutions.
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Priyank Singh
Priyank is a Python database expert who pioneers experiences in database design, big data pipelines, data modeling, and real-time data ingestion. He migrated a legacy client to Azure SQL, increasing revenue by $10 million per year and streamlined the entire DW process of three countries to keep real-time tracking of financial transactions. Priyank excels with Databricks, data lake (EDL) integration, migrations, and cloud projects, enabling clients to realize complex data projects smoothly.
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Denis Volk
Denis is a senior full-stack AI engineer and data scientist with a PhD in mathematics and a specific focus on AI reliability and security. He's an expert in deploying modern generative AI in production end-to-end, and his skills include AI agents, ML, MLOps, big data, data analytics, and cloud infrastructure. Denis's previous industry experience spans probabilistic risk modeling, forecasting, computer vision, and team leadership across education, retail, manufacturing, and talent sourcing.
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