Hire Data Cleaning Experts
Sheldon Linker
Dr. Linker has been doing consulting and contract programming for decades. He has specialized in database work since 1978. His doctoral work involved AI and knowledge bases. He is also adept at programming servers, client systems, desktop systems, embedded systems, and a number of other types of systems. Sheldon has served in a database, programming, business analyst, and project management capacity. He currently teaches the latter two at the University of Maryland online.
Show MoreVipen Koul
Vipen is a highly experienced database warehouse, development, and performance professional with comprehensive knowledge of OLAP and OLTP databases. Vipen has worked as a data architect, data modeler, ETL developer, database developer, and data analyzer utilizing Vertica, Teradata, Netezza, Oracle, and SQL Server, as well as Snowflake and Python.
Show MoreDan Diamond
Dan is the director of management information systems at a mental health center of 500 employees, overseeing the organization's data warehousing, data analysis, and BI resources. He specializes in engineering data pipelines with Alteryx, Python, PHP, and BI tools. Dan implemented predictive analytics systems using Python and R in the areas of employee sentiment, patient outcomes, and crisis intervention.
Show MoreIsrael Guzman
Isra is a cybersecurity architect and threat intelligence lead with over 23 years of experience. He specializes in designing resilient defenses and delivering actionable intelligence to governments, global enterprises, healthcare organizations, and financial institutions. Isra's expertise lies in transforming complex cyber risks into strategic advantages, bridging the gap between robust security architecture and decisive executive strategy.
Show MoreMatthew Alhonte
Matt has worked as a machine learning engineer, data engineer, and data scientist for over 10 years, and has worked at the intersection of stats and programming for closer to 20 (before the term data scientist had caught on). He combines strong technical skills in deploying production data pipelines, ML model training, and inference pipelines with a rigorous background in experiment design and statistical inference.
Show MoreBrenda Oliveira Ramires
Brenda is a skilled data scientist with a background in computer engineering, specializing in optimizing processes within the retail and consumer goods sectors. With extensive machine learning and data science expertise, she focuses on researching and implementing strategies to optimize retail assortment and pricing. As a remote freelance developer, Brenda excels at crafting and delivering sophisticated data-driven solutions and machine learning models that drive impactful results.
Show MoreJhony Chu
Jhony is a data analytics specialist with 10+ years of experience leading end-to-end analytics projects, including data project planning, source integration, data extraction and ingestion, data cleaning and transformation, and dashboarding/visualization in cloud environments.
Show MoreTamara Sente
Tamara is a senior data engineer with 10 years of experience, and an expert in Databricks, PySpark, and multi-cloud data platforms across fintech, security and intelligence, and AI domains. She's delivered 2TB zero-downtime migrations, 30% BigQuery cost reductions, and 7-hour to under 2-hour reporting latency improvements. A technical lead with a track record in engineering standards and mentoring teams, she builds scalable ETL/ELT, medallion architectures, CDC streaming, and LLM/RAG pipelines.
Show MoreYahia Mahmoud
Yahia is an experienced data analyst and web scraper with 4 years of experience. He has focused on cleaning tasks, building scraping scripts, and analyzing data for companies in Germany, Canada, and Egypt. Yahia specializes in data analysis, Python, Selenium, Beautiful Soup, Microsoft Excel, SQL, and MongoDB.
Show MoreAlexei Vasilkov
Alexei is a Python back-end developer with over five years of experience as a freelance developer, specializing in building scrapers and distributed crawlers, designing databases, and integrating and creating APIs. With a passion for data gathering, data analysis, and machine learning, Alexei enjoys projects that rely on complex, data-driven logic and require a new and creative solution that might not have existed before.
Show MoreArsine Sarikyan, PhD
Arsine is a creative and scientifically rigorous data scientist with over three years of experience. Her experience includes designing experimentation processes such as data collection, robustness checks, and explainability, developing ML and AI strategies, and conducting NLP research. She specializes in causal analytics to answer the why question and find hidden patterns and relationships. Arsine contributes to the research community by writing and publishing academic papers.
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