Cupertino, CA · On-site
$106K - $133K/yr
Experience with Data Cleaning and Validation * Advanced proficiency in Excel * Good to have experience working with large Data sets * Good to have- Familiarity with data visualization tools Tableau ...
Quick apply
Cupertino, CA · On-site
$106K - $133K/yr
Experience with Data Cleaning and Validation * Advanced proficiency in Excel * Good to have experience working with large Data sets * Good to have- Familiarity with data visualization tools Tableau ...
San Francisco, CA · Remote
$60 - $90/hr
Design complex analysis tasks simulating real research work, including data cleaning, statistical analysis, and interpretation. * Author clear, reproducible reference analyses in Jupyter Notebooks or ...
Quick apply
San Francisco, CA · Remote
$60 - $90/hr
Design complex analysis tasks simulating real research work, including data cleaning, statistical analysis, and interpretation. * Author clear, reproducible reference analyses in Jupyter Notebooks or ...
Irvine, CA · On-site +1
$175K/yr
Own the end-to-end data management program for all active clinical trials, including data cleaning operations, query lifecycle management, data review workflows, and data lock readiness; establish ...
Irvine, CA · On-site +1
$175K/yr
Own the end-to-end data management program for all active clinical trials, including data cleaning operations, query lifecycle management, data review workflows, and data lock readiness; establish ...
Own the end-to-end data management program for all active clinical trials, including data cleaning operations, query lifecycle management, data review workflows, and data lock readiness; establish ...
Own the end-to-end data management program for all active clinical trials, including data cleaning operations, query lifecycle management, data review workflows, and data lock readiness; establish ...
Fremont, CA · On-site
$125K - $151K/yr
Responsibilities : • Experience with Statistical Modelling, Data Extraction, Data cleaning, Data screening, Data Exploration and Data Visualization of structured and unstructured datasets • ...
Fremont, CA · On-site
$125K - $151K/yr
Responsibilities : • Experience with Statistical Modelling, Data Extraction, Data cleaning, Data screening, Data Exploration and Data Visualization of structured and unstructured datasets • ...
San Francisco, CA · On-site +1
Delivering that depends on clean, current data - CAS numbers, specifications, certifications, and regulatory documents pulled from thousands of inconsistent, often messy sources. This requires strong ...
San Francisco, CA · On-site +1
Delivering that depends on clean, current data - CAS numbers, specifications, certifications, and regulatory documents pulled from thousands of inconsistent, often messy sources. This requires strong ...
San Francisco, CA · On-site
$150 - $210/hr
Delivering that depends on clean, current data -- CAS numbers, specifications, certifications, and regulatory documents pulled from thousands of inconsistent, often messy sources. This requires ...
San Francisco, CA · On-site
$150 - $210/hr
Delivering that depends on clean, current data -- CAS numbers, specifications, certifications, and regulatory documents pulled from thousands of inconsistent, often messy sources. This requires ...
Delivering that depends on clean, current data -- CAS numbers, specifications, certifications, and regulatory documents pulled from thousands of inconsistent, often messy sources. This requires ...
Delivering that depends on clean, current data -- CAS numbers, specifications, certifications, and regulatory documents pulled from thousands of inconsistent, often messy sources. This requires ...
$97K - $133K/yr
Performs data cleaning, quality control, and exploratory data analysis to gauge the need for or appropriateness of advanced analytical methods * Assists research, senior research, and/or lead ...
$97K - $133K/yr
Performs data cleaning, quality control, and exploratory data analysis to gauge the need for or appropriateness of advanced analytical methods * Assists research, senior research, and/or lead ...
Los Angeles, CA · On-site
$97K - $133K/yr
Performs data cleaning, quality control, and exploratory data analysis to gauge the need for or appropriateness of advanced analytical methods * Assists research, senior research, and/or lead ...
Los Angeles, CA · On-site
$97K - $133K/yr
Performs data cleaning, quality control, and exploratory data analysis to gauge the need for or appropriateness of advanced analytical methods * Assists research, senior research, and/or lead ...
Irvine, CA · Hybrid
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Quick apply
Irvine, CA · Hybrid
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Irvine, CA · Hybrid
Medical
Dental
Vision
Life
Retirement
PTO
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Irvine, CA · Hybrid
Medical
Dental
Vision
Life
Retirement
PTO
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Irvine, CA · Hybrid
Medical
Dental
Vision
Life
Retirement
PTO
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Irvine, CA · Hybrid
Medical
Dental
Vision
Life
Retirement
PTO
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Irvine, CA · On-site
$92K - $143K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Irvine, CA · On-site
$92K - $143K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Performs advanced data cleaning and analysis including understanding of hypothesis testing (ANOVA, chi-squared etc.) and multivariate modelling techniques * Provides strategic and tactical support to ...
Santa Clara, CA · On-site
$124K - $169K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization. • ...
Santa Clara, CA · On-site
$124K - $169K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization. • ...
Santa Clara, CA · On-site
$124K - $169K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization. • ...
Santa Clara, CA · On-site
$124K - $169K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization. • ...
Santa Clara, CA · On-site
$124K - $169K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization. • ...
Santa Clara, CA · On-site
$124K - $169K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization. • ...
San Diego, CA · On-site
$160K - $230K/yr
Medical
Dental
Vision
Retirement
PTO
Work closely with statistics and programming to ensure high-quality data output including data cleaning/validation, SAS listings review, TLF dry runs, etc. * Develop, track, analyze, and report ...
San Diego, CA · On-site
$160K - $230K/yr
Medical
Dental
Vision
Retirement
PTO
Work closely with statistics and programming to ensure high-quality data output including data cleaning/validation, SAS listings review, TLF dry runs, etc. * Develop, track, analyze, and report ...
$127K - $173K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization.
$127K - $173K/yr
Develop toolchains for data cleaning, annotation quality inspection, and data mining to support the algorithm team in quickly locating model error cases and driving iterative model optimization.
Mountain View, CA · On-site
$136K - $163K/yr
Abaka AI provides accurate and efficient AI data services, including data collection, data cleaning, data annotation, and OTS datasets. Founded in 2021, the company is headquartered in Palo Alto, USA ...
Mountain View, CA · On-site
$136K - $163K/yr
Abaka AI provides accurate and efficient AI data services, including data collection, data cleaning, data annotation, and OTS datasets. Founded in 2021, the company is headquartered in Palo Alto, USA ...
$15.80 is the 25th percentile. Wages below this are outliers.
$8.94 - $16.24
27% of jobs
$16.24 - $23.54
22% of jobs
The median wage is $25.97 / hr.
$23.54 - $30.84
3% of jobs
$30.84 - $38.13
1% of jobs
$38.13 - $45.43
1% of jobs
$52.21 is the 75th percentile. Wages above this are outliers.
$45.43 - $52.73
22% of jobs
$52.73 - $60.02
2% of jobs
$60.02 - $67.32
4% of jobs
$67.32 - $74.62
15% of jobs
$74.62 - $81.92
2% of jobs
$81.92 - $89.21
0% of jobs
$8
$40
$89
A Data Cleaning job involves identifying and correcting errors, inconsistencies, and inaccuracies in datasets to ensure high-quality data for analysis. This process includes removing duplicate records, filling in missing values, standardizing formats, and eliminating irrelevant or erroneous data. Data cleaning helps improve data accuracy, reliability, and usability for business intelligence, machine learning, and decision-making. Professionals in this role typically work with databases, spreadsheets, and data management tools to refine raw data into a structured and meaningful format.
To thrive in Data Cleaning, you need a strong attention to detail, analytical skills, and a solid understanding of data management practices, often supported by training or coursework in data science, statistics, or information technology. Familiarity with tools like Microsoft Excel, SQL, Python (with libraries such as pandas), or specialized data cleaning software is highly valuable. Excellent problem-solving abilities, persistence, and effective communication are important soft skills for identifying and addressing data inconsistencies while collaborating with other team members. These skills are essential to ensure that datasets are accurate, reliable, and ready for analysis, leading to trustworthy business insights.
One of the biggest challenges in data cleaning is dealing with incomplete, inconsistent, or duplicate data from multiple sources, which often requires creative problem-solving and close attention to detail. Communicating with team members to clarify data definitions and intended use is also a frequent part of the job, as misinterpretations can lead to errors. Additionally, deadlines and large datasets can make the role fast-paced, so strong organizational skills and efficiency are important. However, overcoming these challenges offers valuable experience and plays a crucial role in ensuring the success of projects that depend on high-quality data.
The most popular types of Data Cleaning jobs in California are:
For Data Cleaning jobs in California, the most frequently searched job titles are:
The top searched job categories for Data Cleaning jobs in California are:
Cities in California with the most Data Cleaning job openings:
$106K - $133K/yr
Full-time
Re-posted 9 days ago
