Hire the best Data Cleaning Professionals in Johannesburg, ZA

Check out Data Cleaning Professionals in Johannesburg, ZA with the skills you need for your next job.
  • $12 hourly
    Data entry/Transcriptionist/ researcher I am a meticulous data entry specialist and audio transcriptionist with exceptional Excel skills. Equipped with a passion for transforming raw data into valuable insights, I pride myself on accuracy and timely delivery. As an Excel wizard, I handle everything from basic data entry to complex formulas. My versatility extends to tasks like data cleaning, validation, and audio transcription. Let me be your trusted partner in this data-driven journey, where I turn your information into gold. Together, we'll unravel the wonders hidden within your data.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Copy & Paste
    Microsoft Word
    Research & Development
    Science
    Audio Transcription
    Data Entry
    Microsoft Excel
  • $35 hourly
    As a Masters in Data Science student and data analyst, I specialize in analyzing, scraping and visualizing data using tools such as Power BI, SQL, Excel, and Python. My expertise lies in data analysis and visualization, and I pride myself on my ability to translate complex data into easily understandable insights. I am skilled in identifying patterns and trends in complex data, and developing custom dashboards and reports to track key performance indicators. Additionally, I prioritize clear communication and attention to detail to ensure accuracy and understanding for all stakeholders. I work the full gambit of analytics from data extraction and cleaning to data analysis then to visualization and written presentation. My skills include: - Data Visualization using Power BI & Excel - SAS - SQL & SSRS Report Builder - Microsoft Azure - Microsoft Fabric - BigQuery - Octoparse - Web Scraping - Excel - Python - Exploratory Data Analysis - Microsoft PowerPoint Donation: 5% of all bottom-line earnings go to the charity of your choice: Huntington’s Association of South Africa, Living Hope or SOS Children’s Villages.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Microsoft Excel
    Data Collection
    Python
    Analytical Presentation
    ChatGPT
    Data Analysis
    Data Science
    Business Intelligence
    Microsoft Power BI
    SQL Server Reporting Services
    Data Visualization
    SQL
    Financial Statements Preparation
    Finance & Accounting
  • $30 hourly
    A professional with important mixed methods research skills and a data analytics background. Lusanda has advanced knowledge of STATA, R, academic and clinical research designs and analytic skills. Her experience in clinical trial settings has also further honed her transcription, data entry, data cleaning, data management skills. She’s available to assist in projects that require such.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Visual Basic for Applications
    Design & Usability Research
    Scientific Research
    Medical Informatics
    Epidemiology
    Medical Report
    Qualitative Research
    Data Entry
  • $6 hourly
    With a strong accounting background, I offer comprehensive Bookkeeping, accounting, and financial Data Analysis services. My focus is on supporting start-ups and mid-sized businesses by accurately recording, managing, and maintaining financial transactions. I approach my responsibilities with dedication, hard work, and commitment to providing efficient services. Here's what I can do for you: • Accounting and Bookkeeping • Financial statement Generation • Stock/Inventory count and management • Data entry and creating interconnecting dashboards • Data cleaning • Budgeting and Variance Analysis • Fixed Asset Schedule I'm excited about the opportunity to work with you. Thank you.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Graphic Design
    Google Workspace
    Administrative Support
    Internal Auditing
    Microsoft Office
    Management Skills
    Financial Management
    Bank Reconciliation
    Accounting Software
    Microsoft Excel
    Internal Control
    Data Entry
    Financial Audit
    Bookkeeping
  • $13 hourly
    I am a Data Enthusiast with experience working as a Data Analyst . I possess the skills in managing databases, using SQL, Microsoft SQL server, excel. For all your data cleaning, validation and visualization work - Let me shower you with my skills to achieve your business or personal needs. I am also a Data Collector and a Microsoft office (Office 365) competent individual. Good at programming using HTML,CSS and JavaScript.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Audio Transcription
    Visualization
    Accuracy Verification
    Data Collection
    Calculation
    Data Migration
    Microsoft SQL Server
    Microsoft Azure
    Database
    HTML
    Analytical Presentation
    Google Sheets
    Microsoft Excel
  • $28 hourly
    I am a researcher with an Honours degree in Pharmacology and ongoing enrolment in a Masters program in Clinical Trials at the University of Edinburgh, I possess a solid academic foundation. My strengths lie in adaptability, analytical thinking, and proactive teamwork, always ensuring meticulous attention to detail. I have skilled in data collection, data entry, data cleaning, database development, Literature reviews, Protocol development
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Database Development
    Literature Review
    Data Collection
    Writing
    Research Protocols
    Data Entry
  • $45 hourly
    I am a junior quantitative professional, with a degree in applied mathematics and statistics. My specialisations are: •Data cleaning and validation. •Data visualisations. •Creating dashboards and reports to track key performance indicator. •Performing statistical analysis and modeling to identify insights from the data. The software I use: •Python •SQL •R
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    SQL
    R
    Python
    Mathematical Modeling
    Time Series Forecasting
    Time Series Analysis
    Machine Learning
    Data Preprocessing
    Data Visualization
    Data Analytics
  • $15 hourly
    My experience working with data enables me to appreciate the importance of data completeness and accuracy when designing user reports, be it for operations or strategic support. I have vast knowledge of working with large volumes of data while maintaining data integrity.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Microsoft Power BI Data Visualization
    Data Migration
    Data Collection
    Data Visualization
    Data Analysis Expressions
    Microsoft Excel
    Data Entry
    Data Analysis
    Microsoft Excel PowerPivot
    Business Intelligence
    ETL
    Data Extraction
  • $10 hourly
    A highly motivated and results-driven individual seeking a position as an Entry Level Data Analyst. Possessing strong analytical, programming and collaboration skills with a passion for utilizing data to solve complex problems and drive business growth. Seeking to apply expertise in data analysis, data processing, data governance and reporting to increase the efficiency and accuracy of data processing leading to growth and success.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Microsoft Excel PowerPivot
    Excel Formula
    Python Numpy FastAI
    Python Script
    Microsoft Power BI Data Visualization
    Tableau
    SQL
    Statistics
    Data Analysis
    Data Mining
    Data Preprocessing
    Data Collection
  • $15 hourly
    I uphold more than 5 years Data Entry experience and have gained certifications in Data Capturing , PC Computing. recently successfully completed Data Science Foundations free online course. In the near future I want to pursue a SQL database Administration / Data Analysis career by enrolling for Microsoft SQL DBA and advanced IT Certification. Resourceful, and committed to continually advancing my knowledge of relevant technologies.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Accuracy Verification
    Typing
    Report
    Administrate
    Data Extraction
    Clerical Skills
    Copy & Paste
    Online Help
    Copy Editing
    Office Administration
    Data Analysis
    Email
    Microsoft Excel
    Data Entry
  • $20 hourly
    Results-driven data analyst with a strong background in utilising data analysis tools and applying business acumen to drive informed decision-making. Skilled in extracting meaningful insights from complex datasets, identifying trends, and presenting actionable recommendations to improve business performance. Proficient in data manipulation, visualisation, and statistical modelling using tools such as Microsoft Power BI, DAX, Microsoft Excel, Python, and SQL.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    ETL
    Data Analysis Expressions
    Dashboard
    Data Preprocessing
    Data Integration
    Data Modeling
    Data Analytics & Visualization Software
    Microsoft Excel PowerPivot
    Data Warehousing & ETL Software
    Microsoft Azure
    Microsoft SQL Server
    Microsoft Power BI
  • $30 hourly
    Detail-oriented Data Analyst with experience in analyzing complex data sets to drive business decisions. Proficient in SQL, Excel, and Python, with extensive knowledge in data visualization tools such as SPSS and Power BI. Strong background in statistical analysis and data visualization. Proven ability to communicate insights effectively to non-technical stakeholders and deliver actionable recommendations. Committed to ensuring data accuracy and integrity while managing multiple projects.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Stakeholder Management
    Business Analysis
    Project Management
    Communications
    Problem Solving
    Cloud Computing
    Statistical Analysis
    Data Quality Assessment
    Database Management
    Data Preprocessing
    Data Visualization
    Data Analysis
  • $22 hourly
    I'm an avid data enthusiast who is can help you to gather actionable information from your data. I love to help people and data projects for a good cause are of particular interest to me. I have a wealth of experience in the commercial aspects of large businesses which has taught to be able to discern with relative certainty what data is useful and for what purpose. I'd like to help you make the most of your data, whatever the scale. I offer services because I want to expand my own knowledge, help others, and contribute to society.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Task Automation
    Data Collection
    Data Extraction
    Data Ingestion
    MySQL
    SQLite
    Microsoft SQL Server
    pandas
    SQLAlchemy
    Statistical Analysis
    Data Analysis
    Python
    SQL
  • $45 hourly
    I am an experienced health informatics professional specializing in clinical data management for large-scale hospital groups with over 9000 beds. Proficient in exploratory data analysis and machine learning model development, I possess firsthand experience in the clinical setting and deep knowledge of patient health and care. - Knows Python, SQL, MS SQL Server/ - Skilled communicators - Project management
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Health
    Requirement Analysis
    Machine Learning
    Data Flow Diagram
    Data Extraction
    Data Analytics & Visualization Software
    Data Analysis
  • $20 hourly
    PROFESSIONAL SUMMARY Forward-thinking and detail-oriented IT professional with a strong background in help desk analysis, desktop support, and network administration. Experienced in leveraging advanced analytics and data visualisation tools to drive actionable insights and optimise business performance.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Data Engineering
    Directory
    Presentation Design
    Microsoft Excel
    User Identity Management
    System Security
    Information Analysis
    Data Visualization
    Business Management
    Information Management
    Data Analysis
    Computing & Networking
    System Administration
    Microsoft Active Directory
  • $6 hourly
    I am a Data Capturer who is fluent in English. My typing skills are very good. I have worked in both big corporate companies and small to medium enterprises which has given me access to a wide variety of data. I have an interest in languages which are Zulu, Swati and Xhosa, as well as being skilled with using Microsoft Office Suite. Whether you are looking for someone to assist you with small data related work or long term projects, I am available.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Typing
    Data Collection
    Data Entry
  • $11 hourly
    I am a passionate, loyal and hardworking freelancer. I have 15 years of experience in my field. I can type 60-70 words per minute. I can follow instructions very well. I have excellent attention to detail. I have worked for respected companies and make quality and communication my top priority. I can balance large quantities of work. I have experience in MS Office, Excel, Word, and Google documents. I am open to learning and using new tools should the client require. I can take on work immediately and looking forward to communicating with you about your administrative and data entry needs.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Microsoft PowerPoint
    Writing
    Administrative Support
    English
    Afrikaans
    Data Entry
    Microsoft Word
    Microsoft Excel
    Typing
    Google Docs
  • $30 hourly
    As an AI Engineer | Data analyst dedicated to innovation, I excel in developing solutions that propel business growth, projects completion and success. Provide AI/Machine learning solutions: Predictive Analytics Recommendation Systems Image Recognition and Analysis Natural Language Processing (NLP) Anomaly Detection Time Series Forecasting: Marketing and Customer Insights Supply Chain Optimization I have experience working with multiple state-of-the-art algorithms and models in Python. I have an understanding of popular ML frameworks like TensorFlow, PyTorch, scikit-learn and Keras. I have a familiarity with tools for data manipulation and preprocessing such as Pandas, NumPy, and SciPy is important for handling datasets effectively. Deep Learning Architectures: Knowledge of various deep learning architectures like convolutional neural networks (CNNs), recurrent neural networks (RNNs), and transformers is necessary for solving complex problems. Let's collaborate and elevate your business to new heights with data-driven solutions!
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Market Research Interview
    R
    SQL
    Automation
    Application Performance Monitoring Software
    Market Research
    Predictive Modeling
    Data Quality Assessment
    Analytics Dashboard
    Marketing Analytics
    Google Cloud Platform
    Data Preprocessing
    Machine Learning
    Python
  • $25 hourly
    Highly energetic and self-motivated professional with great analytical skills and knowledge in database design, development, and maintenance on SQL server. Self-motivated and tech savvy team player with a passion for technology accompanied by special interest and expertise in relational and advanced databases. Power BI expect with a diversity of experience across industries. Ability of transforming raw data into meaningful insights through visualizations. ,
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Database Design
    Data Analysis
    Database Architecture
    Database Management System
    Training
    Analytics
    Power Query
    Microsoft Power BI
  • $10 hourly
    My Strengths are I am self-motivated, hardworking, a quick learner and I am a good team player. I have a variety of skills from writing to data analysis as highlighted on my CV.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Spreadsheet Skills
    Data Processing
    Statistical Analysis
    Problem Solving
    Data Wrangling
    Deep Learning
    Database Management
    Microsoft Power BI Data Visualization
    NoSQL Database
    SQL
    Conduct Research
    MATLAB
    Python
    Data Analysis
  • $5 hourly
    DATA SCIENTIST | DATA ANALYST | BUSSINESS ANALYST PROFESSIONAL SUMMARY Motivated data scientist who is passionate about building models that fix problems. Relevant skills include machine learning, problem solving, programming, and creative thinking
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Machine Learning
    Data Visualization
    Microsoft Excel
    SQL Programming
    Machine Learning Model
    Artificial Intelligence
    Data Mining
    Microsoft PowerPoint
    Business Management
    Management Skills
    Python
  • $20 hourly
    I am a junior professional interested in solving problems and challenging convention using digital innovation. My main interests lie in leveraging off technology to improve processes and providing solutions to clients. I am a tenacious, energetic and motivated learner, consistently looking for an opportunity to develop and gain new skills. Currently, my passion lies in finding solutions using Data and Analytics to bring tangible value to products, services and client - by better understanding these entities.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Communication Skills
    Artificial Intelligence Ethics
    Business Analysis
    Problem Solving
    Critical Thinking Skills
    Database Management
    Data Warehousing
    Data Mining
    Data Manipulation Language
    Machine Learning
    Data Science
    Python
    Data Visualization
    Statistical Analysis
  • $5 hourly
    I'm a dynamic young professional equipped with a versatile skill set encompassing data analysis, Excel proficiency, virtual assistance, transcription, and tutoring. With a passion for efficiency and a dedication to excellence, I'm here to support you in streamlining your projects and achieving your goals with precision. Despite my limited experience, my enthusiasm, willingness to learn, and dedication to excellence set me apart. I'm not afraid to seek guidance, collaborate with others, and delve into research to ensure that every task is executed impeccably. Your satisfaction and success are my utmost priorities, and I'm committed to exceeding your expectations at every turn.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Editing & Proofreading
    Call Center Management
    Calculus
    Data Analysis
    Microsoft Excel
    General Transcription
    Virtual Assistance
  • $15 hourly
    Professional data entry clerk and virtual assistant. Certified in Microsoft Excel. As a data entry specialist, I ensure accuracy, efficiency, and integrity in all projects. I meticulously input, organize, and manage data to unlock its full potential. I can offer a seamless blend of organisational efficiency , proactive communication, and a technological savvy drive when working on projects. Whether it’s scheduling appointments, handling emails, or conducting research, I am the reliable partner who anticipates needs and delivers solutions before they arise. My commitment to confidentiality and professionalism ensures that every interaction is handled with discretion and integrity. Whether it’s, handling emails, or conducting research, I am a reliable partner who strives to anticipate needs and deliver solutions. My commitment to confidentiality and professionalism ensures that every interaction is handled with discretion and integrity. •Experience with working virtually •High proficiency in English and communication skills
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Communication Skills
    English Tutoring
    Research Methods
    Professional Tone
    Clerical Skills
    Clerical Procedures
    Microsoft Word
    Microsoft Excel
    Data Entry
  • $25 hourly
    Hello, are you looking for accuracy and timely completion of your Data Entry projects, Simple Analysis, and data-related tasks? Below is a set of my services offered:  Data Cleaning.  Data Analysis with Excel.  Data Analysis with Cognos. Python for Data Science
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Web Scraping
    Microsoft Excel
    Data Analysis
    Data Visualization
  • $10 hourly
    SUMMERY Results-driven Data Analyst with a strong foundation in SQL, Excel, Tableau Power BI and R programming language with professional skills in health care, community development, finance and retail & sales. A proven ability to extract insights from complex datasets, making data more comprehensive and driving informed decision-making.
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    ETL
    Microsoft Power BI
    Tableau
    Microsoft Excel
    PostgreSQL Programming
    SQL Programming
    Management Skills
    Database
    ETL Pipeline
    Database Management System
    Analytics
    Data Analytics
    Database Management
  • $20 hourly
    With over a decade of experience in the field of Quality Management systems. A leader dedicated to excellence in product and service standards. Maintaining quality control systems that enhance operational efficiency and customer satisfaction. Developed and implemented comprehensive quality management systems for manufacturing and service industries, leading to a 30% reduction in defects and a 25% improvement in customer retention. Spearheaded cross-functional teams to conduct root cause analysis and continuous improvement projects, resulting in significant cost savings and process optimization. Expert in ISO 9001 and 17025 Proficient in statistical analysis, risk management, and quality auditing. Adept at quality assurance and regulatory compliance. My Quality Management skills is not just about meeting standards; it’s about exceeding them. I am commitment to continuous improvement and customer focus and I ensure that the companies I work with are not only compliant with industry regulations but are also leaders in quality innovation. quality is not an act, it’s a habit. I believe that a company’s reputation is built on the quality of its products and services, and I strive for excellence in every project undertaken. If you need additional details, feel free to let me know!
    vsuc_fltilesrefresh_TrophyIcon Data Cleaning
    Environmental, Health & Safety Software
    Interior Design Consultation
    Fashion Consultation
    Graphic Design
    Transpose
    Creative Direction
    Research & Development
    Typing
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Data Cleaning Professional near Johannesburg, on Upwork?

You can hire a Data Cleaning Professional near Johannesburg, on Upwork in four simple steps:

  • Create a job post tailored to your Data Cleaning Professional project scope. We’ll walk you through the process step by step.
  • Browse top Data Cleaning Professional talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Data Cleaning Professional profiles and interview.
  • Hire the right Data Cleaning Professional for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Data Cleaning Professional?

Rates charged by Data Cleaning Professionals on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Data Cleaning Professional near Johannesburg, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Data Cleaning Professionals and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Data Cleaning Professional team you need to succeed.

Can I hire a Data Cleaning Professional near Johannesburg, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Data Cleaning Professional proposals within 24 hours of posting a job description.