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On average, 38 Data Science projects are completed every quarter on Upwork.


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Last updated: October 1, 2015

Popular Data Science Searches

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Alexey P.

Alexey P.

Machine learning, statistics, data analysis, quantitative research

Russia - Tests: 2

Alexey has more then 10 years experience in machine learning, artificial intelligence, statistics, quantitative data analysis. He is highly dedicated and detail oriented at the same time he can easily grasp general picture to offer alternative approaches to the problem. He holds a Ph. D. degree in physics (acoustic signal processing and hydrosphere modeling) but academic background do not interfere with needs of real business moreover Alexey has business consulting experience (marketing and strategy). Main areas of proficiency: data analysis / data science, machine learning, predictive modeling, statistics, mathematics, algorithms, neural networks, deep learning - Python, R, Scala, JavaScript - Spark / Spark streaming / MLLib - MapReduce - Cassandra / DynamoDB - Theano / Lasagne - Node.js

50% Job Success
$65.00 /hr
612 hours

Vinay Sawant

Vinay Sawant

BigData Hadoop Developer/Analyst/Data Scientist

India - Tests: 1

• BigData Hadoop Certified • Certifcation of HBase by IBM from BigDataUniversity. • Certifcation of Data Analysis using R from BigDataUniversity. • IBM Pig Certified from BigDataUniversity • IBM Hive Certified from BigDataUniversity • JAQL Certified by IBM from BigDataUniversity. • Knowledge in Big Data Hadoop and its components like HDFS, Map Reduce, Apache Pig,Hive, Sqoop, and HBase,Phoenix. • Knowledge of Setting up Hadoop Cluster (Single and Multi Node in Ubuntu) • Knowledge of installing writing the Pig scripts to reduce the job execution time • Currently pursuing Certification course of Data Science from Coursera • Currently pursuing Certification course of Machine Learning from Coursera by AndrewNG • Currently pursuing Certification course 15.071X, THE ANALYTICS EDGE- Analytics! • Currently pursuing Certification course of Practical Machine learning from Coursera

$13.33 /hr
32 hours

ingyu koh

ingyu koh

analysis of your problem and reliable solution

South Korea - Portfolio: 2

I am software engineer and scientist with experiences in pattern recognition in image, voice, financial data and texts. Programmings are in C++, php, javascript, html, css. I worked in KAIST(Korea) as well as Imperial College(London), Fermilab(USA). I am bilingual in Korean and English. You can have immediate responses through Skype meetings.

80% Job Success
$49.00 /hr
178 hours

Pranav Verma

Pranav Verma

Big Data: Spark, Data Science: Python, BI: MicroStrategy

India - Tests: 1 - Portfolio: 14

Pranav is a data person helping enterprise, small business, and startups solving their data problems at scale. Graduate from Indian Institute of Technology, IIT Guwhati, carries 12 years of significant experience working on data engineering and data science. Pranav had been associated with esteemed businesses including Invitation Homes, Kaiser Permanente, Zurich Financial Services, Hughes Depot Supply, Boeing, Nielsen, Adap TV, Ecolab, CNA Financial, to name very few in list. OFFERING ------------- 1. Data Ingestion - Ingesting data from variety of sources to a big data ecosystem. - Data sources can be operational systems (CRM, ERP, SCM, CMS), Databases (Relational, NO SQL), Streaming (Machine Logs, Social Media, Event Processing), Files (Word, Excel, CSV, PDF, Text) - Big Data ecosystem can be Apache Hadoop or Apache Spark 2. Data Scale - Moving data to a big data ecosystem - Parallel processing through Apache Spark - Storing data to NO SQL databases for pre-processing 3. Data Wrangling - Data Lake development including data pipelines - Pre-processing tasks including data parsing, data profiling, data shaping, data inferencing, data enrichment, data harmonization, data cleansing, data transformation, data combining 4. Data Context - Natural Language Processing of un-structured and multi-structured data Entity selection, Featurization, Part-of-Speech, Lemmatization, Stemming, TF- IDF, Scoring - Entity Resolution, Linked Data, Semantic Web, Third Party enrichment, Ontology, knowledge graph, Word Disambiguation 5. Data Exploration - Exploratory data analysis to summarize dataset characteristics - Mining the hidden patterns in data - Statistical analysis concluding right analytical model 6. Data Analytics - Build a machine learning model meeting requirements - Validating and Testing the data model prepared 7. Data Communication - Analyzing results via Visualization, D3.JS or Tableau - Providing actionable insights through automation SKILLS --------- 1. Framework: Apache Hadoop (MapReduce, YARN, HDFS) 2. Distributed Programming: Apache Spark - Parallel processing of large scale data, batch or streaming - In-memory computation of big data in seconds or less - Machine learning implementation - Graph data analysis - Realtime streaming - Processing in Python, Scala, and R 3. Key Map Data Mode: Apache HBase, Apache Cassandra 4. Key Value Data: Reddis 5. Graph Database: Apache Giraph, Neo4J 6. Document Data Model: MongoDB 7. Data Ingestion: Apache Flume, Apache Sqoop 8. SQL-like Processing: Apache Hive, Apache Impala 9. Message Oriented Middleware: Apache Kafka, RabbitMQ 10. Service Programming: Apache Avro, Apache Zookeer 11. Scheduling: Apache Oozie 12. Applications: Apache Nutch, Apache Tika 13. Search Engine Framework: Apache Solr, Apache Lucene 14. Data Visualization: D3.JS, Tableau, Qlikview, MicroStrategy 15. Distribution: Cloudera, HortonWorks, MapR, Pivotal SPECIALITY --------------- 1. Marketing Data Handling marketing automation, CRM data, POS data, click-through data, social media, second & third party data 2. Marketing Analytics - Customer Loyalty - Customer Churn - Customer Segmentation - Upsell/ Cross-sell - Discount Targeting - Customer Behavior 3. Marketing Application Data Management Platform, DMP for marketers, publishers, & agencies Communication ============= I possess excellent English skills and and use Skype/ TeamViewer/ GotoMeeting/ to communicate with my clients on Upwork. Availability ========= Available from 9:30 AM (IST) to 1:00 AM (IST) for my clients from different time zones. Contact ====== Please send your queries to or Skype at vpranav121

58% Job Success
$55.00 /hr
3,020 hours

Jeffrey S.

Jeffrey S.

Data Scientist, Project Manager and Labview Developer

United States - Tests: 3

I have deep experience working with large data sets to solve complex problems. My background includes working in the areas of Bayesian statistical analysis as well as predictive analytics, business intelligence, data modeling and forecasting. I have worked used my skills in a variety of industries such as energy, manufacturing, finance and aerospace. I also have more than a decade of development experience, primarily with National Instruments Labview, as well as many years of project management experience and my PMP certification.

$67.00 /hr
9 hours

Scott S. McGeary

Scott S. McGeary

BI/Reporting Data Architect

United States - Tests: 2 - Portfolio: 4

With 16 years of experience in the public and private sector, I bring a vast spectrum of experience from many platforms and technologies. I started my career doing web development for several years and migrated into data warehousing, reporting, data management, data automation, and pretty much anything you can think of that deals with data. The Microsoft SQL Server BI Stack is my wheelhouse, but I use many other tools beyond SSIS and SSRS, such as Tableau and Crystal Reports. I enjoy solving extremely complex data issues with my skill set. My passion is making data "work" for my clients. I still do a bit of web development for clients and am very proficient in Classic ASP web apps. Let's talk about your project and see if I am a good fit!

100% Job Success
$45.00 /hr
71 hours

Rowan V.

Rowan V.

Data Scientist, Data Developer, Visualization

United States - Tests: 7

I am passionate about quantitative investigative methods and data analysis. I have experience utilizing a variety of methodologies and tools, including R, Python, JavaScript, and Tableau in order to answer data-related questions. Currently @Twitter, formerly at Spartz, Inter-American Development Bank, and Cambridge Energy Labs. I have a B.S. from MIT, and have a strong background in experimental design, statistical analysis, data visualization, and machine learning techniques. With over 10 years of programming experience and a strong statistical background, I can help you make sense of your data. I am able to provide writing and coding samples of my past work, for a few of my past projects, please check out

$80.00 /hr
9 hours

Sumit Kumar Roy

Sumit Kumar Roy Agency Contractor

Data Warehousing,Business Intelligence and Big Data Scientist

India - Tests: 2 - Portfolio: 2

Sumit have worked in the It industry for over 17 years. He has vast experience developing software from Supply Chain Management, POS, E-Commerce, BFSI, manufacturing etc. He holds a post graduate degree in IT and E-Commerce. Customer-focused, highly organized self-starter with effective customer-service skills and demonstrated ability to manage technical aspects and per-sales projects, architect tailor-made customer solutions, build relationships, communicate solution strategy and product offerings, and provide technical expertise, support, and training to sales and customers. For over seven years, career focus has been centered on Business Intelligence and Data Warehouse system design, development and deployment. The application of extensive experience across multiple DBMS' and platforms has provided a strong aptitude for multidimensional data base design coupled with robust operational architectures. Have 8 years’ experience in BI Data analysis and generation of complex Analytical/Statistical report for Finance/Marketing/Supply Chain Management.

Associated with: Octocube Consulting

$38.89 /hr
350 hours

Ahsan shafiq C.

Ahsan shafiq C.

Top Game Developer / Data Scientist & R Developer

Pakistan - Tests: 2 - Portfolio: 5

I have 5+ years of experience in Software Development and Design in various leading technologies. I have worked for International Customers and helped them growing their business and expanding the profitability. Over the last 5 years, I have developed a wide range Mobile applications, which include iPhone/iPad/Android/J2ME. I have developed both games and eCommerce applications for iPad/iPhone. I have Masters Computer Science with focus on Data Mining and Machine Learning. I have been doing statistical data analysis in R for 2+ years now and have experience working with a variety of single/multiple regression, multi class classification and clustering techniques. I have been involved in development of: - Ruby on Rails - iPhone/Android Native Applications for the Enterprise - iPhone/Android Games Specialties: iPhone SDK / Android / J2ME / Symbian / BREW / BlackBerry Cocos2d / Cocos2d-x / Unity3D / OpenGL ES / Quartz 2D Box2d / Chipmunk Ruby on Rails (ROR) C / C++ / Objective-C / Cocoa Framework / C#

Groups: Application Developers Alliance

99% Job Success
$30.00 /hr
3,555 hours