Browse Data Science job posts for project examples or post your job on Upwork for free!

Data Science Job Cost Overview

Typical total cost of Upwork Data Science projects based on completed and fixed-price jobs.

Upwork Data Science Jobs Completed Quarterly

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


Time to Complete Upwork Data Science Jobs

Time needed to complete a Data Science project on Upwork.

Average Data Science Freelancer Feedback Score

Data Science Upwork freelancers typically receive a client rating of 4.85.

Last updated: October 1, 2015

Popular Data Science Searches

Clear all filters

Igor Isupov

Igor Isupov

Data analytics, Consulting

Ukraine - Tests: 6

i've been working as a Sr.Data Analyst for almost 10 years. I'm very keen on utility bill audits and rate optimization. I hold a magister degree in maths and economics so i'm capable of creating econometric and statistical models, predictive analytics. i'm using R, Excel and Python for data munging and analysis. based in Zaporozhye, Ukraine. i can make Skype-out calls throughout USA if needed. Reliable, Responsive, Thoughtful.

100% Job Success
$20.00 /hr
19 hours

Yuriy Smirnov

Yuriy Smirnov

Data integration proficient, Data scientist, Software developer

Russia - Tests: 4

I'm a Data scientist/Software developer skilled in integration tasks, such as data exchanges, data loading (from Pdf to Excel, from Excel to different databases, from databases to Excel etc), data processing;I also have many years experience in code perfomance improvement in different areas from Sql queries in high-loaded enterprise application and data caching to logical improvements in algorithms. My main job now includes 1C framework. This is a most popular framework for enterprise applications in Russia. Also I have 3 Acm Icpc (International collegiate programming contest) sertificates from half-final сompetitions and a lot of diplomas from different mathematical сompetitions. My English level is between Basic and Conversational (I understand a most part of easy dialog but I can't understand fast or accent voice, complex phrases or some words).

$30.00 /hr
29 hours

Tom L.

Tom L.

Data scientist, Python, R Programmer

Canada - Tests: 9 - Portfolio: 2

Over the last 12 years, I worked as research assistant/associate in data analysis. I developed algorithms in processing and performing statistical analysis using R, Perl, Java. I am proficient in various Microsoft Office Applications especially MS Excel, MS Word, and MS Powerpoint. I have strong oral and written communication skills. I am a strong self-starter and able to work well independently. I am hardworking and can work effectively as fast as I can.

88% Job Success
$37.00 /hr
33 hours

Heikki Arponen

Heikki Arponen

Math PhD Data Scientist

Finland - Tests: 4 - Portfolio: 4

I'm a Finnish math PhD, Data Scientist/Quant and Python expert. I have around 10 years of experience in academia as a researcher, and a couple of years after that as an independent contractor. Primarily I am skilled in the following mathematical programming subjects: - Time series analysis and modelling (parametric, nonparametric, multivariate) - Machine learning (mostly Recurrent Neural Networks) - Optimization (Convex and Large Scale ML/TS problems) Other skills: SQL, financial modeling, data analysis, stochastics, stochastic PDEs, wavelets, monte carlo, regression analysis (linear, nonlinear, logistic), time series analysis, econometrics, VARMA etc., econophysics, nonlinear dynamics, portfolio theory, CAPM, factor models, GARCH, VaR, neural networks, backtesting, algorithmic trading List of publications: It's against Upwork policy to share other relevant links, such as Github, LinkedIn, or my business website, but feel free to use the interwebz to find those.

100% Job Success
$83.33 /hr
319 hours

Gabriel D.

Gabriel D.

Statistician/ Data Scientist

Kenya - Tests: 10 - Portfolio: 1

I use statistical and econometrics to achieve the desires statistical analytic. I am a data scientist with a passionate interest to specialize in financial analysis, models and design algorithm. My Statistical and econometric skills include: > Statistical modelling > Linear regression > Panel data models > Binary outcome models (probit, logit, bivariate probit) > Multinomial and ordered models > Limited dependent variable models > Count data models > Survival analysis > Spatial econometrics > Quantile regression > Systems of regression equations > Time-series models My financial skill are mainly financial analysis and modelling. Fluent in: > R > STATA > SAS > SPSS > Minitab > Matlab > Tradestation

100% Job Success
$16.67 /hr
565 hours

Zlatomir Zlatev

Zlatomir Zlatev

Desktop Apps,Databases,Bioinformatics,Statistics,R-project,web Scrap

Bulgaria - Tests: 3 - Portfolio: 2

I have 14+ years of programming experience and a Master's degree in Bio- and Medical Informatics. I'm good at User Friendly GUIs, Data Reorganization, File Format Conversions (including text and binary data formats), Web Scrapping, Desktop Applications (Visual FoxPro, C# recently), Databases (a lot of experience), Bioinformatics, Statistical Analysis, R-project for statistical computing (including C code compiled for R to speed up some time consuming computations), SQL, Microsoft Office Excel Automation (VBA code sent from a desktop application to Excel to make it do things), Programs to Automatically fill Acrobat PDF Forms, Text Parsing, Mapple, C, C++, C#, Audio/Video formats conversion, Molecular Biology, Genetics and more. Keywords: Bioinformatics, Desktop Applications, Molecular Biology, Genetics, C, C++, C#, Mapple, PDF Forms, edgelist, edge list, Databases, database, Statistical Analysis, R-project, VBA, Automation, Medical Informatics, Algorithms, algorithm, File Convert, files conversion, Text Parsing, parse, user friendly graphical interface, GUI, Audio, Video, website scrap, scrapping, wordcloud, wordclouds, word cloud, word clouds, C#.

100% Job Success
$25.00 /hr
199 hours

Pijus P.

Pijus P.

Expert Web | Desktop developer

United Kingdom - Tests: 1 - Portfolio: 2

● For the last 5 years I have developed software solutions for individuals and startup companies. I have been working solo and in medium scale teams. ● Senior C# (Windows forms) developer ● Bachelor in Software Engineering at UK TOP 9 University, TOP 1% Global. ● Reliable, responsible, professional. ● Top Rated UpWork freelancer.

84% Job Success
$20.00 /hr
202 hours

Abhijeet C.

Abhijeet C.

Geospatial Solutions Expert

United Kingdom - Tests: 2 - Portfolio: 4

5+ years Mapping and GIS experience coupled with Masters in GIS/Mapping and MBA; Highly competent Geospatial professional, experienced in TileMill-MapBox interactive Map Development, Geocoding, Satellite Remote Sensing, Photogrammetry, Digital Image Processing & GIS projects; is passionate about applying knowledge and experience to support your business. Committed to provide the best results at reasonable costs. Passionate about working in the field of Geospatial information sciences.

94% Job Success
$17.00 /hr
913 hours

Vadim K.

Vadim K.

Data Scientist. ML, R, SAS, Python, ETL, AWS Developer.

Russia - Tests: 9

I have 3+ years experience working with data. ETL Developer: SQL, SAS DI, Talend, Oracle DB, GreenPlum DB, PostgrSql, Hadoop, Hive, Pig. Data Scientist/Data Analyst: R, SAS, Python, Machine Learning, D3.js, Spark. I have 4+ years previous experience on developing web applications using PHP, JavaScript, AJAX. Databases: MySQL, Postgresql. Frameworks: JQuery, Code Igniter. CMS: MODx, Wordpress.

97% Job Success
$22.00 /hr
1,182 hours

Juan Luis Herrera Cortijo

Juan Luis Herrera Cortijo

Data Scientist

Spain - Tests: 13 - Portfolio: 5

Do you have some question that requires a statistical or machine learning answer? No problem. As a data scientist with 15 years of experience, I have the technical knowledge and the communication skills needed to solve your problem and, most important, give an answer that you can apply to your field of interest. What I offer to you is a full data analysis/machine learning stack, including: - Getting and organizing your data. - Selecting the most relevant statistical or machine learning technique for your case. - Applying the technique to your data. - Writing a report that explains every step taken and makes a interpretation of the results. All written with enough technical detail, but that doesn't require a depth statistical knowledge to follow. - Assistance in applying the results to your specific field. I can do all this using any or several of the following: R, MATLAB, Python, MySQL. Everybody can apply an out of the shell statistical algorithm to some benchmark data. But I'm an expert in the tricks needed to apply those algorithms to real data.

100% Job Success
$66.67 /hr
925 hours