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Python is a dynamic general-purpose, object-oriented programming language designed for code readability and used for web applications (e.g. Google, Yahoo and YouTube). On Upwork, the world’s largest online workplace, companies hire Python programmers to successfully complete jobs including loading datasets, creating widgets, and performing data transformations.

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On average, 673 Python projects are completed every quarter on Upwork.


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Python Upwork freelancers typically receive a client rating of 4.73.

Last updated: October 1, 2015
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Marek C.

Quantitative analyst, R, matlab, Data scientist


I am looking for challenging problems that require mathematical skills, ingenuity, programming skills, and deep and original thinking. I worked for a few different companies and always on very interesting problems. I am looking for project in the areas of algorithms, machine learning, probability, stochastic methods, signal processing, data compression, predictive methods, mathematical methods in finance, high frequency trading strategies, genetic algorithms. risk analysis, adaptive learning algorithms, discovery of patterns, data analysis, evolutionary computation. Learning classifiers, wavelets and all preditictive methods ( svm, hidden Markov models, neural networks) applied in financial markets. I spent also a lot of time developing trading strategies in different markets, using machine learning algorithms, genetic programming. My favorite tools are matlab and R.

$28.89 /hr
55 hours

Flavio Ferreira

Flavio Ferreira Agency Contractor

Flavio Henrique Ferreira

Brazil - Portfolio: 1

I am a Web Developer with more than 7 years experience with development and i am Zend Certified Engineer I have experience with PHP, Javascript, MongoDb, SqLite, Mysql, Postgree, JQuery, Ajax, Html5, Linux, Java (Intermmediate), Laravel (3,4,4.1,4.2), CSS, Bootstrap, . Some Jobs Laravel:

Associated with: Eduardo Cruz

$38.90 /hr
0 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

Joseph M.

Joseph M. Agency Contractor

Professional ITIL consultant looking to help improve your ITSM stack

United States - Tests: 1

A Managing Business Consultant of 23 years experience with extensive subject matter expertise in IT Services Management (ITSM) and ITIL, methods, processes, strategic technology infrastructure planning, and developing cost effective solutions to meet customer business requirements. ITIL certified V2 Service Manager and V3 Expert. I can perform an analysis of business requirements, drivers and I/T resource consumption across multiple platforms and develop a macro level capacity planning methodology.

Associated with: Joseph Miller

$83.33 /hr
1,081 hours

Paulo Vieira

Paulo Vieira

Senior Software Engineer

Portugal - Tests: 3 - Portfolio: 3

I'm a self-motivated, product developer, world changer, 30 year-old portuguese software engineer, wanting to put technology as people's servant. I have 10+ years of experience and developed projects in Microsoft and also open source technologies. I adapt easily between languages (worked in java, C#, sql, python, php, objective-c) and technologies (.net framework, java virtual machine). Normally, I love to hit deadlines. If I cannot, I enjoy opened communication and love to give my client feedback and explain what was done, what needs to be done and when.

$40.00 /hr
71 hours

Jeffrey C.

Jeffrey C.

Test Automation (TestComplete) | Software QA

Malaysia - Tests: 7

For more than 3 years, I have worked as Software QA Engineer particularly in the field of Test Automation with TestComplete. I developed and maintained Automation Framework consisting of the base, namemappping and common tools and functionalities written in VBScript which form the core structure for the automated scripts to be developed and executed. I worked along with my team members to develop the automated test scripts from test cases and had them executed on daily basis in physical and virtual machines from which the test results were sent to a repository and subsequently distributed to relevant stakeholders. Test products are of various platforms: Delphi, .Net, C#, JSP, Foxpro; and of various domains: Accounting, Taxation, Corporate Compliance. Apart from doing automated testing, I do carry out Software QA work which includes test preparation, and test execution on the the above mentioned products. As my previous job experience encompass Software Development in various languages: Java, JSP, MS Access, and Accounting and Auditing, which I would describe below, these would come handy for software testing particularly where product and technical knowledge is required. Respectively I have 3 years work experience in Auditing and Accounting. In Accounting, I had done full set of accounts: General Ledgers, Account Receivable, Account Payable, Bank Reconciliation and prepared the monthly management accounts: Balance Sheet, Income Statement, Cash Flow Statement using Accounting softwares such as Peachtree, MYOB, and Quickbooks. On bank reconciliation, I improvised my own approach to save up more than 40% the time using conventional approach.

$15.00 /hr
1,079 hours

Ben A.

Ben A.

Ruby/Rails Developer

Germany - Tests: 4 - Portfolio: 3

Hi, I am senior ruby on rails developer. I have the experience with building web projects by using ruby on rails over 4 years. And I have already worked 2k+ hours in the upwork. My expertise fields are following: - Ruby/Rails - javascript/jQuery/Ajax(angular) - Html/CSS/Bootstrap/Twitter Boostrap - MySQL/PostgreSQL/SQLite/MongoDB Thanks

100% Job Success
$50.00 /hr
2,144 hours

Adam Daum

Adam Daum

Excel Reporting and Automation Expert

United States

I have a full time job, but I love solving problems, and I hope to one day be a full-time, independent consultant, so I'm looking for side projects :-) I've been using Excel for about 15 years. I graduated from Indiana University with a finance degree, and started work in financial services as a reporting analyst. Since then, I've worked in a variety of industries, including electronic payment, tech, and higher education, usually as an analyst, using a lot of SQL and Excel. More recently, I've been working on the IT side of things, as a systems analyst, and programmer, designing, developing, and testing Peoplesoft and Web applications. Some of my cooler Excel projects include: An Excel/VBA application to generate a tree import flat file for PeopleSoft; A MySQL/Excel macro-based auto-generated e-mail, sales report; and an Excel/VBA application to import several telecom usage files, re-rate them, and generate flat files for import into Peoplesoft. I'm Excel 2010 certified. Other experience and skills include: Advanced SQL, Python for data analysis, Javascript and HTML, PeopleSoft Financials configuration, design, and development. Python Web application development with Django and Flask frameworks; AngularJS; .NET technologies, including C#, SQL Server, LINQ, SSIS, WebServices, WebForms.

$55.56 /hr
0 hours