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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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Last updated: October 1, 2015
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Niels Haering

Computer vision and machine learning R&D

United States - Tests: 1

I am a computer vision expert with a PhD in automated video analysis. I have a proud record of developing robust computer vision and machine learning solutions, and draw on 19 years of R&D, and management experience in automated video analysis: * scene analysis, * background modeling, * motion estimation, * camera calibration, * automatic geo-registration, * object detection, tracking, and classification, * event detection, * context and model learning: supervised, unsupervised and semi-supervised Large recent projects * bridged the semantic gap between RGB pixels and textual content summaries of video content, * integrated visual data with GIS and web resources to automatically geo-locate images, * developed and field tested autonomous rapidly-deployable video analysis nodes, comprising 11MP cameras, WiFi/3G/4G, low-power Intel PC board, Li-ion batteries, that operate indefinitely powered by a 60W flexible solar charger, and * visually estimate heart rate from webcams I'm happy to review your project and help you size your work

$111.11 /hr
334 hours

Ali Shabdar

Ali Shabdar Agency Contractor

Business and Technology Consultant

Canada - Tests: 2 - Portfolio: 1

Based in Vancouver, I offer professional advice and deliver optimum information solutions for your organization. I analyze and map your business processes, improve their efficiency, and translate business requirements into viable solutions. I also provide you with clear and concise documentation and help you with the development, configuration, and training processes. As a full-stack engineer I will deliver full-fledged mobile and web applications, supervise a team of designers and developers, and ensure the end-product meets all the requirements. Let's not forget about customer engagement and satisfaction, which is paramount in my work. I have held training sessions and seminars on SaaS and Cloud-Computing, and published an exhaustive book on Zoho suite. Consulting to SMBs on leveraging the power of Clouds my mandate. Let's have a chat about your project. The first hour is on me. You won't be disappointed.

Associated with: Cloudicious Information Systems

$50.00 /hr
1 hours

Huma A.


Pakistan - Tests: 3 - Portfolio: 4

I am skilled and experienced in the following technologies: - Python: Flask | Django | Scrapy | Beautiful Soup | - JavaScript: jQuery | jQuery UI | Twitter Bootstrap | Databtables | Raphael JS | more - MVC 3 - C#.NET: Entity Framework My skill set is cumulative and has been goal-oriented. I have taught myself whatever was needed to get the job done. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.

$14.00 /hr
0 hours

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

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