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Natural language processing Upwork freelancers typically receive a client rating of 4.86.

Last updated: October 1, 2015

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Paul R.

Paul R.

Perl programmer and API integration specialist

Ireland - Tests: 2

Experienced programmer and developer specializing in API integration, web backends, file conversion, text and image processing, and desktop utilities. 18 years working in IT and publishing. Excellent communication skills. Deep understanding of complex data structures and algorithms. API Integration - Expert knowledge of API data formats and communication protocols: XML, JSON, Atom, HTTP, OAuth, REST, SOAP. - Ability to quickly comprehend API documentation. - Author of concise, well documented code that is secure, robust, modular and expandable. - Designer of functional and efficient web-based interfaces. File Conversion - Programmatically read, write and manipulate many common file formats, converting from one to the other: Excel, PDF, bitmap and vector images, HTML, XML, SVG, Illustrator, shapefiles, email message formats. Text and Image Processing - Tools to parse and analyze text: stemming, inflection, n-grams, categorize, summarize, search indexing. - Tools to manipulate images: crop, resize, scale, reduce file size, montage, animate. Desktop Utilities - All of the above as simple to use, one click desktop applications.

100% Job Success
$38.89 /hr
67 hours

Petr Novak

Petr Novak

Programmer, server administrator, translator

Belgium - Tests: 15 - Portfolio: 1

I've studied Computer Networks and Communications together with Artificial Intelligence/Natural Language Processing at Masaryk University in the Czech Republic. I have experience in Server Administration for various linux distribution (mainly Red Hat Enterprise Linux, Arch Linux, and Debian), Plesk Panel, Linux/UNIX scripting, Raspberry PI. I enjoy programming in C, C++, Java, Prolog, Perl and Python. I have plenty of experience with creating web applications with PHP, MySQL, javascript, Angular JS, jQuery, HTML(5), XML. I like to typeset in LaTeX. And from time to time I perform English-Czech and Czech-English translation. Should you have any question concerning my ability to perform a certain task, please contact me.

100% Job Success
$30.00 /hr
16 hours

Abdulfattah S.

Abdulfattah S.

Software Engineer

Palestinian Territories

I'm holding a degree in Electrical Engineering and Computer Science and have been working as Software Engineer for about 5 years. As a QA Engineer, my tasks include: Requirement Review, Test planning, Writing test cases and required test documents, evaluating automation testing tools, develop automated test cases using TestComplete, batch script and Perl, executing manual and automation testcases, reporting defects and providing test summary. My experience in TestComplete includes: Adopting test cases structure, Adopting log structure, Creating test framework, Implementing test cases, running test cases using both TestComplete JScript) and TestExecute, Providing test report then Porting test cases for the successive product releases (and builds). In addition of using TestComplete as a FE tool, I've using scripts such as Perl and batch as BE tools. My current plan is to be a Certified TestComplete QA Engineer. As a Software developer, I worked on developing applications with CLI using C and C++. Also developing desktop applications using Java. Perl and Java are the languages I have been using in language related, NLP , predictive model and data analysis applications. In addition of that, I have good experience in building installers using Installshield and IsPack.

$16.67 /hr
0 hours

Harshal Patni

Semantic Web/NLP Expert

India - Tests: 1

Over the last 5 years, I have applied Semantic Web technologies/NLP to various domains such as Healthcare, Sensors, Linked Open Data Cloud and research. Proven track record in solving real-world business problems and applying semantic technologies to non-semantic-tech projects. My work and related recommendations can be found on my linkedin profile at . Key Technologies - OWL, Ontology, RDF, SPARQL, Linked Data, Ontology Engineering/Development, Healthcare-Semantics, NLP, GATE, UIMA.

88% Job Success
$33.33 /hr
191 hours

Roman Petrovschi

Roman Petrovschi Agency Contractor

AI Devel


Our software engineers are developing code since 2000 having experience in several IT fields: * Professional Web Scrapping * Adaptive and Intelligent Web Crawling/Web Data Mining/Web Robots * Natural Language Processing * Artificial Intelligence and Machine Learning * Developing of Trading Platforms and trading software, backtesting engines, financial communication protocols * Professional AntiVirus developing & Malware research * PHP WebSites development/SQL-based Database management Systems/Joomla Our mainly used programming languages are: * Python(2x, 3x) * C/C++ (Qt) * Perl(5x) * PHP 4/5 * Assembly Languages * Delphi/Pascal * JavaScript * Groovy/Java * SQL (MySQL, PostgreSQL, MSSQL, Oracle, SQLLite) Our experience include: * Natural Language Parsing (English) and semantic interpretation(Stanford Parser/NLTK, WordNet, semantic disambiguiation). * Machine Learning and Artificial Intelligence (Classifiers such as Neural Nets, Support Vector Machines, Regressions, Decision Trees, Random Forests) * Web Scrapping/Crawling, Intelligent, adaptive, evolutive robots. * Developing of Trading Platforms, trading software, backtesting engines, financial communication protocols such as FIX, ITCH, ITTO * Malware, spyware, riskware reverse engineering and classification, w Writing of malware descriptions and detailed disinfection instructions, Knowledge of anti-malware policies and antivirus development.

Associated with: AIDevel

$48.00 /hr
0 hours

Vineeth Mohan

Vineeth Mohan

Data scientist

India - Tests: 1

Auther of the book Elasticsearch blueprints - Elasticsearch certified trainer who have conducted trainer for number of MNC’s like microsoft , flipkart , cisco and philips Live project – Stackoverflow - Stackoverflow Careers - Linkedin - Github - Career (Experience –75 years) • Architect/Data scientist at Algotree Research private limited (June 2011 to Present) • Software Engineer at Yahoo! India (March 2009 – May 2011) • Internship as Service engineer at Yahoo!India (May 2008 – to February 2009) Career highlights and honors received ● End to end design and management of Newsmills from inception to completion. ● Knowledge acquisition and adoption of various open source tools and technologies ( Mahout , Elasticsearch , Opengamma , cleo , Rstudio-server , D3 js , Twitter Bootstrap) to meet the requirements of the management. ● Spot bonus award at yahoo ● Various appreciation awards from coworkers – yahoo ● Chairman of MACS(Model engineering college association of computer science students) – 2008 , various inter collage technical competition awards at collage. Behavioral Competencies ● Clear in-depth conceptual clarity on the subject along with knowledge gathering skills. ● Self-motivated and can work with less or no management. ● Passion to adopt the best suited technology and attain the best performance. ● Clearly sets the boundary between code quality and business deliverables. Technical Skills ● Languages: ● Application level languages – Java ● Machine learning tool – Mahout ● Statistical languages - R ● Scripting – Perl, Shell , Awk , Sed ● Web technologies – HTML,Javascript ,CSS , jQuery , Bootstrap. ● Expert in Technology and Tools : Elasticsearch , Lucene , Opengamma , Cleo. ● Systems: Unix Operating System (LINUX – Ubuntu , Debian , Red Hat) ● Strong computer fundamentals in Data Structures and Algorithms, automata languages and computation.

50% Job Success
$34.00 /hr
95 hours