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Algorithms Upwork freelancers typically receive a client rating of 4.82.

Last updated: October 1, 2015
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Vlad S.

Vlad S.

Android and C++ programmer

Belarus - Tests: 4

I am a student who is very passionate about programming. I really love algorithms and c++ - these are my favorite. I took part in many different programming contests in high school, so I have good knowledge of different algorithms. I can program a c++ application, a simple website or an android application. And, by the way, I am quite good at helping students with their courses too. Also, although English is not my first language, I love it very much. I read books in English and volunteer as a translator of free online courses. If you need a programmer or a translator - I would be glad to help! P.s. 1 week warranty: If you hire me, and you find a fault in my job within a week after its submission, I guarantee that I will fix whatever problem you may have for free!

$3.00 /hr
0 hours

Eduard Bagrov

Eduard Bagrov Agency Contractor

C/C++/C sharp/PHP/HTML/MySql/SQL Senior Software Developer

Armenia - Tests: 7 - Portfolio: 3

I'm Senior Software Developer with 7+ years experience. What I usually do: 1) Scraping projects 2) Embedded programming 3) Kernel module programming 4) Unit testing (cunit, Nunit) 5) Desktop and Web applications development 6) Java Android games development Languages: C/C++ (X11, STL, GTK+) C#, Java Android Phyton PHP, HTML MSSQL, MySql

Associated with: SYP

$22.22 /hr
206 hours

Singularis Lab

Singularis Lab Agency Contractor

Software devolpment, computer vision and robotics

Russia - Portfolio: 10

Our company is a team of the software developers and technical specialists. The major areas of our company operation are the following: • Business automation (for both management and production processes), solution development (desktop, Web, complex solutions) for enterprises and end users; • Science-based and research projects in the area of mathematical modelling, computer graphics, image processing, high-performance computing and artificial intelligence; • Applications for mobile devices; • Utilities and components. Our company has developed a vast geography of Clients and Partners, and there has been a long-term cooperation established with the majority of them. Since July 2010 our company has partnered with Microsoft (Microsoft Partner Network). Besides that, some of our team members belong to prestigious associations, such as ACM and AAAI. Our team higher qualifications are supported with the staff professional degrees (PhDs and Masters in Computer science).

Associated with: Singularis Lab Ltd.

92% Job Success
$35.00 /hr
634 hours

Carlos Feitosa

$35.00 /hr
218 hours

Sergey V.

Sergey V. Agency Contractor

Full-stack Backbone/Angular/Node/Laravel

Croatia - Tests: 12 - Portfolio: 2

As a Full-Stack Developer with 15+ years of experience in related fields, I specialize in front-end development and software architecture. It means that I have a familiarity with each layer of development and a commitment to gaining expertise in all software technology. You can read more about it here: In my case, I enjoy working with small businesses and individual decision makers to provide architectural and custom business solutions that help my clients resolve mission-critical problems, grow their business, and improve their revenue stream and profitability. My skill sets include: Frontend skills: * MVC Frameworks: Angular.js, Backbone.js, Require.js; * Javascript (including ecmascript 5), jquery, ajax; * HTML5 (audio, video, canvas, geolocation, localstorage), css3; * Adaptive layouts/frameworks - Bootstrap, skeleton, 960gs; Backend skills: * PHP, javascript/node.js; * Ruby/Django on templating level; Databases: * Relational: Mysql, MSsql, PostgreSQL, Oracle; * NoSQL: MongoDB, Redis, Memcache, Couchdb; Knowledge of PHP Frameworks/CMS: * Laravel; * Wordpress; * Drupal; A multilingual professional who has worked with clients from around the globe, I am deeply involved in all my projects from start to finish. I listen to my clients attentively and provide them a vision for what they want, and then I collaborate with them to create and execute a plan of action. I continuously provide my clients with the pros and cons on each choice they make and convey my recommendations for their selections. I can fully assure you that actualizing your technical goals is my number one objective. I am 100% committed to maintaining my 5-star ranking. To me, anything less than full and complete customer satisfaction is unacceptable.

Groups: Coding Champs, Upwork Verified Developers

Associated with: Prospekt

100% Job Success
$99.66 /hr
2,339 hours

Haris O.

Haris O.

Mathematician interested in algorithms and statistics

Bosnia and Herzegovina - Tests: 7

Experienced c/c++ developer with strong mathematical skills Interested in statistics and algorithm development. I am a big sport fan and in a last few years I was mainly concentrated on DFS (daily fantasy sports) algorithm development. Also, I'm experienced with virtualization concepts and I have professional experience with VMware/HyperV administration, scripting and development.

91% Job Success
$38.89 /hr
1,328 hours

Anura Bandara

Anura Bandara

Algorithms, TestComplete, Java,Matlab,C#,C, Math developer

Sri Lanka - Tests: 3 - Portfolio: 6

Developer, Patent writer, Math expert, MATLAB, C, C#, Java, C++, TestComplete I am an Electrical and Electronics Engineer(B.Sc,M.Sc)/ Programmer/Project Manager having development experience in MATLAB. Java. C, C++, C#, having sound knowledge in Algorithm Development, Mathematics and Physics. Furthermore I have Master's degree in computer science + more than 16 years of development experiences in C, C++, (C#, VB.Net), WPF, PHP, Java/Android and Python databases - MYSQL, MSSQL, etc I have a good experience in Bitcoin developments. Have used BitcoinJ, Bitcoin-Qt, Bitcoin Micro payments & Contracts, Bitcoin systems / Bitcoin Trading and Arbitrage bots etc. Have sound experience in TestComplete test Automation tool.


76% Job Success
$19.98 /hr
3,499 hours

Waldemar K.

R Programmer, Machine learning, algorithms, AI, data science

Poland - Tests: 2

Data analysis, data mining, time series, Kalman Filtering, learning methods, fuzzy time series, signal processing, probablistic models, evolutionary algorithms, genetic algorithms, neural networks, optimization, statistical methods. Interested in developing trading strategies, backtesting. Interested in forex trading, all betting strategies, ratings, algorithmic trading, machine learning algorithms applied in trading, pattern recognition, financial markets and analysis. And other projects which require mathematics and quantitative, analytical skills, knowledge of finance, investments, bond mathematics and interest rate models, portfolio analytics.

$19.99 /hr
58 hours

Artem Bogush

Artem Bogush

Full-stack Android/iOS Developer

United Kingdom - Tests: 4 - Portfolio: 13

Upwork VERIFIED --Upwork has recognized me as one of their top Mobile Developers. Hi, I'm passionate Android/iOS full stack mobile developer. I'm doing programming for more than 7 years. I have deep and versatile experience in Java language as well as Android development in which I'm enthusiastic expert for already more than 5 years. My another passion is Objective-C and iOS development where I've build a number of successful applications as well. I had an opportunity to be a part of highly experienced and motivated teams in such worldwide known companies as HTC, Apalon and EPAM. During my career I was involved in different aspects of application development. They include creating applications from scratch, developing complex and flexible architectures, maintaining and updating existing applications, creating complex UI which looks consistently across wide range of devices. Also working with mobile platforms during past years gave me experience of UX best practices to create smooth and user friendly solutions. I was also working with a number of various 3rd-party services and APIs integrating them in existing and new applications to extend required functionality. I'm experienced with OpenGL 3D graphics programming as well including both low level programming using underlying OpenGL API and high level approaches which involves using 3D engines. If you are looking for a reliable developer who cares about your project as his own and for someone who knows how to implement your idea in a stable and scalable way I'm glad to cooperate. I'm open to discuss the details so you can decide if I'm the right person you've been looking for.

Groups: Application Developers Alliance

100% Job Success
$56.00 /hr
963 hours

Marek Bogatek

Marek Bogatek

Fullstack developer with inclination towards non trivial problems

Poland - Tests: 9 - Portfolio: 1

I am a wizard. Seriously. I use rare combination of talent, skills and hard earned knowledge and experience to solve others' unsolvable problems. Wonders and miracles done immediately, impossible stuff with minor delay. Upwork is an opportunity to learn more and faster, and get myself involved in much more interesting, diverse projects that I would thought possible previously. Such cases were, for example, helping Panama based company OSOP with systems they use to predict (and provide warnings for) earthquakes in mid-America region; or a web crawling problem that was neglected by everyone passing through the Chegg Courserank project (creating the general solution for this took me to senior engineer position... and further, to team management); lately I was able to provide candidate and code reviews and design basic specifications for entirely novel software - and surely, such contracts showed up as well. You can see some of my previous private/hobby projects on github: ... and some social programmer activity at stackexchange sites under the same 'zencodism' login. So far, I've created numerous utilities and scripts (C / C++ / Python), a complex image manipulation and postproduction suite (C++ / asm / CUDA, worked on this as a member of a team), some visualisation software: for custom equipment (Java) and voice emotion recognition (Node.js), and a few web based projects (Python with Django, PHP, Perl, Groovy - working with a team on huge CRM system) including also long term contract regarding Java-based web scraping suite I both developed and managed the team involved. Further down the road I'm turning to web applications along with their server counterparts - everything from designing communication protocols with cryptography and some redundancy to a space simulation game I'm writing as a hobby. I can work in and administer various operating systems (Windows, Linux, *BSD, Solaris... this came in handy lately when web development job turned into disaster recovery of remote server), use several databases (mySQL, PL-SQL) and quite a few programming languages; even created one myself, just for fun. What will be next, may be up to you. Feel invited.

100% Job Success
$34.00 /hr
2,352 hours