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C++ (also known as C with Classes or C Plus Plus) is a general purpose programming language that adds object-oriented features, like classes, to the C programming language. A versatile intermediate-level language, it contains both high-level and low-level features and is a popular choice for device drivers and embedded software. On Upwork, the world’s largest online workplace, you’ll find C++ developers who can develop programs for businesses and professionals around the world.

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C++ Upwork freelancers typically receive a client rating of 4.70.

Last updated: October 1, 2015
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Jigarbhai Patel

Jigarbhai Patel

Expert Programmer, Algorithms Developer, Technical Writer

India - Tests: 3 - Portfolio: 10

"I believe in providing best quality services to my valuable clients." I have received the Bachelor of Engineering degree in Computer Engineering from Hemchandracharya North Gujarat University, Patan, Gujarat, India, in 2005 and the Master of Engineering degree in Computer Engineering from Dharmsingh Desai University, Nadiad, Gujarat, India, in 2008. My Part-time Ph.D. in Computer Engineering from Uka Tarsadia University, Surat, Gujarat, India, is pursuing since January 2013. My research interests include Artificial Intelligence, Computer Algorithms, Optimization, Machine Learning and Lean Manufacturing. I have excellent C/C++/C#/Java programming proficiency. I have one year experience of Programmer and Customer Support Engineer & seven years experience of Assistant Professor in reputed Engineering Colleges. I have successfully developed several projects in C/C++/C#/Java, guided 40 major projects of undergraduate students, 10 research projects of postgraduate students, published 7 research papers in international journals and attended 4 workshops & training programs organized by IIT Bombay & Nirma University. I have excellent proficiency to write high quality articles, blogs and e-books. I have effectively and efficiently solved the following combinatorial optimization problems by designing & implementing various algorithms such as A* search, brute-force-search, breadth-first-search, depth-first-search, branch-and-bound algorithm, hill climbing, greedy algorithm, genetic algorithm etc... in C/C++/C#/Java. 1. Workforce scheduling and routing problems 2. Capacitated vehicle routing problem with time windows 3. Mass transportation problem 4. Traveling salesman problem 5. Crew allocation & scheduling problem 6. Home health care problem 7. Job-shop scheduling problem 8. Tasks allocation problem 9. Packing problem 10. Cell formation problem 11. Machine layout problem 12. Cell layout problem 13. Circuit-satisfiability problem 14. Optimal earthing grid problem for substation earthing system design 15. Subset-sum problem etc… I have also developed projects of neural networks as follows. 1. I have trained perceptron for binary classification which can be used to predict whether a given car is a family car or not. 2. I have also trained perceptron for multiclass classification which can be used to classify the input into one of output classes namely car, human or dog. 3. I have also developed multi-layer feed-forward neural network to learn XOR function. I have taught various subjects at undergraduate & postgraduate level such as Microsoft Office, C, C++, Java, Artificial Intelligence, Computer Algorithms, Computer Graphics, Computer Network, Computer Communication & Networking and System Programming.

99% Job Success
$50.00 /hr
53 hours

Alexandra Oshmyanskaya

Alexandra Oshmyanskaya

Senior C++, Java, and Actionscript developer, ffmpeg engineer

Belarus - Tests: 2

Looking for contract full-time, short to medium duration work in the field of C++, Java and actionscript, prefer to work alone but may participate in customer's existing team. Have a good track record of completed project and multiple years of experience in corporate environment. Experience building continuous integration systems.

100% Job Success
$38.00 /hr
1,852 hours

Balkrishna Lachhimasyu

Balkrishna Lachhimasyu

Software Architect Developer

United States - Tests: 4

Java Spring MVC Ember JS, AJAX, jQuery RESTful Services SaaS based web application C/ C++ Desktop Application Realtime Application Windows API Programming Network Programming Various Instant Messaging Protocols Cryptography Implementation Research and POC C# Desktop/ Web Application MVC, REST Entity Framework Ruby on Rails

80% Job Success
$22.22 /hr
218 hours

Ilja Fursov

Ilja Fursov

SW Application Engineer

Estonia - Portfolio: 1

Master degree in Mechatronics (embedded control systems profile) with strong interest in programming. Currently working as SW Application Engineer in a big drives business company. Excellent team player. Works well as an individual, being able to solve different technical problems swiftly. Good communication skills. Eager to learn and improve current knowledge base. Highly interested in new technologies.

$11.11 /hr
0 hours

Narek Khachatryan

Narek Khachatryan

Experienced Digital and Analog-Mixed-Signal circuit designer.

Armenia - Tests: 4

I am Analog and Mixed Signal Engineer at SYNOPSYS Inc. company. Have a master degree in engineering. Have good experience in designing very large scale integrated circuits. I have took courses at Microsoft Innovation Center of .NET development and have appropriate certificates. I have participated in many competitions and hackathons in programming and have achieved prize places.

$35.00 /hr
0 hours

Khalifa N.

Khalifa N.

C,C++ / JAVA Computer Vision

France - Tests: 6

Through my short experience, I used to develop a wide range of websites and applications. I worked with PHP MySQL, HTML, CSS and JavaScript for web development. As well as java and Android for mobile devices, where my core competencies lies on, for application development. Actually I am seeking to begin with a start-up applications to start a professional carrier.

$11.11 /hr
0 hours

Chetan S.

Chetan S. Agency Contractor

Software Developer

India - Tests: 4

I have more than 7 years of commercial programming experience. During this period I've designed several Desktop, Web applications, Server and Embedded System applications using C/C++, Perl and Python. My current focus is Data Analysis, Recommender Systems and Machine Learning Algorithms. For the last 2 years I've gained strong experience in area of Big Data, Map-Reduce and Distributed Computations using such tools like Hadoop and Mahout Experiencing with Big Data, SPARK, MYSQL, NoSQL(MongoDB),Hadoop, Sqoop, Hive, Pig, Teg. Experiencing with writing Business Model and Business Plan.

Associated with: One Up Solutions

$11.00 /hr
27 hours

Carlos Jaimes

Carlos Jaimes

Web designer with experience in Ajax, CSS and HTML5

Venezuela - Tests: 3

Student in Computer Engineering, with expertise in: Programming Programming languages: C, C + +, C #, JAVA, PHP, Ajax and JavaScript. Object-oriented programming in Java and C + +. Database Handlers Used: Oracle, MySQL and PostgreSQL. Experience in Modeling and Data Base design. SQL Query Language and PL / SQL. Networks Handlers Used: Cisco Packet Tracer and Wireshark NeoTracePro. Network Planning and Design, calculation of Sub-Networks, Network Masks and IP Addresses. Configuration and Implementation of Routing Protocols. Laboring with experience in: Web Design Management Database: PostgreSQL, MySQL and Oracle ERP Implementation and support and service networks. CISCO CCNA Certification.

$30.00 /hr
51 hours

Nikolaj Van Omme

Nikolaj Van Omme

Expert Mathematical Modeller and Optimization Specialist


Hi there, My name is Nikolaj and I'm a passionate problem solver. My background is both in mathematics (MD in pure maths, PhD in applied maths) and computer science (MD in computer science) and I have over 15 years of programming experience. My speciality in optimization is Arc Routing. I love to create complex algorithm and solve "impossible" problems. My computer science skills are not only theoretical (algorithm analysis, algorithm creation, heuristics tuning) but also practical. I have worked on several (big) industrial projects. Let me shortly present one success story. Challenge: Optimize the traffic lights for a city of the size of Brussels. The idea was to coordinate intelligent traffic lights to minimize the total travel time of the users. I had the pleasure to supervize a team of two and we managed to reduce the total waiting time by 30%. In my PhD thesis, I defined a new optimization problem (The Cumulative Chinese Postman Problem), studied its complexity, proposed 8 different models (out of 20!) and studied their relative strengths both theoretically and experimentally. The algorithms that I have developed were 2 to 133 faster than the state of the art solver at the time (2011). In short, I'm a perfectionist that enjoys solving complex problems.

$90.00 /hr
0 hours

Nikolay C.

Nikolay C.

Brainbench certified JSE/JEE dev, DB dev, Sys-Arch

Ukraine - Tests: 2 - Portfolio: 11

Would you like to find a powerful Java-dev? If so, please read further... 1. Intentions I'm working as a free-lancer more than 2 years already, and worked > 12 years in scientific and software engineering areas. I'm here because I'm looking worldwide for interesting work related to software development using the following technologies (some or all): - Java 5/6/7 (JSE, Swing, CORBA, Web Services, etc.) - JEE5/6 (EJB3, JSF, Hibernate, etc.) - GWT, Spring, Struts, etc. - And other JSE/JEE-related frameworks - GlassFish, Tomcat, JBoss, Jetty, etc. - JME (CLDC 1.1, MIDP 2.0) and Android - Maven, Ant, etc. - Oracle, MySQL, PostgreSQL and other DBMS - Some sub-tasks could be related to C/C++ with STL (but NOT the whole project!) - UML and/or Agile Modeling - Well-organized Agile processes - Etc. It would be nice to be involved into software concepts and architecture development. Also it would be nice to have possibilities for applying my initiative and creativity. I'm ready to work as a free-lancer for the beginning up to 40+ hours per week), and you may hire me as a full-time employee as well. I'm ready to move mostly to any country or city. In such case I'm ready to start as a developer (or senior developer), but with possibility to grow up to TL, and further up to SA or PM (of course, starting from TL or SA would be nice). 2. Education - University Master Degree in the area of Informatics and Computer Systems 3. General Skills I have a wide working and scientific experience with dozens of technologies (> 14 years). The most deep experience I have with the following techs: - JSE5/6 and J2SE (Java Core, Multithreading, AWT, Java2D, Swing, CORBA, WebServices, Networking, etc.) - since 1998 - JEE5 (EJB3, Hibernate3, JSF, CometD, Jetty, Tomcat, JBoss, GlassFish) - about of 5 years - J2ME (CLDC 1.1, MIDP 2.0, WMA) - about a year - Other Java techs (Jakarta Commons, Log4J, Velocity, Maven, Ant, etc.) - many years - Android development (support about 0.5 years) - C/C++ and STL - since 1995 (STL from 2001) - Oracle 9i/10g, MySQL, PostgreSQL, InterBase - since 2000 - OOA/OOD/OOP and UML Modeling - since 1995 (UML from 2001) Large experience with the following platforms and tools: - Windows - since 1995 - Linux/UNIX - since 1997 - MS Office (incl. Visio and Project) and Star/OpenOffice - since 1997 - IntelliJ IDEA, NetBeans, Eclipse - since 2001 - C++Builder and Delphi - since 2000 - PL/SQL Developer - since 2005 - Enterprise Architect and other UML tools (Rational Rose, Poseidon, etc.) - since 2001 Git, SVN and CVS - since 2001 Management Skills - since 2004 (worked on TL and PM positions) Architect Skills - since 2000 (designing concepts, business models and architectures for quite complex scientific, B2C and B2B applications) Language Skills: - Russian - native - English - fluent, working language since 2001, ~1000 pages of docs written - German - intermediate (quite fluent, but non-perfect) - Ukrainian - can understand in 100%, cannot speak/write fluently 4. Contacts - You can contact me via oDesk. Usually online (GMT): - 10:00am - 5:00pm - 7:00pm - 10:00pm

$40.00 /hr
15,057 hours