C Developers & Programmers

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Upwork C Jobs Completed Quarterly

On average, 169 C projects are completed every quarter on Upwork.

169

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Average C Freelancer Feedback Score

C Upwork freelancers typically receive a client rating of 4.71.

4.71
Last updated: May 1, 2015
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  1. Jason Owens

    Jason Owens

    Research & Development Engineer

    United States - Last active: 4 days ago - Tests: 4 - Portfolio: 10

    My background includes over seven years of electronics design experience and 10+ years of software design. My field of expertise includes high speed digital pulse controller design, automated test systems and software, 3D CAD/CAM modeling (I am CSWA Certified), wireless sensors and data acquisition, and Finite Element Electromagnetic analysis. I received a B.S. in Electrical Engineering and a B.S. in Computer Science Engineering from the University of Toledo in 2012, and founded my company, Resonance Group, ltd., as the first student entrepreneur from the University of Toledo, department of Electrical Engineering in 2009. My previous work includes the design of an optics communication bridge for a marine inductive optical connector (MIOC) at the Battelle Memorial Institute, and the design of data collection and management software for the University of Toledo Physics Department for solar photovoltaics research. I have a full-service electronics lab with equipment to prototype and test new designs. I work with enterprising individuals, as well as more established companies, who are interested in developing new, innovative products, without having to invest in R&D staff and equipment.

    $55.56 /hr
    42 hours
    0.00
  2. Thijs Sillen

    Thijs Sillen

    Embedded System Designer

    Netherlands - Last active: 4 days ago - Tests: 1 - Portfolio: 6

    Hello. My name is Thijs from the Netherlands. I have designed various electronic and mechanical prototypes for customers. With an in house 3D printer, 3 axis cnc machine and a stencil cutting machine I can do most of the prototyping in house saving you the customer money. My specialty is Ultra low power design using Texas Instrument or Cypress technology system on chip devices. (E.g. Energy harvesting) And fast prototyping using Cypress PSOC 4/5LP chips. Some projects that i have realized are: -TI CC110L Ultra low power 433Mhz rf transceiver board. -A controller board for a smal UAV -PCB and software design of a small Reflow oven controller -Relay controller board -And much more The software that I mainly use is: -Altium Designer 14.x -Solidworks CAD for modelling 3D parts. -Autodesk Fusion 360 CAD for modelling 3D parts. -Microsoft visual studio C# to make custom WPF applications to test / interface with designs. -QT to make cross platform compatible graphical applications to test / interface with designs. -Autodesk Fusion 360 CAM for generating code for the CNC machine -BobCam for Solidworks V2 for generating code for the CNC machine -Cura for 3D printing parts Prototyping / lab equipment that I have: -Ultimaker 2 3D printer -FS4MG LANG CNC machine -Rigol DS2000 Full option oscilloscope (300Mhz) -Rigol DM3058 5 1/2 digit bench DMM -Agilent U8001A bench power supply -Peaktech 1890 bench power supply -Wavetek 180 function generator -Saleae logic analyzer -JBC CD-2BB professional soldering iron -Aoyue 968 solder reflow station -Solder reflow oven -Solder paste dispenser -Siemens voltage reference -DMM check plus reference -Microscope for pcb inspection ... Related subjects that I have experience with: -TI Bluetooth low energy chips -TI CC2000 BLDC motor driver -Thermocouple / RTD interfacing -Mains power connected devices -Raspberry pi development -Arduino development -Linux application development

    $37.62 /hr
    252 hours
    0.00
  3. Gerard O.

    Gerard O.

    ,CAD, Design Engineering

    United Kingdom - Last active: 1 month ago - Portfolio: 1

    Hi . I have extensive CAD/CAM experience using fully licensed and supported Solidworks, for 2D detailing, Rendering, 3D modeling, and manufacturing file output including 2D drawings to BS8888. Design and Design for manufacture experience spanning 40 years, Rapid prototyping, Machine shop, Injection moulding, Casting, Optical. I also have a small machine shop to manufacture prototypes and tooling. Customers include Imperial College London. Span Access Solutions Ltd, helping design there product range, and scheme drawings used on bridges and recently the Queen Elisabeth Aircraft Carrier. Customers also include multinationals CVI Melles Griot, Umicore and Spanoptic. Regards. Gerry.

    $37.00 /hr
    0 hours
    0.00
  4. Tim McGraw

    Tim McGraw

    R&D Software Engineer

    United States - Last active: 08/12/2013 - Tests: 3 - Portfolio: 1

    A computer graphics developer and software engineer with experience in the games industry and additional background in scientific visualization and image processing. Extremely fluent in C/C++, OpenGL and glsl.

    $58.89 /hr
    0 hours
    0.00
  5. Daniela Zang

    Daniela Zang

    Scientific Writing / English / Portuguese / LaTeX

    Germany - Last active: 17 days ago - Tests: 6 - Portfolio: 2

    I am a detail-oriented person able to provide you with high quality scientific texts in English and Portuguese. As a PhD in Physics with experience in both theoretical and experimental physics, programming languages and LaTeX typesetting, my specialities are: - Science, technology and IT related content; - English-Portuguese technical translations; - Mathematical typesetting in LaTeX; - Proofreading of scientific texts.

    $15.00 /hr
    0 hours
    0.00
  6. Oktay Radzhabov

    Oktay Radzhabov

    Senior Software Engineer

    Ukraine - Last active: 4 days ago - Tests: 1 - Portfolio: 13

    Do not hire me if you do not sure that your project should be done perfectly. I have 10+ years experience of software development. Products in development which I have participated are used in more than 20 major global companies, leaders of various business areas, such as the aviation industry, underwater acoustics, the book production, light industry, etc. Success is ensured not only by an extensive list of knowledge and experience in a wide range of different business areas, but most importantly - Liability for the assumed engagements. If I think that in a some matter will not be done completely successfully I will decide to not join in the debate about its feasibility. But if I believe that able to solve a problem, than I can confidently guarantee to the solution quality (by the cost of my reputation). Key areas of expertise: · Client-Server Applications Development · Multi-threading Programming · Software Recoding · 3d modeling Conceptual knowledge: · Object-Oriented Programming · Software Engineering Concepts And Methodologies · Design Patterns · Database Design Concepts · Usibility Of Graphical User Interface Platforms: · All Windows · Linux Languages, Tools and Technologies: ASM, C/C++, PHP, Python, JavaScript, MFC, COM/ATL/WTL, STL, Qt, Loki, KDevelop, HTTP, XML, HTML, CGI, DirectX(HLSL), OpenGL(GLSL)

    $33.33 /hr
    0 hours
    0.00
  7. Pezhman Zarifian

    Pezhman Zarifian

    Aerospace Engineer and Data Analyst

    United States - Last active: 1 month ago - Portfolio: 2

    Pez Zarifian is a Systems Engineer in the Jet Propulsion Laboratory (JPL), a branch of NASA in Pasadena, specializing in robotic exploration of the Solar System. Prior to joining JPL, Pez held a part-time position at University of Southern California's Information Sciences Institute (USC-ISI) where he played an active role in the design, hands-on manufacturing, and management of a number of aerospace engineering-related projects. Pez has been a part of JPL's concurrent engineering team, Team X, from 2009 until present. Since then, he has been involved with early design and architecture of a number of interplanetary exploration concepts as well as contributed to hardware and ground software development of a number of JPL's small flight projects. Pez has a passion for analyzing datasets and data-driven project management and decision making. Pez is proficient in MATLAB and Excel/VBA as well as a variety of other tools and languages including SolidWorks, LabView, C, Python, and XHTML. Pez graduated with a B.S. in Aerospace Engineering and a M.S. in Astronautical Engineering from the University of Southern California in Los Angeles, USA.

    $28.00 /hr
    0 hours
    0.00
  8. Danny Kurniawan

    Danny Kurniawan

    Software Developer

    Indonesia - Last active: 9 days ago - Tests: 6 - Portfolio: 6

    10+ years experienced Delphi/Pascal programmer, having skills and strong knowledge in cross-computer-programming-language between C, C++, and Pascal/Delphi/FreePascal/Lazarus, VB, PHP. Has ability to handle x86 assembly language to handle speed-priority applications computations and able to integrate into Delphi, C, or C++ inline codes. Able to handle most of common Business Applications as well as handles most Database Servers, and has strong SQL analysis. Has specialty in developing components and any other reusable codes for future project development. Able to handle most programming environments including Delphi, Lazarus/FreePascal, XCode (ObjC), MSVB, Qt, GCC. Database includes MySQL, PostgreSQL, SQLite, MSSQL, Oracle, MSSQL, Access, Paradox, Firebird. Handles programming for Windows, Linux, iOS.

    $16.67 /hr
    0 hours
    0.00
  9. Mihai Cristian Dumbravă

    Mihai Cristian Dumbravă

    Mechanical engineer

    Romania - Last active: 09/20/2014 - Tests: 1 - Portfolio: 10

    Now I work as mechanical engineer (16 years of experience) - 3D CAD Designer machines and devices (in SolidWorks) and my background in this field is about 9 years. I worked also as a chief for an assembling shop 2 years, then as an engineer in Quality Inspection for almost 2 years. And I am ready for new challenges...

    $12.22 /hr
    0 hours
    0.00