C developer to rewrite PDF library


We are looking for a freelancer that can take an existing PDF library written in C and create a complete rewrite of it. The main purpose of the library is to read/write/render PDF files. It converts PDF to images, and supports many PDF 1.7 standard functionality, like hyperlinks, annotation support, form filling, encryption, search, outline etc.

The process will be in close collaboration with us. We will set up a GIT repo where you can work, and a task management system for all communication, tasks and bug reporting. It is important that you commit changes to the repo daily, so we can closely follow your progress.

We need a fixed price for this assignment.

What we require of you:

We expect a direct contact with a fluent English developer. Only candidates with a proven record of accomplishment and references to former work within the needed technical skillset will be taken into consideration.

We reserve the right not to answer candidates who we believe does not have the required skillset. We strongly advise you not to contact us multiple times if no answer has been given.

No bureaus should sign us for a newsletter or register us within a CRM system, as this will be considered SPAM.

An NDA must be signed prior to starting the project

Technical required skillset:

- Expert level of C programming (you must have the C Programming - Level 1 exam)

- You enjoy performance optimizing your work

- Deep knowledge level of the PDF standard (fonts, forms, annotations, encryption, encoding etc.)

- Great knowledge of open source libs like: jbig2dec, freetype2, openjpeg, curl

Link to PDF lib: [url removed, login to view]

Skills: C Programming, Engineering, PDF, Software Architecture, Software Testing

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Project ID: #5375649

8 freelancers are bidding on average $4657 for this job


I have worked on many c++ projects. Please check my feedback and portfolio. I have done awesome work in the past. I can deliver you project in a week or 2 weeks maximum.. Please let me know when i can start.

$4500 USD in 30 days
(68 Reviews)

I have done similar project earlier and ready to help you out in it. I am not asking for ANY UPFRONT Money, pay me when you are satisfied with the progress.

$3092 USD in 30 days
(19 Reviews)

I am very proficient in c, c++. I have 15 years c++ developing experience now, and I have worked for 5 years. My work is online game developing, and mainly focus on server side, the lauguage is c++ under linux os. So, More

$6111 USD in 30 days
(31 Reviews)

Hi Dear Thanks for your great job I've just read your job posting carefully. I'm a talented C and C++ programer and Expecially I've developed Open DB MySQL, MariaDB for years using C. I want to discuss more More

$3092 USD in 15 days
(1 Review)

Hello. I accept your request. - Expert level of C programming (you must have the C Programming - Level 1 exam) - You enjoy performance optimizing your work - Deep knowledge level of the PDF standard (fonts, forms More

$3500 USD in 30 days
(2 Reviews)

Hi. I am a professional Engineer having strong skills in programming especially in C language. Hands on experience in writing codes.

$7777 USD in 30 days
(2 Reviews)

Hello, I have 10+ years of experience in software development with C/C++/Java. In fact, I don't have work experience on PDF, but I'm curious to learn new things. Regards

$4444 USD in 150 days
(0 Reviews)

Hi, we have extensive experience in building solutions around latest technologies. We have much experience in building solutions in enterprise space as well. Due to NDA constraints we cannot list out projects here, how More

$4736 USD in 60 days
(0 Reviews)