I need an blockchain developer for a project immediatley.

Will be rewarded on per hour basis for your skill , speed and solutions !


1. Replicate http://ethernote.hero...­ with a 3 smart contracts

2. Deploy Private Blockchain OR Use Public one.

3. Save the form as pdf

4. Optionally upload this pdf and other pdf documents to IPFS

5. Save the HASH into Blockchain

6. Verification UI

Tech Stack:

NodeJS, React, Ethereum and IPFS


Duration: 2 Weeks

Please send me your estimate

Compétences : Algorithme, Bitcoin, Cryptographie, PHP, Architecture Logicielle

Voir plus : upload documents bbpress, social network upload documents, rails secure upload documents, codeigniter upload documents, software write mq4, software write chip epson, useful software write book, iphone help wanted developer, software write web specs, magento developer image upload, codeigniter upload documents file, free software write user guide, software write edid, free software write company profile, software write websites idea, facebook developer image upload, software write book images, software write books, php mysql upload documents, aspnet upload documents sql, software write protection, free software write book, facebook developer file upload, software write book, upload documents sites

Concernant l'employeur :
( 0 commentaires ) Austria

N° du projet : #13064970

27 freelance font une offre moyenne de $1240 pour ce travail


Hi, Nice project you have there, let us help you with it! Our team is Russian-Canadian. We code in PHP. Check our recent projects here [url removed, login to view] Here’s a little video about our team too! ht Plus

1500 $ USD en 15 jours
(86 Commentaires)

Dear Sir, We have gone through the to do list of BLOCKCHAIN DEVELOPER WANTED. I am clear about the idea and concept of what you want to make. We are interested in establishing a professional relationship with you Plus

1184 $ USD en 20 jours
(156 Commentaires)

Dear Client , Hope you are doing fabulous there !! Just a small introduction, I'm Pitu, representing Infograins software solution Pvt Ltd,We are an India based company with an 8-year history of developing mobile Plus

1250 $ USD en 20 jours
(27 Commentaires)

Hello, I'm a professional programmer for web programming with php language to build the system website, Besides, I'm also expert in MySQL , HTML,HTML5,CSS, JS I'm always top in Vietnam freelancer [url removed, login to view] Plus

1333 $ USD en 30 jours
(230 Commentaires)

Hello, We have accomplished 90% of the project which is similar of your requirement. All we need 10% customization as per your requirement set and specifications. I want to discuss in personal chat in order to explore Plus

1546 $ USD en 35 jours
(49 Commentaires)

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1250 $ USD en 12 jours
(149 Commentaires)

I have 6+ years experience and I have done more then 50+ projects in my [url removed, login to view] note I am full feldged developers and work for 17 hours in a day.I am ready to start the project kindly open the private message box Plus

1186 $ USD en 20 jours
(63 Commentaires)

Hello, I want to show you all relevant Demo and Designs which is similar to your project completed previously. To make sure about the requirement set and customizations, I want to discuss this project with you further Plus

1443 $ USD en 20 jours
(19 Commentaires)

Hello, I have gone through your outsourced requirements "BLOCKCHAIN DEVELOPER WANTED" and have analyzed that I have right skills (Algorithm, Bitcoin, Cryptography, PHP, Software Architecture) to execute your estee Plus

1235 $ USD en 365 jours
(103 Commentaires)

Hello, We are happy to discuss our proposal with you. KEY POINTS THAT MAKE US DIFFER FROM OTHERS: ~ We have 5+ years of experiences in Unity 3D, Xcode, CoCoa 2d, Phonegap and major iOS and Android developement. ~ Plus

1500 $ USD en 20 jours
(54 Commentaires)

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1250 $ USD en 20 jours
(121 Commentaires)

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1250 $ USD en 20 jours
(111 Commentaires)

Hi there, I've read your project description and I am confident enough that I can handle this project according to your expectations. I have done similar projects before and I want to take over this project as well. If Plus

1118 $ USD en 12 jours
(27 Commentaires)

Hello My name is Pranav I have checked the details shared by you and will be done exactly as per your requirement please consider my bid so i can assist and we can proceed ahead i have completed more than 100 Plus

750 $ USD en 20 jours
(66 Commentaires)

Hi Sir, I can do this job right now, I have experience in Bitcoin and Blockchain, I believe that I can do it. Please contact me to discuss. Demo: [url removed, login to view] [url removed, login to view] Plus

1284 $ USD en 30 jours
(18 Commentaires)
1250 $ USD en 20 jours
(19 Commentaires)
1250 $ USD en 20 jours
(18 Commentaires)

Hello, we can build this for you. You can view some of our work and our site at [url removed, login to view] All of our prices include six months of free support to fix any bugs, assistance in getting th Plus

1300 $ USD en 20 jours
(7 Commentaires)

Dear Hiring Manager, I am Megha . I have 3 years of experience in specially Wordpress Drupal, Jquery, Ajax , Java Script , HTML , CSS , PHP/MySql , Adobe Photoshop , Website Development. I have read your requirem Plus

750 $ USD en 20 jours
(10 Commentaires)

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1444 $ USD en 7 jours
(0 Commentaires)