Best Json Freelancers for Hire

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We found 239 Json Freelancers for Hire. Post a job for free and hire a freelancer with the skills and reputation to get your task completed.

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Adan Cui

Senior Blockchain Engineer USA, Miami
Average Review
2 reviews
Reputation 
63
1 job completed

Skills

About me

I am an experienced & talented & enthusiast developer interested in building usable, useful, well-constructed Blockchain & NFT projects. Proficient at performing well as working in a group or independently in a fast- paced setting. Deep understanding of distributed ledger, blockchain safety, blockchain design principles, and various blockchain protocols and environments. I am interested in continuation of learning and cooperation with excellent people.

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50 USD/hour
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Enzo B.

Flutter - Dart - Java - Kotlin - Swift Canada, Vancouver
Average Review
1 review
Reputation 
53
1 job completed

Skills

About me

Greetings! I'm an Expert Flutter and Mobile Applications developer, with 5 years of experience. I've started with Native Android (Java, Kotlin) and Xamarin for Android, then switch to Flutter!. I can develop the high-quality Hybrid Flutter iOS and Android from scratch using different features as per requirements. Not only that, but I can convert XD, Figma, PSD, Sketch designs in Flutter. Furthermore, I am following structured programming patterns in flutter code to refactor or re-use the code in future! I worked on apps having: Web services Material Design Real-time DB Google Maps Location APIs Custom Widgets Localization - RTL Direction Social Media Integrations AdMob Integration Audio and Video Player and many other functionalities.

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30 USD/hour
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Alina Anfilova

Ukraine, Kyiv
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0 reviews
Reputation 
32
0 jobs completed

Skills

About me

Math & Computer Science Expert with over 15 years of experience in financial and business analytics. I have a Master’s degree in Mathematics and IT spheres. In addition, I have 2+ years of experience with proficiency in NFT Marketplace, Smart Contract Development, and Blockchain Development. I evaluate, develop and maintain blockchain and Cryptocurrency related products. My expertise is in NFT Marketplace Development and Smart Contracts. I have completed thousands of varied tasks and have an immense skill set. I am hard-working and efficient. I will provide exemplary work with quick turnaround times.

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45 USD/hour
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Khizar Ahmed

Average Review
1 review
Reputation 
30
1 job completed

Skills

About me

Hello! My name is Khizar Ahmed and I am an avid software developer with a passion for using programming languages like Python and Go to create innovative solutions. In addition to my development skills, I also have experience with ethical hacking and pentesting, which allows me to understand and anticipate potential security vulnerabilities in my projects. I am constantly seeking to improve my skills and stay up-to-date with the latest technologies and techniques in the industry. .

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15 USD/hour
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Franciszek Borowiec

Average Review
0 reviews
Reputation 
26
0 jobs completed

Skills

About me

I am a software developer specialized in the cryptocurrency algorithmic trading field. The projects I worked on include: creation of multiple trading bots (arbitrage, Pancake Swap, technical analysis), statistical analysis, creation of trading strategies, data mining, data visualization, web scraping. Writing code to automate cryptocurrency trading strategies is what I am passionate about, and Python is my tool of choice. I graduated with a Master's degree in Control Engineering and Robotics, and I have more than 6 years of programming experience. Firstly working for Fiat Chrysler Automobiles and BMW on self-driving cars for 4 years, and now working with cryptocurrency markets since 2020. I am actively trading through the bull and bear markets. I work with a maximum of 2 clients at a time instead of working for multiple clients. If you have a specific question about your project, please do not hesitate to contact me to discuss it together.

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50 USD/hour
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adam unic

blockchain developer 
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0 reviews
Reputation 
25
0 jobs completed

Skills

About me

We are a blockchain development service team that provides organizations of any size and business domain with blockchain-powered distributed systems. Develop a new blockchain project from scratch or adjust existing solutions with the help of a reliable partner. We enable new blockchain possibilities for startups and drive the best approaches to implement blockchain solutions. Crypto and blockchain expert, since 2017. 4 years of experience with many different programing languages, this days mostly using Go, Python, Solidity, Web2 & Web3.

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50 USD/hour
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Fred lord

Average Review
0 reviews
Reputation 
24
0 jobs completed

Skills

About me

Hello everyone! I am a blockchain developer with 3+ years of experience. I have been building CEX / DEX system, Yield Farming System, NFT Marketplace, NFT Mint Engine, Powerful token contracts, ICO/IDO/IFO/ILO system. I can implement exactly what you want and also like to provide a good idea and assistance who wants to start business on the blockchain field. Please do not hesitate to contact me for your projects. Thanks!

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25 USD/hour
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Jamal Hubbard

Average Review
0 reviews
Reputation 
22
0 jobs completed

Skills

About me

I am an experienced freelancer with over 8 years of experience working in the JavaScript language and have perfected my skills. Lately, I’ve been focusing on React and React Native. I can build any project from the ground up and is known for writing well-designed, testable, and efficient code using best practices. I am a hardworking, responsible professional and can work by myself and in teams. My specialties include JavaScript/TypeScript, React/React Native, Next.js, Node.js, and many more.

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60 USD/hour
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Roger Roch

Web developer and Project manager 
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0 reviews
Reputation 
21
0 jobs completed

Skills

About me

I am a Web Developer based in Barcelona, Spain with more than 15 years of experience. I've been involved in a lot of projects (both Agile and Waterfall settings) as director of technology, developer, and project manager. Developed fully functional responsive prototypes based on Business Requirements. - Worked in both Agile and Waterfall settings. - Tested front-end code in multiple browsers to ensure cross-browser compatibility. - Maintained brand standards under company guidelines. - Consulted and documented UI best practices and code standards. - Participated in projects in all stages of the product life cycle. - Leveraged responsive web frameworks to consistently complete product deliverables ahead of schedule.

Rate

35 USD/hour
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Mathis Tressard

Average Review
0 reviews
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21
0 jobs completed

Skills

About me

Creative Developer with a passion for design, I create fully custom websites and web apps. Comfortable on creating user interfaces, I master the development from designs and I'm ready to work on all types of front-end projects. (Website, Portfolio, Blog, Landing Page, Web App, etc...) Interested in producing something new and distinctive, I am open to hearing all of your ideas for a project that reflects you and helps you stand out. Please do not hesitate to contact me.

Rate

40 USD/hour
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Ghazernfer Dev

Programming & Tech 
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0 reviews
Reputation 
20
0 jobs completed

Skills

About me

Hello, I am Ghazernfer By name, lives in East Timor, I am a Skillful and Professional Programmer and software Engineering with vast knowledge and year of working Experience so far in the field. I am Experience in NFTs collectible and Videos upload to Opensea, Minting, and colection Generation. with full understand Expertise in using C/C++, C#, Python, Java. I provide 100% Guarantee work and building smoothing starting with long terms relationship with clients is my Top Priority.

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50 USD/hour
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Slobodan Klaoric

Average Review
0 reviews
Reputation 
19
0 jobs completed

Skills

About me

As a blockchain full stack developer I've got deep knowledge of Solidity / Ethereum network and common standards of the industry. I have an experience with forking Pancakeswap, Uniswap, Sushiswap on BSC, Polygon, ETH and building Defi site. Especially ERC20, ERC223 standard token creation using latest secure version of solidity code. I've deployed various smart contract, DApps and DeFi projects using React, Web3, Solidity.; currently, I'm focused on: - BEP20 Binance Chain (BSC) ERC20, ERC777, ERC223, ERC721, ERC1155 Ethereum token creation and deployment. - Defi site with pull and farm

Rate

30 USD/hour
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Ezra Ackerman

Fullstack Developer 
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0 reviews
Reputation 
18
0 jobs completed

Skills

About me

Hi! I'm a web developer who loves to build stuff and enjoys watching his work come alive. I've been in E-Commerce for 7+ years where I've undertaken major projects in popular systems like WordPress, Magento, Shopify, Shopware, etc. I can build and deploy your websites or customize them to any extent, no matter the underlying stack, framework, or system. To put it simply, if your application is/will run on the web, I can handle your needs for you. Feel free to reach out to me with any request!

Rate

45 USD/hour
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