Hire Blockchain and Cryptography Developer

Upstaff is the best deep-vetting talent platform to match you with top Blockchain and Cryptography developers for hire. Scale your engineering team with the push of a button

Blockchain and Cryptography
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Hire Freelance Blockchain and Cryptography Developers and Engineers

Vadym M, Blockchain and Cryptography Developer

Last Job: 25 Sep 2024
Identity Verified
Programming Skills Verified
CV Verified

- 5+ years of experience as a Front-end JavaScript Developer. - 5+ years of experience in React.js; - Deep experience in Next.js technology; - Experience with WebRTC, Soket.io; - Good knowledge of Tailwind CSS, Bootstrap, and Chakra UI; - Experience working with Redux, and Docker; - Familiar with Node.js; - Strong abilities working with Web3; - Proficiency in testing frameworks like Jest and Cypress; - E-commerce, web, and mobile applications, including learning platforms, chatbots, dApps, and cryptocurrency wallet extensions.

JavaScript

JavaScript   5 yr.

Web3.js

Web3.js

React

React

WebRTC (Web Real-Time Communication)

WebRTC (Web Real-Time Communication)

View Vadym

Serhii, Blockchain and Cryptography Developer

$40/hr
Last Job: 25 Sep 2024
Identity Verified
Language Verified
Programming Skills Verified
CV Verified

• 15+ years of commercial software development experience • Solid knowledge of Solidity, C++, JavaScript, TypeScript; • Deep understanding of blockchain architecture and smart contract logic; • Cosmos, Tron, Avalanche, Binance Smart Chain, Ethereum dApps; • Strong skills in developing NFT smart contracts. Support and payload verification; • NFT Marketplaces (ERC - 721/1155), Crypto Payment Solutions & DeFi Cross Chain Bridges - ERC-20 Tokens, ICO, DEX, Staking, Swapping; • Highly qualified knowledge of Stripe payment system integration to blockchain data; • 10+ years experience working with Python; • 5 years experience working with Node.js; • Strong abilities with Express; • Experience working with Docker, and Kubernetes (K8s); • 3+ years of development experience with React.js. • No scheduled vacations within the next 3 months;

Solidity

Solidity

NFT (non-fungible token)

NFT (non-fungible token)

Node.js

Node.js   5 yr.

React

React   3 yr.

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Denys K, Blockchain and Cryptography Developer

Last Job: 25 Sep 2024
Identity Verified
Programming Skills Verified
CV Verified

- Strong background in computer engineering and automation; - 5+ years of experience with Python; - Good knowledge of the blockchain industry and web3 project development; - Proven expertise in developing mobile applications, crafting solutions for crypto services, and creating telegram mini-apps; - Skilled in web automation, bot development, parsing, and working with web3 technologies.

Python

Python   5 yr.

QA Automation

QA Automation   3 yr.

Telegram API

Telegram API

Telegram Mini Apps

Telegram Mini Apps

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Sergey B., Blockchain and Cryptography Developer

Last Job: 7 Oct 2024

- Full Stack Developer with strong Blockchain skills. - 10+ years of experience in IT. - Experience with Blockchain projects since 2017. - In-depth knowledge of blockchain integration to the backend. - Upper-Intermediate English. - Available ASAP.

web3

web3

Node.js

Node.js

NestJS

NestJS

PostgreSQL

PostgreSQL

AWS (Amazon Web Services)

AWS (Amazon Web Services)

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Abhinay, Blockchain and Cryptography Developer

Last Job: 30 Sep 2024

Accomplished Blockchain Developer with over 5 years of expertise in designing and implementing advanced applications with a focus on blockchain technology, smart contract and dApp development. Strengths include hands-on experience with PoS/PoA sidechains, Ethereum, Binance, Tron, and a plethora of ERC standards, backed by robust skills in Golang, JavaScript, Solidity, and cloud technologies. Proficient in fostering innovative database design, API development, and server management, which are further enhanced by a seasoned track record in deploying blockchain solutions on AWS and GCP. Distinguished by participation in high-profile projects like decentralized exchanges and NFT platforms, showcasing not only technical prowess but also effective collaboration with cross-functional global teams and deployment of CI/CD pipelines.

NFT (non-fungible token)

NFT (non-fungible token)   5 yr.

Smart Contracts

Smart Contracts

Feature Driven Development (FDD)

Feature Driven Development (FDD)

CI/CD

CI/CD

SOLID

SOLID

View Abhinay
5.0
Based on 9 reviews

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Manager
Maria Lapko
Global Partnership Manager

Only 3 Steps to Hire Blockchain and Cryptography Developer

1
Talk to Our Blockchain and Cryptography Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
2
Meet Carefully Matched Blockchain and Cryptography Talents
Within 1-3 days, we’ll share profiles and connect you with the right Blockchain and Cryptography talents for your project. Schedule a call to meet engineers in person.
3
Validate Your Choice
Bring new Blockchain and Cryptography expert on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Welcome on Upstaff: The best site to hire Blockchain and Cryptography Developer

Yaroslav Kuntsevych
Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

Yaroslav Kuntsevych

CEO
Hire Dedicated Blockchain and Cryptography Developer Trusted by People
5.0
Based on 9 reviews
google
Volodymyr August 11, 2023
google
Henry Akwerigbe August 30, 2023
google
Vitalii Stalynskyi August 29, 2023
google
Yuliana Zaichenko June 16, 2024
google
Roman Masniuk August 25, 2023

Hire Blockchain and Cryptography Developer as Effortless as Calling a Taxi

Hire Blockchain and Cryptography Developer

FAQs on Blockchain and Cryptography Development

What is a Blockchain and Cryptography Developer? Arrow

A Blockchain and Cryptography Developer is a specialist in the Blockchain and Cryptography framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a Blockchain and Cryptography Developer through Upstaff.com? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened Blockchain and Cryptography Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a Blockchain and Cryptography Developer is right for my project? Arrow

If your project involves developing applications or systems that rely heavily on Blockchain and Cryptography, then hiring a Blockchain and Cryptography Developer would be essential.

How does the hiring process work on Upstaff.com? Arrow

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified Blockchain and Cryptography Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a Blockchain and Cryptography Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire Blockchain and Cryptography Developers on a part-time or project-based basis? Arrow

Yes, Upstaff.com allows you to hire Blockchain and Cryptography Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of Blockchain and Cryptography Developers on Upstaff.com? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a Blockchain and Cryptography Developer once hired? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process? Arrow

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a Blockchain and Cryptography Developer if they are not meeting expectations? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.

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