Javascript Jobs in Web3 & Crypto

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Check out of 63 posted Javascript Jobs. At LaborX you have a great option to choose a freelance job for Javascript. Apply a job now and get paid in cryptocurrency.
Senior Frontend Engineer - Growth Tech (AI Applications)
Binance is a prominent global blockchain ecosystem that hosts the world's most extensive cryptocurrency exchange by trading volume and user base. Trusted by over 300 million individuals across 100+ countries, Binance is known for its...
Full time
Remote
Senior Front-end Developer(Futures)
Binance is a prominent global blockchain ecosystem known for being the powerhouse behind the world’s largest cryptocurrency exchange by trading volume and registered users. With a user base spanning over 300 million individuals across 100+...
Full time
Remote
Senior Front-end Engineer - VIP
Responsibilities Cross-functional Collaboration: Collaborate closely with design, backend, and product teams to understand business requirements and implement effective frontend solutions. Architecture & Infrastructure: Develop reusable component libraries and frameworks to support web...
Full time
Remote
Member of Technical Staff, Technical Program Management
We are seeking an Engineering Lead to take charge of and lead our Enterprise Technology department. In this role, you will be responsible for overseeing three essential components—IT Support, Systems Engineering, and IT Automation—while also...
Full time
Hybrid
Senior Software Engineer
About You We are seeking individuals with a strong background in programming language theory and automated reasoning, who are passionate about applying theoretical computer science concepts to real-world problems. Successful candidates will have...
Full time
Office
Senior Front End Architect
Binance operates as a prominent global blockchain ecosystem associated with the largest cryptocurrency exchange in terms of trading volume and registered users. Trusted by more than 280 million individuals across 100+ countries, Binance offers leading-edge...
Full time
Remote
Frontend Engineer
About the Role Contribute to the advancement of Web3 technology through the development of efficient and top-notch frontend applications. By being a significant member of our team, you will be responsible for conceptualizing...
Full time
Remote
Senior Frontend Engineer - Payment Tech
Binance is at the forefront of the global blockchain landscape, housing the world's largest cryptocurrency exchange trusted by millions worldwide across over 100 countries. Renowned for its high-level security, transparent management of user funds, fast...
Full time
Remote
Senior Site Reliability Engineer (Node.js & Javascript), Trading Technologies
*: Binance, a global blockchain ecosystem promoting the largest cryptocurrency exchange worldwide, seeks a Senior Software Engineer adept at developing and enhancing internal monitoring and alerting systems for high-load, real-time production operations....
Full time
Remote
Frontend Engineer - Web3
Binance is a prominent player in the global blockchain industry, known for its leading cryptocurrency exchange platform with a vast user base. Trusted by millions worldwide for its top-notch security measures, transparency in user funds,...
Full time
Remote
Business Process Automation Specialist
Nansen, a leading blockchain analytics platform, is looking for a dynamic Business Process Automation Specialist to join the team. The successful candidate will be an integral part of the Revenue Operations team, focusing on developing...
Full time
Remote
Software Engineer
About Keyfactor Our goal is to create a connected society founded on trust, providing identity-first security for both machines and humans. Keyfactor specializes in enabling organizations to swiftly establish digital trust at scale...
Full time
Office
Frontend Engineer - Onboarding
We are in need of a Frontend Engineer to work in our Toronto office full-time. Our company specializes in digital asset solutions, offering custody, wallets, staking, trading, financing, and settlement services through regulated cold storage....
Full time
Office
Frontend Engineer - Onboarding
*: BitGo, the leading infrastructure provider of digital asset solutions, offers custody, wallets, staking, trading, financing, and settlement services. Since establishment in 2013, BitGo has focused on securely enabling clients in the digital...
Full time
Office
Frontend Engineer - Onboarding
BitGo, a pioneering digital asset infrastructure provider, focuses on delivering a range of services like custody, wallets, staking, trading, financing, and settlement from secured cold storage. Since its inception in 2013, BitGo has been committed...
Full time
Office
Frontend Engineer - Onboarding
BitGo is a premier infrastructure provider of digital asset solutions, offering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Established in 2013, our focus has been on empowering clients to securely...
Full time
Office
Staff Backend Engineer - Trade
BitGo is a prominent digital asset solutions provider that offers a range of services such as custody, wallets, staking, trading, financing, and settlement leveraging regulated cold storage. Established in 2013, BitGo is dedicated to facilitating...
Full time
Office
Senior Backend Engineer - BWS Custody
BitGo, a top digital asset solutions provider with a global reach, is seeking a Senior Backend Engineer to join their Engineering Team in India. This role involves collaborating with skilled engineers, product managers, and security...
Full time
Office
Senior Software Engineer - Mobile (React Native)
BitGo is the leading provider of digital asset solutions, offering a range of services from custody to staking, trading, and more, all from regulated cold storage. Founded in 2013, our focus is on providing security...
Full time
Office
Senior Software Engineer - Mobile (React Native)
BitGo, a prominent digital asset services infrastructure provider, specializes in custody, wallets, staking, trading, financing, and settlement from regulated cold storage. Established in 2013, BitGo uniquely caters to institutional clients in the digital asset domain....
Full time
Office
Software Engineer - Mobile (React Native)
BitGo is at the forefront of digital asset infrastructure solutions, catering to institutional clients with services such as custody, wallets, staking, trading, and financing. Established in 2013, BitGo is committed to driving the...
Full time
Office
Senior Software Engineer - Mobile (React Native)
** Summary:** BitGo is a leading provider of digital asset solutions aimed at institutional clients globally. We are focused on shaping the digital financial services economy and providing secure services to clients worldwide....
Full time
Office
Software Engineer - Mobile (React Native)
BitGo is a prominent infrastructure provider of digital asset solutions, serving custody, wallets, staking, trading, financing, and settlement from monitored cold storage. Established in 2013, BitGo is the first company in digital assets to focus...
Full time
Office
Developer Relations - Community
Who We Are Supra is at the forefront of revolutionizing information services on a global scale. We are a forward-thinking startup backed by robust funding and exceptional technical expertise, striving to lead the...
Full time
Remote
Senior Web Designer (Remote)
in Markdown Format:** Who We Are Supra is at the forefront of information services innovation on a global scale. As a cutting-edge startup backed by substantial funding, we are committed to...
Full time
Remote
Technical Lead (Payments)
in Markdown:** Xweave aims to innovate global money movement through a cutting-edge payment service that overcomes traditional financial barriers. By establishing a network of regulatory-approved digital asset liquidity providers, we merge the existing...
Full time
Office
Staff/Senior Engineer - Mid Platform (Boss)
At our organization, we prioritize individuals who are eligible to work in Singapore without requiring visa sponsorship. We are a forward-thinking company that leverages technology to shape the future. Since our establishment in 2017, we...
Full time
Office
Software Engineer, Typescript
*: About the Company We aim to simplify the process of wealth creation. Established in 2014 in Vienna, Austria by Eric Demuth, Paul Klanschek and Christian Trummer, our goal is to...
Full time
Office
Senior React Engineer, Contract
Summary of Asset Reality:  Asset Reality is a rapidly expanding tech company that specializes in developing software to assist Governments and Law Enforcement agencies in managing seized assets. We prioritize excellence and are...
Full time
Remote
Senior/Staff Android Developer
About OKX: Established in 2017, OKX is a prominent cryptocurrency exchange offering a wide range of spot and derivatives trading services. Leveraging blockchain technology, OKX has transformed the financial landscape by providing diverse...
Full time
Office
Senior/Staff iOS Developer
About OKX: Established in 2017, OKX stands out as a top-tier cryptocurrency exchange for spot and derivatives trading on a global scale. By leveraging blockchain technology, OKX disrupts the financial landscape by offering...
Full time
Office
Engineer
Who we are We are dedicated to simplifying wealth creation. Our company was established in 2014 in Vienna, Austria, with a mission to empower individuals to achieve financial freedom, both in the present...
Full time
Office
Senior Front-End Web Developer (Remote - Work from Anywhere)
Position Overview: We are seeking a Senior Front-End Web Developer to join our team. The ideal candidate will play a key role in the development process, translating design concepts into functional code for...
Full time
Office
Software Engineer II
About Us: FalconX is a leading digital asset platform serving institutions globally. Our services include trade execution, credit & treasury management, prime offering, and market making. With our industry-leading technology, deep liquidity, and...
Full time
Office
Senior Software Engineer, Frontend
Magic simplifies the process of integrating web3 technology by offering a streamlined solution for reaping its vast benefits. We assist businesses across various scales in establishing trusted customer relationships, thus revolutionizing the traditional approaches. ...
Full time
Remote
Senior Engineer - Frontend (Web3)
Who We Are At our company, we understand the transformative power of technology. Established in 2017, we are a prominent cryptocurrency exchange offering a variety of spot and derivatives services. Our use of...
Full time
Office
Senior Software Engineer (Mobile)
BitMEX, a top cryptocurrency derivatives trading platform, is a pioneer in cryptocurrency trading with a focus on innovation, liquidity, and security. Our platform caters to hundreds of thousands of traders handling billions of USD daily...
Full time
Office
Senior Software Engineer (Mobile)
BitMEX, a prominent cryptocurrency derivatives trading platform, is renowned for its innovative approach to cryptocurrency trading. With a strong focus on change and pushing boundaries, BitMEX continuously sets industry standards for innovation, liquidity, and security....
Full time
Remote
people

What does a blockchain developer do?

Cryptocurrency is a digital payment system that doesn't rely on banks to verify transactions. It’s a peer-to-peer system that can enable anyone anywhere to send and receive payments. Instead of being physical money carried around and exchanged in the real world, cryptocurrency payments exist purely as digital entries to an online database describing specific transactions. When you transfer cryptocurrency funds, the transactions are recorded in a public ledger. Cryptocurrency is stored in digital wallets.Cryptocurrency received its name because it uses encryption to verify transactions. This means advanced coding is involved in storing and transmitting cryptocurrency data between wallets and to public ledgers. The aim of encryption is to provide security and safety.

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