Solidity Jobs in Web3 & Crypto

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Check out of 52 posted Solidity Jobs. At LaborX you have a great option to choose a freelance job for Solidity. Apply a job now and get paid in cryptocurrency.
Blockchain Security Technical Support Engineer
At our organization, the commitment to user security is overseen by a proficient Security Team consisting of seasoned cybersecurity professionals on a global scale. This team leads the company's efforts in Security, Privacy, and Security...
Full time
Hybrid
Senior Blockchain Engineer
Seedify is the leading Blockchain Gaming Launchpad and Incubation Ecosystem, dedicated to driving innovation in gaming, blockchain, and Web3 fields. Our core mission is to empower developers and innovators through funding, robust community building, and...
Full time
Remote
Experienced Defi Trader
Kronos Research is a pioneering quantitative trading firm with a focus on technology and scientific principles. We actively seek talented Defi Traders to join our teams or establish new ones. If you align with the...
Full time
Remote
Experienced Defi Trader
Kronos Research operates as a leading quantitative trading firm driven by technology and scientific principles. Utilizing firm capital, we explore new ideas and profit possibilities with confidence, showcasing expertise in technological advancements and research. With...
Full time
Remote
Rust and Nim Engineer (ACZ)
Logos operates as a supporter of the decentralised web movement, striving to lay the groundwork for a liberated internet conducive to the development of network states within communities. Each element of the Logos stack is...
Full time
Remote
Senior Software Engineer
About Everclear Everclear is a pioneering company that acts as the First Clearing Layer, streamlining global settlement of liquidity across different chains. By addressing fragmentation challenges for modular blockchains, Everclear aims to enhance...
Full time
Remote
Lead Developer Relations Advocate
Polymer Labs aims to develop a foundational base layer for the emerging internet, focusing on Ethereum's Interoperability Hub. The team is committed to enhancing security, user experience, and functionality to support the widespread adoption of...
Full time
Remote
DevOps/SRE Team Lead - Full-time
About Us Parity is renowned for its expertise in core blockchain infrastructure, having developed advanced technologies in the blockchain sector. Founded by Dr. Gavin Wood, a prominent figure in the blockchain realm, the...
Full time
Remote
智能合约开发工程师 TON
岗位职责: 负责在TON和Ethereum上进行Dapp开发。 设计和实施Ethereum智能合约,熟悉Solidity和可升级合约。 熟悉并能操作Uniswap V2/V3、NFT marketplace、LST和restake合约。 熟悉TON的TVM架构和funC,掌握cell的数据结构和message发送原理,熟悉TL-B。 理解TON钱包合约实施及Jetton和NFT的原理。 熟练运用TON相关sdk和合约进行互操作。 具备深刻的区块链安全性和最佳实践认识,优化智能合约性能和安全性。 出色的团队合作和沟通能力,在远程环境下高效工作。 加分项: -拥有开发TON上mini app的经验。 -会Solana开发,熟悉Rust、Anchor框架和其他Solana生态工具。
Full time
Remote
Security Engineer (Penetration Testing)
Why Us? CertiK is a forward-thinking leader in blockchain security, using advanced AI technology to safeguard and monitor blockchain protocols and smart contracts. Established in 2018 by experts from distinguished universities, CertiK is...
Full time
Remote
Senior Blockchain Engineer
We're inviting skilled Blockchain Developers with practical experience in Ethereum and various major blockchains like BSC, Polygon, Avalanche, Fantom, etc. Your role involves crafting and managing smart contracts and ensuring their security. Key duties entail...
Full time
Remote
Smart Contract Triager
About Immunefi Immunefi is dedicated to safeguarding the future of decentralized finance by acting as Web3's ultimate defense line and premier bug bounty platform. Our mission is to prevent potentially devastating hacks from...
Full time
Remote
Senior Software Engineer in Test (SDET)
About Story Protocol Story Protocol is dedicated to fostering creativity on the internet by building an optimized IP infrastructure for the digital age. Through an open IP repository, we support the evolution of...
Full time
Hybrid
Software Engineer (Front and Integrations)
Parity is a leading core blockchain infrastructure company globally recognized for developing cutting-edge technologies within the blockchain sector. Established by Dr. Gavin Wood, the former CTO of Ethereum, the team at Parity has...
Full time
Remote
Senior Software Testing Engineer
Primary Responsibilities Conduct testing for website functionality, covering both front-end and back-end verification. Test and validate blockchain-related smart contracts to ensure security and correctness. Plan and execute ETL process testing....
Full time
Remote
Senior Blockchain /Smart Contract Architect
Animoca Brands, a winner of a recognized tech award and listed as one of the High Growth Companies Asia-Pacific in 2021, specializes in digital entertainment, blockchain, and gamification. They focus on advancing digital...
Full time
Hybrid
Smart Contract Engineer (Security)
Company Overview OKX is a forward-thinking company that believes in the transformative power of technology. Established in 2017, we are pushing boundaries in the world of digital asset exchange, Web3 platforms, and blockchain...
Full time
Office
Software Engineer (Zombienet) - Full-time
About Us Parity is a leading core blockchain infrastructure company globally, with a strong track record of developing cutting-edge technologies in the blockchain industry. Founded by Dr. Gavin Wood, a prominent figure in...
Full time
Remote
Full Stack Engineer, DevTools
At Hiro, we specialize in creating developer tools that bring Web3 capabilities to Bitcoin. Our range of tools enables developers to leverage smart contracts, digital assets, and decentralized applications on the Bitcoin network. With Hiro's...
Full time
Remote
Smart Contract Engineer (Security)
About the Company OKX, a leading digital asset exchange, is at the forefront of reshaping the future through technology. Established in 2017, our innovative platforms and blockchain solutions are changing global systems. Our...
Full time
Office
Senior Smart Contract Engineer - NFT Marketplace
Who We Are At our organization, we strongly believe in the transformative power of technology. Established in 2017, we are at the forefront of innovation in digital asset exchange and blockchain ecosystems. With...
Full time
Office
DevOps Engineer/SRE - Infrastructure Team
ChainSafe is a well-established blockchain research and development organization focusing on infrastructure solutions for the decentralized web. With strong contributions to prominent ecosystems like Ethereum, Polkadot, and Filecoin, ChainSafe develops solutions for web3 developers in...
Full time
Remote
Senior Software Engineer (Protocol)
Magna specializes in providing token management solutions for web3 projects and distributed teams, facilitating token planning, minting, and distribution to team members, investors, and community members through custom unlock schedules. The Senior Software Engineer position...
Full time
Office
Senior Back-End Engineer, DeFi Wallet
DESCRIPTION Blockchain.com is the forefront software platform for digital assets globally. We are seeking Kotlin and Solidity Developers with expertise in blockchain protocols and EVM networks. As a backend engineer on the DeFi...
Full time
Office
Protocol Integrations Engineer
Job Overview Connext, a leading protocol for permissionless chain abstraction focusing on L2-L2 communication, is seeking motivated individuals to join their globally distributed team. This team, known for its commitment to security and...
Full time
Remote
Quantitative Developer (DeFi)
As a Quantitative Developer at Kronos, you will be an integral part of a top-tier trading team, collaborating with quantitative researchers to design and implement high-frequency trading algorithms. Your responsibilities will include developing new trading...
Full time
Office
DeFi Researcher Intern
Position Overview: The DeFi Researcher Internship is a remote opportunity suitable for candidates residing in Hong Kong during term time. The role involves advancing research efforts in decentralized finance (DeFi) protocols by conducting...
Full time
Remote
Staff Blockchain Engineer
Company Overview Ex Populus is a dynamic game development studio led by experts from well-known companies like Pixar, Ubisoft, Activision, and Blizzard. The team is currently working on two highly anticipated games, Final...
Full time
Remote
Blockend (Backend/Solidity) Engineer
About Enso Our organization is dedicated to streamlining blockchain interactions by creating one-click shortcuts for any type of calls. We aim to facilitate seamless connectivity between DeFi ecosystems, enabling users to interact with...
Full time
Remote
Rust Engineer
About Enso Our goal is to streamline blockchain operations by consolidating various actions into single-click shortcuts. These shortcuts simplify interactions within the DeFi ecosystem, enabling users to engage with multiple ecosystem participants through...
Full time
Remote
Smart Contract Security Engineer
Overview Binance, a prominent global blockchain ecosystem and cryptocurrency platform, is dedicated to advancing cryptocurrency adoption and financial freedom. Join a fast-paced, purpose-driven organization that offers limitless opportunities for learning and growth. ...
Full time
Remote
Engineering Lead, Blockchain Integrations
At Anchorage Digital, we are focused on leading in the development of a cutting-edge digital asset platform tailored for institutional participation in the crypto space. Established in 2017, Anchorage Digital is a compliant...
Full time
Remote
Animoca Brands, a recipient of Deloitte Tech Fast award and featured in the Financial Times list of High Growth Companies Asia-Pacific 2021, is a leading company in digital entertainment, blockchain, and gamification with a focus...
Full time
Office
Web3 Young Talent - Smart Contract Security
Binance is a prominent player in the global blockchain and cryptocurrency domain, offering a range of financial products that include the largest digital-asset exchange in the world. The core mission at Binance is to drive...
Full time
Remote
Software Engineer
** without Job Title** About Our Team and Your Role: Our team consists of technology and business professionals who effectively communicate for network-based advancement. Remote Work: Our global team has...
Full time
Remote
Software Engineer, Smart Contracts
About Eigen Labs Eigen Labs is a vibrant and forward-thinking team specializing in providing crypto-economic security solutions for proof-of-stake (PoS) blockchain components like rollups, bridges, oracles, and dApps. The team at Eigen Labs...
Full time
Remote
Smart Contract Engineer (Solidity)
Team Overview: Join our close-knit team within the DeFi sector of OKX, where we focus on pioneering on-chain solutions to enhance the OKX experience for our users. We specialize in bolstering DeFi protocols,...
Full time
Office
Blockchain / Smart Contract Security Engineer
Join a prominent global blockchain ecosystem and cryptocurrency infrastructure provider that hosts the largest digital-asset exchange. At this organization, our primary goal is to drive cryptocurrency adoption and enhance financial freedom. If...
Full time
Remote
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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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