Solidity

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• Showcase your expertise: Share your skills, projects, and experience with us, so we can match you with the right role.
  
  

• Design, develop, and implement blockchain solutions and smart contracts.
• Collaborate with cross-functional teams to understand business requirements.
• Select and implement appropriate blockchain platforms and consensus mechanisms.
• Integrate blockchain solutions with existing applications and systems.
• Ensure the security and privacy of blockchain transactions and data.
• Develop and maintain documentation for blockchain architectures and configurations.
• Stay updated on emerging blockchain technologies, tools, and best practices.
• Provide technical support and troubleshoot issues related to blockchain implementations.
  
  

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• Proven experience as a Blockchain Developer or in a similar role.
• Strong programming skills in languages such as Solidity, C++, or Java.
• Experience with blockchain platforms such as Ethereum, Hyperledger, or Binance Smart Chain.
• Understanding of consensus algorithms and decentralized systems.
• Knowledge of cryptographic principles and protocols.
• Excellent problem-solving and analytical skills.
• Ability to work independently and collaboratively in a team.
  
  

• Experience with tokenomics and developing custom tokens.
• Familiarity with decentralized finance (DeFi) concepts.
• Knowledge of non-fungible tokens (NFTs) and their implementation.
• Understanding of blockchain scalability solutions.
• Previous experience with blockchain security audits.
  
  

• 100% remote
• People first culture
• Excellent compensation in US Dollars
• Hardware setup for working from home
• Work with global teams and prominent brands based in North America, Europe, and Asia
• Training allowances
• Personal time off (PTO) for vacations, study leave, personal time, etc.
• ...and more!
  
  

• Develop and maintain front-end web applications.
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions. Working closely with product managers, designers, and other stakeholders to define project scope, timelines, and deliverables.
• Lead and mentor a team of developers, providing guidance and support throughout the development process.
• Ensure adherence to best practices, coding standards, and quality assurance processes.
• Participate in code reviews to maintain code quality and ensure consistency across the team.
• Conduct thorough testing and debugging to identify and fix any issues or bugs.

• Solid experience in front end development with React, NextJS, JavaScript, CSS. Tailwind CSS will be a huge plus.
• Strong knowledge of website SEO optimization techniques and best practices.
• Experience working with AWS, RDS, and/or other cloud technologies.
• Experience with Agile methodologies and full life cycle software development.
• Experience with Web3 tooling, such as Hardhat, and programming in Solidity is a definite plus.
• Knowledge of blockchain networks, particularly EVM-based networks, is a definite plus.
• Comfortable working remotely as part of a high-velocity distributed team.
• Strong problem-solving skills and ability to work in a complex and ambiguous environment.

• Develop and maintain front-end web applications.
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions. Working closely with product managers, designers, and other stakeholders to define project scope, timelines, and deliverables.
• Lead and mentor a team of developers, providing guidance and support throughout the development process.
• Ensure adherence to best practices, coding standards, and quality assurance processes.
• Participate in code reviews to maintain code quality and ensure consistency across the team.
• Conduct thorough testing and debugging to identify and fix any issues or bugs.

• Solid experience in front end development with React, NextJS, JavaScript, CSS. Tailwind CSS will be a huge plus.
• Strong knowledge of website SEO optimization techniques and best practices.
• Experience working with AWS, RDS, and/or other cloud technologies.
• Experience with Agile methodologies and full life cycle software development.
• Experience with Web3 tooling, such as Hardhat, and programming in Solidity is a definite plus.
• Knowledge of blockchain networks, particularly EVM-based networks, is a definite plus.
• Comfortable working remotely as part of a high-velocity distributed team.
• Strong problem-solving skills and ability to work in a complex and ambiguous environment.

• Collaborate with cross-functional teams to understand project requirements and translate them into well-structured and efficient smart contracts.
• Implement, test, and deploy smart contracts on various blockchain platforms
• Write clean, maintainable, and well-documented code for smart contracts.
• Conduct comprehensive security audits of smart contracts to identify vulnerabilities and ensure they meet the highest security standards.
• Stay up-to-date with the latest security threats and best practices in blockchain security to proactively address potential issues.
• Continuously optimize existing smart contracts for gas efficiency, performance, and scalability.
• Identify bottlenecks and propose improvements to enhance contract execution speed and resource utilization.
• Develop and execute test cases to validate the functionality and security of smart contracts.
• Collaborate with DevOps teams for the seamless deployment of contracts onto the blockchain.
• Maintain comprehensive documentation for all smart contracts, including design decisions, coding standards, and usage instructions.
  
  

• Proficient in blockchain fundamentals with an in-depth understanding of Ethereum, Account Model, and EVM.
• Familiar with the technical principles and implementations of DeFi-related contracts such as Uniswap and Lido.
• Mastery of Solidity smart contract language for development, testing, and optimization.
• Proficient in smart contract development tools such as Foundry and Hardhat.
• Proficiency in one or more programming languages, such as Golang and JavaScript.
• Preferred experience in one or more of the following:
• Practical development and deployment experience in DeFi projects.
• Experience in developing and implementing Ethereum Op-Rollup and ZK-Rollup solutions.
• Background in cryptography with unique insights into blockchain and smart contract security.
• Contributions to open-source security contract libraries like Ethereum and OpenZeppelin.
• Candidates should have a full-time bachelor's degree or higher in a computer-related field.
  

• 负责智能合约核心功能的实现、安全审计、合约优化等
  
  

• 熟练掌握区块链基础，并对Ethereum、Account Model、EVM等有深入的了解
• 熟悉uniswap、lido等Defi相关合约的技术原理与实现
• 精通Solidity智能合约语言的开发、测试和优化
• 熟练掌握Foundry、hardhat等智能合约配套开发工具
• 精通golang、javascript等一种或者多种开发语言
• 有下列经验者优先
• 有过Defi项目的实际开发与上线经验
• 对以太坊op-rollup以及zk-rollup解决方案有开发与实操经验
• 具备密码学相关背景，对区块链以及智能合约安全有独到的见解
• 对Ethereum、OpenZeppelin等三方安全合约库有开源贡献
• 全日制本科或以上学历，计算机相关专业
  

• Help developers and projects to successfully build and launch dApps using the Oasis Privacy Layer and the Oasis Sapphire (Oasis confidential EVM)
• Respond to technical questions from developers and builders
• Solicit and respond to feedback from Oasis developer community and share feedback/insights with Product/Engineering
• Build a strong Oasis developer community
• Host technical workshops at conferences/events (virtual or in-person) and produce technical content (e.g. docs, tutorials and videos)
• Evangelize Oasis technologies, to Oasis community and the wider Web3 ecosystem
• Improve the overall quality and engagement of the Oasis developer community on channels such as Oasis Forum, Discord, etc.
• Collaborate with Marketing, Community and BD to 1) grow developer engagement; 2) onboard new developers
  
  

• Passionate about software development, Web3, privacy and building communities
• Bachelor degree in Computer Science or related Engineering fields
• 3+ years of experience as a software developer or developer relations/advocate
• Has contributed to open source projects
• (nice to have) Has contributed to open source blockchain/Web3 projects
• Strong technical experience with smart contract development, specifically in Solidity
• In-depth knowledge of the developer products and tooling market in Web3
• In-depth knowledge of Layer-1 blockchain networks and Web3 dApps
• Superb spoken and written English
• (nice to have) 3+ years of full-time experience at a layer-1 blockchain network and/or Web3 protocols
• (nice to have) Experience in writing documentation and producing technical content
• (nice to have) Experience in public speaking and hosting workshops
  
  

We are looking for a talented and motivated web3 Engineer, specializing in smart contract development, to join the Memeland team. As a web3 Engineer, you will be primarily responsible for designing, implementing and testing smart contracts that power our web3 products and apps. You will work closely with our product development team to ensure that our smart contracts are secure, efficient, and optimized for performance.

Responsibilities

• Understand core business logic and objectives, and implement them with smart contracts.
• Lead the building of smart contracts in collaboration with PMs and other engineers.
• Design, develop and implement different types of resilient, gas-efficient, and secure Smart Contracts on Ethereum. Provide the highest level of reliability with contract codes 100% tested.
• Develop and deploy secure blockchain backends, such as blockchain networks and related tooling and scripts to support the different operational needs.
• Participate in the development and integration of frontend or backend that interacts with smart contracts.
• Keep up with news and trends related to blockchain technology, standards development, best practices and security updates.

Requirements

• Bachelor's degree in Computer Science or a related field, or equivalent work experience.
• Solid experience building out Solidity smart contracts in production.
• Solid experience with Solidity development and testing frameworks.
• Solid experience in maintaining deployed Solidity smart contracts.
• In-depth understanding of current and emerging ERC standards (e.g. ERC20, ERC721, ERC1155, ERC998, ERC777).
• Unit-Testing and Continuous Integration processes experience.
• Familiar with typical smart contract problems like reentrancy, migrations and upgradeability of immutable systems.
• Familiar with modern JS frameworks.
• Able to write efficient and secure code in a fast-paced environment.
• Effective in explaining, documenting, and bringing others ideas into our solutions.
• Independent, creative, detail-oriented, delivering organized results.
• Excellent written and oral communication skills in English.

Benefits & Perks

• We take care of our teammates to take great care of themselves and their families so we all can perform our best at work!
• 100% remote work
• 25-day paid time off, 20-week maternity, 8-week paternity, plus family/pet care, marriage, birthday Leave, and more.
• US$1.5M Health insurance per teammate
• Life insurance
• Home Office Setup Allowance

• Produce code that is well written, maintainable, security conscious, and performant
• Align software feature development with customer priorities
• Design and develop the user interface (UI) of web applications, ensuring a responsive and visually appealing user experience
• Build the server-side logic and databases that power web applications, focusing on functionality, performance, and security
• Develop and manage databases, including designing schemas, optimizing queries, and ensuring data integrity
• Create and maintain application programming interfaces (APIs) to enable communication between the front-end and back-end components
• Configure and manage web servers, hosting, and cloud services to deploy and host web applications
• Conduct thorough testing and debugging to ensure the application functions correctly and is free from errors
• Use version control systems (e.g., Git) to manage and collaborate on code with other developers
• Cross functional collaboration with IronMill colleagues to bring projects from concept to completion
• Maintain detailed documentation of code, APIs, and project configurations for future reference and team collaboration
  
  

• Proven experience as a Full Stack Engineer or similar role (preferably Web3/Blockchain Engineers but not mandatory)
• Prior experience in overseeing successful delivery of mobile and web applications from 0-1
• Proficiency in front-end technologies, including HTML, CSS, JavaScript, and front-end frameworks (e.g., React, Angular, or Vue.js)
• Strong server-side development skills with expertise in one or more server-side programming languages (e.g., Node.js, Python, Ruby, Java, or PHP)
• Experience with back-end frameworks and libraries
• Knowledge of databases, both SQL and NoSQL, and experience with database design and optimization
• Familiarity with RESTful API development
• Experience with monitoring, troubleshooting, and scaling projects on a cloud platform
• Excellent problem-solving skills and the ability to troubleshoot issues
• Effective communication and collaboration skills
• Continuous learning mindset to stay updated with the latest technologies and trends
  
  

• Blockchain Development: Design and develop blockchain protocols, smart contracts, and decentralized applications (DApps)
• Consensus Algorithms: Understand and implement different consensus algorithms, such as Proof of Work (PoW), Proof of Stake (PoS), or Delegated Proof of Stake (DPoS)
• Blockchain Integration: Integrate blockchain technology into existing systems and applications to enable decentralized functionalities and data storage
• Performance Optimization: Improve the performance and scalability of blockchain networks to handle a larger volume of transactions and users
• Blockchain Frameworks: Work with blockchain frameworks and libraries, such as Ethereum's Solidity, to develop and deploy smart contracts
• Blockchain Knowledge: Good understanding of blockchain technology, including its principles, components, and different blockchain platforms (e.g., Ethereum, Bitcoin, Hyperledger)
• All your information will be kept confidential according to EEO guidelines

• Interpret client requirements to the blockchain architect and lead smart contracts development
• Develop features and augmentations in a stable, tested, and efficient way
• Develop solidity code engineering on client platforms
• Review the technical reviews of the products
• Take care of blockchain integration with existing applications
• Collaborate with multi-disciplinary teams, product managers to brainstorm the latest technologies and applications
  

• Bachelor's/Master's degree in computer science, engineering, statistics, Mathematics, or relevant field
• 3+ years of experience as a technical architect in blockchain projects or Solidity (rare exceptions made based on skill-level)
• Working experiences on different blockchain platforms, like Hyperledger, Ethereum, Corda, and Bitcoin
• Hands-on experience in blockchain architecture and its applications
• Efficiency in open-source platforms, like Hyperledger, Composer, Truffle, Neo, etc.
• Ability to explain the blockchain concept and its feasibility
  

• Experience in DLT technology
• Enthusiastic learner of emerging blockchain technologies
• Collaborative workability with multi-disciplinary teams
• Client management and project management skills

Role/ Key Responsibilities

- MUST be self directed and have initiative, given basic criteria for a task. We are flexible with execution and design.

- Strong experience writing and testing Solidity contracts on EVM-compatible chains

- Foundry preferred, but Hardhat is acceptable

- Experience / comfort with documentation, flowcharts, etc for complex smart contract systems

- Expert knowledge of git

Key Requirements

Fully remote position, live and work from anywhere in the world

Strong independence and freedom to build and lead your part of the protocol

Competitive salary with career growth to executive roles possible

Generous FXS token allocations and other tokens/bonuses/perks

• Design and Implement Blockchain technology (Services, libraries, Algorithms) using Solidity, Javascript
• Design and Implement high security technology (Services, libraries, Algorithms).
• Writing reusable, testable, and efficient code
  

• 1+ year experience with Ethereum with Solidity and related tools (Truffle, geth, etc.)
• Written smart contracts and deployed them to the Ethereum blockchain
• Familiarity with ERC20, ERC 721 and others
• Deep understanding of blockchain logic
• Familiarity with basic encryption techniques
• Experience with Git or other version control systems
• Contribution to Open Source blockchain projects is a major plus
• Familiar with peer-to-peer networking
• Experience with Test Driven Development Skills:- Blockchain, Cryptography, Smart Contracts, Ethereum, Truffle (Ethereum framework), Geth, NodeJS (Node.js), Web3js and Solidity

• Collaborate with cross-functional teams to translate project requirements into efficient back-end solutions
• Design, develop, and optimize server-side applications and APIs
• Build and maintain secure databases
• Integrate with the front end for a seamless user experience
• Conduct thorough testing and debugging of back-end systems, including unit testing, integration testing, and load testing, to ensure high-quality and reliable deliverables
• Monitor and optimize server infrastructure
• Stay updated with Web3 trends; write clean code
• Participate in agile development processes.

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• Experience with Web3 technologies, such as Ethereum, Solidity, and decentralized application (dApp) development.
• Knowledge of server infrastructure and cloud platforms, such as AWS, Azure, or Google Cloud, and experience in deploying and managing scalable and secure server environments.
• You are highly goal driven and work well in fast-paced environments
• You enjoy finding creative solutions to problems
• Willing to work in Bengaluru, India
• Proven work experience as a Back-End Engineer, specializing in server-side development and web application architecture.
• Strong proficiency in one or more programming languages, such as Node.js, Python, or Go and relevant frameworks and libraries.
• Proficient understanding of databases, including both SQL and NoSQL solutions, and experience with database design and optimization.
• Familiarity with API design principles and RESTful architectures, as well as experience in integrating external APIs and blockchain networks.
• Understanding of version control systems, such as Git, and collaborative development workflows.
• Strong problem-solving skills and attention to detail, with the ability to analyze and debug complex back-end issues.
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.
• Fluency in English in order to be able to liaise with stakeholders in the region effectively.

• Performance Bonus

• Smart Contract Development: Spearhead the creation and implementation of smart contracts
  
  

• Blockchain Integration: Collaborate with cross-functional teams to integrate smart contracts
  
  

• Security Audits: Conduct rigorous security audits on smart contracts, identifying and
  
  

• Protocols and Standards: Stay abreast of emerging blockchain protocols and industry
  
  

• Documentation: Create comprehensive documentation for smart contracts, ensuring clarity
  
  

• Continuous Learning: Stay informed about the latest developments in blockchain technology,
  
  

• Educational Background: Possess a bachelor’s or advanced degree in Computer Science,
  
  

• Smart Contract Development: Demonstrate proficiency in developing smart contracts on
  
  

• Security Focus: Exhibit a keen awareness of blockchain security principles and a track record of
  
  

• Collaboration Skills: Work effectively with cross-functional teams, translating business
  
  

• Problem-Solving Aptitude: Showcase a problem-solving mindset, addressing challenges
  
  

• Communication Skills: Communicate complex technical concepts clearly and concisely to
  
  

• Be a goal-oriented developer, diving deeply into our codebase in order to solve problems spanning from our L1 contracts to our zkp-friendly VM to our core node
• Conduct independent research in your area of ownership, design, implement and document solutions
• Combine great engineering skills with great communication skills in order to onboard the biggest companies in the web3 and web2 worlds to utilize the ZK Stack and deploy Hyperchains
• Develop a strong understanding of the value proposition zkSync can bring to the world derived by a true mastery of the technology
• Work with DeFi Blue Chips to help them deploy on zkSycn Era
  
  
  

• 3+ years in backend software development and a deep understanding of software engineering best-practices and architectures.
• Experience in web3 or blockchain companies/projects.
• Passion for our mission to advance personal freedom for all.
• Strong communication skills and proven ability to efficiently work with remote teams.
• Ownership mindset and a track record of successfully accomplished projects.
• Excellent understanding of Ethereum. Low level understanding of the EVM is a big plus as well as experience with Ethereum development (Hardhat, Foundry, Ethers, Web3, Solidity).
• Thriving solo thinking through complex problems just as much as jumping into meetings with the business team and partners to discuss projects and initiatives in different stages of maturity.
• Security-minded and always checking for potential security threats
• Fluency in written and spoken English
  
  
  

We're seeking a talented Blockchain Developer with 1+ years of experience. As a Developer, you'll play a crucial role in designing, implementing, and maintaining blockchain solutions.

Responsibilities :-

• Design and implement blockchain applications and solutions.
• Collaborate with cross-functional teams to understand project requirements.
• Develop and maintain smart contracts and decentralized applications (DApps).
• Conduct code reviews and ensure code quality and security.
• Stay updated with blockchain technology trends and advancements.

Requirements :-

• Minimum of 1+ years of experience as a Blockchain Developer.
• Proficiency in blockchain technologies and programming languages (e.g., Solidity).
• Understanding of decentralized systems and smart contracts.
• Experience with blockchain frameworks (e.g., Ethereum, Hyperledger).
• Strong problem-solving and collaboration skills.

Skills Required :-

• Blockchain development, smart contracts, Solidity, Ethereum, Hyperledger.
• Problem-solving, collaboration, adaptability.

Fuel innovation with us! Shape the future by crafting, implementing, and maintaining cutting-edge blockchain solutions.

• Build rich configurable and customizable NFT contracts covering various different use cases and requirements
• Working closely with the wider Product and Engineering teams to flesh out and deliver a feature rich and extensive set of smart contracts for use on the platform
• Building order book protocols responsible for settling millions of trades in a secure, GAS efficient and UX friendly way
• Building efficient payment protocols for FX swaps and secure custodial and non-custodial NFT and other crypto asset exchanges.
• Design and build an extensible NFT contracts framework
• Integration of the smart contract suite into various parts of the application stack.
• Helping upskill less experienced members of the team in how to write and deploy complex smart contract systems
  
  

• Experience in building and supporting different types of Smart contract standards include ERC721, ERC721(A), ERC1155, EIP-2981, ERC20, ERC173, ERC712, EIP1271
• Experience in understanding the various forms of smart contract upgradability patterns and when to use them, along with trade-offs
• Experience in integration of smart contracts into various applications including web applications, API services and indexers.
• Proficient and professional production experience in building and deploying Solidity based Smart Contracts on EVM based block chains
• Extensive experience in using NodeJS/TypeScript
• A strong background in writing test driven and secure smart contract applications
• Awareness of common smart contract security flaws and hacks etc
• An understanding of basic cryptography techniques and patterns
• Experience in empowering others to learn
  
  

• Rust programming language
• Subgraph hosted or decentralised network development and deployment
• Understanding and or delivery products with leverage modern forms of Account Abstraction
• IPFS / Arweave or other Decentralised file storage solutions
• Foundry, hardhat or Truffle suite
• Solidity testing frameworks
• Solidity libraries such as OpenZeppelin
• Open source order books such as SeaPort