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Web3.js Jobs

Find remote positions requiring Web3.js skills. Browse through opportunities where you can utilize your expertise and grow your career.

Web3.js
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🔥 (APAC) Web3 Sales Development Representative at GlitchD Labs
Posted about 2 hours ago

📍 Vietnam, Philippines, Singapore, Malaysia

🧭 Part-Time

🔍 Web3

🏢 Company: LunaEdge

  • Prior experience in sales, business development, or partnerships—preferably in Web3, SaaS, fintech, or blockchain.
  • Strong communication skills, both written and verbal.
  • Comfortable with cold outreach and lead qualification.
  • Self-starter with the ability to work independently and part-time while delivering results.
  • Passion for Web3, blockchain, and decentralized technologies is a plus.
  • Familiarity with CRM tools and sales engagement platforms is a plus.
  • Research and identify potential leads, partners, and clients in the Web3, DeFi, and blockchain space.
  • Conduct outreach via email, LinkedIn, and other channels to engage potential partners and set up meetings.
  • Qualify inbound and outbound leads to assess their potential as strategic partners.
  • Assist in managing the sales pipeline and tracking progress in CRM tools.
  • Support the preparation of pitch decks, proposals, and partnership agreements.
  • Conduct competitive analysis and market research to identify new opportunities.
  • Represent the company in online communities, forums, and industry events to build relationships and increase brand awareness.
  • Provide feedback from prospects and partners to help improve sales strategies and product positioning.
  • Stay updated on Web3, DeFi, and blockchain trends to inform outreach strategies.

BlockchainSalesforceWeb3.jsSales experienceMarket ResearchLead GenerationCRMSaaS

Posted about 2 hours ago
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🔥 Crypto SEO Content Writer - Canada Wide - Remote
Posted about 6 hours ago

📍 Canada

🔍 Crypto

  • Deep understanding of cryptocurrency, blockchain, and the broader Web3 ecosystem
  • Proven experience writing crypto-related content, with a portfolio showcasing SEO-driven articles, guides, or educational pieces
  • 3-5 years of experience as a writer in the crypto or fintech space, ideally with an SEO focus
  • Strong SEO knowledge, including experience with keyword research, on-page optimization, and search intent analysis
  • Ability to translate complex technical concepts into digestible, engaging content for a wide range of audiences
  • Experience working with SEO tools such as Google Search Console, Ahrefs, SEMrush, or similar platforms
  • Strong understanding of UX principles and how content impacts user engagement
  • Excellent communication skills for collaborating in a remote work environment
  • Highly organized, detail-oriented, and proactive in managing deadlines and multiple projects
  • Creating high-quality, search-optimized content that aligns with the brand’s voice and engages crypto-savvy audiences
  • Driving organic traffic growth by producing well-researched, SEO-friendly content focused on cryptocurrency, blockchain, and related technologies
  • Owning the content production for crypto-related topics, including product guides, educational resources, and industry insights
  • Providing strategic input on website messaging and optimizing content for search visibility and user experience
  • Conducting keyword research, analyzing search trends, and implementing best practices to improve rankings and discoverability
  • Researching and synthesizing complex crypto concepts into clear, compelling, and informative content
  • Collaborating with stakeholders, gathering data, and staying up to date on crypto industry trends to inform content strategy
  • Working independently in a fast-paced environment that values autonomy, professionalism, and results over micromanagement
  • Leveraging AI as a research and brainstorming tool while ensuring all content is manually written and original—we love AI, but content quality and authenticity come first!

BlockchainData AnalysisContent creationContent managementWeb3.jsCommunication SkillsSEORESTful APIsWritingDigital Marketing

Posted about 6 hours ago
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🔥 Senior Web3 Frontend Engineer
Posted about 9 hours ago

📍 EMEA, LATAM

🧭 Full-Time

🔍 DeFi

🏢 Company: LI.FI👥 51-100💰 $17,500,000 Series A almost 2 years agoBlockchainFinancial ServicesFinanceInformation TechnologyFinTechSoftware

  • Must be proficient in JavaScript and TypeScript.
  • 6+ years of experience as a frontend engineer, with a focus on React development.
  • Previous experience in Web3 development (Viem, Wagmi, @solana/web3.js) is a must.
  • Experience with MUI and Figma, demonstrating the ability to create responsive and visually appealing interfaces.
  • Strong attention to detail when implementing designs and writing frontend code.
  • Understanding of various Ethereum Improvement Proposals (EIPs) and other advancements in the Web3 development ecosystem are appreciated.
  • Excellent communication and teamwork abilities.
  • Open-source contributions and/or maintained repositories are strongly appreciated.
  • Develop and maintain LI.FI SDK, LI.FI Widget and other supporting libraries and UI components, focusing on user-friendly interfaces and functionality.
  • Support and improve library APIs, ensuring they’re robust, elegant, documented, and easy to use.
  • Contribute to open-source projects and maintain public repositories, enhancing visibility and impact within the developer community.
  • Implement and maintain automated tests to ensure the reliability and scalability of frontend components.
  • Work with Ethereum Improvement Proposals (EIPs), specifically those involving account abstraction and wallet connectivity, to stay ahead of evolving Web3 standards.
  • Collaborate closely with cross-functional teams to align frontend solutions with backend architecture and overall project goals.

FigmaFrontend DevelopmentJavascriptTypeScriptReactWeb3.js

Posted about 9 hours ago
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🔥 Performance & Lifecycle Marketing Manager
Posted 1 day ago

📍 United States

🔍 E-commerce

🏢 Company: OCTI Management

  • 5+ years of experience in e-commerce marketing, preferably managing multiple brands.
  • Strong experience with SEO, including technical optimization, content strategy, and backlink management.
  • Proficiency in Google Analytics, Meta Business Suite, and marketing attribution platforms (Triple Whale, Northbeam, GA4).
  • Experience managing and optimizing paid ad budgets ($50K+/month) while maintaining profitable ROAS.
  • Own customer retention strategies across email, SMS, and loyalty programs, focusing on increasing LTV, engagement, and repeat purchases.
  • Develop and automate lifecycle marketing flows (welcome series, abandoned cart, post-purchase upsells, re-engagement).
  • Own and execute an SEO strategy that increases organic traffic and revenue across multiple brands.
  • Develop and manage organic social media strategies for Instagram, TikTok, and Meta, ensuring brand storytelling aligns with engagement goals.

Data AnalysisShopifyGoogle AnalyticsContent creationContent managementWeb3.jsSEOReportingData visualizationMarketingA/B testing

Posted 1 day ago
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🔥 Senior Blockchain Engineer (Visa Sponsorship and relocation to the UK offered)
Posted 1 day ago

📍 United Kingdom, Poland, South Africa, Spain, Portugal, Romania

🔍 Web3

  • Experienced in Web3 Development: We are interested in candidates with prior experience in the Web3 space. This could include projects involving meme coins, DeFi trading platforms, smart contracts, NFTs, wallets, decentralized applications (DApps), or other related areas
  • Understanding of Cryptocurrency Wallet Infrastructure: An understanding of cryptocurrency wallet infrastructure across various networks (such as Ethereum, Bitcoin, Solana, Ripple, or others)
  • Experienced with RPC Interaction: Experience working with Remote Procedure Calls (RPC) to interact with blockchains is valuable. This could involve using libraries like viem, ethers, solana/web3.js, or similar JavaScript frameworks to broadcast transactions
  • Have a Working Knowledge of T oken Standards & EIPs: A working knowledge of common token standards like ERC-20 and SPL-20, and Ethereum Improvement Proposals (EIPs) specifically around account abstraction, would be beneficial
  • Experienced Building Scalable Blockchain Infrastructure: Experience in building and scaling infrastructure that interacts with blockchain networks is highly desirable
  • (Bonus) Familiar with Digital Asset & NFT Minting: Familiarity with infrastructure for creating (minting) digital assets and NFTs is a nice to have, particularly within the Ethereum ecosystem
  • Contribute to building and expanding our cutting-edge DeFi Trading infrastructure from the ground up
  • Play a key role in managing the self-custody wallet infrastructure powering our consumer application
  • Integrate with a diverse range of L1/L2/L3 networks and liquidity protocols
  • Engage with an ever-growing landscape of blockchains and networks, spanning the DeFi ecosystem and wallet infrastructure development (currently supporting Bitcoin, Ripple, Ethereum/EVM, and Solana, with more to come)
  • Collaborate closely with Product Managers to develop innovative solutions and implementation strategies for new features and improvements
  • Participate in estimations, planning, and execution of projects, features, and integrations as a valued contributor
  • Develop and maintain thoroughly tested, high-quality, and performant code

AWSBackend DevelopmentBlockchainEthereumFrontend DevelopmentReact NativeTypeScriptWeb3.js

Posted 1 day ago
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🔥 Business Development Manager - US
Posted 1 day ago

📍 United States

🧭 Full-Time

🔍 DeFi

🏢 Company: LI.FI👥 51-100💰 $17,500,000 Series A almost 2 years agoBlockchainFinancial ServicesFinanceInformation TechnologyFinTechSoftware

  • At least 3-5 years of relevant sales/business development experience managing sales cycles with enterprise client in crypto/DeFi/technology related businesses
  • In-depth understanding & relevant experience in the cryptocurrency and blockchain industry
  • You have managed a B2B sales pipeline and been accountable for updating progress in CRM
  • Adept written and analytical skills for deal analysis and internal reporting
  • Sophisticated interpersonal skills to understand people, their motivations and have convincing conversations
  • Strong ability to work well within a team and to be self-guided on a day-to-day basis
  • Ability to create materials from scratch including proposal, sales collateral, presentations.
  • Must be based in US (preferably New York City)
  • Experience with Hubspot
  • Building and expanding a pipeline of both crypto and non-crypto integration partners across all verticals (e.g. DeFi, TradFi, Fintech, GameFi, NFTs, etc.)
  • Leveraging existing networks and contacts in the blockchain space for key integrations.
  • Proactively engage with the web3 space representing our company and technical product, consistently feeling the pulse of the ecosystem
  • Attending relevant regional events representing LI.FI, lead speaking engagements and content development for industry events
  • Establishing good relationships with various teams (operations, marketing, community management) to ensure good operational synergy

BlockchainBusiness DevelopmentSalesforceCross-functional Team LeadershipAPI testingWeb3.jsCommunication SkillsRESTful APIsAccount ManagementNegotiation skillsSales experienceLead GenerationCRM

Posted 1 day ago
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🔥 Business Development Manager / Director - FinTech
Posted 1 day ago

📍 United States

🧭 Full-Time

🔍 FinTech

🏢 Company: Dynamic👥 101-250Civil EngineeringBuilding MaintenanceConstructionProject Management

  • 3+ years of quota-carrying tech sales experience, especially within web3, fintech, enterprise SaaS, and cloud software.
  • Demonstrated track record closing enterprise deals and exceeding quota.
  • Strategic understanding of the fintech, stablecoin, and payments ecosystem, ideally with a strong existing network within the space.
  • Demonstrated passion for web3, either professionally or personally, and a strong belief in its power to change the world for the better.
  • Able to handle a high volume of work and shifting priorities in a fast-paced startup environment.
  • Bachelor’s degree or equivalent working experience in a related role
  • Own the end-to-end sales process from prospecting to pitching, and closing deals across fintech, stablecoin, and payment-related verticals.
  • Maintain a healthy sales pipeline by identifying and sourcing opportunities from your personal network and from prospecting.
  • Forge deep relationships with key decision makers - stay on top of industry trends and current events, and know how to translate that into top-of-funnel activities with later lower-funnel outcomes.
  • Adopt a high standard for communication and responsiveness to your prospects and clients across tools like Telegram, Slack, Twitter, LinkedIn, etc.
  • Bring organization and structure in keeping track of your sales activities and status of your book across internal systems.
  • Collaborate cross-functionally with various internal teams.

BlockchainBusiness DevelopmentCloud ComputingWeb3.jsCommunication SkillsRESTful APIsRelationship buildingAccount ManagementNegotiation skillsClient relationship managementSales experienceLead GenerationStrategic thinkingCRMSaaS

Posted 1 day ago
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🔥 Head of Marketing, Mantle Network
Posted 2 days ago

📍 APAC

🧭 Full-Time

🔍 Blockchain

🏢 Company: Windranger Labs

  • A minimum of 7-10 years of progressive experience in marketing roles, preferably in the blockchain, technology, or Web3 space.
  • Proven track record of developing and executing successful marketing strategies and campaigns.
  • Strong leadership skills with experience managing and mentoring diverse teams in a fast-paced environment.
  • Experience managing large-scale marketing budgets and driving measurable ROI.
  • A strategic mindset with the ability to think creatively and solve complex marketing challenges.
  • Demonstrated ability to build and maintain relationships with key partners, agencies, and stakeholders.
  • Strong project management skills, with the ability to prioritize and manage multiple initiatives simultaneously.
  • Develop and implement innovative marketing strategies aligned with business objectives to enhance brand visibility, customer engagement, and market penetration.
  • Lead and mentor a high-performing marketing team, fostering a culture of creativity, collaboration, and excellence.
  • Collaborate with senior leadership and cross-business unit executives, to define marketing goals, priorities, and budgets.
  • Oversee all aspects of marketing, including brand management, digital marketing, content marketing, social media, events, and public relations.
  • Develop and execute multi-channel marketing campaigns to reach target audiences and drive lead generation, conversion, and retention.
  • Monitor and analyze key performance indicators (KPIs) to measure marketing effectiveness, ROI, and campaign performance.
  • Manage marketing budgets, allocate resources effectively, and optimize marketing spend to achieve business goals and maximize ROI.
  • Build and maintain relationships with external partners, agencies, vendors, and industry stakeholders to support marketing initiatives and partnerships.

LeadershipProject ManagementBlockchainData AnalysisPeople ManagementContent creationWeb3.jsCommunication SkillsSEONegotiationSales experienceMarket ResearchMarketingStakeholder managementLead GenerationStrategic thinkingDigital MarketingCRMFinancial analysisBudget managementA/B testing

Posted 2 days ago
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🔥 Staff Software Engineer (Messaging Protocol)
Posted 4 days ago

📍 North/South America

🧭 Full-Time

💸 200000.0 - 250000.0 USD per year

🔍 Software Development

🏢 Company: Ephemera

  • Minimum of 10+ years of professional experience as a software engineer, staff level.
  • Expertise in Rust and at least one of the following: Kotlin, Swift, C++.
  • Extensive experience designing, developing, and maintaining communication protocols with an emphasis on performance, scalability, and security.
  • Understanding of encryption algorithms (e.g., AES, RSA), key exchange protocols (e.g., Diffie-Hellman), and secure messaging protocols (e.g., Signal Protocol, PGP).
  • A proven aptitude for adversarial systems design, including identifying and mitigating potential security risks.
  • Prior involvement in open-source SDK projects and public communications.
  • Design, build, and maintain XMTP, our E2EE messaging protocol.
  • Extend our encrypted group chat protocol to work for 1:1 conversations.
  • Determine how to share user state between devices in a privacy-preserving way.
  • Designing a protocol to share whether or not a message was sent by a given user with third party servers in a trust-minimized way
  • Collaborate closely with other engineers, developers, and stakeholders to help our small team build with confidence and deliver with velocity.
  • Engage in open-source communities and events, representing Ephemera effectively in public forums.
  • Evaluate and recommend trade-offs in our development plans and system design, considering factors such as security, scalability, efficiency, and cost.

BlockchainKotlinSwiftC++RustWeb3.jsCommunication SkillsSoftware Engineering

Posted 4 days ago
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🔥 Lead Security Auditor (Defense)
Posted 4 days ago

📍 Europe & Americas

🔍 Crypto

🏢 Company: Thesis Defense

  • A deep understanding of blockchain technology, smart contracts, and decentralized systems.
  • Leadership and management training.
  • Excellent analytical, problem-solving, and communication skills, capable of conveying complex security concepts to diverse audiences.
  • Effective communication and reporting skills, capable of explaining technical details and recommendations to non-technical stakeholders.
  • Detail-oriented with a proactive approach to problem-solving.
  • A commitment to continuous learning and staying current with the evolving landscape of security threats and defenses.
  • Prior experience working in a fully remote, geographically-distributed workplaces.
  • Deep listening skills and empathy.
  • Lead and manage a team of Security Auditors.
  • Establish technical growth goals for individual members and the team at large.
  • Oversee the technical onboarding of new team members to ensure successful integration into the auditing team.
  • Lead the establishment and documentation of the process auditing process for security auditors.
  • Participate in the determination and execution of the auditor recruitment strategy.
  • Conduct regular assessments to determine the team's knowledge gaps and skill development requirements based on market needs and open opportunities. Develop and implement learning plans to address these needs.
  • Optimize processes and workflows, cultivate trust, and encourage collaboration.
  • Work with leadership to align the goals of the team with broader business objectives while surfacing technical concerns and performance reporting.
  • Act as security liaison to the Thesis engineering department, identifying opportunities for technical cooperation and sharing of resources, as well as fostering an exchange of ideas between product teams and Defense security experts.
  • Facilitate security training sessions for technical and non-technical team members to foster a culture of security awareness.
  • Participate in identifying the opportunity for and lead the design and implementation of automated security tools to support increased efficacy and efficiency of the Security Auditors, or to contribute to the broader security community.
  • Stay abreast of emerging security threats, vulnerabilities, and controls in the crypto space, continuously adapting audit strategies to mitigate new risks.
  • Develop strategies to keep pace with the rapidly changing market for security audits.

LeadershipPythonBlockchainCybersecurityEthereumSoftware ArchitectureWeb3.jsCommunication SkillsAnalytical SkillsCI/CDProblem SolvingAgile methodologiesRESTful APIsMentoringLinuxDevOpsTechnical support

Posted 4 days ago
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