Offchain Labs is building a suite of scaling solutions for Ethereum. This includes Arbitrum, an Optimistic Rollup, that instantly scales apps, reducing costs and increasing capacity, without sacrificing Ethereum's security. Porting contracts to Arbitrum requires no code changes or downloads since it’s compatible with existing Ethereum developer languages and tooling.\nOur team is extremely passionate and works tirelessly to bridge the gap between what blockchain is and what blockchain can be. We strive to maintain an atmosphere that fosters innovation and new ideas through collaboration, research, and deep discussions. After raising an initial round of $3.8M in seed funding in January 2019 and a $20M series A, as well as a $100M series B in 2021, we are ready to hire additional team members that have an interest in working in the blockchain space and a knack for approaching problems in unconventional ways.\nWho you are:\n\n\n\n* Possess extensive production experience with Golang\n\n* Excited to learn and develop blockchain technology (No experience yet? No problem!)\n\n* Possess a strong sense of ownership in your work, which drives you to find ways to do things better and faster\n\n* Always up-to-speed on the latest technologies\n\n* Constantly on the lookout for new and innovative ways to solve complex problems through rigorous experimentation\n\n* Your communication style is open, transparent, and direct, and you consistently work in tight collaboration with your teammates\n\n* Always open to feedback, new ideas, and opportunities for self-improvement\n\n* You look for ways to help out beyond the scope of your day-to-day work\n\n\n\nWhat you've done:\n\n\n\n* Made significant contributions to the products you’ve worked on in your career\n\n* Have dabbled in, educated yourself on, or are experienced working on blockchain technology\n\n* Eager to bring cutting-edge research to the real world and help build a platform for the next generation of cryptocurrency applications\n\n* Experience working with compilers, architecting systems and developing SDKs\n\n* Security-minded and always keeping an eye out for potential threats and vulnerabilities in your code\n\n* Mastered CS fundamentals, either in a formal university program or through self-learning\n\n\nWe understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to solve the challenges involved in developing and improving Arbitrum. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Ethereum, Senior, Golang and Engineer jobs that are similar:\n\n $65,000 — $110,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nWorldwide

About\n\nXMTP, Inc. was co-founded by Matt Galligan and Shane Mac, and is headquartered on the web. Our mission at XMTP Labs is to build a secure, open, and decentralized communication protocol that connects creators, communities, apps, and users. We set out to design a modern organization from the start—one that’s global, remote, and asynchronous-by-default.\n\nWe’re backed by some of the best investors in tech and crypto: a16z Crypto, Offline Ventures, Sound Ventures, Distributed Global, Redpoint, IDEO CoLab and many more key ecosystem investors and operators. See the full list here.\nExperience\n\n\n* 5+ years of experience building distributed software systems, with substantial exposure to cryptographic protocols and blockchain technologies.\n\n* Demonstrable experience in designing, building, and operating crypto-based decentralized systems, with the capability to identify, comprehend, and integrate trade-offs.\n\n* Hands-on experience building with and on various protocols, underlining a thorough understanding of protocol design principles.\n\n* Specialization in at least one or two of the following areas: smart contract development, protocol mechanism design, consensus algorithm design. A well-rounded, “T-shaped” expertise profile is preferred.\n\n* Proficiency in building with Golang and Solidity, and experience with networking protocols, specifically with peer-to-peer network implementation like libp2p.\n\n\n\n\nNice to have\n\n\n* \n\n\n* Experience with off-chain scaling solutions such as state channels or layer-2 solutions.\n\n* Previous involvement in privacy-preserving cryptographic technologies, or with zero knowledge cryptography\n\n* Contributions to open-source projects, particularly in the domains of blockchain, cryptocurrency, or decentralized systems.\n\n* Familiarity with DevOps, operations, and container orchestration technologies like Kubernetes and Docker.\n\n\n\n\n\n\n\nResponsibilities\n\n\n* Design, develop, and implement protocols for decentralized systems within the blockchain and cryptocurrency domain.\n\n* Participate actively in protocol design sessions, contributing with technical expertise and innovative solutions.\n\n* Evaluate trade-offs in system design, considering factors such as security, scalability, efficiency, and cost.\n\n* Write and maintain robust, efficient, and secure code using languages such as Golang and Solidity.\n\n* Utilize technologies like libp2p for the implementation of peer-to-peer networking protocols.\n\n* Stay updated with latest developments and trends in cryptoeconomics, networking protocols, and relevant technological advancements.\n\n* Collaborate closely with other engineers, developers, and stakeholders to ensure seamless integration and alignment of technologies and systems.\n\n* Handle debugging, troubleshooting, and performance tuning tasks to ensure system stability and high performance.\n\n* Mentor and guide other engineers, fostering an inclusive and innovative team culture.\n\n\n\nBenefits\n\n\nGenerous and competitive compensation package  \n\nSalary range between $160-250k (depending on experience + location)\n\nRemote-first environment with semi-yearly gatherings to connect IRL\n\nFull paid Medical, Dental, Vision insurance\n\nParental Leave \n\nIT Equipment and WFH setup\n\nMonthly Wellness and Lifestyle stipend \n\nPersonal assistant\n\nFlexible vacation (with minimum requirements to ensure rest and time-off to pursue your passions outside of work) \n\nAnd much more! \n\n\n\nCulture\n\nWe think of ourselves as a “grown-up” startup—building a company that’s fair, equitable, and rewarding for everyone to work at, with an emphasis on having fun while building an ambitious project.\n\nJoining XMTP Labs today represents not just an opportunity to play a key role in building an essential part of the next web, but also in establishing the core DNA of the company.\n\nHere's an inside look at XMTPand some of the frequently asked questions about our culture, answered by one of our co-founders and core team members.\n\nXMTP, Inc. is an equal opportunity employer and is committed to building an inclusive team with a variety of backgrounds, experiences, and skills. We value diversity at our company and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Please notify your recruiter of any disabilities or time preferences based off your current location and time zone.  \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Golang and Engineer jobs that are similar:\n\n $60,000 — $110,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nWorldwide

About\n\nXMTP, Inc. was co-founded by Matt Galligan and Shane Mac, and is headquartered on the web. Our mission at XMTP Labs is to build a secure, open, and decentralized communication protocol that connects creators, communities, apps, and users. We set out to design a modern organization from the start—one that’s global, remote, and asynchronous-by-default.\n\nWe’re backed by some of the best investors in tech and crypto: a16z Crypto, Offline Ventures, Sound Ventures, Distributed Global, Redpoint, IDEO CoLab and many more key ecosystem investors and operators. See the full list here.\nExperience\n\n\n* 5+ years of experience building distributed software systems, with substantial exposure to cryptographic protocols and blockchain technologies.\n\n* Demonstrable experience in designing, building, and operating crypto-based decentralized systems, with the capability to identify, comprehend, and integrate trade-offs.\n\n* Hands-on experience building with and on various protocols, underlining a thorough understanding of protocol design principles.\n\n* Specialization in at least one or two of the following areas: smart contract development, protocol mechanism design, consensus algorithm design. A well-rounded, “T-shaped” expertise profile is preferred.\n\n* Proficiency in building with Golang and Solidity, and experience with networking protocols, specifically with peer-to-peer network implementation like libp2p.\n\n\n\n\nNice to have\n\n\n* \n\n\n* Experience with off-chain scaling solutions such as state channels or layer-2 solutions.\n\n* Previous involvement in privacy-preserving cryptographic technologies, or with zero knowledge cryptography\n\n* Contributions to open-source projects, particularly in the domains of blockchain, cryptocurrency, or decentralized systems.\n\n* Familiarity with DevOps, operations, and container orchestration technologies like Kubernetes and Docker.\n\n\n\n\n\n\n\nResponsibilities\n\n\n* Design, develop, and implement protocols for decentralized systems within the blockchain and cryptocurrency domain.\n\n* Participate actively in protocol design sessions, contributing with technical expertise and innovative solutions.\n\n* Evaluate trade-offs in system design, considering factors such as security, scalability, efficiency, and cost.\n\n* Write and maintain robust, efficient, and secure code using languages such as Golang and Solidity.\n\n* Utilize technologies like libp2p for the implementation of peer-to-peer networking protocols.\n\n* Stay updated with latest developments and trends in cryptoeconomics, networking protocols, and relevant technological advancements.\n\n* Collaborate closely with other engineers, developers, and stakeholders to ensure seamless integration and alignment of technologies and systems.\n\n* Handle debugging, troubleshooting, and performance tuning tasks to ensure system stability and high performance.\n\n* Mentor and guide other engineers, fostering an inclusive and innovative team culture.\n\n\n\nBenefits\n\n\nGenerous and competitive compensation package  \n\nSalary range between $160-250k (depending on experience + location)\n\nRemote-first environment with semi-yearly gatherings to connect IRL\n\nFull paid Medical, Dental, Vision insurance\n\nParental Leave \n\nIT Equipment and WFH setup\n\nMonthly Wellness and Lifestyle stipend \n\nPersonal assistant\n\nFlexible vacation (with minimum requirements to ensure rest and time-off to pursue your passions outside of work) \n\nAnd much more! \n\n\n\nCulture\n\nWe think of ourselves as a “grown-up” startup—building a company that’s fair, equitable, and rewarding for everyone to work at, with an emphasis on having fun while building an ambitious project.\n\nJoining XMTP Labs today represents not just an opportunity to play a key role in building an essential part of the next web, but also in establishing the core DNA of the company.\n\nHere's an inside look at XMTPand some of the frequently asked questions about our culture, answered by one of our co-founders and core team members.\n\nXMTP, Inc. is an equal opportunity employer and is committed to building an inclusive team with a variety of backgrounds, experiences, and skills. We value diversity at our company and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Please notify your recruiter of any disabilities or time preferences based off your current location and time zone.  \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Golang and Engineer jobs that are similar:\n\n $60,000 — $110,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nWorldwide

About\n\nXMTP, Inc. was co-founded by Matt Galligan and Shane Mac, and is headquartered on the web. Our mission at XMTP Labs is to build a secure, open, and decentralized communication protocol that connects creators, communities, apps, and users. We set out to design a modern organization from the start—one that’s global, remote, and asynchronous-by-default.\n\nWe’re backed by some of the best investors in tech and crypto: a16z Crypto, Offline Ventures, Sound Ventures, Distributed Global, Redpoint, IDEO CoLab and many more key ecosystem investors and operators. See the full list here.\nExperience\n\n\n* 8+ years building distributed software systems, with significant exposure to cryptographic\nprotocols and blockchain technologies.\n\n* Proven experience leading technical teams and guiding the design and implementation of complex systems.\n\n* Proven track record in setting strategic directions for system design and security protocols, with\nhands-on experience in building on various protocols.\n\n* Specialization in smart contract development, protocol mechanism design, or consensus\nalgorithm design.\n\n* Preferably a well-rounded, "T-shaped" expertise profile.\n\n* Proficiency in Golang and Solidity, along with experience in networking protocols and\npeer-to-peer network implementation like libp2p.\n\n\n\n\nNice to have\n\n\n* \n\n\n* Experience with off-chain scaling solutions such as state channels or layer-2 solutions.\n\n* Previous involvement with privacy-preserving cryptographic technologies, or with zero knowledge cryptography\n\n* Contributions to open-source projects, particularly in blockchain, cryptocurrency, or decentralized\nsystems domains.\n\n* Familiarity with DevOps, operations, and container orchestration technologies like Kubernetes and Docker.\n\n\n\n\n\n\n\nResponsibilities\n\n\n* Lead the design, development, and implementation of protocols for decentralized systems within\nthe blockchain and cryptocurrency domain.\n\n* Facilitate protocol design sessions, mentor junior team members, and provide technical expertise\nand innovative solutions.\n\n* Evaluate and make strategic decisions on trade-offs in system design, considering security,\nscalability, efficiency, and cost.\n\n* Write and maintain robust, efficient, and secure code using languages such as Golang and Solidity.\n\n* Utilize technologies like libp2p for peer-to-peer networking protocol implementation.\n\n* Stay updated on the latest developments in crypto economics and networking protocols,\nproviding guidance on their potential impact.\n\n* Build and maintain relationships with other teams and stakeholders, ensuring seamless\nintegration and alignment of technologies and systems.\n\n* Troubleshoot high-level system issues, guide performance tuning tasks, and directly handle\ndebugging and performance tuning to ensure system stability and high performance.\n\n\n\nBenefits\n\n\nGenerous and competitive compensation package \n\nSalary range between $160-250k (depending on experience + location)\n\nRemote-first environment with semi-yearly gatherings to connect IRL\n\nFull paid Medical, Dental, Vision insurance\n\nParental Leave \n\nIT Equipment and WFH setup\n\nMonthly Wellness and Lifestyle stipend \n\nPersonal assistant\n\nFlexible vacation (with minimum requirements to ensure rest and time-off to pursue your passions outside of work) \n\nAnd much more! \n\n\n\nCulture\n\nWe think of ourselves as a “grown-up” startup—building a company that’s fair, equitable, and rewarding for everyone to work at, with an emphasis on having fun while building an ambitious project.\n\nJoining XMTP Labs today represents not just an opportunity to play a key role in building an essential part of the next web, but also in establishing the core DNA of the company.\n\nHere's an inside look at XMTP and some of the frequently asked questions about our culture, answered by one of our co-founders and core team members.\n\nXMTP, Inc. is an equal opportunity employer and is committed to building an inclusive team with a variety of backgrounds, experiences, and skills. We value diversity at our company and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Please notify your recruiter of any disabilities or time preferences based off your current location and time zone. \n\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nWorldwide

\nAbout Energi\n\nEnergi (NRG) is a next-generation Proof of Stake (PoS) cryptocurrency, combining Ethereum-compatible smart contracts with on-chain governance, a self-funding treasury, and a layer 2 masternode network, enabling powerful DeFi applications.\n\nWe are a fully remote company with no fixed headquarters. The team is spread throughout the Americas, Europe, Africa, Asia, and Oceania. With more than 90 contributors, the team forms a well-linked network across a variety of locations, lifestyles, and backgrounds.\n\nEnergi's culture is driven by integrity, strategic thinking, leadership, and the shared desire to perform at our peak. While our differences make us adaptable and versatile, it's our shared values that give us the strength and drive to become the cryptocurrency for world consciousness.\n\nWhat’s in It for You?\n\n\nWork flexible hours from anywhere and be part of a team that is driven by strong values and a clear shared vision.\n\nDirectly shape the future of a completely new model for cryptocurrency and blockchain applications.\n\nChallenge your skills and push your creative limits working with the latest blockchain technologies & systems.\n\nPlay an active role in one of the most significant technological innovations in human history. \n\nReceive a competitive salary paid in a combination of BTC and NRG.\n\n\n\n\nWhat we’re looking for:\n\nWe are looking for a full-time blockchain developer with golang/solidity skills who can work on a distributed (remote) team to continue the development and improvement of our platform, Energi product suite, and technology strategy.\n\nOur ideal candidate is highly motivated and passionate about the future of blockchain technology and cryptocurrencies. They should be fully up to date on the latest technologies and standards in the blockchain space and have extensive experience writing code for a large-scale blockchain organization.\n\nWhat You Will Do\n\n\nDevelop and maintain Energi blockchain platform\n\nBuild, review, and help to design high-quality, maintainable code\n\nWrite documentation of code, algorithms, interfaces, and APIs\n\nTest and peer-review code\n\nMaintain and fix bugs in the Energi Blockchain full Node software\n\nWork autonomously with a high degree of ownership\n\nSupport, mentor, and guide other engineers in the team\n\n\n\n\nEssential Requirements\n\n\nMinimum 3 years hands-on experience with Golang and Solidity\n\n7+ years of commercial software development experience\n\nStrong skills in core Computer Science theory/use (data structures, algorithms, etc.)\n\nGood knowledge of Solidity & smart contracts\n\nExperience with Truffle / Ganache\n\nValues aligned with the Energi culture and values\n\n\n\n\nNice to Have\n\n\n2+ years of core blockchain development experience (a commercial or large open-source project)\n\nFluent English communicator\n\n\n\n\nThis role is not open to 3rd party organizations or agencies. Any candidates sent will be considered free of any charges\n\nEnergi is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, age, veteran status, or other characteristics.\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Defi, Solidity, Node and Golang jobs that are similar:\n\n $60,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nGlobal - Remote

Offchain Labs is building a suite of scaling solutions for Ethereum. This includes Arbitrum, an Optimistic Rollup, that instantly scales apps, reducing costs and increasing capacity, without sacrificing Ethereum's security. Porting contracts to Arbitrum requires no code changes or downloads since it’s compatible with existing Ethereum developer languages and tooling.\n\n\n\nOur team is extremely passionate and works tirelessly to bridge the gap between what blockchain is and what blockchain can be. We strive to maintain an atmosphere that fosters innovation and new ideas through collaboration, research, and deep discussions. After raising an initial round of $3.8M in seed funding in January 2019 and a $20M series A, as well as a $100M series B in 2021, we are ready to hire additional team members that have an interest in working in the blockchain space and a knack for approaching problems in unconventional ways.\n\n\n\nWho you are:\n\n\n\n\n\n* Possess extensive production experience with Golang\n* Excited to learn and develop blockchain technology (No experience yet? No problem!)\n* Experienced with compiler construction and architecture, and security engineering on large-scale systems is a plus\n* Possess a strong sense of ownership in your work, which drives you to find ways to do things better and faster\n* Always up-to-speed on the latest technologies\n* Constantly on the lookout for new and innovative ways to solve complex problems through rigorous experimentation\n* Your communication style is open, transparent, and direct, and you consistently work in tight collaboration with your teammates\n* Always open to feedback, new ideas, and opportunities for self-improvement\n* You look for ways to help out beyond the scope of your day-to-day work\n\n\n\n\nWhat you've done:\n\n\n\n\n\n* Made significant contributions to the products you’ve worked on in your career\n* Have dabbled in, educated yourself on, or are experienced working on blockchain technology\n* Eager to bring cutting-edge research to the real world and help build a platform for the next generation of cryptocurrency applications\n* Experience working with compilers, architecting systems and developing SDKs\n* Security-minded and always keeping an eye out for potential threats and vulnerabilities in your code\n* Mastered CS fundamentals, either in a formal university program or through self-learning\n\n\nWe understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to solve the challenges involved in developing and improving Arbitrum. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nWorldwide