\nAt River Financial, we have made a commitment to building financial solutions that power a transparent and efficient global economic system made possible by Bitcoin. To that end, we have built leading Bitcoin brokerage, mining, and custody products to keep our clients ahead of the curve. We aim to bring premier Bitcoin banking solutions that offer a full array of financial services to our clients. \n\nWe are seeking a Software Engineer with a foundational understanding of software development, a keen interest in Elixir (Phoenix and LiveView), and a strong desire to contribute to our robust web stack.\n\nAt River, we prioritize both hard skills and shared values. We are looking for a candidate who is dedicated, eager to learn, and able to embrace challenges. You will be part of a team that develops features used by clients daily, contributing primarily to our Elixir, Phoenix, and LiveView codebase, with occasional work in JavaScript.\n\nRiver is headquartered in Columbus, OH, and has raised more than $50 million from leading investors, including; Goldcrest, Kingsway, Polychain, M13, DG, and Valor.\n\nWhat you will be doing\n\n\nContribute to the development of new features and products in our Elixir-based web applications and API\n\nCollaborate closely with product management for planning and scoping new initiatives\n\nWrite high-quality, tested code with an understanding of web security fundamentals\n\nParticipate actively in code reviews\n\n\n\n\nWhat we look for in you\n\n\nUnderstanding of software engineering fundamentals\n\nExposure to or eagerness to learn Elixir, Phoenix, and LiveView\n\nAbility to take ownership and write reliable, high-quality code\n\n\n\n\nAt River, we provide a supportive environment with adequate supervision and coaching, but we also value independence. We expect you to manage your tasks effectively, ask for help when needed, and consistently strive for improvement.\n\nNice to haves\n\n\nPrior fintech experience\n\nFamiliarity with Postgres and Kubernetes\n\nInterest or experience in working at a rapidly scaling company\n\nCuriosity or interest in Bitcoin\n\n\n\n\nOur mission at River is ambitious, but we believe in our team and value the individual growth and contributions of each member. If you are passionate about building robust financial solutions and are excited about Bitcoin, you’ll fit right in.\n\nLocation & Salary\n\n\n100% remote option available, with offices in SF, NYC, and Columbus \n\nSalary range between $120,000 - $150,000 based on skills and experience\n\n* Significant equity stock options\n\nMedical, Dental and Vision Benefits \n\nUnlimited PTO \n\nParental Leave separate from PTO policy\n\n401k\n\n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Finance and Engineer jobs that are similar:\n\n $80,000 — $140,000/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

\n\nAt River, we are committed to building financial solutions that power a transparent and efficient global economic system made possible by Bitcoin. To that end, we have built leading Bitcoin brokerage and custody products to keep our clients ahead of the curve. We aim to bring premier Bitcoin banking solutions that offer a full array of financial services to our clients.\n\nWe are looking for a senior candidate who is comfortable across the entire web stack and has experience building and maintaining production systems at scale. This person will be building features that our clients use every day. Our web stack consists primarily of Elixir (Phoenix and LiveView) with Postgres for data storage.\n\nRiver is headquartered in Columbus, OH, and has raised more than $50 million from leading investors, including; Goldcrest, Kingsway, Polychain, M13, DG, and Valor.\nWhat you will be doing\n\n\nArchitect and develop new features and products in the Elixir codebase powering our web applications and API\n\nWork closely with product management to plan and scope new projects and initiatives\n\nWrite high-quality, tested code\n\nParticipate in code-reviews\n\nHelp shape the culture of the engineering organization for years to come\n\n\n\nWhat we look for in you\n\n\n4+ years of experience in software engineering\n\nYou have designed, built and maintained production services at scale and understand how to build reliable systems\n\nYou write high-quality, reliable code and take ownership of systems you work on\n\nYou have experience developing solutions to ambiguous problems\n\nYou're excited about what we are building at River\n\nYou have a solid understanding of web security fundamentals\n\n\n\nNice to haves\n\n\nFintech experience\n\nYou have worked with Elixir, Kubernetes, Postgres\n\nYou have worked at a rapidly scaling company\n\nInterest in Bitcoin\n\n\n\nLocation & Salary \n\n\n* 100% remote option available within the Americas and Europe, with offices in SF, NYC, and Columbus \n\n* Salary range between $150,000 - $220,000 based on skills and experience \n\n* Significant equity stock options\n\nMedical, Dental and Vision Benefits \n\nUnlimited PTO \n\nParental Leave separate from regular PTO policy\n\n401k\n\n\n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Finance, Senior and Engineer jobs that are similar:\n\n $70,000 — $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\nRemote - Americas + Europe

\n\nAt River Financial, we have made a commitment to building financial solutions that power a transparent and efficient global economic system made possible by Bitcoin. To that end, we have built leading Bitcoin brokerage, mining, and custody products to keep our clients ahead of the curve. We aim to bring premier Bitcoin banking solutions that offer a full array of financial services to our clients. \n\nWe are looking for a senior candidate who is comfortable across the entire web stack and has experience building and maintaining production systems at scale. This person will be building features that our clients use every day. Our web stack consists primarily of Elixir (Phoenix and LiveView) with Postgres for data storage.\n\nRiver is headquartered in Columbus, OH, and has raised more than $50 million from leading investors, including; Goldcrest, Kingsway, Polychain, M13, DG, and Valor.\nWhat you will be doing\n\n\nArchitect and develop new features and products in the Elixir codebase powering our web applications and API\n\nWork closely with product management to plan and scope new projects and initiatives\n\nWrite high-quality, tested code\n\nParticipate in code-reviews\n\nHelp shape the culture of the engineering organization for years to come\n\n\n\nWhat we look for in you\n\n\n4+ years of experience in software engineering\n\nYou have designed, built and maintained production services at scale and understand how to build reliable systems\n\nYou write high-quality, reliable code and take ownership of systems you work on\n\nYou have experience developing solutions to ambiguous problems\n\nYou're excited about what we are building at River\n\nYou have a solid understanding of web security fundamentals\n\n\n\nNice to haves\n\n\nFintech experience\n\nYou have worked with Elixir, Kubernetes, Postgres\n\nYou have worked at a rapidly scaling company\n\nInterest in Bitcoin\n\n\n\nLocation & Salary \n\n\n* 100% remote option available, with offices in SF, NYC, and Columbus \n\n* Salary range between $150,000 - $220,000 based on skills and experience \n\n* Significant equity stock options\n\nMedical, Dental and Vision Benefits \n\nUnlimited PTO \n\nParental Leave separate from regular PTO policy\n\n401k\n\n\n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Finance, Senior and Engineer jobs that are similar:\n\n $70,000 — $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

\nAt River Financial, we have made a commitment to building financial solutions that power a transparent and efficient global economic system made possible by Bitcoin. To that end, we have built leading Bitcoin brokerage, mining, and custody products to keep our clients ahead of the curve. We aim to bring premier Bitcoin banking solutions that offer a full array of financial services to our clients. \n\nWe are seeking a Software Engineer with a foundational understanding of software development, a keen interest in Elixir (Phoenix and LiveView), and a strong desire to contribute to our robust web stack.\n\nAt River, we prioritize both hard skills and shared values. We are looking for a candidate who is dedicated, eager to learn, and able to embrace challenges. You will be part of a team that develops features used by clients daily, contributing primarily to our Elixir, Phoenix, and LiveView codebase, with occasional work in JavaScript.\n\nRiver is headquartered in Columbus, OH, and has raised more than $50 million from leading investors, including; Goldcrest, Kingsway, Polychain, M13, DG, and Valor.\n\nWhat you will be doing\n\n\nContribute to the development of new features and products in our Elixir-based web applications and API\n\nCollaborate closely with product management for planning and scoping new initiatives\n\nWrite high-quality, tested code with an understanding of web security fundamentals\n\nParticipate actively in code reviews\n\n\n\n\nWhat we look for in you\n\n\nUnderstanding of software engineering fundamentals\n\nExposure to or eagerness to learn Elixir, Phoenix, and LiveView\n\nAbility to take ownership and write reliable, high-quality code\n\n\n\n\nAt River, we provide a supportive environment with adequate supervision and coaching, but we also value independence. We expect you to manage your tasks effectively, ask for help when needed, and consistently strive for improvement.\n\nNice to haves\n\n\nPrior fintech experience\n\nFamiliarity with Postgres and Kubernetes\n\nInterest or experience in working at a rapidly scaling company\n\nCuriosity or interest in Bitcoin\n\n\n\n\nOur mission at River is ambitious, but we believe in our team and value the individual growth and contributions of each member. If you are passionate about building robust financial solutions and are excited about Bitcoin, you’ll fit right in.\n\nLocation & Salary\n\n\n100% remote option available, with offices in SF, NYC, and Columbus \n\nSalary range between $120,000 - $150,000 based on skills and experience\n\n* Significant equity stock options\n\nMedical, Dental and Vision Benefits \n\nUnlimited PTO \n\nParental Leave separate from PTO policy\n\n401k\n\n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Finance and Engineer jobs that are similar:\n\n $75,000 — $130,000/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 IOV LabsIOV Labs is on a mission to provide the next generation of fintech innovators with the decentralised tools and technology to build a new global economy.\nIOV Labs develops, promotes, and supports Rootstock, a Bitcoin merge-mined smart contract platform - the most secure smart contract platform in the world. IOV Labs also develops RIF Apps and services to provide our partners with everything they need to build decentralized apps and new Open Finance services on Rootstock. \nEvery day our teams come to work to build a more decentralised world, for a freer and fairer future.About the RoleWe are looking for a Senior Java Developer to join a team with high qualifications and technical excellence for one of the most challenging projects in the Bitcoin and FinTech industry worldwide.\nRootstock is an open-source, decentralized, and peer-to-peer network that brings smart contracts to the Bitcoin ecosystem. It is the first one to provide the possibility of running Ethereum smart contracts in Bitcoin, using bitcoin as its native cryptocurrency, and leveraging Bitcoin's hashing power. Rootstock is one of the most exciting projects in the crypto and blockchain space!The Rootstock Powpeg team is responsible for evolving and maintaining the Rootstock Bridge native contract and the Powpeg node, an extended implementation (RSKj). It reviews and promotes community contributions, being an active and key member of the Rootstock platform evolution. \nPeople in this team have a great understanding of how the Rootstock, Ethereum, and Bitcoin protocols work, improve network's security, scalability, and performance through the implementation of new consensus rules, and work side by side with industry referents in Blockchain security to protect the network, also understand how developers interact with the Bridge to perform 2wp operations, among other things.\n\n\nWhat You’ll be Doing\n\n\n\n* Collaborate with other engineers and teams to implement new features, improvements, and fixes to the Bridge, to the Powpeg node, and developers' tools to simplify the usage of the Bridge. \n\n* Work with your team to make Rootstock more secure and robust, enabling it to execute a significant volume of transactions with no disruption.\n\n* Improve the user experience of our technologies, making it very easy for users to run their solutions on top of Rootstock.\n\n* Help with design and code reviews. Ensure good engineering practices are being applied.\n\n* Learn about blockchain, crypto, Ethereum, and Bitcoin, working on one of the most exciting open-source projects in the blockchain industry\n\n\n\nWhat You Bring to the Table\n\n\n\n* Have advanced knowledge in the object-oriented programming language JAVA.\n\n* Have experience working on technologically challenging projects.\n\n* Bring the right attitude to the team: ownership, accountability, and attention to detail.\n\n* Have knowledge about Bitcoin or Ethereum (not mandatory).\n\n* Place a high value on security.\n\n* Spanish & English fluency is a huge advantage\n\n\n\n What You’ll get Back\n\n\n\n* Competitive salary and company bonus\n\n* 100% remote working (External Employee) from anywhere in the world\n\n* Global WeWork membership\n\n* Flexible working hours - you’re free to work however you work best \n\n* paid holidays and personal leave days\n\n* Opportunity to work with state-of-the-art technology in a challenging and unique project\n\n* Internationally diverse and dynamic team with a clear vision and strategy\n\n* Training programs to learn everything about the crypto world \n\n* Weekly scientific moments by our Research & Innovation team to learn about technology, challenges, and solutions in the blockchain world\n\n* Language courses: English & Spanish\n\n* Employee assistance program offering legal, financial, family, psychological, and wellness counseling for you and your family\n\n\n\n\n\nIOV Labs Mission, Vision, & Purpose\n\n\n\n* \nOur purpose is to... build a more decentralised world, for a freer and fairer future.\n\n* \nOur vision is… a safe and equitable global financial system that enables everyone to participate and prosper.\n\n* \nWe’re on a mission to… provide the next generation of fintech innovators with the decentralised tools and technology to build a new global economy.\n\n\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Crypto, Bitcoin, Ethereum, Finance, Java and Senior jobs that are similar:\n\n $55,000 — $90,000/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\nLATAM - Remote

About IOV LabsIOV Labs is on a mission to provide the next generation of fintech innovators with the decentralised tools and technology to build a new global economy.IOV Labs develops, promotes, and supports Rootstock, a Bitcoin merge-mined smart contract platform - the most secure smart contract platform in the world. IOV Labs also develops RIF Apps & Services to provide our partners with everything they need to build decentralized apps and new Open Finance services on Rootstock.Everyday our teams come to work to build a more decentralised world, for a freer and fairer future.\nAbout the RoleWe are looking for a Senior Web3 Engineer to join a team of high qualification and technical excellence for one of the most challenging projects in the Bitcoin and FinTech industry worldwide.Rootstock is an open-source, decentralized and peer-to-peer network that brings smart contracts to the Bitcoin ecosystem. It is the first one to provide the possibility of running Ethereum smart contracts in Bitcoin, using bitcoin as its native cryptocurrency, and leveraging Bitcoin's hashing power. Rootstock is one of the most exciting projects in the crypto and blockchain space!The Co-Creation team is responsible for evolving and maintaining several web3 projects that run on top of the Rootstock network. People in this team have a great understanding of how the Rootstock protocols work, security, extending functionalities, among other things.\nWhat You’ll be Doing\n\n\n\n* Design and implement smart contracts on Rootstock EVM compatible Blockchain\n\n* Develop and maintain decentralized applications (DApps) that interact with smart contracts.\n\n* Work with front-end developers to integrate DApps into user interfaces.\n\n* Ensure the security of applications by conducting thorough testing and audits of smart contracts.\n\n* Stay updated with the latest developments in blockchain technology and Web3 standards.\n\n* Collaborate with cross-functional teams to develop robust and scalable blockchain solutions.\n\n* Provide technical support and documentation for developed applications.\n\n* Optimize smart contract execution costs and improve the efficiency of DApps.\n\n* Participate in code reviews and contribute to the continuous improvement of development practices.\n\n\n\nWhat You Bring to the Table\n\n\n\n* Proven experience as a blockchain developer with a focus on Ethereum or other smart contract platforms.\n\n* Proficiency in Solidity and experience with smart contract development tools such as Truffle, Hardhat, or Remix.\n\n* Strong understanding of blockchain fundamentals, consensus mechanisms, and decentralised architectures.\n\n* \nFamiliarity with front-end development and web3 libraries such as web3.js or ethers.js.\n\n* Experience with IPFS, Oracles, and other decentralised technologies.\n\n* Knowledge of cryptography, including asymmetric (pub/priv key), symmetric, hash functions, encryption/signatures.\n\n* Good understanding of distributed systems and peer-to-peer networking.\n\n* Excellent problem-solving skills and attention to detail.\n\n* Strong communication skills and ability to work in a team environment.\n\n* BSc/MSc in Computer Science, Engineering, or a related field\n\n* Nice-to-Haves:\n\n* Experience with additional programming languages like JavaScript, Python, or Rust.\n\n* Understanding of decentralised finance (DeFi) and NFTs.\n\n* Familiarity with various blockchain networks and their unique features.\n\n\n\nWhat You’ll get Back\n\n\n\n* Competitive salary and company bonus\n\n* 100% remote working (External Employee) from anywhere in the world\n\n* Global WeWork membership\n\n* Flexible working hours - you’re free to work however you work best\n\n* Paid holidays and personal leave days\n\n* Opportunity to work with state of art technology in a challenging and unique project\n\n* Internationally diverse and dynamic team with a clear vision and strategy\n\n* Training programs to learn everything about the crypto world\n\n* Periodic scientific moments by our Research & Innovation team to learn about technology, challenges, and solutions in the blockchain world\n\n* Language courses: English & Spanish\n\n* Employee assistance program offering legal, financial, family, psychological, and wellness counselling for you and your family\n\n\n\nIOV Labs Mission, Vision, & Purpose\n\n\n\n* \nOur purpose is to... build a more decentralised world, for a freer and fairer future.\n\n* \nOur vision is… a safe and equitable global financial system that enables everyone to participate and prosper.\n\n* \nWe’re on a mission to… provide the next generation of fintech innovators with the decentralised tools and technology to build a new global economy.\n\n\n\nIOV Labs Values\nOur values reflect the fact that we are a global, distributed team who embrace complex and revolutionary decentralised technologies, guided by a strong social purpose.\n* Focus\n\n* Take Responsibility\n\n* Make it Useful\n\n* Stay Open\n\n* Be Fair\n\n\nIOV Labs embraces diversity and is proud to be an equal opportunity employer open to all qualified applicants regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status.\n \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Web3, Crypto, Bitcoin, Ethereum, Testing, Finance, Senior and Engineer jobs that are similar:\n\n $60,000 — $97,500/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\nLATAM - Remote