{"schemaVersion":"jobsearcher.job.v1","id":"72d8dbf9d641f2e8db19d7f0","url":"https://jobsearcher.com/jobs/72d8dbf9d641f2e8db19d7f0","canonicalUrl":"https://jobsearcher.com/jobs/72d8dbf9d641f2e8db19d7f0","title":"Backend Engineer - Card Transaction Processing","description":"Location\r\nNew York; Cayman; Denver\r\nEmployment Type\r\nFull time\r\nLocation Type\r\nHybrid\r\nDepartment\r\nEngineering\r\nCompensation\r\nUS / Cayman: $170K – $200K • Offers Equity • Offers Bonus\r\nWe pay based on experience, using internal benchmarking to ensure that all employees are paid competitively and equitably.\r\nAbout us\r\nEther.fi is one of the largest crypto companies in the world. We have over $10B in assets under management and a team of 30 almost all technical staff. We've been profitable day one and are focusing on building real consumer applications.\r\nThe future we envisage is true on-chain banking. Our current products; Stake, Liquid, and Cash enable users to earn yield in a variety of DeFi strategies, and spend their assets in the real world with our credit cards. You can view public analytics on Dune for Cash and Stake.\r\nPosition overview\r\nWe're looking for a senior full backend software engineer to own core backend architecture, card transaction processing and high availability. You will belong to a key engineering team focusing on delivering distributed, scalable and robust backend systems. Everything from card transaction processing, low latency APIs, microservice architectures and on-chain data indexing. Anything that a neobank would build is on our roadmap.\r\nWhat you'll do\r\nOwn core areas of our backend systems, and extend current functionality to improve throughput and latency\r\nDesign, develop, and optimize scalable transaction processing services to support high-throughput, low-latency financial transactions.\r\nTackle the challenges in user frictions for their card transactions being declined\r\nDrive improvements in our Cloud Infrastructure, CI/CD pipelines, automation, observability, and monitoring systems.\r\nWhat we are looking for\r\nStrong fundamentals in software engineering and problem solving\r\nYou have shipped impressive products with thousands of real users\r\n5+ years of professional coding experience\r\nDrive, willingness to work hard and go the extra mile. We are a highly ambitious, driven team with audacious goals, and we work very hard to make them a reality\r\nPlus if you are experienced in credit card transaction processor such as Paymentology, Episode 6, etc.\r\nPlus if you are experienced in card issuing side\r\nPerks and benefits\r\nCompetitive salary, performance-based incentives, and token allocation grant\r\nOpportunity to work on multi-billion dollar products as part of a small team\r\nHealth, dental, and vision insurance plans\r\nGlobal team with opportunity for travel and working out of our 3 offices around the world\r\n4 weeks work from anywhere\r\nExciting company events and team-building off-sites\r\nCompensation Range: $170K - $200K\r\nJ-18808-Ljbffr","company":"Ether","rawCompany":"ether","city":"New York","state":"NY","isRemote":false,"isActive":true,"createdAt":"2026-04-12T04:48:37.684Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.07","title":"Blockchain Engineers","slug":"blockchain-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"522320","title":"Financial Transactions Processing, Reserve, and Clearinghouse Activities","slug":"financial-transactions-processing-reserve-and-clearinghouse-activities"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Backend Engineer - Card Transaction Processing","description":"Location\r\nNew York; Cayman; Denver\r\nEmployment Type\r\nFull time\r\nLocation Type\r\nHybrid\r\nDepartment\r\nEngineering\r\nCompensation\r\nUS / Cayman: $170K – $200K • Offers Equity • Offers Bonus\r\nWe pay based on experience, using internal benchmarking to ensure that all employees are paid competitively and equitably.\r\nAbout us\r\nEther.fi is one of the largest crypto companies in the world. We have over $10B in assets under management and a team of 30 almost all technical staff. We've been profitable day one and are focusing on building real consumer applications.\r\nThe future we envisage is true on-chain banking. Our current products; Stake, Liquid, and Cash enable users to earn yield in a variety of DeFi strategies, and spend their assets in the real world with our credit cards. You can view public analytics on Dune for Cash and Stake.\r\nPosition overview\r\nWe're looking for a senior full backend software engineer to own core backend architecture, card transaction processing and high availability. You will belong to a key engineering team focusing on delivering distributed, scalable and robust backend systems. Everything from card transaction processing, low latency APIs, microservice architectures and on-chain data indexing. Anything that a neobank would build is on our roadmap.\r\nWhat you'll do\r\nOwn core areas of our backend systems, and extend current functionality to improve throughput and latency\r\nDesign, develop, and optimize scalable transaction processing services to support high-throughput, low-latency financial transactions.\r\nTackle the challenges in user frictions for their card transactions being declined\r\nDrive improvements in our Cloud Infrastructure, CI/CD pipelines, automation, observability, and monitoring systems.\r\nWhat we are looking for\r\nStrong fundamentals in software engineering and problem solving\r\nYou have shipped impressive products with thousands of real users\r\n5+ years of professional coding experience\r\nDrive, willingness to work hard and go the extra mile. We are a highly ambitious, driven team with audacious goals, and we work very hard to make them a reality\r\nPlus if you are experienced in credit card transaction processor such as Paymentology, Episode 6, etc.\r\nPlus if you are experienced in card issuing side\r\nPerks and benefits\r\nCompetitive salary, performance-based incentives, and token allocation grant\r\nOpportunity to work on multi-billion dollar products as part of a small team\r\nHealth, dental, and vision insurance plans\r\nGlobal team with opportunity for travel and working out of our 3 offices around the world\r\n4 weeks work from anywhere\r\nExciting company events and team-building off-sites\r\nCompensation Range: $170K - $200K\r\nJ-18808-Ljbffr","datePosted":"2026-04-12T04:48:37.684Z","dateModified":"2026-04-12T04:48:37.684Z","hiringOrganization":{"@type":"Organization","name":"Ether","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"72d8dbf9d641f2e8db19d7f0"},"url":"https://jobsearcher.com/jobs/72d8dbf9d641f2e8db19d7f0"}}