{"schemaVersion":"jobsearcher.job.v1","id":"99bd4d3e9603eb8402a345bf","url":"https://jobsearcher.com/jobs/99bd4d3e9603eb8402a345bf","canonicalUrl":"https://jobsearcher.com/jobs/99bd4d3e9603eb8402a345bf","title":"Ruby Engineer","description":"Senior Ruby Engineer Fully Remote B2B Contract Salary up to €105K Annually Gross.Our client is looking for a Senior Ruby Engineer to join a fast-growing, international technology company building a high-traffic AI-powered consumer product used by millions of users worldwide.This is a fully remote, hands-on engineering role for someone who enjoys working at scale, taking ownership, and solving challenging backend problems in a fast-moving environment.What you'll be doingDesign, build, and maintain scalable backend systems using Ruby on RailsWork on high-traffic, production-grade applications serving millions of usersContribute to architectural decisions and scaling initiativesIdentify and solve complex performance and reliability challengesTake ownership of features from conception through productionCollaborate closely with Product, Design, QA, AI, and DevOps teamsWork in a fast-paced environment where engineers have significant autonomyUse modern AI-powered development tools as part of your engineering workflowWhat we're looking for5+ years of backend engineering experienceStrong professional experience with Ruby on RailsExperience building and operating high-traffic, scalable production systemsStrong understanding of web fundamentals, backend architecture, and performance optimisationExperience with monolithic architectures and/or scaling challengesProven ability to take ownership and make technical decisions independentlyExperience working in a startup or scale-up environment is highly desirableComfortable collaborating within cross-functional engineering teamsStrong communication skills in EnglishActively uses AI tools such as ChatGPT, GitHub Copilot, Cursor, Claude, or similar in developmentComfortable working within CET ±3 hoursBenefitsFully remote — work from anywhere within the relevant European time zonesB2B contract onlyCompensation of up to €105,000 per yearHigh-impact work on a product operating at significant international scaleA highly autonomous environment with real engineering ownershipFast-paced, collaborative international teamOpportunity to work with modern AI technologies and development practices⚠️ ImportantThis role involves working on a consumer product that includes adult-oriented/NSFW content. Candidates must be fully comfortable working professionally in this environment.If you're a Senior Ruby Engineer who enjoys scale, ownership, autonomy, and fast-moving product environments, we'd love to hear from you.","company":"First Achieve","rawCompany":"first achieve","city":"Littleton","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-09T11:36:16.114Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"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":"Ruby Engineer","description":"Senior Ruby Engineer Fully Remote B2B Contract Salary up to €105K Annually Gross.Our client is looking for a Senior Ruby Engineer to join a fast-growing, international technology company building a high-traffic AI-powered consumer product used by millions of users worldwide.This is a fully remote, hands-on engineering role for someone who enjoys working at scale, taking ownership, and solving challenging backend problems in a fast-moving environment.What you'll be doingDesign, build, and maintain scalable backend systems using Ruby on RailsWork on high-traffic, production-grade applications serving millions of usersContribute to architectural decisions and scaling initiativesIdentify and solve complex performance and reliability challengesTake ownership of features from conception through productionCollaborate closely with Product, Design, QA, AI, and DevOps teamsWork in a fast-paced environment where engineers have significant autonomyUse modern AI-powered development tools as part of your engineering workflowWhat we're looking for5+ years of backend engineering experienceStrong professional experience with Ruby on RailsExperience building and operating high-traffic, scalable production systemsStrong understanding of web fundamentals, backend architecture, and performance optimisationExperience with monolithic architectures and/or scaling challengesProven ability to take ownership and make technical decisions independentlyExperience working in a startup or scale-up environment is highly desirableComfortable collaborating within cross-functional engineering teamsStrong communication skills in EnglishActively uses AI tools such as ChatGPT, GitHub Copilot, Cursor, Claude, or similar in developmentComfortable working within CET ±3 hoursBenefitsFully remote — work from anywhere within the relevant European time zonesB2B contract onlyCompensation of up to €105,000 per yearHigh-impact work on a product operating at significant international scaleA highly autonomous environment with real engineering ownershipFast-paced, collaborative international teamOpportunity to work with modern AI technologies and development practices⚠️ ImportantThis role involves working on a consumer product that includes adult-oriented/NSFW content. Candidates must be fully comfortable working professionally in this environment.If you're a Senior Ruby Engineer who enjoys scale, ownership, autonomy, and fast-moving product environments, we'd love to hear from you.","datePosted":"2026-09-09T11:36:16.114Z","dateModified":"2026-09-09T11:36:16.114Z","hiringOrganization":{"@type":"Organization","name":"First Achieve","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Littleton","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"99bd4d3e9603eb8402a345bf"},"url":"https://jobsearcher.com/jobs/99bd4d3e9603eb8402a345bf"}}