{"id":29349,"url":"https://alion.io/job/rain-backend-engineer-ai","title":"Backend Engineer, AI","company":{"id":613,"name":"Rain","domain":"rain.xyz","url":"https://alion.io/company/rain","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":89,"open_postings":30,"ghost_share":0,"stale_share":0.233,"repost_share":0,"time_to_fill_p50_days":95,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":250000,"currency":"USD","period":"year","gross":null,"usd_annual":250000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Function Calling","optional":false},{"name":"Node JS","optional":false},{"name":"Structured Outputs","optional":false},{"name":"Tool Use","optional":false},{"name":"AI Agents","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-03-24T23:33:32Z","employer_posted_date":"2026-03-24","last_verified_at":"2026-10-16T07:07:02Z","board_verified":true,"closed_at":null,"days_open":205,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":205},"description":"About the Company\nRain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and compliantly through global payment cards, rewards, on/offramps, wallets, and cross-border rails. As both a Visa and Mastercard Principal Member, Rain issues cards that work at more than 175 million merchant locations in over 220 countries and territories. Built natively for stablecoins and trusted by more than 100 organizations worldwide, Rain delivers secure, scalable infrastructure that makes money move freely and instantly around the world.\nYou will have the opportunity to deliver massive impact at a hypergrowth company backed by some of the top investors in fintech, crypto, and SaaS. In January 2026, we closed a $250M Series C led by ICONIQ, valuing Rain at $1.95B, with Sapphire Ventures, Dragonfly, Bessemer Venture Partners, Galaxy Ventures, FirstMark, Lightspeed, Norwest, and Endeavor Catalyst also participating. If you're curious, bold, and excited to help shape a borderless financial future, we'd love to talk.\nOur Ethos\nWe believe in an open and flat structure. You will be able to grow into the role that most aligns with your goals. Our team members at all levels have the freedom to explore ideas and impact the roadmap and vision of our company.\nAbout the Team\nYou'll be one of the first engineers on Rain's new AI team. We're building from the ground up internal systems that make our operations smarter and customer-facing infrastructure at the intersection of AI agents, fintech, and stablecoins, including some of the first agentic payment systems in production. If you want to shape how AI gets built into a payments company, this is the role.\nWhat You'll Do\nBe a critical part of the technical and product roadmap\n\nBuild and scale the backend systems, APIs, and data pipelines that power Rain\n\nDesign and ship AI-powered features, agents, and automation into our core platform\n\nBuild shared AI infrastructure: composable tool interfaces, eval frameworks, and permission-aware data access\n\nRapidly ship new capabilities to our customers and internal teams\n\nWork embedded with the business, understand the workflows you're building for firsthand\n\nWhat We're Looking For\nExperience with Node.js and other backend technologies\n\n1-3+ years building production systems that use LLMs, tool calling, structured outputs, prompt architecture, retrieval patterns\n\nA builder mentality, someone who experiments with side projects\n\nComfortable with ambiguity, you can take a loosely defined problem, make decisions, and ship\n\nThis position is for folks with 3-8+ years of experience, compensation will be based on experience\n\nNice to Have\nEval framework design, building systematic ways to measure AI quality\n\nFintech experience (neobank or card issuing experience gets extra brownie points)\n\nExperience building internal tools or platform systems at a growth-stage company\n\nThings that enable a fulfilling, healthy and happy experience at Rain:\nUnlimited time off Unlimited vacation can be daunting, so we require Rainmakers to take 10 days minimum for themselves.\nFlexible working We support a flexible workplace - work from home, come into an office, or both. We want everyone to work in an environment where they're their most confident and productive selves. New Rainmakers receive a stipend to set up a comfortable home workspace.\nEasy to access benefits For US Rainmakers, we cover 95% of your health, dental, and vision plan costs and 90% for your dependents, plus a 100% company-subsidized life insurance plan.\nRetirement goals Plan for the future with confidence. We offer a 401(k) with a 4% company match.\nEquity plan Every Rainmaker gets an equity option plan so we all benefit from our success.\nHealth and Wellness High performance begins from within. Rainmakers receive a monthly stipend to be used for eligible health and wellness spending like gym memberships/fitness classes, massages, acupuncture - whatever recharges you!\nIn-office meals Rainmakers working from the office enjoy lunch and dinner on us, covered with a DoorDash credit.\nTeam summits Summits play an important role at Rain. Time together helps us build relationships and a common destiny. 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