{"id":1069545,"url":"https://alion.io/job/robinhood-senior-machine-learning-engineer-ai-infra","title":"Senior Software Engineer, AI Infra","company":{"id":1146,"name":"Robinhood","domain":"robinhood.com","url":"https://alion.io/company/robinhood","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":82,"open_postings":45,"ghost_share":0.044,"stale_share":0.556,"repost_share":0.067,"time_to_fill_p50_days":40,"computed_at":"2026-11-10T06:52:35Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bellevue, United States","Menlo Park, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":162000,"max_usd":306000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":817},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Feature Store","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false}],"status":"live","first_seen_at":"2026-09-19T23:47:51Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-10T12:03:26Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":51},"description":"Join us in building the future of finance.\nOur mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading.\nAbout the team + role\nWe are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. \nThe AI Infrastructure team is building the foundation that powers machine learning and AI across Robinhood. We own the infrastructure supporting the entire ML/AI lifecycle, from feature engineering and training pipelines to model serving, inference, and observability. We also build and operate Robinhood's LLM gateway, enabling engineering teams across the company to leverage frontier and fine-tuned in-house AI models efficiently and at scale.\nAs a Senior Software Engineer, AI Infrastructure, you'll join a small, growing team tackling some of the most interesting infrastructure challenges at the intersection of distributed systems and AI. You'll work across traditional ML infrastructure and emerging LLM technologies, helping improve GPU efficiency, scale model serving, and build intelligent routing systems. This is an opportunity to get in early, take meaningful ownership, and help shape the infrastructure that will support Robinhood's next generation of AI capabilities.\nThis role is based in our Menlo Park office, with in-person attendance expected at least 3 days per week.\nAt Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams. \nWhat you’ll do\nDesign, build, and scale the infrastructure powering machine learning and AI across Robinhood, including feature stores, training pipelines, model serving, inference, and observability.\nBuild and optimize distributed systems that support large-scale ML/AI workloads, with a focus on performance, reliability, scalability, and latency.\nImprove GPU utilization and efficiency by developing scheduling solutions for training and inference workloads.\nHelp evolve Robinhood's LLM gateway, including intelligent model routing, query and prompt understanding, and context optimization.\nSupport infrastructure for serving open-weight and fine-tuned models, enabling reliable access to AI capabilities across the company.\nPartner with engineering teams across Robinhood to understand their infrastructure needs and build scalable, reusable solutions.\nOwn the operational health of critical infrastructure, including monitoring, troubleshooting, performance optimization, and participation in an on-call rotation.\nWhat you bring\nStrong software engineering experience with a focus on infrastructure, distributed systems, or large-scale backend platforms.\nHands-on experience designing, building, and operating distributed systems in production, with a strong understanding of scalability, reliability, and system performance.\nExperience solving complex infrastructure challenges, including latency optimization, resource utilization, and production system reliability.\nStrong software development and system design skills, with the ability to take ownership of complex technical problems from design through production.\nExperience working with infrastructure technologies and tools in production environments, with an understanding of how to build and operate reliable systems at scale.\nAbility to work independently, navigate ambiguity, and contribute to foundational engineering projects within a small, growing team.\nInterest in machine learning and AI infrastructure, with a willingness to learn and work across both traditional infrastructure and emerging AI technologies.\nBonus: Experience with ML infrastructure, model training or serving, GPU workload scheduling, LLM gateways, or open-source infrastructure technologies.\nWhat we offer\nChallenging, high-impact work to grow your career.\nPerformance driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching.\nTop Tier benefits to fuel your work, including 100% paid health insurance for employees with 90% coverage for dependents.\nAccess to the Robinhood Employee Fund that gives eligible US employees the opportunity to invest in a private employee fund that provides exposure to Robinhood Ventures funds.\nAccess to the best AI tools on the market and continuous AI skill-building for every employee, technical or not. \nLifestyle wallet - a highly flexible benefits spending account for wellness, learning, and more.\nEmployer-paid life & disability insurance, fertility benefits, and mental health benefits.\nTime off to recharge including company holidays, paid time off, sick time, parental leave, and more!\nExceptional office experience with catered meals, events, and comfortable workspaces.\nIn addition to the base pay range listed below, this role is also eligible for bonus opportunities + equity + benefits.\nBase pay for the successful applicant will depend on a variety of job-related factors, which may include education, training, experience, location, business needs, or market demands. The expected base pay range for this role is based on the location where the work will be performed and is aligned to one of 3 compensation zones. For other locations not listed, compensation can be discussed with your recruiter during the interview process.\nBase Pay Range:\nZone 1 (Menlo Park, CA; New York, NY; Bellevue, WA; Washington, DC)\n$196,000—$230,000 USD\nZone 2 (Denver, CO; Westlake, TX; Chicago, IL)\n$172,000—$202,000 USD\nZone 3 (Lake Mary, FL; Clearwater, FL; Gainesville, FL)\n$153,000—$179,000 USD\nClick here to learn more about our Total Rewards, which vary by region and entity.\nIf our mission energizes you and you’re ready to build the future of finance, we look forward to seeing your application.\nAI Usage Disclosure: Robinhood uses artificial intelligence (AI) tools to support parts of our recruiting process. These tools enhance the efficiency and consistency of our hiring process; however, all hiring decisions are made by our hiring teams.\nRobinhood provides equal opportunity for all applicants, offers reasonable accommodations upon request, and complies with applicable equal employment and privacy laws. Inclusion is built into how we hire and work-welcoming different backgrounds, perspectives, and experiences so everyone can do their best. 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