{"schemaVersion":"jobsearcher.job.v1","id":"c2d61f68c94931a136c55e0b","url":"https://jobsearcher.com/jobs/c2d61f68c94931a136c55e0b","canonicalUrl":"https://jobsearcher.com/jobs/c2d61f68c94931a136c55e0b","title":"Data Infrastructure Developer (C++)","description":"About The RoleWhat if your deep C++ expertise could directly shape the infrastructure that powers the world's most advanced AI systems? We're looking for a Senior C++ Full-Stack Engineer to build and optimize the high-performance data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on every day.This is a fully remote contract role with serious technical depth — real production systems, meaningful engineering challenges, and direct collaboration with top AI research teams.Organization: AlignerrType: Hourly ContractLocation: RemoteCommitment: 20–40 hours/weekWhat You'll DoDesign, build, and optimize high-performance C++ systems that power AI data pipelines and evaluation workflowsDevelop full-stack tooling and backend services supporting large-scale data annotation, validation, and quality controlImprove reliability, performance, and safety across existing C++ codebasesCollaborate with data, research, and engineering teams to support model training and evaluation at scaleIdentify bottlenecks and edge cases in data and system behavior — then implement scalable, production-ready fixesParticipate in synchronous design reviews to iterate on architecture and implementation decisionsWho You AreNative or fluent English speaker with clear written and verbal communication skillsFull-stack developer with a strong systems programming background3–5+ years of professional experience writing production-grade C++Deep expertise in efficient binary serialization formatsHands-on experience implementing zero-copy data exchange protocols for high-speed pipelinesAble to commit 20–40 hours per week with reliability and professionalismNice to HavePrior experience with data annotation, data quality pipelines, or evaluation systemsFamiliarity with AI/ML workflows, model training, or benchmarking infrastructureBackground in distributed systems or developer toolingWhy Join UsWork directly with leading AI labs on real production systems — not toy projectsFully remote and flexible — work from anywhere on a schedule that suits youFreelance autonomy with the structure of meaningful, high-stakes engineering workMake a tangible impact on the infrastructure shaping the future of AIPotential for ongoing work and contract extension as projects scale","company":"Alignerr","rawCompany":"alignerr","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-04-09T15:52:12.299Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Data Infrastructure Developer (C++)","description":"About The RoleWhat if your deep C++ expertise could directly shape the infrastructure that powers the world's most advanced AI systems? 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