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hace 2 semanas

méxico Alignerr A tiempo completo

Backend Developer - AI Data Services at Alignerr Base pay range: $50.00/hr - $75.00/hr About The Job Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. We work on real production systems and high-impact research workflows across data, tooling, and infrastructure. Position Senior C# Full-Stack Engineer — AI Data & InfrastructureType: Contract, RemoteCommitment: 20–40 hours/weekCompensation: Competitive, hourly (based on experience) Role Responsibilities Design, build, and optimize high-performance systems in C# supporting AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control Improve reliability, performance, and safety across existing C# codebases Collaborate with data, research, and engineering teams to support model training and evaluation workflows Identify bottlenecks and edge cases in data and system behavior, and implement scalable fixes Participate in synchronous reviews to iterate on system design and implementation decisions Qualifications Must-Have Native or fluent English speaker Full-stack developer experience with a strong systems programming background 5+ years of professional experience writing production C# Strong skills in data modeling and database access using ORM frameworks or micro-ORMs for high-performance SQL interactions Experience building secure, documented endpoints for data access and manipulation Clear written and verbal communication skills Ability to commit 20–40 hours per week Preferred Prior experience with data annotation, data quality, or evaluation systems Familiarity with AI/ML workflows, model training, or benchmarking pipelines Experience with distributed systems or developer tooling Application Process Submit your resume Complete a short technical screening Project matching and onboarding Seniority level Mid-Senior level Employment type Contract Job function Engineering and Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at Alignerr by 2x #J-18808-Ljbffr

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