← All Jobs
Mar 11, 2026

[Remote] Backend Developer - AI Data Services

Apply Now
Note: The job is a remote job and is open to candidates in USA. Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. The role involves designing and optimizing high-performance systems in C# to support AI data pipelines and collaborating with various teams to enhance model training and evaluation workflows. 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 Skills • 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 • 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 Company Overview • We're looking for experts to help train better AI. It was founded in undefined, and is headquartered in , with a workforce of 11-50 employees. Its website is https://www.alignerr.com/. Apply Now Apply Now