C# Infrastructure Engineer - Data Pipelines

up to $75/hr

source wording: “$50-75/hr”

Platform: Alignerr
Category: Coding & software eval
Eligibility: Worldwide
Freshness: seen live 57 min ago

What this role asks for

20–40 hrs/week
5+ yrs experience
Annotation

Read from the posting's own words: show the exact sentences

20–40 hrs/week: “…Alignerr - Type: Hourly Contract - Location: Remote - Commitment: 20–40 hours/week What You'll Do * Design, build, and optimize high-performance C# systems that power AI…”
5+ yrs experience: “…Full-stack developer with a strong systems programming background * 5+ years of professional experience writing production-grade C# * Proven track record building streaming data pipelines…”
Annotation: “…* Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control * Improve reliability, performance, and safety across…”

The role, as Alignerr describes it

C# Infrastructure Engineer — Data Pipelines (AI Training)

About the Role

What if your deep C# expertise could directly shape the infrastructure powering the world's most advanced AI systems? We're looking for a Senior C# Full-Stack Engineer to design and build the high-performance data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve next-generation models.

This is a fully remote, flexible contract role for experienced engineers who want meaningful, high-impact work — without the constraints of a full-time position.

- Organization: Alignerr - Type: Hourly Contract - Location: Remote - Commitment: 20–40 hours/week

What You'll Do

Read the rest of the description (7 more paragraphs)

* Design, build, and optimize high-performance C# systems that power 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 production C# codebases * Identify bottlenecks and edge cases in data and system behavior — then implement scalable, resilient fixes * Collaborate with data, research, and engineering teams to support model training and evaluation pipelines * Participate in synchronous design reviews to iterate on architecture and implementation decisions

Who You Are

* Native or fluent English speaker with clear written and verbal communication skills * Full-stack developer with a strong systems programming background * 5+ years of professional experience writing production-grade C# * Proven track record building streaming data pipelines using asynchronous streams and reactive programming patterns * Experienced optimizing I/O-bound operations and implementing resilient retry policies for distributed data ingestion * Able to commit 20–40 hours per week with reliability and consistency

Nice to Have

* Prior experience with data annotation, data quality systems, or evaluation pipelines * Familiarity with AI/ML workflows, model training, or benchmarking infrastructure * Background in distributed systems architecture or developer tooling

Why Join Us

* Work on cutting-edge AI projects alongside leading research labs doing work that actually matters * Fully remote and flexible — work when and where it suits you * Freelance autonomy with the structure of meaningful, ongoing technical work * Make a direct, tangible impact on the infrastructure shaping the future of AI * Potential for ongoing work and contract extension as new projects launch

Posted by Alignerr, reproduced here so you can judge the role before clicking. Original posting ↗

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Source: platform job feed · first seen 57 min ago · ID 104d04ee-6a25-4d98-913f-0a4697298f3a

C# Infrastructure Engineer - Data Pipelines

The role, as Alignerr describes it

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