OpenRecently verified

C# Infrastructure Engineer - Data Pipelines

  • Software Engineering
  • Platform: Alignerr
  • Level: Expert

$50-75/hrAs published by the platform.

About this job

A senior C# engineer will design and build high-performance data pipelines, annotation tooling, and evaluation systems for AI model training. The role involves full-stack backend development, system optimization, and collaboration with data and research teams to support production infrastructure for AI labs.

What you'll do

  • Design and build high-performance C# systems powering AI data pipelines and evaluation workflows.
  • Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control.
  • Identify bottlenecks and implement scalable, resilient fixes across production C# codebases.
  • Collaborate with data, research, and engineering teams to support model training and evaluation pipelines.

Requirements

C#
  • 5+ years of experience

Pay

$50-75/hr

Pay as published by the platform. It is not a guarantee of income or hours.

Location

The platform has not published which countries are eligible for this job.

How to apply

You apply on Alignerr, Labelbox's expert network: create a profile, complete an AI-led interview and skills assessment, then get matched to projects in your field.

All Alignerr jobs and how the platform works

Source

Official posting: https://www.alignerr.com/jobs/104d04ee-6a25-4d98-913f-0a4697298f3a

Last checked on October 8, 2026.

Similar jobs

  • Software Engineering
  • Platform: Alignerr
  • Level: Expert

This contract role centers on building and tuning high-performance Rust systems that support AI model development, including data pipelines, annotation tooling and evaluation infrastructure. It is aimed at senior engineers with deep Rust expertise who want to work fully remotely alongside research and engineering teams.

  • Software Engineering
  • Platform: DataAnnotation

You will evaluate AI-generated code by running models on real engineering tasks, analyzing their output against production standards, and stress-testing them to find failures. This role is ideal for experienced software engineers who want to contribute to AI model improvement through rigorous code review and red-teaming.

Talent poolRecently verified$40-150/hr
  • Software Engineering
  • Platform: Terac
  • Location: United States

This remote study asks practicing software engineers to review programming tasks and the evaluation harnesses built to test AI agents on them. You will check whether the tasks, test cases and environment structure reflect realistic software engineering work. It suits engineers with solid experience building, testing and reviewing complex systems.

Posted October 2, 2026

  • Software Engineering
  • Platform: Terac
  • Location: Argentina

This paid study asks experienced software engineers to review proposed programming tasks and the harnesses that test AI agents, checking their logic, structure and realism. The work takes place in a screen-shared session that mixes code review, technical discussion and direct feedback on task design. It is aimed at engineers who have already built, reviewed or tested evaluation harnesses or coding tasks.

Posted October 1, 2026

  • Software Engineering
  • Platform: micro1
  • Location: 58 countries

You will create realistic programming tasks and verifiers to train AI systems, leveraging your expertise in backend development and your awareness of software security issues. This role is for experienced engineers in service architecture and security best practices, with no AI prerequisite.

Posted September 20, 2026

OpenRecently verified$30-100/hr

Referral link to micro1's job list: search for this role there. Open this exact job

Keep exploring