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Software Engineer (C#) - Internal Tooling
Alignerr
Seattle, WA
Position Overview Senior C# Full-Stack Engineer role at Alignerr, working on AI infrastructure Fully remote contract position focusing on re...
$50.00 – $75.00/hr Apply Now
Java/AWS Lead Software Engineer
JPMorganChase
New York, NY
Position Overview We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. ...
$152k – $215k/year Apply Now
Python Engineer
Alignerr
Seattle, WA
Position Overview Fully remote, flexible contract role for senior Python developers to evaluate AI-generated code and solve algorithmic chal...
$60.00 – $90.00/hr Apply Now
Python Software Engineer - AI Workflows
Alignerr
New York, NY
Position Overview Fully remote contract role with flexible hours for a senior Python Software Engineer specializing in AI workflows at Align...
$50.00 – $75.00/hr Apply Now
Python Software Engineer - AI Workflows
Alignerr
Denver, CO
Position Overview Fully remote contract role for senior full-stack Python engineers to work on real production systems supporting AI data pi...
$50.00 – $75.00/hr Apply Now
Data Platform Engineer (Python)
Alignerr
New York, NY
Position Overview Fully remote contract role with Alignerr, working on real production systems supporting AI development. Opportunity to bui...
$50.00 – $75.00/hr Apply Now
Software Architect - Mobile
Air Apps
San Francisco, CA
About Air Apps: At Air Apps, we believe in thinking bigger and moving faster. We're a family-founded company on a mission to create the world...
$145k – $255k/year Apply Now
Community Living Support - Mobile
Wellvance External Job Postings
Oscoda, Michigan
About this job Community Living Support Job overview Rate: $17.13 - $17.82 What we're looking for gain independence, and thrive in th...
$17.13 – $17.13/hr Apply Now
Senior Backend Engineer (C#) - AI Data Platform
Alignerr
Denver, CO
Position Overview Senior Backend Engineer (C#) --- AI Data Platform About The Role What if your C# expertise could directly shape the inf...
$50.00 – $75.00/hr Apply Now
Senior Backend Engineer (C#) - AI Data Platform
Alignerr
Seattle, WA
Position Overview Senior Backend Engineer role at Alignerr for their AI Data Platform Fully remote hourly contract position with flexible ho...
$50.00 – $75.00/hr Apply Now
Software Engineer (C#) - Internal Tooling

Position Overview Senior C# Full-Stack Engineer role at Alignerr, working on AI infrastructure Fully remote contract position focusing on real production systems Collaboration with researc...

$50.00 – $75.00/hr Apply Now

Position Overview
  • Senior C# Full-Stack Engineer role at Alignerr, working on AI infrastructure
  • Fully remote contract position focusing on real production systems
  • Collaboration with research and engineering teams in AI development
Job Overview
  • Designing, building, and optimizing high-performance C# systems for AI data pipelines
  • Developing full-stack tooling and backend services for data annotation and validation
  • Improving reliability and performance of existing C# codebases in AI research environments
  • Collaborating with data scientists and engineers on model training and evaluation infrastructure
  • Identifying and addressing bottlenecks and edge cases in data and system behavior
  • Participating in design reviews to enhance architecture and implementation decisions
Key Responsibilities
  • Designing, building, and optimizing high-performance C# systems for AI data pipelines
  • Developing full-stack tooling and backend services for data annotation and validation
  • Improving reliability and performance of existing C# codebases in AI research environments
  • Collaborating with data scientists and engineers on model training and evaluation infrastructure
  • Identifying and addressing bottlenecks and edge cases in data and system behavior
  • Participating in design reviews to enhance architecture and implementation decisions
Who You Are
  • Native or fluent English speaker with clear communication skills
  • Full-stack developer with a strong systems programming background
  • 3--5+ years of professional experience in C# development
  • Experienced in interoperability scenarios involving Python ML models and .NET
  • Skilled at designing robust harnesses for system performance evaluation
  • Able to commit 20--40 hours per week reliably
Preferred Qualifications
  • Experience with data annotation, data quality, or evaluation systems
  • Familiarity with AI/ML workflows, model training pipelines, or benchmarking frameworks
  • Experience with distributed systems or developer tooling at scale
What We Offer
  • Work directly with leading AI labs on production systems
  • Fully remote and flexible work structure
  • Freelance autonomy with meaningful engineering work
  • Gain exposure to AI infrastructure at the frontier of the field
  • Potential for ongoing contract work and project expansion
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