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Data Infrastructure Developer (C++)
Alignerr
Seattle, WA
About The Role What if your systems programming expertise could directly shape the infrastructure powering the world's most advanced AI mode...
$50.00 – $75.00/hr Apply Now
Data Infrastructure Developer (C++)
Alignerr
Denver, CO
About The Role What if your deep C++ expertise could directly shape the infrastructure that powers the world's most advanced AI systems? We'...
$50.00 – $75.00/hr Apply Now
Research Scientist
Hedra
San Francisco, CA
Position Overview Hedra is building a world-class Physical AI research team to push the boundaries of action-conditioned world models and ge...
$200k – $325k/year Apply Now
Research Scientist
Hedra
San Francisco, CA
Hedra is building a world-class Physical AI research team to push the boundaries of action-conditioned world models and generative AI for phy...
$200k – $325k/year Apply Now
Senior, Data Scientist
Walmart
Sunnyvale, CA
Position Overview Commercialization Platforms and Enablement B2B Team at Walmart Global Tech is a group of data scientists, analysts, and en...
$117k – $234k/year Apply Now
Data Scientist III
Walmart
Sunnyvale, CA
Position Overview Commercialization Platforms and Enablement B2B Team at Walmart Global Tech is a group of data scientists, analysts, and en...
$117k – $234k/year Apply Now
(USA) Senior, Data Scientist
Walmart
Sunnyvale, CA
Position Overview Walmart Global Tech is seeking a Senior Data Scientist to join the Personalization team in Sunnyvale, focusing on developi...
$117k – $234k/year Apply Now
Senior Data Scientist
Navy Federal Credit Union
Pensacola, FL
Position Overview Provide independent data science, machine learning, and analytical insights using member, financial, and organizational da...
$99k – $156k/year Apply Now
Software Development Engineer - Credential API
ID.me
Mountain View, California
About this job Company Overview ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their ide...
$169k – $193k/year Apply Now
Sales Engineer
Finvari
Nashville, TN
Position Overview As a Sales Engineer, you'll bring your technical expertise to life through compelling product demos, consultative disc...
$140k – $160k/year Apply Now
Data Infrastructure Developer (C++)

About The Role What if your systems programming expertise could directly shape the infrastructure powering the world's most advanced AI models? We're looking for a Senior C++ Engineer to d...

$50.00 – $75.00/hr Apply Now

About The Role
  • What if your systems programming expertise could directly shape the infrastructure powering the world's most advanced AI models? We're looking for a Senior C++ Engineer to design and build the high-performance data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on --- from the ground up.
  • This is a fully remote, flexible contract role for engineers who thrive on hard technical problems and want their work to matter at scale.
  • Organization: Alignerr
  • Type: Hourly Contract
  • Location: Remote
  • Commitment: 20--40 hours/week
What You'll Do
  • Design, build, and optimize high-performance C++ systems supporting large-scale AI data pipelines and evaluation workflows
  • Develop full-stack tooling and backend services for 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, production-ready fixes
  • Participate in synchronous design reviews to iterate on system 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
  • 3--5+ years of professional experience writing production-grade C++
  • Deep expertise in efficient binary serialization formats
  • Experienced implementing zero-copy data exchange protocols for high-speed pipelines
  • Self-directed and able to commit 20--40 hours per week in a remote environment
Nice to Have
  • 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
Why Join Us
  • Work on real production systems at the frontier of AI --- not toy projects
  • Collaborate directly with leading AI research labs on high-impact infrastructure
  • Fully remote and flexible --- work when and where you do your best work
  • Freelance autonomy with the substance of meaningful, technically demanding work
  • Potential for ongoing work and contract extension as new projects launch
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