C++ Engineer - High Performance Computing (HPC)Alignerr • Seattle, Washington, United States
C++ Engineer - High Performance Computing (HPC)
Alignerr • Seattle, Washington, United States
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.full_time]
- [filters.remote]
[job_card.job_description]Native or fluent English speaker Full-stack developer experience with a strong systems programming background 5+ years of professional experience writing production C++ (prefer modern standards like C++17 or C++20). Deep understanding of computer architecture, SIMD intrinsics, and cache coherency to optimize compute-heavy AI workloads. Expertise in lock-free programming and maximizing parallelism using threading libraries. Clear written and verbal communication skills for technical leadership. 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 Submit your resume Complete a short technical screening Project matching and onboarding
About the Job
Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. We work on real production systems and high-impact research workflows across data, tooling, and infrastructure.
Position
Senior C++ Full-Stack Engineer — AI Data & Infrastructure
Type : Contract, Remote Commitment : 20–40 hours / week Compensation : Competitive, hourly (based on experience)
Role 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
Qualifications
Must-Have
Preferred
Application Process
$50 - $75 an hour
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C Engineer High Performance Computing HPC • Seattle, Washington, United States
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