C++ Engineer - Computing; HPC

C++ Engineer - High Performance Computing (HPC)

Base pay range: $50.00/hr - $75.00/hr

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.

Senior C++ Full-Stack Engineer — AI Data & Infrastructure

Type:
Contract, Remote

Commitment: 20–40 hours/week

Compensation:
Competitive, hourly (based on experience)

• 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

• 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

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