Not ApplicablePosted April 1, 20263 variantsJob link
Thinking about this job
Responsibilities
Commitments
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
Commitments
Type: Contract, Remote Commitment: 20–40 hours/week Compensation: Competitive, hourly (based on experience)Ability to commit 20–40 hours per week.Submit your resumeComplete a short technical screeningProject matching and onboarding
Not Met Priorities
What still needs stronger evidence
Requirements
Must-Have
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.
Preferred Skills
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
Education
(Not required)
– Must-Have
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
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. Preferred
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 Application Process
Submit your resume Complete a short technical screening Project matching and onboarding
Alignerr
•
Denver, CO