C++ Engineer - High Performance Computing (HPC) About the Role What if your deep systems ... Alignerr * Type : Hourly Contract * Location : Remote * Commitment : 20-40 hours/week What You'll ...
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Job description
C++ Engineer - High Performance Computing (HPC)
About the Role
What if your deep systems programming expertise could directly shape the infrastructure powering the next generation of AI? We're looking for senior C++ engineers to build, optimize, and scale the high-performance systems that leading AI labs depend on - from data pipelines and annotation tooling to evaluation infrastructure and backend services.
This is a fully remote, flexible contract role working at the frontier of AI development. If you live and breathe modern C++ and thrive on performance-critical engineering challenges, this is where your skills make the biggest impact.
About the Role
What if your deep systems programming expertise could directly shape the infrastructure powering the next generation of AI? We're looking for senior C++ engineers to build, optimize, and scale the high-performance systems that leading AI labs depend on - from data pipelines and annotation tooling to evaluation infrastructure and backend services.
This is a fully remote, flexible contract role working at the frontier of AI development. If you live and breathe modern C++ and thrive on performance-critical engineering challenges, this is where your skills make the biggest impact.
- Organization
: Alignerr - Type
: Hourly Contract - Location
: Remote - Commitment
: 20-40 hours/week
- Design, build, and optimize high-performance C++ systems supporting AI data pipelines and evaluation workflows
- Develop backend services and full-stack tooling for large-scale data annotation, validation, and quality control
- Improve reliability, performance, and safety across existing C++ codebases
- Identify and resolve bottlenecks and edge cases in data and system behavior with scalable, production-ready solutions
- Collaborate with data, research, and engineering teams to support model training and evaluation workflows
- Participate in synchronous design reviews and contribute to system architecture decisions
- 5+ years of professional experience writing production-grade C++ - you're fluent in modern standards (C++17 or C++20 preferred)
- Deep understanding of computer architecture, SIMD intrinsics, and cache coherency - you know how to squeeze performance out of compute-heavy workloads
- Expert in lock-free programming and maximizing parallelism using threading libraries
- Strong full-stack developer with a solid systems programming background
- Native or fluent English speaker with clear written and verbal communication skills
- Available to commit 20-40 hours per week consistently
- Prior experience with data annotation, data quality pipelines, or evaluation systems
- Familiarity with AI/ML workflows, model training, or benchmarking pipelines
- Experience with distributed systems or developer tooling
- Background in high-performance computing, game engines, or financial systems
- Work on cutting-edge AI projects alongside leading research labs at the frontier of the field
- Fully remote and flexible - work from wherever you do your best thinking
- Freelance autonomy with the structure of meaningful, high-impact engineering work
- Tackle genuinely hard performance and systems challenges that push the limits of modern C++
- Potential for ongoing work and contract extension as new projects launch