C++ Backend Engineer - AI Data Platforms
Alignerr · Seattle, WA · Today
RemoteRemoteEngineeringContract
What You'll Do
- Design, build, and optimize high-performance C++ systems that power AI data pipelines and model evaluation workflows
- Develop backend services and full-stack tooling supporting large-scale data annotation, validation, and quality control
- Improve reliability, safety, and throughput across existing production C++ codebases
- Identify and resolve bottlenecks, edge cases, and failure modes in complex distributed systems
- Collaborate closely with data, research, and engineering teams to accelerate model training and evaluation
- Participate in synchronous design reviews and contribute to architectural decisions that shape the platform
Who You Are
- Native or fluent English speaker with clear written and verbal communication skills
- 5+ years of professional experience writing production-grade C++
- Experienced with high-throughput databases or message queues
- Full-stack developer mindset with a deep systems programming foundation
- Able to commit 20–40 hours per week with consistency and reliability
Nice to Have
- Prior experience with data annotation platforms, data quality systems, or model evaluation infrastructure
- Familiarity with AI/ML workflows, model training pipelines, or benchmarking systems
- Experience with distributed systems architecture or internal developer tooling