Senior C++ Full-Stack Engineer, AI Data & Infra (Remote)

Alignerr Corp.; Seattle (WA); Remote; USD 124,000 - 248,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Contract work with potential extension

Competitive hourly rate

Job summary

Alignerr Corp. is seeking a Senior C++ Full-Stack Engineer to design, build, and optimize high-performance data pipelines and tooling for AI labs. This fully remote contract role emphasizes performance, reliability, and scalable backend services across large-scale workflows.

You will collaborate with data, research, and engineering teams to support model training and evaluation, while maintaining robust, production-grade systems and tooling.

Qualifications

• 3–5+ years of production C++ experience.
• Proficient in modern C++ standards (C++17/20).
• Strong English communication and collaboration skills.

Responsibilities

• Design, build, and optimize high-performance C++ systems for AI data pipelines.
• Develop full-stack tooling and backend services for annotation, validation, and QC.
• Improve reliability, safety, and performance across codebases.
• Identify bottlenecks and implement scalable, production-grade fixes.
• Collaborate with data, research, and engineering teams on model training workflows.
• Participate in design reviews to iterate architecture decisions.

Skills

C++ production

Performance optimization

Concurrency

Memory safety

Full-stack tooling

Job description

Alignerr Corp. is seeking a Senior C++ Full-Stack Engineer to design, build, and optimize high-performance data pipelines and tooling for AI labs. This fully remote contract role emphasizes performance, reliability, and scalable backend services across large-scale workflows.

You will collaborate with data, research, and engineering teams to support model training and evaluation, while maintaining robust, production-grade systems and tooling.