Remote C++ Backend Engineer for AI Data Pipelines

Alignerr Corp.; Seattle (WA); Remote; USD 96,000 - 165,000; Part time

Job summary

Alignerr is seeking a Senior C++ Backend Engineer to design, build, and optimize data pipelines, annotation tooling, and evaluation infrastructure used in AI research. The role is a fully remote hourly contract with 20–40 hours per week.

Ideal candidates have 5+ years of production C++, strong async networking skills, and experience with databases or message queues. Join a fast-paced team collaborating across data, research, and engineering to advance AI systems.

Qualifications

• 5+ years of professional experience writing production-grade C++.
• Strong background in asynchronous network programming and high-performance systems.
• Experience interfacing with high-throughput databases or message queues.
• Full-stack development experience with a systems programming foundation.
• Able to commit 20–40 hours per week consistently.

Responsibilities

• Design, build, and optimize high-performance C++ systems for data pipelines and evaluation workflows.
• Develop backend services and tooling for data annotation, validation, and quality control at scale.
• Improve reliability and performance across production C++ codebases.
• Identify bottlenecks and implement scalable fixes.
• Collaborate asynchronously with data, research, and engineering teams.

Skills

Production C++

Asynchronous I/O

Distributed systems

English communication

Remote collaboration

Tools

RPC frameworks

Databases

Message queues

Job description

Alignerr is seeking a Senior C++ Backend Engineer to design, build, and optimize data pipelines, annotation tooling, and evaluation infrastructure used in AI research. The role is a fully remote hourly contract with 20–40 hours per week.

Ideal candidates have 5+ years of production C++, strong async networking skills, and experience with databases or message queues. Join a fast-paced team collaborating across data, research, and engineering to advance AI systems.