As a Senior C++ Engineer, you will work remotely on an hourly paid basis to review AI-generated C++ code, systems designs, and technical explanations, as well as generate high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for accuracy, clarity, safety, and adherence to the prompt; identify errors in logic, memory handling, concurrency, or performance; fact-check technical information; write high-quality explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality.This fully remote, hourly paid contractor role is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs, where your C++ and systems expertise will directly help improve the world’s premier AI models used by millions of developers worldwide.

Key Responsibilities

Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile

Bachelor’s degree or higher in Computer Science, Electrical/Computer Engineering, or a closely related technical field.
4+ years of professional experience developing production software in C++ for systems, performance-critical, or large-scale applications.
Expert-level proficiency in modern C++ (C++11 and later), including templates, move semantics, smart pointers, and the STL.
Strong background in systems programming concepts such as concurrency, operating systems, low-level performance optimization, and memory management.
Hands-on experience with C++ build systems, compilers, linkers, debuggers, and profiling or analysis tools.
Minimum C1 English proficiency (written and spoken), with the ability to write clear technical explanations and follow detailed English-language guidelines.
Proven experience conducting detailed C++ code reviews and enforcing coding standards for safety, performance, and maintainability.
Comfort working with version control, CI/CD workflows, and automated testing frameworks in modern C++ projects.
Previous experience with AI data training, annotation, or evaluating AI-generated technical content is a strong plus.
Highly detail-oriented and systematic, with a methodical approach to evaluating reasoning quality and identifying subtle issues in complex C++ code.

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Senior C++ Engineer