Senior C++ Engineer

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.