Senior C/C++ Engineer for AI Training Content Development

Company Description

Welpora is a leading AI-focused data annotation and solutions company, delivering precise and scalable datasets for machine learning applications. Specializing in image, text, audio, and video annotation, we support industries such as autonomous systems, NLP, computer vision, and AI training. With a robust freelance workforce and optimized workflows, we deliver high-quality, cost-effective solutions with quick turnaround times. At Welpora, we integrate human intelligence with advanced technology to foster innovation and build smarter AI systems.

Role Description

As a Senior C/C++ Engineer, you will work remotely on an hourly paid basis to review AI-generated C code, low-level 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. Your systems-level C expertise will directly help improve the world’s premier AI models used by millions of developers worldwide.

Your profile must -

• 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, embedded, or performance-critical applications.
• Expert-level proficiency in C, including deep understanding of pointers, memory management, undefined behavior, and low-level debugging.
• Strong background in systems programming concepts such as concurrency, operating systems, hardware interaction, and performance optimization.
• Hands-on experience with build systems, compilers, linkers, and debugging tools commonly used in C development.

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• 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 code reviews and enforcing coding standards for safety and maintainability in C codebases.
• Comfort working with version control, CI/CD workflows, and automated testing for 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 low-level code.

Payout - 💰Up to $30 / hour

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.

Why Work With SME Careers -

Want to be a part of a forward-thinking team and help us train AI to communicate more effectively? At SME Careers, we connect skilled professionals with opportunities in the rapidly evolving AI industry.

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Shape the Future of AI

Your work directly contributes to how AI systems learn and communicate.

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Your Schedule, Your Rules

Set your own hours and work around your life.

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Weekly Pay

Receive fast, reliable weekly payments once your work is approved, ensuring consistency and reliability in your work.