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Software Engineer / Backend Developer (Junior / Senior)

Remote · Spain Full-time

1. Role Overview

Mercor is partnering with a leading AI research group to enhance the performance and reliability of code generation and reasoning models. We’re seeking experienced software engineers with a strong foundation in backend systems, documentation standards, and real-world programming constraints. This project centers on evaluating and improving AI-generated technical content — including API guides, code snippets, and documentation. This is a short-term, high-impact opportunity ideal for engineers who value clarity, correctness, and practical problem-solving.

  • *2. Key Responsibilities**

- Review and validate AI-generated API documentation, guides, and design notes - Identify edge cases, implementation gaps, and inaccuracies in technical outputs - Suggest or write improved code snippets and documentation content - Assess model responses for correctness, clarity, and utility in real-world development - Provide structured feedback on input validation and error handling logic

  • *3. Ideal Qualifications**

- 2+ years of experience as a software engineer with a focus on backend or systems work - Proficiency in at least one major programming language (e.g., Python, Go, Java) - Prior experience writing or maintaining technical documentation or API guides - Strong understanding of input validation, defensive programming, and software design patterns - Excellent written communication and analytical skills

  • *4. More About the Opportunity**

- Expected commitment: ~10–20 hours/week - Short-term contract engagement, with potential for follow-on work - Tools and templates provided for structured contributions

  • *6. Application Process**

- Submit your resume to get started - You’ll then complete a short form to showcase your technical expertise - If there’s a good fit, we’ll follow up within a few business days

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