Senior Software Engineering Expert (Remote | $120–$180/hr) Position: Senior Software Engineering Expert Type: Hourly Contract Compensation: $120–$180/hour

Location:
Remote (United States, United Kingdom, Canada, Australia, or New Zealand) About the Opportunity An AI research lab is seeking experienced senior software engineers to help improve AI systems' real-world software engineering capabilities. You will design challenging engineering tasks, develop reference solutions, and evaluate AI-generated code using your professional expertise.

Key Responsibilities
• Design realistic software engineering tasks involving feature development, debugging, code review, system design, and technical documentation.
• Explain task complexity, verification methods, and real-world relevance.
• Create reference solutions, tests, and evaluation criteria for correctness, architecture, maintainability, style, and scope.
• Evaluate AI-generated code and collaborate with AI coding agents to assess their strengths and weaknesses.
• Provide consistent, evidence-based assessments of engineering quality.
• Incorporate reviewer feedback and refine submitted work. Required Qualifications
• At least 4 years of professional software engineering experience at a qualifying leading technology company,



quantitative firm, financial institution, or high-growth technology company.
• Mid-senior or senior-level experience, depending on the employer.
• Strong proficiency in at least one major programming language, such as Python, Java, C++, Go, TypeScript, or Rust.
• Experience with system design, testing, debugging, code review, and large production codebases.
• Ability to evaluate code quality beyond whether tests pass.
• Excellent written English and the ability to explain technical decisions and trade-offs clearly.
• Bachelor's degree from an English-speaking country.
• Strong attention to detail and willingness to incorporate feedback and follow evaluation standards. Preferred Qualifications
• Experience at a leading technology company, top-tier quantitative firm, hedge fund, trading firm, or major financial institution.
• Background in machine learning, infrastructure, data, security, or quantitative development engineering. Compensation
• Hourly contract rate of $120–$180.
• Remote work for eligible candidates in the specified countries. Application Process The application process was not specified in the provided listing.

📌 Senior Software Engineer (España)
🏢 Synthires
📍 España