Senior Software Engineer
- Fully Remote | Upto $210/hrMercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.
Position: Expert Senior SWEType: ContractCompensation: $150–$210/hourLocation: RemoteCommitment: 20 hours/weekRole ResponsibilitiesEvaluate and enhance AI model capabilities in complex SWE tasks.
Collaborate with AI research teams to improve training data quality.
Develop benchmarks for assessing AI-generated solutions.
Work independently and asynchronously to meet project deadlines.
Shape model reasoning and elevate training data quality.
QualificationsMust-Have5+ years of experience working at top US tech firms.




Passion for improving model capabilities in complex SWE tasks.
Interview Process30 mins AI interview.
Asynchronous SWE exercise and project instructions quiz (2 hours total, paid $100 for completion).
Hourly contractor role.
Paid weekly via Stripe Connect.
BenefitsCompetitive salary.
Excellent benefits.
Versátil, fully remote work environment.
Opportunity to work on challenging projects.
Supportive culture that values learning and growth.
Flexibility of working from home, with occasional in-person team gatherings.
Employer—

📌 Backend Developer | Java (La Coruña)
🏢 Twtspain
📍 La Coruña