Remote Backend Software Engineer: Python - AI Trainer ($80-$120 per hour)Mercor • Rancho Palos Verdes, California, US
Remote Backend Software Engineer : Python - AI Trainer ($80-$120 per hour)
Mercor • Rancho Palos Verdes, California, US
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.part_time]
- [filters.remote]
[job_card.job_description]Mercor is hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories - Ensure benchmark tasks include comprehensive unit and integration tests for solution verification - Maintain consistency and scalability of benchmark task distribution - Provide structured feedback on solution quality and clarity - Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer, or applied data scientist - Degree in Software Engineering, Computer Science, or a related field - Strong proficiency in Python - Experience with debugging, testing, and validating code - Comfortable with technical writing and attention to detail Project Timeline Start Date : Immediate - Duration : 1 month - Commitment : Part-time (15–20 hours / week) - Schedule : Fully remote and asynchronous – flexible working hours Compensation & Contract $80 per hour plus lucrative bonus per approved task (1 task takes approximately 1 hour to complete) - Median average pay inclusive of bonuses is $200 / hr - Independent contractor - Daily payment via Stripe Connect Application & Onboarding Process Upload your resume - AI interview : A short, 15-minute conversational session to understand your background, experience, and interest in the role - Brief assessment testing real-world coding ability, technical depth, and debugging approach - Follow-up communication within a few days with next steps and onboarding details \ About Mercor Mercor is a San Francisco-based company specializing in connecting elite professionals with cutting-edge AI initiatives. Our investors include Benchmark, General Catalyst, Adam D’Angelo, Larry Summers, and Jack Dorsey. Thousands of professionals across engineering, research, and creative fields have partnered with Mercor on frontier projects shaping the future of AI. Apply today and leverage your software engineering expertise to help build the future of AI-driven systems!
[job_alerts.create_a_job]
Software Engineer Backend Python • Rancho Palos Verdes, California, US
[internal_linking.related_jobs]
A company is looking for a Staff AI Agent Software Engineer to pioneer and scale the foundations of their agentic capabilities.
Key Responsibilities Serve as the center of excellence for agentic s...[show_more] A company is looking for a Staff AI Tooling Developer.Key Responsibilities Build the AI platform infrastructure, including knowledge management and secure integrations Identify and implement tra...[show_more] Mercor is partnering with leading AI labs to recruit • •skilled Software Engineers • • for cutting-edge research initiatives.
These projects focus on • •writing and reviewing full unit test suites • • for...[show_more] 
In this role, you’ll be at the forefront of the machine learning that powers Outsmart’s applications.As an early member of the engineering team you’ll play a critical role in setting the tone for O...[show_more] A company is looking for a Senior Software Engineer, AI.Key Responsibilities : Partner with the Senior Product Manager, AI to create a technical roadmap for AI product strategy Design and evolve ...[show_more] 
We are looking for a finance professional to join our team to train AI models.You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of ...[show_more] A company is looking for a Senior Agent Engineer who is a strong software engineer with applied Machine Learning expertise.
Key Responsibilities : Architect end-to-end AI agent systems capable of m...[show_more] Mercor is seeking software engineers to support one of the world’s leading AI labs in building • •robust, high-performance systems • • that serve the needs of next-generation machine learning applicat...[show_more] 
We connect talented tech professionals in Latin America and Canada with remote career opportunities at innovative startups worldwide.
We specialize in finding roles that align with your skills, expe...[show_more]
A prominent payroll platform is seeking a Senior Staff Software Engineer to lead technical efforts in building and scaling their payroll APIs.
The ideal candidate has over 12 years of software devel...[show_more]
Senior Fullstack Engineer Agentic Infrastructure.We are looking for a skilled Senior Software Engineer with a strong background in Generative AI, Agentic AI, and applied software engineering.You wi...[show_more] Mercor is hiring experienced Python Engineers • • to support a variety of high-impact research collaborations with leading AI labs.
Freelancers will help improve AI systems through work extending codi...[show_more] 
We’re hiring Backend Engineers to join some of the most ambitious startups, including Basis, Conduit AI, Dashly, and Rilla.
These teams are building distributed systems, data-heavy products, and rel...[show_more] We are looking for a finance professional to join our team to train AI models.You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of ...[show_more] 
Top-ranked proprietary trading firm, Maverick Currencies, is searching for entrepreneurially-minded, profit-driven people to be trained in the art and science of proprietary trading in its online c...[show_more]
Millennium Space Systems, A Boeing Company delivers affordable, high-performance space systems for exacting customers.At Millennium, you will be part of a close-knit team working on exciting techno...[show_more] We are looking for a finance professional to join our team to train AI models.You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of ...[show_more] We’re recruiting AI & ML Engineers across some of the fastest-growing startups in the world — including .Poolside, Parallel, Final Round AI, and Harmonic.
These companies are building cutting-edge p...[show_more]
Staff AI Agent Software Engineer
VirtualVocations • Carson, California, United States
[job_card.full_time]
[last_updated.last_updated_1_day] • [promoted]
Staff AI Tooling Engineer
VirtualVocations • Carson, California, United States
[job_card.full_time]
[last_updated.last_updated_less] • [promoted] • [new]
Remote Software Engineer - US - AI Trainer ($50-$85 per hour)
Mercor • Rancho Palos Verdes, California, US
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_1_day] • [promoted]
AI Engineer
Open Roles At Outsmart • Culver City, California, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Senior Software Engineer, AI
VirtualVocations • Carson, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Remote M&A Associate - AI Trainer ($50-$60 / hour)
Data Annotation • Long Beach, California
[filters.remote]
[job_card.full_time] +1
[last_updated.last_updated_variable_days] • [promoted]
Senior AI Agent Engineer
VirtualVocations • Carson, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Remote Rust, JavaScript / TypeScript and Python Engineers (code agent experience) - AI Trainer ($70-$90 per hour)
Mercor • Rancho Palos Verdes, California, US
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Software Engineer (Python) | Remote | Startup Transforming legal tech with AI
Atomic HR • Los Angeles, California, .US
[filters.remote]
[job_card.full_time]
[filters_job_card.quick_apply]
[last_updated.last_updated_30]
Senior Staff API Platform Engineer — Remote-Friendly
Gusto • Los Angeles, CA, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Senior Full Stack AI Engineer Job ID 2025-9880
Internet Brands • El Segundo, California, United States
[job_card.full_time]
[last_updated.last_updated_variable_hours] • [promoted] • [new]
Remote Backend Software Engineer : Python - AI Trainer ($80-$120 per hour)
Mercor • Long Beach, California, US
[filters.remote]
[job_card.part_time]
[last_updated.last_updated_variable_days] • [promoted]
Backend Engineer(Multiple Roles, Remote & On-Site)
Mlabs • Los Angeles, California, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Remote Investment Analyst – AI Trainer ($50-$60 / hour)
Data Annotation • Carson, California
[filters.remote]
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
Remote Entry-Level Currency Trader
Maverick Currencies • Long Beach, CA
[filters.remote]
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
AI Operations Engineer (Mid-Experienced Level)
Millennium Space Systems • El Segundo, California, United States
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
Remote FinTech Product Analyst - AI Trainer ($50-$60 / hour)
Data Annotation • Carson, California
[filters.remote]
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
AI & Machine Learning Engineer (Multiple Roles, Remote & On-Site)
Mlabs • Los Angeles, California, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]