Remote Frontend Software Engineer (React, TypeScript or JavaScript) - AI Trainer ($80-$120 per hour)Mercor • Bellevue, Washington, US
Remote Frontend Software Engineer (React, TypeScript or JavaScript) - AI Trainer ($80-$120 per hour)
Mercor • Bellevue, Washington, US
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.part_time]
- [filters.remote]
[job_card.job_description]Mercor is hiring experienced frontend 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 React, TypeScript, or JavaScript 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 frontend engineer - Degree in Software Engineering, Computer Science, or a related field - Strong proficiency in React, Typescript or Javascript - 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 $90 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 Frontend • Bellevue, Washington, US
[internal_linking.related_jobs]
We bring together human expertise and AI innovation to help companies secure top global talent with speed, clarity, and compliance.
But the immigration system wasn’t built for speed, clarity, or sca...[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 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] 
Role : Software / Developer Operations Engineer.We at TEKsystems is partnering with our client and their Operations Support Squad to hire Remote Engineers (Must reside in Greater Seattle Area) to supp...[show_more]
HackerOne is a global leader in Continuous Threat Exposure Management (CTEM).The HackerOne Platform unites agentic AI solutions with the ingenuity of the world's largest community of security resea...[show_more]
Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives.The work you do with our team will directly improve health outcomes by connect...[show_more]
CoreWeave is The Essential Cloud for AI™.Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence....[show_more] Mercor is hiring experienced frontend engineers • • to support a variety of high-impact research collaborations with leading AI labs.
Freelancers will help improve AI systems through work extending co...[show_more] 
A technology startup in San Francisco seeks a founding Frontend Engineer to design AI interfaces for sales teams.This role requires over 5 years of experience in web application development and exp...[show_more]
At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers.
All team members receive a competitive base salary and compensation pack...[show_more]
HackerOne is a global leader in offensive security solutions.Our HackerOne Platform combines AI with the ingenuity of the largest community of security researchers to find and fix security, privacy...[show_more]
Robots & Pencils is seeking an outcome oriented Forward Deployed Senior Software Engineer to partner with strategic clients on high-impact agentic AI applications.
You'll embed directly with custome...[show_more]
Staff Software Engineer, Full-Stack - Enterprise Gen AI.Scale GP (Scale Generative AI Platform) is an enterprise-grade AI platform providing APIs for knowledge retrieval, inference, evaluation, and...[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] 
Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime.
At Pinterest, we're on a mission to br...[show_more] HackerOne is a global leader in offensive security solutions.Our HackerOne Platform combines AI with the ingenuity of the largest community of security researchers to find and fix security, privacy...[show_more] 
Work with internal teams to implement AI technologies in our tools and products Develop AI techniques to create best in class solutions for our partners Advocate for responsible and ethical AI, wor...[show_more]
Overview Avaya Voice Engineer (PSTS-2025-24289) : Bowhead seeks a Avaya Voice Engineer to provide Base Telecom Support at the Puget Sound, WA.
The Telecom Mechanic effort will provide telecommunicati...[show_more]
AI Engineer
Casium • Seattle, Washington, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Remote FinTech Product Analyst - AI Trainer ($50-$60 / hour)
Data Annotation • Everett, Washington
[filters.remote]
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
Remote M&A Associate - AI Trainer ($50-$60 / hour)
Data Annotation • Marysville, Washington
[filters.remote]
[job_card.full_time] +1
[last_updated.last_updated_variable_days] • [promoted]
Remote Software Engineer
TEKsystems • Seattle, WA, United States
[filters.remote]
[job_card.temporary]
[last_updated.last_updated_30] • [promoted]
Staff Software Applied AI Engineer
hackerone • Seattle, WA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Director, AI / ML Engineering – Remote
UnitedHealth Group • Bellevue, Washington, US
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Software and AI Engineer
Coreweave • Bellevue, Washington, United States
[job_card.full_time] +1
[last_updated.last_updated_variable_days] • [promoted]
Remote Frontend Software Engineer (React, TypeScript or JavaScript) - AI Trainer ($80-$120 per hour)
Mercor • Marysville, Washington, US
[filters.remote]
[job_card.part_time]
[last_updated.last_updated_variable_days] • [promoted]
Founding Frontend Engineer for AI Interfaces
Clarify • Seattle, WA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Sr Engineer, Software AI
T-Mobile USA, Inc. • Bellevue, WA, United States
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
Staff Software Applied AI Engineer
Hackerone • Seattle, Washington, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
AI Engineer
Robots And Pencils • Seattle, Washington, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Staff Software Engineer, Full-Stack - Enterprise Gen AI
Scale AI, Inc. • Seattle, WA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Remote Software Engineer - US - AI Trainer ($50-$85 per hour)
Mercor • Everett, Washington, US
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_variable_hours] • [promoted] • [new]
Sr. Staff Software Engineer, Core Foundations
Pinterest • Seattle, WA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Senior Software Applied AI Engineer
Hackerone • Seattle, Washington, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Sr AI Engineer
Hasbro • Renton, Washington, United States
[job_card.full_time]
[last_updated.last_updated_variable_hours] • [promoted] • [new]
Avaya Voice Engineer
Bowhead / UIC Technical Services • Everett, Washington, US
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]