Frontend Software Engineer (React, TypeScript or JavaScript)Mercor • Port St. Lucie, Florida, US
No longer accepting applications
Frontend Software Engineer (React, TypeScript or JavaScript)
Mercor • Port St. Lucie, Florida, US
1 day ago
Job type
- Part-time
- Remote
Job descriptionMercor 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!
Create a job alert for this search
Software Engineer Frontend • Port St. Lucie, Florida, US
Related jobs Role Overview • • Mercor is engaging advanced CUDA experts who specialize in GPU kernel optimization, performance profiling, and numerical efficiency.
These professionals possess a deep mental model o...Show more 
Senior Software Engineer - Backend.Inspiren offers the most complete and connected ecosystem in senior living.Founded by Michael Wang, a former Green Beret turned cardiothoracic nurse, Inspiren pro...Show more
A company is looking for a Customer Support Specialist to enhance customer experience by providing technical support and engineering solutions.
Key Responsibilities Triaging customer issues and de...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 
Motorola Solutions Full-Stack Developer.At Motorola Solutions, we believe that everything starts with our people.We're a global close-knit community, united by the relentless pursuit to help keep p...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 We’re looking for • •open-source contributors • • and • •experienced engineers • • who understand how to review, maintain, and troubleshoot live repositories.
Who You Are • • - An • •open-source developer or...Show more 
Speechify is the easiest way to listen to the world's information.Articles on the web, documents in the cloud, books on your phone.
We absorb it all and let you listen to it at your desk, on the go,...Show more
Full-Stack Product Engineering Opportunity.TRM is on a mission to build a safer financial system for billions of people.We deliver a blockchain intelligence data platform to financial institutions,...Show more
Senior Software Engineer, Backend (Merchant Interfaces).Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidde...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 Role Overview • • Mercor is collaborating with a top-tier developer documentation team to support high-priority technical writing and content validation tasks.
This opportunity is ideal for seasoned A...Show more 
This position is for individuals who want to develop a side income stream while still working full time.You will test different small-scale remote opportunities, learn what works, and grow what pro...Show more
Join Amazon's engineering team and help us build innovative solutions to complex problems.As a Software Development Engineer, you will design, develop, and test software applications and services.W...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 Mercor is hiring experienced Go Engineers • • to support a variety of high-impact research collaborations with leading AI labs.
Freelancers will help improve AI systems through work extending coding b...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 
Launched in Bahrain in November of 2019, Calo is on a mission to make healthy easy.We're a team of dedicated people driving this mission by providing better, faster, and cheaper ways to access food...Show more
Remote CUDA Kernel Optimizer - ML Engineer - AI Trainer ($120-$250 per hour)
Mercor • Port St. Lucie, Florida, US
Remote
Full-time
Last updated: 17 hours ago • Promoted • New!
Senior Software Engineer - Backend
Inspiren • Port St Lucie, FL, United States
Full-time
Last updated: 3 days ago • Promoted
Customer Support Engineer
VirtualVocations • Port Saint Lucie, Florida, United States
Full-time
Last updated: 30+ days ago • Promoted
Remote Backend Software Engineer : Python - AI Trainer ($80-$120 per hour)
Mercor • Fort Pierce, Florida, US
Remote
Part-time
Last updated: 17 hours ago • Promoted • New!
Senior Software Engineer Cybersecurity Services
Motorola Solutions • Port St Lucie, FL, United States
Full-time
Last updated: 3 days ago • Promoted
Remote Frontend Software Engineer (React, TypeScript or JavaScript) - AI Trainer ($80-$120 per hour)
Mercor • Fort Pierce, Florida, US
Remote
Part-time
Last updated: 17 hours ago • Promoted • New!
Remote Open Source Developers - AI Trainer ($90-$120 per hour)
Mercor • Port St. Lucie, Florida, US
Remote
Full-time
Last updated: 17 hours ago • Promoted • New!
Senior Software Engineer, Core Experiences - Port St. Lucie, USA
Speechify • Port St Lucie, FL, United States
Full-time
Last updated: 2 days ago • Promoted
Senior Software Engineer, Backend
TRM Labs • Port St Lucie, FL, United States
Full-time
Last updated: 3 days ago • Promoted
Senior Software Engineer, Backend (Merchant Interfaces)
Affirm • Port St Lucie, FL, United States
Full-time
Last updated: 3 days ago • Promoted
Remote Exceptional Software Engineers (Experience Using Agents) - AI Trainer ($70-$110 per hour)
Mercor • Port St. Lucie, Florida, US
Remote
Full-time
Last updated: 17 hours ago • Promoted • New!
Remote Software Technical Writers - AI Trainer ($50-$80 per hour)
Mercor • Fort Pierce, Florida, US
Remote
Full-time
Last updated: 17 hours ago • Promoted • New!
Remote Side Hustle Developer
Finance Buzz • Port Saint Lucie, Florida, US
Remote
Full-time +1
Last updated: 30+ days ago • Promoted
Software Development Engineer
Amazon • Stuart, FL, USA
Full-time
Last updated: 29 days ago • Promoted
Remote Rust, JavaScript / TypeScript and Python Engineers (code agent experience) - AI Trainer ($70-$90 per hour)
Mercor • Fort Pierce, Florida, US
Remote
Full-time
Last updated: 17 hours ago • Promoted • New!
Remote Backend Software Engineer : Go - AI Trainer ($80-$100 per hour)
Mercor • Fort Pierce, Florida, US
Remote
Part-time
Last updated: 17 hours ago • Promoted • New!
Remote Exceptional Software Engineers (Coding Agent Experience) - AI Trainer ($85-$85 per hour)
Mercor • Port St. Lucie, Florida, US
Remote
Full-time
Last updated: 17 hours ago • Promoted • New!
Senior Software Engineer
Calo • Port St Lucie, FL, United States
Full-time
Last updated: 3 days ago • Promoted