This job post has expired on June 19, 2025. It is likely that the position has already been filled.

Exceptional Junior Software Engineer (Remote)
Hourly Rate: $50-$150/hr (Blended rate approx. $120/hr based on performance)
Location: Remote (Applicants must reside in the U.S., UK, or Canada)
Join Mercor on a groundbreaking AI innovation project! As a Junior Software Engineer, you'll design and develop advanced database schemas, build robust APIs, and engineer realistic environments tailored for cutting-edge Reinforcement Learning models. Your contributions will directly impact globally utilized platforms for training and deploying state-of-the-art AI.
You're an ideal candidate if you:
Have 1+ years of software engineering experience in elite environments such as top-tier tech startups, quantitative trading firms, or hedge funds.
Hold a Computer Science degree from a prestigious university (U.S., UK, or Canada).
Are experienced in developing complex database schemas.
Possess expert proficiency in API development, including creation, testing, and integration.
Demonstrate advanced skills in SQL and database architecture.
Excel in meticulous problem-solving with exceptional attention to detail.
Have outstanding communication skills, both written and verbal.
Lead teams in designing advanced database structures and API systems.
Develop and implement secure authentication, policy enforcement, and backend solutions.
Generate realistic synthetic data for AI training environments.
Ensure application performance, security, and modularity.
Tackle unique challenges posed by Reinforcement Learning applications.
Flexible commitment: Initially 10-20 hours per week, with potential to scale to 40 hours.
Fully remote and asynchronous working environment.
Initial project duration of 1–2 months, with possibilities for extension.
Upon acceptance, you'll join one of our ongoing projects, compensated through a hybrid model combining hourly and commission-based pay, or commission-based only, depending on project specifics. Detailed compensation structure will be provided during onboarding.
Mercor connects elite talent with premier AI research labs. Headquartered in San Francisco, CA, our distinguished investors include Benchmark, General Catalyst, Peter Thiel, Adam D’Angelo, Larry Summers, and Jack Do
Upload resume → AI interview → Complete form → Submit application
Upload your best, up-to-date resume in English. Mercor will extract details and fill out your profile automatically. Review and adjust as needed.
SHOCKING FACT: Only ~20% of applicants complete their application! Take the 15-minute AI interview about your experience and you'll have MUCH HIGHER chances of getting hired!
AI Interview Tips: The interview focuses on your resume and work experience. Be ready to discuss specific projects and how you solved challenges.
Takes about 15 minutes | Dramatically improves your chances