Software Engineer, Fullstack

Job Summary
:
Mercor is at the intersection of labor markets and AI research, partnering with leading AI labs and enterprises. The role involves owning user-facing features end-to-end, working on core marketplace surfaces, and requires strong technical fundamentals and product intuition.

Responsibilities
:

• Own product features end-to-end, from scoping and design partnership to implementation, launch, and iteration

• Build and maintain frontend experiences in React / Next.js with strong UX judgment and attention to detail

• Design and implement backend APIs and services in Python and Go that power marketplace workflows

• Model and evolve data using Mongo

DB and SQL, balancing correctness, flexibility, and performance

• Partner closely with Product and Design to make trade-offs between speed, quality, and long-term maintainability

• Develop intuition for marketplace dynamics (supply, demand, incentives, trust, activation, drop-off) and reflect that in product decisions

• Instrument features, analyze funnels, and iterate based on real user behavior

• Raise the bar for code quality, system design, and product craftsmanship through reviews and collaboration

Qualifications
:
Required
:

• Strong product intuition and UX sensibility—you care deeply about how things feel, not just whether they work

• Ability to reason about user behavior, incentives, and marketplace dynamics

• Comfort making product decisions when requirements are incomplete or evolving

• Experience building full-stack web applications in production

• Strong frontend experience with React / Next.js

• Backend experience with Python and/or Go, including API design and service ownership

• Familiarity with Mongo

DB and relational databases (SQL) and when to use each

• Track record of shipping features end-to-end in fast-moving environments

• Bias toward action and ownership—you take responsibility for outcomes, not just tasks

• Ability to balance speed with long-term quality and know when 'good enough' is correct

• Clear communicator who can align technical decisions with business goals

Preferred
:

• Experience working on marketplaces, consumer products, or growth-oriented platforms

• Strong intuition for onboarding, activation, and funnel optimization

• Experience working closely with designers and PMs in highly iterative product cycles

Company
:
Mercor is an AI-based hiring platform that improves the recruitment process by matching talent with opportunities tailored to their skills. Founded in 2023, the company is headquartered in San Francisco, USA, with a team of 51-200 employees. The company is currently Growth Stage.