Software Engineer, Frontend
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Job Location:
San Francisco, CA - USA
Monthly Salary:
$ 130 - 500
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Department:
Job Summary
About Mercor
Mercor is at the intersection of labor markets and AI research. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development.
Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge experience and context that cant be captured in code alone. Today more than 30000 experts in our network collectively earn over $1.5 million a day.
Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious fast-paced and deeply committed team. Youll work alongside researchers operators and AI companies at the forefront of shaping the systems that are redefining society.
Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our new San Francisco headquarters.
About the Role
As a Frontend Engineer at Mercor youll join a small product-driven engineering team designing and building the user-facing systems that define how customers interact with our core AI infrastructure. This is a high-impact product-focused role where youll work closely with design product and backend engineers to ship intuitive performant and scalable experiences for the worlds leading AI labs. From day one youll write production-grade code own projects end-to-end and balance velocity with polish usability and scalability.
At the end of the process youll be team-matched to where you can have the most impact on one of the following:
Talent platform side building next-generation tools that automate recruiting end-to-end intelligently match candidates to roles and power global hiring with seamless contracts and payments.
Applied AI/human data side partnering with top AI researchers from OpenAI Anthropic Google and others to create post-training datasets that improve foundational model capabilities.
What Youll Do
Design and build intuitive performant user interfaces that scale across platforms.
Integrate APIs and data flows seamlessly with backend systems.
Collaborate with design and product teams to take concepts from wireframes to production.
Write clean maintainable React/TypeScript code and contribute to frontend documentation.
Participate in design reviews code reviews and retrospectives.
Solve complex product and technical challenges under real-world constraints.
Contribute to systems that power training evaluation and scaling for leading AI labs.
What Were Looking For
Strong coding fundamentals and proficiency in JavaScript/TypeScript (React stack).
Understanding of frontend architecture state management and design patterns.
Familiarity with APIs data fetching and performance optimization.
Ability to thrive in ambiguous fast-moving environments with high ownership.
Strong design sense and empathy for end-users.
Curiosity grit and a bias toward simple solutions to complex problems.
Strong communication skills and ability to articulate technical and product tradeoffs.
Excited and curious about Mercor.
Nice-to-Haves
Experience with frontend frameworks (React Tailwind) and modern build tools.
Exposure to AI tools LLM-powered products or projects in this space.
Experience at top-tier tech companies or fast-scaling startups.
Contributions to open source or shipped side projects.
Background in design systems accessibility or developer tooling.
Exposure to real-time data visualization libraries or high-performance UI.
Why Mercor
Impact: Your work powers how the worlds leading AI labs train and test their models.
Learning: Get early insights into frontier model capabilities months before the market.
Growth: Work on both infrastructure and research-adjacent projects with fast paths to ownership.
Benefits
Generous equity grant vested over 4 years
A $20K relocation bonus (if moving to the Bay Area)
A $10K housing bonus (if you live within 0.5 miles of our office)
A $1K monthly stipend for meals
Free Equinox membership
Health insurance
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- Data Structures
- JavaScript
- Software Development
- Java
- Distributed Systems
