About Mercor
Mercor is training models that predict how well someone will perform on a job better than a human can. We use our platform to source, vet, and onboard expert contractors who help train AI models in a wide variety of domains. Our technology is so effective it’s used by all of the top 5 AI labs.
We scaled from $1-500M in revenue run rate in the last 17 months, making us the fastest growing company in the world. Our growth is accelerating. We averaged 11% week over week growth in July, 18% WoW growth in August, and 19% WoW growth in September. The team is small and we remain profitable because we can’t hire great people as quickly as revenue is growing.
About the Role
As an Infrastructure Engineer at Mercor, you’ll build and scale the systems that power our rapid growth. You’ll ensure our infrastructure is highly available, cost-effective, and able to handle explosive traffic and compute demands. You’ll work closely with engineers across product, research, and operations to design scalable architectures, streamline deployments, and improve observability.
We’re hiring broadly across Infrastructure: Developer Productivity Engineer and Database Engineer and Platform Engineer. Candidates will be team-matched after the first screen, so we encourage you to apply even if your experience is stronger in one area than another.
What You’ll Work On
Designing and maintaining core infrastructure across cloud environments.
Building Infrastructure-as-Code workflows to automate deployments and scaling.
Improving monitoring, logging, and alerting systems to maintain reliability.
Managing CI/CD pipelines (Github, Spacelift) to ensure seamless deployments.
Supporting disaster recovery planning and ensuring high availability of systems.
Partnering with product and research teams to design architectures that scale with workload demands.
Identifying and fixing performance bottlenecks in compute, storage, and networking.
What We’re Looking For
Strong experience with cloud platforms (AWS).
Proficiency with Infrastructure-as-Code tools (Terraform).
Deep experience with containers and orchestration (Docker).
Solid understanding of distributed architectures.
Programming languages (Python, Go).
Proven ability to ship reliable infrastructure in production environments.
Growth mindset and eagerness to thrive in a hyper-growth, high-ownership environment.
Why Mercor
Impact: Your work powers how the world’s 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.
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