About Clay

Our mission is to help organizations turn any growth idea into reality.

We see growth as a creative practice not a formula. Finding and reaching your best-fit customers takes unique ideas and constant iteration. As AI makes execution faster and tactics easier to copy creativity is the only lasting advantage. Were already helping thousands of customers including Anthropic Waste Management Figma and Ramp go to market with unique data signals and AI research.

In 2025 we crossed $100M in revenue and raised a $100M Series C at a $3.1B valuation backed by world-class investors including Sequoia CapitalG and First Round. We also completed our first first employee tender offer and launched a community equity round for our customers agency partners and club members.

Some things to know about us:

• Our community includes 11000 customers 150 integration partners 125 agencies 50 Clay clubs and 30k members on Slack.

• Our culture is unique inside and outside of work. Our team members are also DJs activists writers clowns marathoners skydivers psychedelic therapists social workers and more.

• All employees can work for free with world-class coaches who specialize in creativity management and more.

• Our operating principles including negative maintenance and non-attached action guide our work. Read more about them here.

• Read about us in the NYT Forbes First Round Review and more.

Hear from our employees directly on our Glassdoor page!

Software Engineering Backend @ Clay

Given our rapid growth over the past couple of years we often have to solve pressing scaling problems to accommodate the increased load. As a Software Engineer on the Performance team youll be responsible for identifying these problems and then developing systems that optimize the throughput and reliability of our core systems. Strong candidates here will have a track record of solving large-scale systems problems and laying the foundation for performance observability.

What Youll Do

• Perform comprehensive analyses of our systems to identify and address performance bottlenecks.

• Create and monitor meaningful performance metrics for various components of our services

• Advise other teams within engineering on scalable and performant feature design and implementation

• Address critical scalability challenges such as sharding Postgres and Redis splitting ECS tasks into multiple services to scale independently and addressing Node event loop blockages.

What Youll Bring

• A results-oriented mindset and a bias toward impact

• Experience in API latency optimization

• Experience with SQL and related technologies preferably Postgres

• Experience in a role with a focus on performance aspects

• Experience in query optimization and schema design for relational databases and distributed search engines

• Expertise in any of the following: Redis Postgres ElasticSearch or Opensearch

Nice To Haves

• Diversity of perspectives and interests. We hope to build a team that is curious and open-minded.

• Experience working with systems & data at scale. May be building large-scale high-performance data pipelines event ingestion systems or generally working with larger production systems

• Advanced proficiency in optimizing serverless workloads on AWS

• Experience with our current tech stack:

  • React Typescript Python

  • AWS services: Aurora (Postgres) Elasticache (Redis) Elastic Container Registry (ECR) ECS (Fargate) Lambda OpenSearch

  • IaC: Terraform

  • Deployment tools: CircleCI Netlify Playwright

  • Observability tools: Cloudwatch Datadog Mezmo

Required Experience:

IC