Software Engineer, Frontend Infrastructure

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. We're 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 11,000+ 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 Engineer, Frontend Infrastructure @ Clay

Clay is scaling fast - building out enterprise-grade product capabilities while preserving the speed, quality, and delight that define our product. We’re looking for an experienced frontend engineer who obsesses over quality, system design, and developer experience, and who’s excited to raise the frontend bar across the company.

This role has a broad, visible impact. You’ll shape frontend architecture, improve reliability at scale, accelerate development through best-in-class tooling and AI workflows, and mentor engineers to level up frontend excellence across Clay.

What You’ll Do:

• Set the standard for frontend excellence at Clay. You’ll be the go-to expert who raises the bar for quality, performance, and craft. You love mentoring engineers, shaping best practices, and building guardrails that make great frontend work the default.

• Build a frontend platform that scales with Clay. You’ll modernize the stack, evolve the design system, and tackle foundational reliability and enterprise-readiness challenges so teams can confidently build complex, high-impact products that delight our users.

• Accelerate how teams ship. You’ll create a best-in-class frontend toolbox, streamline state management and data flows, and dramatically improve developer experience - unlocking faster iteration without sacrificing quality.

• Lead the future of AI-assisted development. You’ll define how AI fits into our engineering workflows, enabling engineers, designers, and PMs to safely contribute to the codebase while scaling quality, velocity, and leverage across the company.

What You’ll Bring

• 8+ years of experience building and scaling complex frontend applications.

• Strong understanding of frontend architecture, performance, and reliability.

• Passion for developer experience, tooling, and quality systems.

• Proven ability to mentor engineers and influence best practices across teams

• Comfort working cross-functionally with design, product, and other engineering teams.

• Pragmatic mindset: you balance long-term architectural thinking with shipping real value.

• You’re familiar with our current tech stack or can learn unfamiliar technologies quickly. Our current tech stack is:

• React, Typescript, Python, Node.js

• 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