Senior Frontend Software Engineer, Onsite Customer

Senior Frontend Engineer, Onsite Customer Growth

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Attentive® is the AI marketing platform for 1:1 personalization that redefines the way brands and people connect. We combine powerful technology with human expertise to build authentic customer relationships. By unifying SMS, RCS, email, and push notifications, our AI‑powered personalization engine delivers bespoke experiences that drive performance, revenue, and loyalty through real‑time behavioral insights.

Recognized as the #1 provider in SMS Marketing by G2, we partner with more than 8,000 customers across 70+ industries. Leading global brands such as Crate & Barrel, Urban Outfitters, and Carter’s work with us to enable billions of interactions that power tens of billions in revenue for our customers.

With distributed teams and hubs in New York City, San Francisco, London, and Sydney, Attentive’s culture and performance are consistently recognized by Deloitte Fast 500, Linked In Top Startups, Forbes Cloud 100, and Inc. Best Workplaces.

The Onsite Customer Growth team develops features that help our customers drive growth directly on their websites. We deliver faster list growth through continuous investment in creative capabilities and the use of AI to optimize performance.

As a Senior Frontend Software Engineer, you’ll play a key role in shaping the user‑facing experience of our onsite growth products. You’ll design and build performant, scalable, and accessible web interfaces that empower marketers to create high‑converting experiences. You’ll collaborate closely with product, design, and backend teams to bring intuitive, high‑impact solutions to life.

This hybrid role is based in our New York office, with in‑office collaboration Tuesday through Thursday each week.

• Lead the design and development of user interfaces for Attentive’s onsite growth experiences
• Build reusable, scalable frontend components and systems using modern frameworks and tooling
• Partner with designers and backend engineers to deliver seamless, performant, and visually compelling user experiences
• Drive architectural discussions and make technical decisions that ensure code quality, maintainability, and performance
• Mentor and support engineers through code reviews, technical guidance, and collaboration
• Identify opportunities for UI performance optimization and improved developer efficiency
• Contribute to frontend best practices and shared component libraries across the organization

• 5+ years of professional experience in frontend development, ideally building large‑scale, production web applications
• Expert in React, Type Script, JavaScript, and modern frontend build tools
• Strong understanding of frontend architecture, performance optimization, and accessibility
• Experience integrating with backend APIs and working in micro‑frontend or service‑oriented environments
• Experience with testing frameworks (Jest, React Testing Library, Cypress) and CI/CD workflows
• A track record of technical leadership – driving decisions, mentoring peers, and improving frontend standards
• Curiosity, ownership, and a passion for delivering high‑quality, user‑focused software

• Infrastructure runs primarily in Kubernetes hosted on AWS EKS
• Infrastructure tooling includes Istio, Datadog, Terraform, Cloudflare, and Helm
• Our backend is Java/Spring Boot microservices, built with Gradle, and uses Dynamo
  
  DB, Airflow, Postgres, and Redis on AWS
• Our frontend is built with React and Type Script, following best practices like Graph
  
  QL, Storybook, Radix UI, Vite, esbuild, and Playwright
• Automation is driven by custom and open‑source machine learning models, data science, and tools such as Python, Metaflow, Hugging Face, PyTorch, Tensor Flow, and Pandas

You’ll receive competitive perks and benefits – from health & wellness to equity – to help you bring your best self to work.

Base salary range: $178,000–$250,000 annually + equity + benefits, determined by role, level, and location.

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