We’re looking for a JavaScript Engineer to join our growing team and lead the development of user interfaces and services that power marketing analytics, identity resolution, and cross-platform personalization.
What You’ll Do * Build and maintain high-performance, scalable web applications using React.js, Node.js * Work closely with Data Scientists to bring graph-based identity resolution, campaign analytics, and data activation to life. * Develop UIs with advanced data visualization (e.g., using D3, Highcharts, and Recharts). * Collaborate on multi-tenant architecture, OAuth-based integrations, and automated onboarding experiences using Auth0, Firebase, and Google Cloud Functions. * Work with external teams to integrate features and deliver end-to-end value, including Stripe billing, Slack alerting, SendGrid messaging, and BigQuery pipelines. * Champion UI/UX best practices while maintaining clean, maintainable code using ESLint, Prettier, and Husky-driven workflows.
Must-Have Qualifications * 3+ years of experience with JavaScript and modern frameworks. * 2+ years of experience with React.js, including hooks and context API. * 2+ years of experience with Node.js, Express.js, and related tooling. * Solid experience working in a Serverless environment (especially with Google Cloud Platform: Firebase, Functions, App Engine, API Gateway) is a must * Deep understanding of REST APIs and third-party integrations (Things we use: Google Ads, Facebook Marketing API, Plaid, Stripe). * Experience with CI/CD workflows using GitHub/GitLab pipelines. * Familiarity with data visualization libraries (D3, Highcharts, Recharts). * English: intermediate level or higher.
Bonus Points * Experience with Neo4j and graph data modeling (e.g., identity graphs). * Knowledge of LaunchDarkly, Formik, Yup, and TailwindCSS. * Prior work with OpenTelemetry, Sentry, or other observability stacks. * Familiarity with Mongoose, MongoDB, BigQuery, and CDP tools. * Experience building dashboards for analytics or marketing tech platforms
