Senior Full Stack Engineer - Team Web

Intercom Intercom · Enterprise · Dublin, Ireland +1 · Engineering

Senior Full Stack Engineer for Team Web at Intercom, an AI Customer Service company. The role involves designing, building, and maintaining end-to-end web solutions for the company website (Intercom.com and Fin.ai), which is a key driver of leads and brand presence. Responsibilities include front-end UI development, backend services, APIs, infrastructure management (Vercel, AWS, Terraform), performance optimization, and collaboration with various teams. The role requires expertise in full stack development, front-end frameworks like React/Next.js, CMS platforms, CI/CD, and infrastructure as code.

What you'd actually do

  1. Design, build, and maintain end-to-end web solutions — from modern UIs to backend services, APIs, and infrastructure.
  2. Collaborate with design, brand, marketing, and content teams to deliver seamless, performant experiences across web and mobile.
  3. Develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms.
  4. Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management.
  5. Set up and manage infrastructure using tools like Vercel, AWS, Cloudfront, Terraform, and CI/CD pipelines (e.g., CircleCI).

Skills

Required

  • 8+ years of experience in full stack development
  • JavaScript
  • HTML
  • CSS
  • React
  • Next.js
  • Tailwind
  • Contentful
  • Sanity
  • Google Tag Manager
  • Marketo
  • CircleCI
  • Terraform
  • AWS
  • Vercel
  • CloudFront
  • S3
  • A/B testing
  • performance optimization
  • Jest
  • Mocha
  • Cypress
  • strong problem-solving skills
  • Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)

What the JD emphasized

  • end-to-end web solutions
  • web analytics
  • infrastructure as code
  • performance optimization