Senior Full Stack Engineer Job at Intercom (Dublin)

Job Description

Our company website is the centerpiece of our brand — the public source of truth about Intercom’s products and the number one driver of leads for our demand generation team. Intercom.com and Fin.ai sit at the intersection of awareness, product marketing, demand, and support, requiring robust, performant, and reliable infrastructure as much as polished user-facing interfaces. We’re looking for a Senior Full Stack Engineer to join Team Web, who is passionate about crafting intuitive front-end experiences and building the backend systems and tools that power them. You’ll play a key role in shaping the future of our website across the full stack, from UI to infrastructure, while collaborating with product marketers, designers, and engineers across the business.

Job Responsibility

Design, build, and maintain end-to-end web solutions — from modern UIs to backend services, APIs, and infrastructure
Collaborate with design, brand, marketing, and content teams to deliver seamless, performant experiences across web and mobile
Develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms
Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management
Set up and manage infrastructure using tools like Vercel, AWS, Cloudfront, Terraform, and CI/CD pipelines (e.g., CircleCI)
Implement and maintain web analytics, and support A/B testing for data-driven decisions
Stay current with emerging technologies and trends to continually improve our development processes and user experience
Be comfortable writing backend software. We look for engineers to be able to unblock themselves end to end
Build using the best tools in the industry. We invest heavily in AI-powered developer tools that remove friction and help you focus on solving meaningful problems

Requirements

8+ years of experience in full stack development, with expertise in JavaScript, HTML, and CSS
Expert in front-end frameworks such as React, Next.js, Tailwind
Experience in CMS platforms (such as Contentful and Sanity) and marketing tools (e.g. Google Tag Manager, Marketo)
Experience in CI/CD tools (such as CircleCI) to streamline and automate development workflows
Familiarity with infrastructure as code tools such as Terraform, and cloud platforms like AWS (Vercel, CloudFront, S3, etc.)
Experience with A/B testing and familiarity with analytics tools to drive data-informed design and development decisions
Knowledge of performance optimization techniques and best practices for fast-loading, responsive websites
Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g., Jest, Mocha, Cypress)
Strong problem-solving skills and the ability to work independently and as part of a team
Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)

What we offer

Competitive salary and equity in a fast-growing start-up
We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen
Regular compensation reviews - we reward great work!
Pension scheme & match up to 4%
Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependents
Flexible paid time off policy
Paid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved ones
If you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage too
MacBooks are our standard, but we also offer Windows for certain roles when needed

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Senior Full Stack Engineer

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