Intercom is the AI Customer Service company on a mission to help businesses provide incredible customer experiences.Our AI agent Fin, the most advanced customer service AI agent on the market, lets businesses deliver always-on, impeccable customer service and ultimately transform their customer experiences for the better. Fin can also be combined with our Helpdesk to become a complete solution called the Intercom Customer Service Suite, which provides AI enhanced support for the more complex or high touch queries that require a human agent.Founded in 2011 and trusted by nearly 30,000 global businesses, Intercom is setting the new standard for customer service. Driven by our core values, we push boundaries, build with speed and intensity, and consistently deliver incredible value to our customers.What\''s the opportunity?

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.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.What skills do I need?

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).We are a well treated bunch, with awesome benefits! If there’s something important to you that’s not on this list, talk to us!Competitive salary and equity in a fast-growing start-upWe serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchenPension scheme and match up to 4%Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependentsFlexible paid time off policyPaid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved onesIf you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage tooMacBooks are our standard, but we also offer Windows for certain roles when needed.#LI-HybridIntercom has a hybrid working policy. We believe that working in person helps us stay connected, collaborate easier and create a great culture while still providing flexibility to work from home. We expect employees to be in the office at least three days per week.We have a radically open and accepting culture at Intercom. We avoid spending time on divisive subjects to foster a safe and cohesive work environment for everyone. As an organization, our policy is to not advocate on behalf of the company or our employees on any social or political topics out of our internal or external communications. Our goal is to focus on doing incredible work to achieve our goals and unite the company through our core values.Intercom values diversity and is committed to a policy of Equal Employment Opportunity. Intercom will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin, ancestry, sex, gender, age, physical or mental disability, veteran or military status, genetic information, sexual orientation, gender identity, gender expression, marital status, or any other legally recognized protected basis under federal, state, or local law.Interested in building your career at Intercom? Get future opportunities sent straight to your email.Notes: This description retains the essential job information while removing non-essential application-form content and boilerplate. It uses only allowed HTML tags and maintains a clear, job-focused structure with responsibilities and qualifications.

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