Senior Full Stack Engineer

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-up
We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen
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.
#LI-Hybrid
Intercom 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.
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.
Are you authorised to work in the country in which this role is located?
(Intercom sponsors immigration for some roles so we encourage you to still apply if you require sponsorship.)
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