Full-Time

Senior Frontend Platform Engineer

Posted on 9/8/2025

Intercom

Intercom

1,001-5,000 employees

AI-first customer service platform

No salary listed

London, UK

Hybrid

Hybrid role; at least 3 days per week in the London office.

Category
DevOps & Infrastructure (1)
Requirements
  • 5+ years of experience using React to build or support complex UIs.
  • Deep knowledge of Web UI technologies (JavaScript, CSS, HTML) and Node.js.
  • A proven track record of enabling other engineers or product teams.
  • Ideally, experience building or supporting a SaaS product in a previous role and enjoying the impact of globally used software.
  • Significant, demonstrated impact on product and team performance in previous roles.
  • Proficient with standard software engineering methodologies, e.g., unit testing, code reviews, design documentation.
  • Able to effectively articulate technical challenges and solutions.
  • Ability to learn quickly, iterate, unblock oneself, and persist until the right problem is solved.
Responsibilities
  • Collaborate with other world-class domain experts to shape our technical direction and frontend infrastructure.
  • Actively contribute to our technical strategy and architecture as we continue to scale deeply owning aspects of our infrastructure at Intercom and autonomously executing on high impact projects.
  • Develop new tools and services that make it fast, safe, and easy for other Intercom engineers to leverage our web frameworks.
  • Participate in all phases of software development, including ideation, prototyping, design, and implementation.
  • Play an active role in hiring, mentoring, and career development of other engineers.
  • Raise the bar for technical standards, performance, reliability, and operational excellence.
Desired Qualifications
  • None

Intercom offers an AI-first customer service platform that helps businesses improve customer experiences and scale operations. It runs on a single AI system with two main parts: a Fin AI Agent, a human-quality AI assistant that works with any Helpdesk, and the Intercom Customer Service Platform to manage support at scale. This integrated approach differentiates it by combining automated AI agents with human-insight capabilities in one system trusted by thousands of support leaders. The goal is to help organizations deliver excellent service at scale by making customer interactions more efficient and effective through AI.

Company Size

1,001-5,000

Company Stage

Debt Financing

Total Funding

$590.8M

Headquarters

San Francisco, California

Founded

2011

Simplify Jobs

Simplify's Take

What believers are saying

  • Fin for Platforms expansion into Zendesk and competitor ecosystems diversifies revenue beyond native platform.
  • 350+ third-party integrations including Salesforce and Stripe increase switching costs and cross-sell opportunities.
  • Proactive support and outbound messaging tap growing demand for customer retention and churn prevention.

What critics are saying

  • Zendesk Answer Bot and Salesforce Service Cloud Einstein AI erode market share with native AI integration.
  • Fin standalone agent on Zendesk cannibalizes core platform revenue as customers adopt AI separately.
  • Venture debt at 12-15% interest rates trigger cash burn crisis amid slowing AI growth.

What makes Intercom unique

  • Fin AI agent resolves 50% of queries automatically with multilingual, multi-channel action capabilities.
  • Omnichannel consolidation across email, chat, phone, WhatsApp, and social apps in single inbox.
  • Real-time customer intelligence combining behavioral data, conversation history, and custom attributes.

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Benefits

We reward our people - All full-time Intercom employees are offered a rewards program that includes competitive base salary, bonus, equity, and benefits.

We love to learn - There are so many opportunities here to learn and build a career. We support employees' growth by offering a wide range of continuing education options, including core skills, management training, and guided learning.

We take employee wellbeing seriously - We offer comprehensive healthcare coverage, including medical, dental, and vision, as well as employee assistance programs and mental health resources. We also offer flexible time off, significant paid family leave, and more.

The world has changed. So has the way we work - The majority of our employees say they prefer a hybrid model of work—some in-office time, some WFH—so that's our current approach. No matter what, though, we're committed to listening to our team.

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
Irish Independent
Mar 9th, 2026
Intercom secures $250M in venture debt to expand AI agent Fin and hire 650 people

Intercom has secured $250 million in venture debt from Hercules Capital to fund its AI expansion. CEO Eoghan McCabe said the funds will develop the company's Fin AI agent and support hiring of 650 additional employees. The customer service company plans to invest the capital in further developing Fin, Intercom's artificial intelligence platform. The debt financing from the Silicon Valley-based specialist lender represents a significant investment in the firm's AI capabilities as it scales its operations.

LinkedIn
Mar 9th, 2026
We just raised $250M to build the Customer Agent

Fin is the leading Service Agent product by any interesting metric. Customer count (8k), average resolution rate (67%), revenue (approaching $100M).

Tech.eu
Feb 11th, 2022
Ireland’s Intercom raises $125 million at $1.2 billion valuation

Intercom, developers of customer communications tools, has raised $125 million in a Series D…

INACTIVE