AI Senior Fullstack Engineer

London AreaFull-timesenior
EngineeringData ScienceOtherFullstack Developer
0 views0 saves0 applied

Quick Summary

Overview

Contentsquare is the all-in-one experience intelligence platform designed to be easily used by anyone who cares about digital journeys. With our flexible and scalable platform,

Technical Tools
EngineeringData ScienceOtherFullstack Developer
Contentsquare is the all-in-one experience intelligence platform designed to be easily used by anyone who cares about digital journeys. With our flexible and scalable platform, organizations quickly get a deep understanding of their customers’ whole online journey.

We are a global leader in the experience analytics space, with a growing presence across 15 offices worldwide. We’re here to stay—and we’re looking for team members who are excited to drive impact and help us scale even further.

Our aim is to create an inclusive workplace where everyone learns and succeeds. Contentsquare has built a community of individuals who are daring, understanding, and deliberate. We invite you to join us in making the complex simpler—for our customers, their customers, and each other.

Important note: Be careful of scammers pretending to be from Contentsquare. We will never ask for money or contact you through random texts. Any communication from our in house Talent Acquisition team will only ever come from our contentsquare.com or @contentsquare-ext.com domain. For more information, visit our careers blog.

Please read:
1. This is a software engineering role. We are looking for applicants with minimum 5 years of software engineering experience, with a particular background in TypeScript. While we are building software on top of LLMs, this is not a machine learning role.
2. This role is remote (France, Spain, Italy, Poland, Germany) but can also be office-based (hybrid) in Barcelona, Paris, Milan, Munich or Cairo.
 
We're looking for a Senior Fullstack Engineer (Applied AI) to join one of several exciting product initiatives currently in progress that leverage the latest in AI, particularly using Large Language Models (LLMs). One example project is extending our AI CoPilot product (currently only available in Heap) to more surfaces, allowing users without expertise in product or digital experience analytics to answer their questions simply by asking them.
 
We are moving rapidly  to leverage LLMs to reduce time to insight, make setup easier, and much more.
As our next Senior Software Engineer (Applied AI), you will be focused on product development, with a side of early product iteration. For example, we expect engineers to participate in user interviews as we validate product hypotheses.
 
This is an exciting opportunity to work in a “startup within the startup.” We move quickly from idea to proof of concept to interview to product, ensuring that what we build provides actual value to our customers.
As LLMs and the related technologies are growing and changing rapidly, we are enthusiastic about new ideas and libraries but discerning – what we build is foundational.
 
We're a distributed team that operates across the US and Europe. We're open to hiring the right person anywhere within the US East Coast time zone or Europe.
  • Desire to work in a fast-paced development environment where the customer is in the loop. We prefer to fail fast and start over than to learn too late that we’ve built the wrong thing.
  • Strong motivation to build an AI feature.
  • Extensive fullstack web application development experience (5+ years), preferably in a data-related industry.
  • Experience with Typescript, with a variety of front-end frameworks (React, Vue, Node...).
  • Strong opinions, weakly held about how to evaluate the performance of an LLM-based application.
  • Experience bringing an application built on top of LLMs from inception to market.
  • Ability to iterate/prototype rapidly to answer data-related using LLMs (and other ML when appropriate).
  • Awareness of what LLMs are good at, what they’re not good at, and how to navigate this.
  • Familiarity with various LLM providers and their relative tradeoffs.
  • Listing Details

    Posted
    January 20, 2026
    First seen
    March 26, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    28
    Repost count
    0
    Trust Level
    32%
    Scored at
    April 24, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Contentsquare

    Contentsquare is a leading digital experience intelligence platform leveraging AI to provide insights on customer behavior, enhancing user engagement and conversion rates.

    Employees
    3k+
    Founded
    2012
    View company profile
    Newsletter

    Stay ahead of the market

    Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.

    A
    B
    C
    D
    Join 12,000+ marketers

    No spam. Unsubscribe at any time.

    ContentsquareAI Senior Fullstack Engineer