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ContentSquare // optimizing web & mobile sites
Engineering, Full Time    Paris Area, France    Posted: Monday, May 23, 2022
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Contentsquare is a digital experience analytics company dedicated to making the digital world more human through online experiences that respect the user's time, privacy, & ability. Since our founding in France in 2012, we have grown to be a truly global team, representing more than 70 nationalities in offices across the world, including New York, London, Paris, Munich, San Francisco, Barcelona, Amsterdam, Tel Aviv, Tokyo, Singapore, & more.

Since the beginning, we've developed a reputation for helping leading companies better understand & build trust with their customers. In that time, we've been recognized by Frost & Sullivan as a Global Company of the Year, & by Wired Magazine as one of Europe's hottest startups. In May of 2021, we raised $500M in Series E funding, but we're not stopping there.

To reach our ambitious goals for the future, we will be nearly doubling the size of our global workforce in the next 2 years. Want to learn, innovate & contribute your unique perspective to an industry leader? Join the team dedicated to bringing more human analytics to the world! #WeAreCSquad

Our mission
At Contentsquare, all employees share one goal: to help brands create exceptional online experiences with our industry-leading digital experience analytics platform.
In the mobile data collection team, we are on a mission to build the industry leading digital experience analytics SDK.
With a stellar growth, billions of users, a complex business environment & the need for us to have a very high level of quality, performance & privacy, you'll find an engaging, rewarding & supportive work environment at Contentsquare.
We are looking for Senior Software Engineers who understand that development is a team effort, who are proud of a job well done & know how to implement simple & efficient solutions to solve challenging & unique problems.
Our stack
On the data collection side, our SDK works on native iOS applications (implemented in Swift) & native Android applications (SDK is in Java - converted to Kotlin over time -, Unit Tests & Sample App in Kotlin). We also support various multi-platform frameworks (React Native, Flutter, Capacitor/Ionic, Cordova) with specific bridges.
The Tag (implemented in Typescript) that collects data on websites (both desktop & web mobile) is implemented & maintained by the Web Team.
Our APIs are mostly designed with our specific constraints in mind. For example, the most data intensive ones use Protocol Buffers.
Our backend uses a combination of technologies such as Kafka, Spark, Flink, Akka, ClickHouse & languages such as Scala, Golang, Python, C++.
Our monitoring & deployment are handled through Kibana, Grafana, Terraform, Datadog & finally, everything is hosted on AWS & Azure.
Our frontend is a micro-frontend SPA developed mainly in Angular/Vue.js & Node.js.
Our challenges
Our first challenge is to navigate through uncharted territories, native APIs & poorly documented features to make sure we collect all the relevant data we need to compute our insights.
In addition we obviously must ensure a very high level of performance (as well as the least impact on user experience), stability & be very mindful about data & CPU consumption.
Our rapid growth requires a strong focus on software architecture, code sharing & automation to sustain our delivery capacity while increasing our teams' size.
Finally, we are not a tracking company, so collecting PII (Personal Identifiable Information) is an absolute no-go for us & we take it very seriously!
Skills & Mindset
If you have already worked on any kind of software SDK your experience will be of great interest to us.
In the same way, if you have notable experience in high performance code, automated non-regression & performance testing, software bridges (between technologies, native & non-native), or if you enjoy testing new technologies or frameworks such as Flutter/Dart, Swift UI, Compose, React Native/Typescript, we would love to hear from you.
As a team we are really involved in producing a high quality SDK. We expect our Senior Software Engineers to know how to unit test their code, to write easy to read & maintain code & documentation as well as being comfortable doing pair programming with their team members & providing meaningful comments during code reviews.
As a Senior Software Engineer, you will also be expected to tackle more transversal topics (across the whole R&D) ensuring a strong technical guidance & clear status communication. We also like our teams to be diverse, so mentoring more junior developers will definitely be an option as well.
Finally, to be successful, you will have to showcase a good amount of curiosity & creativity to solve the complex challenges we are facing (bonus point if finding 0 results on StackOverflow or Google doesn't stop you) as well as being ready to challenge the product, features & projects in a pragmatic & mindful manner.
What we offer
An healthy working environment with supportive team members, a place to grow both technically & as an individual
Autonomy, responsibilities & opportunities
An Engineering Career Path (with clear defined progression steps & opportunities to mentor & be mentored) to make sure you always learn something new
Plenty of opportunities for training & development
Attractive salary & stock options
Flexible working conditions (full remote, 100% in office or any hybrid setup of your choice)
A dynamic & multi-cultural company with +50 nationalities
Good health insurance
Many benefits such as reductions on gym membership & leisure activities
While we are offering fully remote opportunities, employees need to be fiscally based in one of our main countries to be hired by one of our office. Please ask your recruiter for more information.
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