We are currently looking for a Back-end Engineer/Tech Lead in the Experimentation Squad with a strong Data background, so that you’ll be able to apply the whole spector of your skills to maintain and develop the “brain” of Preply — A/B testing system.
Here in Preply we a/b test most of our changes on production, both product and technical before scaling it to all customers. Experimentation Squad owns the whole infrastructure that is used to make those business-vital decisions.
You, as a part of Experimentation Squad, will develop systems that are used by all product and platform squads in their daily work in the decision making process; tackle problems that occur in highly loaded systems, such as cross-experiment correlation, data consistency, event deduplication, etc.; design and monitor architecture in a way that will guarantee stability and reliability in the highly variative environment where 60+ developers deploy production 50+ times a day.
This position is in the intersection of Data, Development & Research. You’ll use Data skills to write ETLs, setting up alerts on data. Research skills will help to dive deeper in the data and experiments, to identify what is going wrong, how to fix it and how to prevent it from happening again in the future. Finally, you’ll use Dev skills to automate routine, iterate on our A/B system core and A/B visualization tool.
There’s a possibility to move to a Tech Lead role after successful probation period.
We work in small teams, thus you will be able to influence system design and contribute a lot in the company’s growth, also we promote self-direction to work on meaningful projects, while we also strive to create an environment that provides the support and mentorship needed to learn and grow.
Preply is a fast growing product company at an early stage of development, backed by Europe’s most prominent investors. 340+ people are currently working on building a global human-to-human online tutoring marketplace with locations in Kyiv and Barcelona.
We have more than 37 nationalities on board, that work in small cross-functional teams to continuously improve and scale user experience. We offer remote working days and the possibility to use our platform for self-development. We challenge each other to learn more and faster, while promoting creative power and free will. Personal growth, a friendly and hierarchy-free atmosphere are guaranteed!
Openness, effectiveness and global mindset are the main characteristics of our people. Our goal is to make Preply a leading platform in online tutoring that will help people from all over the world achieve their life goals faster!