Position: Database Engineer
Company: Preply
Category: SQL
Experience required: 3y
English level: upper
Published: 2021-07-01T00:00:00+03:00

Backed by some of the world's leading investors, Preply is a global language learning marketplace, connecting tutors with millions of learners from all over the world. Since the company launched in 2012, students have signed up to more than five million lessons. At Preply we believe that data is one of our main strategic resources that backups all our product and business decisions. We need your help to build a product that delivers life-changing language education to the world!

Our main application database is  AWS RDS PostgreSQL. You will:

- Be responsible for DB uptime record, managing DB replicas, monitoring and upgrading databases with minimal downtime. 
- Fine-tuning PostgreSQL to adopt it to our load pattern.
Inspect data and cover it with alerts to guarantee data consistency.
- Find performance bottlenecks and optimize heavy SQL queries
- Work closely with product and marketing teams on DB schema design evolution to ensure it provides efficiency when working with data.
- As we work in small teams you will be able to influence system design, and contribute a lot to the company's growth. We promote self-direction to work on meaningful projects, while we also strive to create an environment that provides support and mentorship needed to learn and grow.

We release our product 50-60 times per day by leveraging modern technologies like Kubernetes (Skaffold + Helm), Docker, and great CI/CD processes. We have diverse technical challenges that will allow you to develop your skills across the stack. We  write about them on our Engineering Blog.

What we are looking for:
- Good understanding of SQL databases with a strong curiousness to dive into PostgreSQL.
- Passion about working with data & databases.
- Driven to understand the business use of the data objects, not just the implementation.
- A strong interest in system and infrastructure engineering and a passion for staying on top of emerging data storage technologies.
- Have a proactive and “get-things-done” attitude.
- Strong SQL skills.
- Expertise in problem-solving and analyzing high-loaded systems.
- Business-oriented & data-driven person.

Nice to haves:
- Experience with DataDog, k8s, Docker, Helm.
- Redshift, Postgresql, Redis, Kafka, RabbitMQ.
- Experience in Web Development.

What we offer:
- An opportunity for personal and professional growth, supported by high functioning teams, stellar investors and the exciting challenges that come with joining a company at the start of its growth trajectory
- An environment free of bureaucracy and corporate constraints; a culture where your opinion is highly valued and appreciated
- An open, collaborative, dynamic and international culture
- A monthly allowance for self-development on Preply.com
- A competitive financial package, with generous leave allowance and health insurance