Site Reliability Engineer in Barcelona


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Job Description

Preply is a global language learning marketplace, connecting 50,000+ tutors with millions of learners from all over the world. Since the company launched in 2012, students have signed up to more than 15 million lessons.

We are currently looking for a Site Reliability Engineering (SRE) to join our Platform tribe.

SRE role at Preply combines software development, operations and business skills to run a large-scale, fault-tolerant, global language education platform. SRE ensures that Preply systems — have high reliability, uptime appropriate to business's needs and a fast rate of improvement. Additionally SRE’s will keep an ever-watchful eye on the capacity and performance of our system. This person is expected to work on core parts of our platform and he

Meet the team!

The SRE team uniting infrastructure, engineering and business to ensure great synergy that helps Preply to grow. We try to back all our decisions with data and measure how it helps business to grow.

Our main focuses are:

  • Top in the industry uptime record and latency.
  • Blazingly fast Lead Time for our product engineers.
  • Running infrastructure in the cost effective way.

We work in small teams, thus you will be able to influence system design and contribute a lot in the company's growth. We’re really serious about it: you’ll be able to actually measure how your work impacts business and present it to the whole company. 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.

We release our product 70-80 times per day by leveraging modern technologies like Kubernetes (Skaffold+Helm), Docker and top-notch CI/CD processes. We have diverse technical challenges (sometimes we write about them on our Engineering Blog) that will allow you to develop your skills across the stack. As well, feel free to visit our Tech Radar to learn more about the technologies we use at Preply.

What you need to succeed:

  • Expertise in problem solving and analyzing high loaded systems.
  • Proficiency with production troubleshooting is a must.
  • Business-oriented & data-driven person
  • Strong experience with k8s, Docker, Helm.
  • Experience with AWS or any other cloud provider
  • Understanding of Networking: network topologies and common network protocols and services.
  • Good knowledge of any of those languages: Python, JS, Ruby, Php, Java, Scala, Erlang at least 3+ years production experience.
  • Hands-on experience with any modern framework Django, Flask, Ruby on Rails, Spring, etc.
  • Willingness to participate in paid on-call rotations.
  • Minimum B2 English level.

What you’ll be doing:

  • Own availability and performance of mission critical services and build automation to prevent problem recurrence.
  • Improve Lead Time of Engineers at Preply.
  • Follow best FinOps practices.
  • Improve system scalability.
  • Improve system observability and alerting.
  • Manage on-call rotations across company.
  • Establish credibility with the quality of the team's technical execution.
  • Practice sustainable incident response and blameless postmortems.
  • Collaborate with product teams to help them tackle technical issues and design new systems.

Why you’ll love it at Preply:

  • An open, collaborative, dynamic and diverse culture;
  • A generous monthly allowance for lessons on, Learning & Development budget and time off for your self-development;
  • A competitive financial package with equity, leave allowance and health insurance;
  • Access to free mental health support platforms;
  • A flexible set-up with the option of paid relocation to Barcelona or working remotely within a close time-zone;
  • The opportunity to shape the lives of learners and tutors through language learning and teaching in 175 countries (and counting!).

About Preply:

At Preply, we focus on doing better every day – pushing the limits of what we know is possible. And we know our purpose is strong. We’re re-engineering education, providing outstanding experiences for our global community of language learners and building authentic connections across the world.

Propelled by a tenfold increase in revenues over the last three years, thanks to our best-in-class consumer and b2b products, Preply is now leading the online language tutoring segment globally and has 400+ employees of over 50 nationalities based across Barcelona, Kyiv and the US. We do extraordinary things at Preply – and we want you to join us. If you’re committed to curiosity, love experimentation and relish the challenge of exploring new ideas, then it’s time we said:

Welcome to The World Class.

Our values:

  • Human: We embrace diversity by fostering inclusive environments where people feel respected and safe to express their opinions.
  • Hungry: We make bold, data-informed decisions to deliver high-impact solutions for our customers.
  • Humble: We experiment continuously by staying open to being challenged, learning from failures and making data-informed decisions.
  • Hackers: We learn by doing, focus on things that matter and move with incredible speed to create simple, creative, and scalable solutions;
  • Curious: We thrive on facing challenges, diving deep to identify root causes and uncovering insights to continuously improve.
  • Learners Obsessed: We put our learners at the core of everything we do to improve the effectiveness of their language learning with us.

Diversity, Equity, and Inclusion

Preply is committed to creating a diverse and inclusive environment where people from all backgrounds can thrive. Different opinions and viewpoints are key ingredients in our success as a multicultural Ed-Tech company.

That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status. Together, we are The World Class.


About Preply

  • Edtech

  • Brighton, MA

  • 50-200

  • 2012


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