Senior Platform Database Engineer | Paid relocation to Barcelona

Preply; Berlin; On-site; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Generous monthly allowance for lessons

Learning & Development budget

Competitive financial package

Job summary

A global education platform in Berlin is looking for a Senior Platform Database Engineer to manage mission-critical databases and enhance system performance. You will work in a collaborative team that values open communication and diversity. Ideal candidates have significant experience with PostgreSQL, distributed systems, and strong infrastructure skills. A competitive compensation package and a focus on personal growth are offered.

Qualifications

• Experience with operating PostgreSQL at high traffic in Master/Replica setups.
• Experience with distributed systems in the cloud.
• Experience with DB Capacity Planning & Scaling strategies.
• Performance optimisation and DB tuning.
• Infrastructure proficiency in managing database infrastructures.

Responsibilities

• Own the availability and performance of mission-critical databases.
• Improve system scalability, observability, and alerting.
• Build tooling to improve our platform.
• Practice sustainable incident response.
• Collaborate with product teams.

Skills

PostgreSQL operations

Distributed systems

DB Capacity Planning

Performance optimization

Cloud infrastructure management

DB monitoring

SRE principles

Strong communication skills

Tools

AWS

Django ORMs

NoSQL DBs

Python

Bash

Job description

Senior Platform Database Engineer | Paid relocation to Barcelona 🇪🇸

Join Preply as a Senior Platform Database Engineer. We’re all about creating life‑changing learning experiences.

At Preply, we help people discover the perfect tutor, craft a personalized learning journey, and stay motivated to grow. Our approach is human‑led, tech‑enabled, creating real impact. So far, 90,000 tutors have delivered over 20 million lessons to learners in more than 175 countries.

Meet the team

The SRE team unites infrastructure, engineering and business to ensure great synergy that helps Preply succeed. Our main focuses are:

• Top industry uptime record and latency.
• Develop core services & tooling powering our Platform.
• Run infrastructure in a cost‑effective way.

We work in small teams, allowing you to influence system design and contribute to the company's growth.

We have diverse technical challenges that will allow you to develop your skills across the stack. Take a look at our Engineering Blog, Tech Radar and YouTube channel for more.

What You'll Be Doing

• Own the availability and performance of mission‑critical databases and build automation to prevent problems recurrence.
• Improve the system’s scalability, observability, and alerting.
• Build tooling to improve our platform and accelerate the overall software development.
• Practice sustainable incident response and blameless postmortems.
• Collaborate with product teams to help them tackle technical issues and design new systems.
• Strengthen credibility with the quality of the team's technical execution.
• Follow the best FinOps practices.
• Participate in on‑call rotation across the team.

What You Need To Succeed

• Experience with operating PostgreSQL at high traffic in Master/Replica setups, even multi‑region.
• Experience with distributed systems in the cloud.
• Experience with DB Capacity Planning & Scaling strategies, Backups and Disaster Recovery.
• Performance optimisation and DB tuning.
• Infrastructure proficiency to be self‑sufficient in managing our database infrastructure in the cloud (preferably AWS).
• DB monitoring and troubleshooting.
• Familiarity with SRE principles.
• Willingness to participate on paid on‑call rotations.
• Strong communication skills. Minimum B2 English level.

Nice to Have

• Django ORMs or any other ORM.
• RDS Aurora.
• NoSQL DBs.
• Scripting: Python and Bash.

Why you'll love it at Preply

• Open, collaborative, dynamic and diverse culture.
• Generous monthly allowance for lessons on Preply.com.
• Learning & Development budget, including time off for your self‑development.
• Competitive financial package with equity, and leave allowance.
• Opportunity to shape the lives of learners and tutors from over 175 countries.
• Care to change the world – we are passionate about our work and care deeply about its impact.
• We do it for learners – for both Preply and tutors, learners are why we do what we do.
• Keep perfecting – we focus on simplicity, smoothness, and enjoyment.
• Now is the time – in a fast‑paced world, it matters how quickly we act.
• Disciplined execution – we set clear goals and utilize resources efficiently.
• Dive deep – we investigate disparities between numbers and stories to guide decisions.
• Growth mindset – we proactively seek growth opportunities and learn from setbacks.
• Raise the bar – we continuously raise performance standards.
• Challenge, disagree and commit – we value open communication.
• One Preply – we prioritize collaboration, inclusion, and team success.

Diversity, Equity, and Inclusion

Preply.com is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.

Additional Details

• Seniority level: Mid‑Senior level.
• Employment type: Full‑time.
• Job function: Information Technology.
• Industries: Technology, Information and Internet.