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Senior Platform Software Engineer

Preply • Spain
Relocation
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Own and improve mission-critical platform services at Preply, combining software engineering with cloud infrastructure, distributed systems, and observability. Build tooling, improve scalability and alerting, collaborate with product teams, and participate in on-call rotations. Requires ~8 years of experience with high-traffic distributed systems, Python, cloud infrastructure (preferably AWS), observability, and AI expertise.

Key Highlights
Own availability and performance of mission-critical services
Improve scalability, observability, and alerting
Build platform tooling and accelerate software development
Practice sustainable incident response and blameless postmortems
Collaborate with product teams on technical issues and new systems
Key Responsibilities
Own the availability and performance of mission-critical services 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
Technical Skills Required
Python AWS Distributed Systems
Benefits & Perks
Generous monthly allowance for lessons on Preply.com
Learning & Development budget
Time off for self-development
Competitive financial package with equity, leave allowance, and health insurance
Attractive relocation package to Barcelona Hub
Free mental health support platforms
Gympass-partnered wellness and gym centers throughout Spain

Job Description

We power people’s progress.

At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.

We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global scale.

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