Senior II Platform Software Engineer

📋 Job Overview

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. Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day. The Platform Tribe builds and operates the platform that Preply engineers develop and deploy on, and that millions of learners and tutors rely on every day. Our platform handles over 20bln requests per month, and we combine software engineering, distributed systems and cloud infrastructure to keep it reliable at scale while making it faster and easier for engineering teams to build on top of it.

🏢 About Preply

Preply is a fast-growing EdTech company that connects learners with tutors for personalized learning experiences. We are transforming education through human-led, AI-enhanced learning and have reached unicorn status with a $150M Series D. Our platform handles over 20 billion requests per month and serves learners and tutors in 180 countries.

🎯 The Role

The Senior Platform Software Engineer role in our SRE team combines software engineering practices with cloud infrastructure, distributed systems patterns, storage systems and observability to deliver on a wide range of projects - ranging from tooling to core Platform services which serve production traffic.

✅ 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.

📌 Required Qualifications

• Extensive experience (~8 years) in designing, building, maintaining and troubleshooting high traffic distributed systems.
• AI Expertise: You're a forefront user of Agentic AI. You're able to bring hands-on experience and start influencing the team beyond code generation; reserving judgment for architecture, business logic, and security, using AI as a thought partner and being able to set up quality gates and safety nets to enhance existing engineering workflows and propose AI-native alternatives.
• Proficient software engineering skills (Python preferred).
• Experience with at least one major public cloud, its services and infrastructure (preferably AWS).
• Experience in implementing observability and alerting.
• Willingness to participate on paid on-call rotations.
• Business-orientation and data-driven approach.
• Strong communication skills. Minimum C1 English level.

🎁 Benefits

• An open, collaborative, dynamic, and diverse culture;
• A generous monthly allowance for lessons on Preply.com, Learning & Development budget, and time off for your self-development;
• A competitive financial package with equity, leave allowance, and health insurance;
• Not in Barcelona? We offer an attractive relocation package to join us in our Preply Barcelona Hub;
• Access to free mental health support platforms;
• Access to Gympass-partnered wellness and gym centers throughout Spain to promote and support well-being and physical health;
• The opportunity to shape the lives of learners and tutors through language learning and teaching in 175 countries (and counting!)

🛂 Visa & Eligibility

Not specified