Senior Platform SRE: Scale Reliability with AI

Preply; Barcelona; On-site; EUR 110,000 - 170,000; Full time

Benefits offered by this job

Health insurance

Relocation package

Learning budget

Time off for self-development

Equity

Job summary

Preply is seeking a Senior Platform Platform Software Engineer to join the SRE team in our Barcelona hub. You will own availability, performance, and automation for mission-critical services, while advancing scalability, observability, and tooling across the platform.

You’ll collaborate with product teams, lead on-call rotations, and promote disciplined execution and FinOps best practices. This role demands deep distributed-systems experience and strong English communication.

Qualifications

• 8+ years designing and maintaining high-traffic distributed systems.
• Proficient Python software engineering.
• Experience with at least one major public cloud (AWS preferred).
• Strong observability and alerting experience.
• Willingness to participate in paid on-call rotations.
• English at C1 level and strong communication skills.

Responsibilities

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

Skills

Distributed systems engineering

Python

AI Expertise

Observability

Tools

AWS

Job description

Preply is seeking a Senior Platform Platform Software Engineer to join the SRE team in our Barcelona hub. You will own availability, performance, and automation for mission-critical services, while advancing scalability, observability, and tooling across the platform.

You’ll collaborate with product teams, lead on-call rotations, and promote disciplined execution and FinOps best practices. This role demands deep distributed-systems experience and strong English communication.