On Call

Participating in our on-call rotation is a core expectation of this role. It's essential for maintaining 24/7 service reliability across our global operations, ensuring our systems remain resilient and our customers experience uninterrupted service, regardless of time zone or geography.
- Paid Rotation: We offer standby fees + overtime pay.
- Delayed Start: No on-call duties for your first 6 months.
- Rest & Recovery: Guaranteed rest periods and flexible hours following night incidents.
- Shared Load: Rotations are split (Weekdays vs. Weekends) to minimize fatigue.
Please refer to the On-Call Policy in the Airalo Handbook for full details: airalo-public.notion.site/our-approach-to-engineering-on-call-policy

Your main responsibilities will be to:

• Lead the design of high-performance distributed systems capable of handling global traffic
• Develop and refine services to improve scalability and efficiency
• Drive the transition toward a service-oriented architecture (SOA) to ensure modularity and resilience
• Set the bar for code quality by enforcing SOLID principles, design patterns, and testing standards
• Actively coach mid-level engineers through deep code reviews and technical knowledge sharing
• Identify bottlenecks in services and implement advanced caching and database strategies
• Partner with Product and DevOps to translate complex requirements into scalable technical roadmaps

Does this sound like you:

• 7+ years of professional backend development experience with a deep mastery of PHP
• 4+ years of building enterprise-grade applications in Laravel or an equivalent senior background in Symfony
• Mastery of distributed systems, event-driven architecture, and messaging patterns like SQS or Pub/Sub
• Knowledge of SQL and NoSQL including performance tuning and handling transactions at scale
• Experience architecting on AWS and managing containerized environments with Docker
• A champion of clean code, automated testing, and CI/CD best practices
• Fluent English with the ability to explain complex technical trade-offs to stakeholders

Bonus:

• Experience with SaaS/PaaS, SOA, or microservices architecture.
• Experience with eSIM, or GSMA technologies.
• Familiarity with Traveltech solutions.
• Experience in building or maintaining custom SDKs would be a plus