Job Description

Are you a seasoned engineer who thrives on solving complex architectural puzzles in PHP? Join our team as a Senior Backend Engineer where you will lead the evolution of our global platform with more then 20 million users. We value deep technical mastery, a mentor mindset, and the ability to balance rapid innovation with system stability. While we use Laravel, we highly value the architectural rigor of seasoned Symfony experts ready to pick up Laravel and apply their skills to our ecosystem.

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

Apply Now

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