Backend Engineer

Your main responsibilities are:

• Develop and maintain robust backend services capable of handling high-volume global traffic.
• Implement functional APIs and optimize query performance to ensure a seamless user experience.
• Contribute to our modular architecture, helping us build resilient, service-oriented systems.
• Write clean, maintainable code by applying SOLID principles, OOP best practices, and design patterns.
• Master the art of debugging, identifying and resolving issues across our stack with precision.
• Integrate asynchronous processes using queues and basic event-driven patterns to improve system efficiency.
• Collaborate closely with Senior Engineers and Product teams to turn requirements into high-quality technical solutions.

Does this sound like you:

• 3-5 years of professional backend development experience with a solid command of PHP.
• Proven experience building applications in Laravel or a strong background in Symfony with a desire to transition.
• Strong understanding of OOP, interfaces, and code modularity; you know why "clean code" matters.
• Solid knowledge of SQL, including database indexing, migrations, and basic query optimization.
• AI Proficiency: Ability to effectively use AI tools during technical tasks; we value engineers who know how to prompt, validate, and iterate with AI to build better software faster.
• Familiarity with modern infrastructure, including Docker and basic CI/CD pipeline troubleshooting.
• Experience with testing, specifically writing unit and feature tests to ensure code reliability.
• Fluent English with the ability to communicate technical progress and seek support effectively within a remote team.

Bonus:

• Familiarity with caching mechanisms (Redis/Memcached) and Cloud services (AWS).
• Experience with SaaS or Traveltech solutions.
• Experience with eSIM or GSMA technologies.
• A curiosity for distributed systems and horizontal scaling.

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: https://airalo-public.notion.site/our-approach-to-engineering-on-call-policy