Senior Backend Engineer

Summary

Join Airalo, the world’s first eSIM store, as a Senior Backend Engineer and contribute to building innovative features and optimizing large-scale distributed systems. This remote-first position offers the opportunity to work on a core product, focusing on Laravel development (with Symfony experience also considered). You will design and maintain high-performance systems, develop RESTful APIs, and collaborate on a migration to a service-oriented architecture. The role requires extensive backend development experience with PHP and Laravel, expertise in distributed systems, and strong SQL/NoSQL knowledge. Airalo provides a comprehensive benefits package including health insurance, a work-from-anywhere stipend, and annual wellness and learning credits.

Requirements

• 5+ years of backend development experience in PHP
• 2+ years working with Laravel to build enterprise-level applications or equivalent experience with Symfony and a strong motivation to learn Laravel
• Expertise in distributed systems, scalable services, and RESTful APIs
• Familiarity with event-driven architecture and messaging systems (e.g., queues, pub/sub)
• Strong SQL/NoSQL knowledge and caching strategies
• Proficiency in OOP, SOLID principles, and design patterns
• Experience with AWS services (e.g., EC2, Lambda, SQS, Aurora, DynamoDB)
• Hands-on containerization skills with Docker
• Fluent English communication skills

Responsibilities

• Design and maintain large-scale, high-performance systems
• Develop and refine services to improve scalability and efficiency
• Create RESTful APIs that power our front-end and third-party integrations
• Collaborate on our migration to a service-oriented architecture (SOA)
• Write clean, maintainable, and testable code using industry best practices
• Troubleshoot, debug, and resolve technical challenges
• Actively contribute to all phases of the software development lifecycle

Preferred Qualifications

• Knowledge of PaaS/SaaS, SOA, and microservices architecture
• Prior experience in telecommunications or network infrastructure
• Familiarity with eSIM and GSMA technologies
• Experience in Traveltech

Benefits

• Health Insurance
• Work-from-anywhere stipend
• Annual wellness & learning credits
• Annual all-expenses-paid company retreat in a gorgeous destination
• Other benefits