Senior PHP Engineer

Airalo Pte. Ltd.

Job Overview

Location

United Kingdom

Job Type

Full-time

Full Job Description

📋 Description

• Design, develop, and maintain scalable backend services using PHP and Laravel to support Airalo’s global eSIM platform serving over 20 million users.
• Lead the architectural evolution of high-scale systems that handle carrier integrations, real-time connectivity provisioning, and B2C/B2B product workflows across 200+ countries and regions.
• Own end-to-end delivery of critical features from concept to production, ensuring alignment with business outcomes and customer impact.
• Collaborate with cross-functional teams to define technical requirements, prioritize roadmaps, and deliver robust solutions under global operational demands.
• Mentor junior engineers and foster a culture of technical excellence through code reviews, knowledge sharing, and architectural guidance.
• Optimize system performance, reliability, and security for a distributed, high-traffic platform with stringent uptime and latency requirements.
• Integrate with third-party carrier APIs and telecom systems to enable seamless eSIM activation and network switching for travelers worldwide.
• Apply deep expertise in PHP architecture to enhance code quality, reduce technical debt, and improve maintainability across the backend ecosystem.
• Balance rapid innovation with system stability by implementing scalable patterns, automated testing, and observability tooling.
• Contribute to the design and implementation of microservices and event-driven architectures that support global scalability and fault tolerance.
• Participate in on-call rotations to ensure platform reliability and respond to production incidents with urgency and precision.
• Work autonomously in a fully remote engineering team, taking ownership of technical decisions and driving initiatives with minimal supervision.
• Stay current with industry best practices in backend engineering and advocate for adoption of tools, frameworks, and methodologies that improve team velocity and system resilience.

🎯 Requirements

• Senior-level expertise in PHP and experience building high-scale backend systems
• Proven track record with Laravel or Symfony frameworks and ability to transition between them
• Deep understanding of RESTful API design, microservices, and distributed systems

🏖️ Benefits

• Fully remote work with global team
• Generous paid time off (PTO)
• Wellness and learning allowances
• Annual Airalo Away retreat

Skills & Technologies

PHP

Laravel

Senior

Remote

Degree Required

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Airalo Pte. Ltd.

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About Airalo Pte. Ltd.

Airalo Pte. Ltd. operates a global marketplace for eSIM mobile data plans, enabling travelers to buy affordable, on-demand cellular service in 200+ countries without physical SIM cards. Founded in 2019 and headquartered in Singapore, the company partners with local carriers to provide prepaid data packages accessible via its mobile and web platforms, targeting cost-conscious and convenience-seeking international travelers.

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