Senior PHP Engineer

Overview

About Airalo Alo! Airalo is the world’s first eSIM store that helps people connect in over 200+ countries and regions across the globe. We are building the next digital service that revolutionizes the telecom industry. We are a travel-tech company and an equal-opportunity environment that values and executes diversity, inclusion, and equity. Our team is spread across 50+ countries and six continents.

What glues us together is our commitment to changing the way you connect.

For more information about Airalo, see our Public Handbook: (Use the "Apply for this Job" box below).-handbook

We hope that you care deeply about the quality of your work, the intrinsic worth of tasks, and the success of your team. You are self-disciplined and do not require micromanagement. You strive to flourish as an individual while contributing to a collaborative team environment. You value authenticity, honesty, positivity, and kindness. You communicate clearly and concisely. You can manage multiple projects, think analytically, pay keen attention to detail, and enjoy getting hands dirty.

You are cognizant, tolerant, and welcoming of vulnerabilities and cultural differences.

Position: Full-time / Employee

Location: Remote-first

Benefits: Health Insurance, work-from-anywhere stipend, annual wellness & learning credits, annual all-expenses-paid company retreat in a destination, and other benefits

Participating in our on-call rotation is a core expectation of this role. It is 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: standby fees + overtime pay
• Delayed Start: no on-call duties for the 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: -policy

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 than 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.

• 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 Dev Ops to translate complex requirements into scalable technical roadmaps

• 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 No
  
  SQL 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

• 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

If you are interested in this position, please apply via the link.

Note:

to be considered, you must reside in and be fully eligible to work in either the UK or Spain. Proof of a valid right to work in one of these two countries will be required. We may run background checks with your consent, limited to what is allowed by applicable laws. All data will be processed in accordance with our Privacy Policy:

We are an equal-opportunity employer and value diversity, equity & inclusion. We do not discriminate on race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We provide reasonable accommodations upon request for individuals with disabilities throughout our job interview process.