Senior PHP Engineer

Help Us Build The Future of Travel

At Airalo, we make it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access mobile data in over 200 countries and regions.

We’re a fully remote team of 400+ people across 60+ countries, building a product used at a global scale every day. Work here is structured but fast-moving, with clear ownership and the space to make decisions without unnecessary layers.

For many people joining us from the UK, it’s the combination that stands out: transparency, meaningful autonomy, and the ability to do high impact work without in office constraints.

• Location: Remote, anywhere in the UK.
• Contract: Full-time, permanent.
• Benefits: Learn more about our benefits here in this link - (Use the "Apply for this Job" box below).?pvs=74
• Languages: English is our main working language day to day, so you'll need to be comfortable communicating in it both in meetings and async.

Curious what it's actually like to work at Airalo? We've put together a guide for each of the hubs we hire from most, covering our benefits, remote culture, employment setup, and what our team values most:

• Life at Airalo
  · España
  : -espana
• Life at Airalo
  · United Kingdom
  : -kingdom
• Life at Airalo
  · United Arab Emirates
  : -emirates

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 30 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.

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 Dev Ops 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
• 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.
• 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

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

£91,600 - £135,000 a year

At Airalo, we believe in roaming-free recruitment. Just as we provide clear connectivity for travelers, we provide clear salary ranges for our candidates.

Given this role is remote and available to candidates across some countries in Europe, this range represents the full salary range for this role across our available locations in the EU. To ensure equity based on where you reside we use a tiered location model:

UK: £91,600 to £135,000

Your Home…