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About the Role
Airalo is seeking a Senior Backend Engineer to lead the evolution of its global platform, which serves over 20 million users. This role involves tackling complex technical challenges across the product ecosystem, building, innovating, and scaling the platform that connects millions of travelers worldwide. The ideal candidate will have deep technical mastery, a mentor mindset, and the ability to balance innovation with system stability.
Responsibilities
- 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 DevOps to translate complex requirements into scalable technical roadmaps
- Participate in an on-call rotation for maintaining 24/7 service reliability
Requirements
- 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
- Ability to effectively use AI tools during technical tasks
- Knowledge of SQL and NoSQL 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
- Must reside and be fully eligible to work in the UK
Skills
- PHP
- Laravel
- Symfony
- Distributed systems
- Event-driven architecture
- Messaging patterns (SQS, Pub/Sub)
- SQL
- NoSQL
- AWS
- Docker
- Clean code
- Automated testing
- CI/CD
- AI tools
Location
- Remote
- UK
Work Type
- Fully remote
- Full-time
Experience Level
- Senior
- 7+ years of professional backend development experience
- 4+ years of building enterprise-grade applications
Benefits
- Remote work
- Generous PTO
- Wellness allowance
- Learning allowance
- Annual Airalo Away retreat
- Paid on-call rotation (standby fees + overtime pay)
- Delayed start for on-call duties (first 6 months)
- Guaranteed rest periods and flexible hours following night incidents
- Shared load for on-call rotations
About the Company
- Airalo is the world’s first and largest eSIM store, helping travellers stay connected seamlessly in over 200 countries and regions.
- Engineering drives Airalo’s eSIM platform, building the product that lets millions of people connect instantly across the globe.
- The company values ownership, customer focus, and impactful work.
Equal Opportunity
- Airalo is an equal-opportunity employer and values diversity, equity & inclusion.
- We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
- We are committed to providing reasonable accommodations upon request for individuals with disabilities throughout our job interview process.