Backend/PHP Engineer - Remote UK)
4h ago⚠️ Before applying, please carefully review all the job requirements
- Location:
- England, United Kingdom (Remote in the UK or Spain)
- Work Arrangement:
- Remote
- Job Type:
- Full-time, Permanent
- Company:
- Airalo
- Salary:
- £74,800 - £107,500 per year (UK location tier)
- Posted:
- 2026-10-03
Job Overview
- Airalo is seeking a talented Backend/PHP Engineer to join its fully remote, globally distributed engineering team. As the creator of the world's first eSIM marketplace, Airalo enables millions of international travelers to access flexible and affordable mobile data services across more than 200 countries and regions worldwide.
- In this role, the backend engineer will lead the technical evolution and architectural scaling of a global platform serving over 30 million users. The position centers on solving complex architectural challenges in PHP while balancing rapid feature innovation with system stability and performance. Although the core application is built on Laravel, experienced Symfony engineers looking to transition their architectural skills into a Laravel ecosystem are highly valued.
Key Responsibilities
- ✦ Lead the technical evolution and architectural scaling of a global backend infrastructure serving over 30 million active users.
- ✦ Solve complex backend architectural puzzles in PHP within a high-concurrency digital connectivity ecosystem.
- ✦ Maintain an optimal balance between rapid feature innovation, high system performance, and long-term platform stability.
- ✦ Apply robust software architecture principles using Laravel and Symfony frameworks to enhance core backend services.
- ✦ Collaborate effectively across distributed remote teams in over 60 countries using English in both real-time meetings and asynchronous workflows.
Required Skills and Qualifications
- ✦ Strong technical mastery and professional engineering experience in backend development using PHP.
- ✦ Deep architectural understanding and hands-on proficiency with Laravel or Symfony frameworks.
- ✦ Proven capability to design, scale, and maintain high-volume platforms supporting millions of global users.
- ✦ Demonstrated ability to balance rapid software delivery with high standards for system reliability and code quality.
- ✦ Full existing legal eligibility and residency to work in the United Kingdom or Spain.
- ✦ Professional English communication skills for both synchronous meetings and asynchronous technical collaboration.
Employment & Location Conditions
- ✦ UK Applicants: Full-time permanent contract with a location-based salary range of £74,800 to £107,500 per year.
- ✦ Spain Applicants: Full-time permanent contrato indefinido administered via Deel as the Employer of Record (EOR).
- ✦ Candidates must already reside in and hold full right-to-work status in either the UK or Spain prior to applying.
What the Company Offers
- ✦ Competitive annual base salary (£74,800 - £107,500 for UK residents)
- ✦ Fully remote, globally flexible work environment built on trust and autonomy
- ✦ Permanent employment contract (Direct UK contract or contrato indefinido via Deel in Spain)
- ✦ Comprehensive hub-specific benefits package covering health, wellness, and remote work setups
Application Tips
- Applicants may want to highlight their backend architecture achievements in PHP, particularly detailing experience with high-scale applications, Laravel, or Symfony. Demonstrating an ability to balance system stability with rapid product feature development will align directly with the engineering team's priorities. Candidates should clearly confirm their current residency and right-to-work status in either the UK or Spain. Emphasizing strong English communication skills and prior experience working asynchronously in distributed remote teams will also add strength to an application.
Prepare for Your Interview
- These suggested questions can help you prepare for an interview by focusing on the skills, responsibilities, and technical areas relevant to this role.
Suggested Interview Questions
- Q: How do you approach designing scalable backend architecture in PHP for high-traffic platforms with millions of active users?
- Q: How do your architectural skills and experience in Symfony apply to working within a Laravel codebase?
- Q: How do you effectively balance the demand for fast feature iteration with the need for backend stability and performance?
- Q: Can you share an example of a complex technical or architectural puzzle you solved in a PHP application?
- Q: What strategies do you use to ensure clear communication and maintain technical momentum in a fully remote, asynchronous team?
- Q: How do you monitor, identify, and resolve performance bottlenecks in high-concurrency backend systems?
- Q: What best practices do you follow to ensure code maintainability, testing coverage, and clean architecture as a platform scales?
- Q: How do you evaluate trade-offs when making significant architectural changes to core production services?
interested candidates fill the job application form: Apply Here