Enter a job title or keyword

Senior PHP Engineer

Airalo

Job Location:

Barcelona - Spain

Monthly Salary: Not provided by the employer

Posted: 4 June 2026 (30+ days ago)

Application Deadline: 1 September 2026

Vacancies: 1 Vacancy

Job Summary

Ready to make travel easier for millions Airalo is the worlds first and largest eSIM store helping travellers stay connected seamlessly in over 200 countries and regions. We trust our teams to take ownership put customers first and do work that has a real impact every day. Whats in it for you Airalo offers team members a range of perks including remote work generous PTO wellness and learning allowances and of course our annual Airalo Away retreat. Learn more about our benefits here; Im Daniele VP of Engineering at Airalo!

Engineering drives Airalos eSIM platform. We build the product that lets millions of people connect instantly across the globe. The challenges are exciting: high-scale systems carrier integrations and products spanning both B2C and B2B. What matters most to us is creating an environment where engineers can do their best work. Real ownership autonomy and a direct link between what you ship and business outcomes are key. Youll work with smart motivated people who take their craft seriously. If you want to build things that matter at global scale this is where you do it.

Airalos fully remote Engineering team is this role youll tackle complex technical challenges across our product ecosystem helping build innovate and scale the platform that keeps millions of travellers connected worldwide.

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 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.

On Call

Participating in our on-call rotation is a core expectation of this role. Its 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: We offer standby fees overtime pay.

- Delayed Start: No on-call duties for your 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 theOn-Call Policyin the Airalo Handbook for full details: 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 DevOps 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 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

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

Please be aware that we can only consider candidates for this role who alreadyreside and are fully eligible to work in Spain.

If you are interested in this positionplease apply via the link.

By applying you acknowledge and agree that in case of successful application Airalo may request to run background checks as a condition for entering into an agreement with you. Rest assured that these checks will only occur upon your prior consent and at the end of the selection process and will be strictly limited to what is allowed under the laws that are applicable to you. All data that you share or that we collect in connection with such checks will be processed in accordance with our Privacy Policyavailable here: sincerely thank all applicants in advance for submitting their interest in this 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.

At Airalo we use AI-assisted tools as part of our recruitment process. Your application will be reviewed using tools that help our recruiters analyze and organize CV information. These tools support but do not replace human judgment; all hiring decisions are made by humans. If you progress to an interview we may use tools to generate AI-assisted notes - you can opt out of these. For more information on how we handle your data please see our Privacy Policy: Experience:

Senior IC