Senior PHP Engineer in London

Senior PHP Engineer in London

London Full-Time 48000 - 72000 £ / year (est.) No home office possible
Antler

At a Glance

  • Tasks: Lead the design of high-performance systems and improve scalability for a global platform.
  • Company: Join Airalo, the world's first eSIM store revolutionising telecom across 200+ countries.
  • Benefits: Enjoy health insurance, remote work stipend, wellness credits, and an all-expenses-paid company retreat.
  • Why this job: Make a real impact in travel-tech while working with cutting-edge technology and a diverse team.
  • Qualifications: 7+ years in backend development with PHP, experience in Laravel or Symfony, and strong architectural skills.
  • Other info: Remote-first culture with flexible hours and guaranteed rest periods after on-call duties.

The predicted salary is between 48000 - 72000 £ per year.

About Airalo

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 revolutionises 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.

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 in terms of your skillset and work ethic. You do your best to flourish as an individual every day while working hard to foster a collaborative team environment. You believe in the importance of being — and staying — authentic, honest, positive, and kind. You are a good interlocutor with clear and concise communication. You are able to manage multiple projects, have an analytical mind, pay keen attention to detail, and love to get your hands dirty. You are cognizant, tolerant, and welcoming of vulnerabilities and cultural differences.

About the Role

  • 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 gorgeous destination & other benefits

On-Call:

  • 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: 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 minimise fatigue.

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 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
  • Knowledge of SQL and NoSQL including performance tuning and handling transactions at scale
  • Experience architecting on AWS and managing containerised 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.

If you are interested in this position, please apply via the link. Please note that to be considered for this role, 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.

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 Policy.

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.

Senior PHP Engineer in London employer: Antler

Airalo is an exceptional employer that champions a remote-first work culture, offering employees the flexibility to work from anywhere while enjoying comprehensive benefits such as health insurance, wellness credits, and an annual all-expenses-paid retreat. With a strong commitment to diversity, inclusion, and employee growth, Airalo fosters a collaborative environment where team members can thrive both personally and professionally, making it an ideal place for those seeking meaningful and rewarding employment in the travel-tech industry.
Antler

Contact Detail:

Antler Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior PHP Engineer in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who might know someone at Airalo. A friendly chat can sometimes lead to a referral, which is a great way to get your foot in the door.

✨Tip Number 2

Prepare for the interview by brushing up on your PHP and Laravel skills. Make sure you can discuss your past projects confidently, focusing on how you tackled challenges and contributed to team success. We love hearing about real-world experiences!

✨Tip Number 3

Show off your personality! Airalo values authenticity, so don’t be afraid to let your true self shine during interviews. Share your passion for travel-tech and how you can contribute to our mission of revolutionising connectivity.

✨Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining our team. Don’t forget to follow up after applying; a little nudge can go a long way!

We think you need these skills to ace Senior PHP Engineer in London

PHP
Laravel
Symfony
Distributed Systems
Event-Driven Architecture
Messaging Patterns (SQS, Pub/Sub)
SQL
NoSQL
AWS
Docker
Clean Code
Automated Testing
CI/CD Best Practices
Technical Communication
Mentoring

Some tips for your application 🫡

Show Your Passion for PHP: When you're writing your application, let your love for PHP shine through! Share specific projects or experiences that highlight your skills and how you've tackled complex problems. We want to see your enthusiasm for backend development!

Tailor Your Application: Make sure to customise your application to fit the role. Highlight your experience with Laravel or Symfony, and mention any relevant projects that demonstrate your mastery of distributed systems. This helps us see how you can contribute to our team!

Be Clear and Concise: We appreciate clear communication, so keep your application straightforward. Avoid jargon unless it's necessary, and make sure your points are easy to understand. This will help us get a good sense of your communication style right from the start!

Apply Through Our Website: Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our awesome team at Airalo!

How to prepare for a job interview at Antler

✨Know Your PHP Inside Out

Make sure you brush up on your PHP skills, especially if you have experience with Laravel or Symfony. Be prepared to discuss your past projects and how you've tackled complex architectural challenges. This will show that you not only know the language but can also apply it effectively.

✨Understand Airalo's Mission

Familiarise yourself with Airalo's vision of revolutionising the telecom industry through eSIM technology. Being able to articulate how your skills align with their goals will demonstrate your genuine interest in the company and its mission.

✨Prepare for Technical Questions

Expect to dive deep into technical discussions about distributed systems, event-driven architecture, and caching strategies. Practise explaining these concepts clearly, as you'll need to communicate complex ideas to both technical and non-technical stakeholders.

✨Show Your Collaborative Spirit

Airalo values teamwork and a positive work environment. Be ready to share examples of how you've mentored others or contributed to a collaborative project. Highlighting your ability to work well with diverse teams will resonate with their culture.

Senior PHP Engineer in London
Antler
Location: London

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