Senior Back-end Developer (PHP)
Senior PHP Developer
Full-time | Remote
About Us
ExpoPlatform is a UK-based tech company founded in 2013, delivering cutting-edge solutions for online, hybrid, and in-person events in over 30 countries. Our platform powers registration, attendee engagement, event websites, networking tools, and more — offering complete digital infrastructure for exhibitions and conferences.
Your Role
We’re looking for an experienced Senior PHP Developer to take ownership of core backend components in a fast-paced, product-led environment. You’ll help shape the architecture, scale the platform, and mentor junior team members. This role requires strong technical expertise, autonomy, and excellent communication skills.
Key Responsibilities
- Design, develop, and maintain scalable backend modules for our event-tech platform
- Build and document robust internal and external RESTful APIs
- Participate in system architecture design, refactoring, and performance tuning
- Collaborate with Staff Engineers to ensure system-wide technical consistency
- Work with Engineering Managers to align development with product and business goals
- Take part in cross-team initiatives to raise engineering standards and share best practices
- Translate business requirements into reliable, scalable solutions
- Write clean, maintainable, and well-tested code
- Lead by example, mentoring mid-level and junior developers
- Ensure backend components meet security, performance, and reliability benchmarks
What We’re Looking For
- 7+ years of PHP backend development experience
- Proven senior-level background (e.g., Senior Developer, Tech Lead, or Architect)
- Strong command of Laravel, Symfony, or Phalcon
- Deep understanding of OOP, design patterns, and software architecture
- Experience with PostgreSQL, including performance optimization
- Proficient with Git in collaborative team settings
- Applies modern development principles: SOLID, DRY, KISS, DDD
- Confident writing tests (e.g., PHPUnit) and maintaining testable code
- Hands-on with CI/CD pipelines (GitLab CI, Jenkins, GitHub Actions)
- Able to model and explain system architecture (e.g., C4 diagrams)
- Experience in transitioning from monolithic to service-oriented architecture (SOA/microservices)
- Familiar with modern architecture styles: Clean, Hexagonal, Onion, DDD
- Up to date with tech trends, including AI-assisted coding tools and practices
- Advanced or native-level English, with the ability to clearly communicate technical concepts to both technical and non-technical stakeholders, including external partners and clients
Nice to Have
- Experience with cloud services (e.g., AWS: EC2, S3, RDS, Lambda)
- Familiarity with message queues (RabbitMQ, SQS)
- Basic frontend skills (JavaScript, HTML, CSS, Vue.js, React)
What We Offer
- A chance to build and scale infrastructure for a globally used event-tech platform
- A collaborative, international team in a fast-growing company
- Competitive salary with performance-based incentives
- Flexible work hours and fully remote setup
- Budget for professional development and learning