Senior PHP Engineer - Checkout - Pre-Confirmation (all genders)
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Hamburg, Germany
3 days ago
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Role details
Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
6 years minimum
Working hours
Regular working hours
Languages
English
Job source
Tech stack
Clean Code Principles
PHP (Programming Language)
Application Programming Interfaces (APIs)
Automation of Tests
Relational Databases
Database Queries
DevOps
Enterprise Architecture Framework
Monitoring of Systems
Laravel
PostgreSQL
MySQL
+15 more
Redis
Swagger
Symfony
Openapi
Software Troubleshooting
Caching
Backend
Git
Containerization
Gitlab-ci
Kubernetes
Restful APIs
Amazon Simple Queue Service (SQS)
Docker
Microservices
Job description
- Design and maintain scalable RESTful APIs and microservices (PHP/Laravel/Symfony) powering the checkout experience
- Build event-driven pipelines using AWS SNS/SQS for asynchronous payment, order, and inventory processing
- Optimize database queries (MySQL/PostgreSQL) and Redis cache layers to handle massive traffic spikes smoothly
- Write automated tests, review pull requests, and advocate for sustainable architecture and clean code
- Collaborate daily with product, QA, and DevOps teams to deliver high-impact improvements in short sprints
- Troubleshoot complex technical issues and balance long-term code health with pragmatic product delivery
Requirements
- 6+ years of backend development experience with senior-level ownership
- PHP 8.x mastery using Laravel, Symfony, or modern enterprise frameworks
- Relational database & caching skills (MySQL, PostgreSQL, Redis)
- API & microservice design with OpenAPI/Swagger standards
- Asynchronous processing experience using SNS/SQS
- Containerization & CI/CD workflow knowledge (Docker, Git, GitLab CI)
- Fluent English with transparent, solution-oriented communication
Nice To Have:
- Background in e-commerce, checkout flows, or payment processor integrations.
- Experience with cloud platforms, Kubernetes, and application observability/monitoring tools.
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