Senior PHP Developer
- Hiring Organisation
- Impellam Group
- Location
- England, United Kingdom
services, two‐way integrations, robust error handling & retry/backoff. Performance: high concurrency, low latency, Redis caching, queues/delayed processing, microservices . Data: MySQL with indexing and query optimisation; profiling for throughput. [ Security & payments: network security, payment gateways (e.g., Stripe/PayPal/bank APIs), understanding ...