GlobalConsultings · UP, India
Skills: PHP, SQL, AWS, Docker, CI/CD
job Title: Senior PHP / CodeIgniter Backend Developer
Job Type: Full-time / Contract (As applicable)
Location: Hybrid
About the Role
We are looking for an experienced and hands-on PHP Developer to build, scale, and manage robust backend systems using CodeIgniter. In this role, you will take full ownership of projects from conception to deployment while working directly with clients to translate business needs into technical solutions.
If you write clean, scalable code, understand deep database optimization, and excel in a client-facing environment, we’d love to talk to you!
Key Responsibilities
Develop and maintain scalable backend applications and high-performance REST APIs using PHP and CodeIgniter. Design secure, normalized MySQL databases and write highly efficient queries. Implement Redis for high-speed caching, background jobs, queues, and retries. Integrate third-party APIs and secure payment gateways with robust failure recovery. Handle system security, automated CI/CD deployments, and production troubleshooting. Communicate directly with clients to gather requirements, propose solutions, and provide status updates.
Must-Have Technical Skills
Candidates must have practical, hands-on production experience with the following:
PHP & OOP: Strong command of classes, interfaces, traits, namespaces, SOLID principles, and common design patterns. CodeIgniter & MVC: Deep expertise in routing, controllers, models, filters, and hooks; keeping business logic inside services/libraries rather than controllers. MySQL: Proficient with complex JOINs, subqueries, window functions, indexing, pagination, reading EXPLAIN plans, and resolving N+1 query problems. Redis & Caching: Cache invalidation strategies, TTL management, database synchronization, and session handling. Concurrency & Transactions: ACID transactions, isolation levels, row-level locking, and atomic stock updates to prevent overselling. APIs & Payments: Idempotent payment webhooks with signature verification, duplicate preve…
Sign in to see the original posting
Browse more developer jobs on RoleBurst