Senior CodeIgniter Developer

Senior CodeIgniter Developer (CodeIgniter 4 | DB Optimization | Queues) 📍 Location: Bangalore, India (Hybrid Work Model) 🏢 Company: FLYONIT Infrastructure 🕐 Experience: 10+ Years About Us At FLYONIT Infrastructure, we are committed to building robust, scalable, and high-performance digital solutions. We work with cutting-edge technologies and enterprise-level clients, ensuring our products meet the highest standards of performance, security, and reliability. We are currently seeking a Senior CodeIgniter Developer with deep expertise in CodeIgniter 4, database performance optimization, and system integrations to join our dynamic team in Bangalore under a hybrid work model. Role Overview We’re looking for a seasoned backend engineer who can design and optimize APIs, queries, and authentication systems in a high-performance environment. The ideal candidate should have a strong foundation in PHP (CodeIgniter 4 framework), PostgreSQL/MySQL, queue mechanisms, and third-party integrations using APIs. You will collaborate closely with our product, DevOps, and infrastructure teams to build scalable, secure, and high-performing applications. Key Responsibilities - Develop, optimize, and maintain backend applications using CodeIgniter 4. - Implement and manage queue mechanisms for asynchronous and scalable systems. - Design and optimize SQL queries for PostgreSQL and MySQL, using query profiling, CTEs (Common Table Expressions), and query builders. - Analyze and enhance API performance through caching, indexing, and query optimization. - Implement authentication mechanisms including SAML, SSO, and API key-based integrations. - Securely integrate third-party tools or platforms using API keys and secrets. - Apply filters in CodeIgniter 4 for middleware-level functionalities such as authentication and request validation. - Design and maintain stored procedures for performance and data integrity, with a clear understanding of when to use raw SQL vs query builder. - Participate in code reviews, system design, and performance tuning. - Troubleshoot complex technical issues and suggest long-term, scalable solutions. - Required Skills & Experience - 10+ years of hands-on experience in PHP development, with strong focus on CodeIgniter (CI 4). - Expertise in PostgreSQL and MySQL, including indexing, joins, and query optimization. - Proven experience with queue systems (e.g., RabbitMQ, Redis, Beanstalkd, or similar). - Strong understanding of authentication protocols – SAML, OAuth2, SSO, etc. - Experience with query profiling tools and database performance analysis. - Strong in stored procedures, query builders, and raw SQL — and understanding when to use each. - Hands-on experience with third-party API integrations and secure authentication management. - Strong analytical and logical reasoning abilities, including solving algorithmic or situational problems. - Excellent communication skills and a collaborative mindset. - Good to Have - Knowledge of microservices architecture and API gateway management. - Experience with CI/CD pipelines and Docker-based deployments. - Familiarity with performance monitoring tools and profiling libraries. You should also understand the use of CTEs, query profiling, filters in CI 4, and performance tuning strategies. Why Join Us? - Hybrid work model: balance your time between office collaboration and remote flexibility. - Opportunity to work on challenging enterprise-level projects. - Collaborative and growth-oriented culture. - Competitive salary and benefits package. - Be part of a forward-thinking team driving innovation in infrastructure technology.