Senior Software Engineer

Location: Gurgaon

Department: Technical

Experience: 4-8

Job Description: Senior Software Engineer – PHP

About the Role

Key Responsibilities

• Design, develop, and maintain scalable web applications using PHP, Laravel, and CodeIgniter.
• Develop and integrate RESTful APIs and third-party APIs.
• Write clean, reusable, maintainable, and secure code.
• Work with MySQL for database design, queries, optimization, indexing, and troubleshooting.
• Analyze and optimize application performance and database queries.
• Identify and resolve production issues and performance bottlenecks.
• Participate in code reviews and ensure adherence to coding standards.
• Use Git for source-code management, branching, merging, and pull requests.
• Collaborate with frontend developers, QA engineers, product managers, and other stakeholders.
• Understand existing legacy code and implement enhancements without impacting existing functionality.
• Write unit/integration tests where applicable and ensure application reliability.
• Perform debugging using logs, IDE/editor tools, browser developer tools, and server logs.
• Participate in technical discussions, estimation, planning, and task breakdown.
• Mentor junior and mid-level developers and provide technical guidance.
• Follow secure coding practices and ensure applications are protected against common vulnerabilities.

Required Technical Skills

PHP

• Strong knowledge of Core PHP and OOP concepts.
• Good understanding of SOLID principles and design patterns.
• Strong experience with Laravel.
• Working experience with CodeIgniter.
• Understanding of MVC architecture.
• Experience with Composer and PHP packages.
• Good understanding of exception handling, validation, authentication, sessions, and middleware.

Laravel / CodeIgniter

• Laravel routing, controllers, middleware, migrations, Eloquent ORM, queues/jobs, events, caching, and authentication.
• Experience working with Laravel APIs and third-party integrations.
• Understanding of CodeIgniter MVC architecture and existing/legacy CodeIgniter applications.
• Ability to troubleshoot and optimize framework-level issues.

MySQL

• Strong knowledge of MySQL.
• Complex SQL queries, joins, subqueries, and transactions.
• Indexing and query optimization.
• Understanding of EXPLAIN, execution plans, locks, and database performance.
• Experience working with large-volume databases.
• Knowledge of database design and normalization.

Git / Development Tools

• Strong experience with Git.
• Branching, merging, rebasing, cherry-picking, conflict resolution, and pull requests.
• Experience with GitHub/GitLab/Bitbucket or similar platforms.
• Good hands-on experience with VS Code or similar IDEs.
• Comfortable working with Linux/Unix environments and command-line tools.

APIs & Web Technologies

• Strong knowledge of REST APIs.
• JSON, HTTP methods, status codes, authentication, and API security.
• Experience integrating third-party APIs.
• Basic understanding of HTML, CSS, JavaScript, and frontend/backend integration.
• Understanding of AJAX and asynchronous API communication.

Good to Have

• Experience with AWS services.
• Knowledge of Redis/Memcached and caching strategies.
• Experience with queues and background jobs.
• Knowledge of Docker and CI/CD pipelines.
• Experience with Jenkins or similar CI/CD tools.
• Knowledge of Nginx/Apache and Linux server environments.
• Experience with Elasticsearch/OpenSearch or other search technologies.
• Understanding of application security and OWASP practices.
• Experience working on high-traffic or e-commerce applications.

Soft Skills

• Strong analytical and problem-solving skills.
• Good communication and collaboration skills.
• Ability to independently analyze requirements and provide technical solutions.
• Ability to work under deadlines and handle production-critical issues.
• Strong ownership and accountability.
• Ability to mentor junior developers and contribute to technical decisions.

Education

Experience