Suman K S

Backend Developer with 5 years of experience in PHP, Laravel, Core PHP, Java, Spring Boot, REST API development, MySQL database optimization, Redis caching, and production support. Strong experience in developing scalable backend applications, building secure APIs, optimizing SQL queries, resolving N+1 query issues, improving application performance, and integrating third-party APIs. Hands-on experience with Java 17, Spring Boot, Spring MVC, Spring Security, JWT authentication, Hibernate/JPA, microservices, and backend migration activities.

Skilled in Agile/Scrum, SDLC, debugging, code review, API testing, and delivering clean, maintainable, and secure backend solutions.

Software Developer at Swipewire Technologies Pvt Ltd (2023-08 – Present)

• Developed, enhanced, and maintained scalable backend applications using PHP, Laravel, MySQL, Redis, and RESTful APIs.
• Designed and implemented REST APIs for product, order, payment, customer, and business workflow modules.
• Optimized MySQL queries, database indexes, and Eloquent ORM relationships to improve backend performance.
• Identified and resolved duplicate queries and N+1 query issues to reduce database load and improve API response time.
• Implemented Redis caching for frequently accessed data to improve application speed and reduce repeated database calls.
• Integrated third-party services including payment gateways, SMS APIs, and email APIs for business-critical workflows.
• Developed secure backend features using server-side validation, authentication, authorization, and secure API development practices.
• Debugged and resolved production issues related to APIs, routing, database queries, caching, product data, and backend logic.
• Performed API testing and validation using Postman to ensure reliable backend functionality.
• Followed clean code principles, MVC architecture, reusable service logic, and Laravel best practices.
• Participated in code reviews and mentored junior developers to improve code quality and maintainability.
• Collaborated with frontend developers, QA engineers, product teams, and UI/UX teams in Agile/Scrum environments.
• Contributed to Java Spring Boot backend development and migration activities using Java 17, Spring Boot, Spring Security, Hibernate/JPA, MySQL, and REST APIs.
• Worked on microservices-based backend components using layered architecture including controller, service, repository, and model/entity layers.
• Supported production releases, bug fixes, performance improvements, and backend system maintenance.

PHP Developer at SocialBytes Technologies Pvt Ltd (2021-04 – 2023-07)

• Developed and maintained backend web applications using Core PHP, Laravel, MySQL, and REST APIs.
• Built backend modules for business applications using PHP, Laravel MVC architecture, and reusable coding practices.
• Designed normalized MySQL database schemas to support application features and business requirements.
• Optimized SQL queries and improved data retrieval performance using indexing and query tuning.
• Implemented authentication, authorization, server-side validation, and secure backend coding practices.
• Integrated backend APIs with frontend applications to deliver complete web application functionality.
• Worked on API development, API testing, debugging, and issue resolution during development and production support.
• Managed SDLC activities including requirement analysis, development, testing, deployment, and maintenance.
• Diagnosed and resolved production defects to improve application stability and reduce downtime.
• Collaborated with frontend developers, QA teams, and project stakeholders to deliver stable and maintainable applications.
• Used Git for version control and followed development workflows for code management and release support.

Bachelor of Engineering in Information Science and Engineering – Sambhram Institute of Technology, Bengaluru (2020-09)