PHP/Plsql Developer - Senior Software Engineer with 10+ Years

MATHAN KUMAR G

Team Lead **+ Years of Experience.

***********@*****.*** +91-824******* linkedin.com/in/mathan-kumar-9b62067b/ 14/5, VOC st, Janathanagar, Sivananthapuram, Coimbatore - 641035, Tamil Nadu.

PROFESSIONAL SUMMARY

Senior Software Developer with 10+ years of experience in web application development using PHP, MySQL, React and Node js. As a Team Lead with 3 years of experience in managing development teams, delivering scalable solutions, and driving performance optimization. Skilled in handling client requirements, preparing WBS, flowcharts, technical approach documents, RCA and leading code reviews to ensure high-quality deliverables and successful project execution.

TECHNICAL SKILLS

Backend: PHP 5.6, PHP 8.2, Node js, REST APIs, JWT

Frontend: React js 18, JavaScript ES6+, HTML5, CSS3, Bootstrap, Jquery

Frameworks: Laravel 5 & 12, CodeIgniter 3.1, Slim 3, Yii, Symfony

Databases: MySQL, Oracle (SQL, PL/SQL), Database Design, Normalization, Indexing, Query Optimization, Performance Tuning.

Infrastructure: Microsoft Azure, Linux Servers Environment, Docker,

Source Code Management: Git & GitHub, Sourcetree

Tools & Technologies: Postman, Winscp, Mysql Workbench, VS Code, Jira, Meld, Power BI

Concepts: MVC, REST API, Microservices, Decoupling Middleware

PROFESSIONAL EXPERIENCE

eNoah isolution Pvt Ltd Mar 2019 – Feb 2026

Role 1: Team Lead & Senior Software Engineer (2023 - 2026)

- Led a team of developers and manage end-to-end project delivery.

- Worked as a hands-on developer in designing and developed scalable front-end and back-end systems.

- Analyzed and refined business requirements, coordinating with onshore stakeholders to resolve ambiguities.

- Led requirement clarification discussions to ensure alignment between business and development teams.

- Estimated effort for modules and tasks, improving planning accuracy and delivery timelines.

- Managed tasks using Jira, including creation, tracking, and status reporting.

- Delegated tasks to team members based on expertise, ensuring efficient resource utilization.

- Monitored team progress, code reviews, mitigated risks proactively, and collaborated with stakeholders to ensure on-time delivery of project milestones.

- Managed and guided the upgrade of the application from PHP 5.6 to 8.2, while driving vulnerability remediation and implementing Content Security Policy (CSP) to enhance overall security, performance, and stability.

Role 2: Senior Software Developer (Mar 2019 - 2022)

- Developed web applications using PHP and MySQL. Built REST APIs and integrated third-party services. Improved performance by optimizing queries, procedure and views.

- Implemented MySQL read-write separation using master-slave replication, improving scalability and reducing database load under high concurrency.

- Designed provider callback and notification system (API + email) improving system observability and operational visibility.

- Architected multi-provider integration system supporting concurrent external data sources with consistent API contracts.

- Followed MVC architecture, coding standards and improved application performance.

TrueTech Solutions Sep 2018 – Feb 2019

Software Developer

- Worked on back-end & front-end development using PHP and MySQL in eNoah solution Pvt Ltd as contract employee.

- Performed requirement analysis and coordinated with onshore teams for product development clarifications.

GSRI Technologies Feb 2016 – Sep 2018

Software Developer

- Worked on back-end & front-end development using Oracle and PHP.

- ERP web application was developed & provide application support, maintenance and enhancements.

KEY PROJECTS

- Policy Management System: Developed API-based integration for order processing.

- E-commerce Platform: Built scalable backend with payment integration.

Project 1: eXpert APS Retrieval Order Management

- This project is to claim the medical records of patients and insurance policy with facility and thirty party copy service. This is the Order Management application by BPO solutions. Retrieved patient medical records via third-party vendors and provided status updates to insurance carrier. Analyzed aggregated patient data to identify gaps in care and deliver accurate, actionable insights to insurance carrier.

- Upgraded the application stack from PHP 5.6 to PHP 8.2 and MySQL 8.0, ensuring improved performance, compatibility, and stability. Strengthened application security by implementing vulnerability fixes and enforcing Content Security Policy (CSP).

Project 2: AMICOR

- Aimcor is a national Insurance Marketing Organization that distributes and services insurance and retirement products through a variety of platforms.

- It’s related to Insurance domain. Main purpose is commission calculation to respective agent or agency.

Project 3: ARIES

- Worked on the Automated Regional Information Exchange System (ARIES), a web-based application used by California law enforcement agencies in the United States.

- Developed and maintained modules for multiple user roles including Police Officers, Judges, and Regional Officers.

- Enabled officers to record new criminal offences, manage case-related information, and access historical criminal records for investigation and case filing.

- Supported judicial workflows by enabling judges to review cases, manage judgement-related activities, and facilitate secure regional offence tracking and information exchange across departments.

Project 4: eHRMS

- This project is customized tool for HR Management and payroll module, which automates all the activities involved in the Job vacancy, Resources maintenance.

- The major Modules of this software package include Admin, Human Resources, Project Managers, Interviewers, Functional Head.

Project 5: POSVUE

- It is an online ordering Dine-in food portal in the restaurants. It’s also had admin portal to manage inventory, maintain and schedule reports.

Project 6: SERPE

- It is an externally facing portal which is used by textile industry. It is inventory management software based on the ERP modules.

- We have lot of modules like Inventory, Purchases, Purchase Intent, Purchase return, Sales intent, Sales order, Sales return, Vendor/Product based Margins etc.,

EDUCATION

MCA Degree in Computer Science - KGISL Institute of Information Management

71.5% - 2014

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