Senior PHP Backend Developer & Tech Lead

VIGNESH T

Senior PHP Backend Developer Technical Lead Web Application Engineering

***************@*****.*** +91-978**-***** https://www.linkedin.com/in/vignesh-thandapani/ PROFESSIONAL SUMMARY

IT professional with 14+ years of experience in web application development, backend engineering, application enhancement, maintenance, and technical leadership. Strong hands-on expertise in PHP, MySQL, Symfony, and CakePHP, with additional experience in Laravel, Yii, and Zend. Experienced in designing and developing scalable web applications, REST APIs, third-party integrations, payment gateway integrations, database design, troubleshooting, testing, and production application support.

Experienced in requirements analysis, technical estimation, solution design, code reviews, deployment, client interaction, and team handling, with a strong focus on delivering reliable and maintainable applications. Hands-on experience with AWS cloud platform for application deployment and infrastructure support, along with frontend technologies including Angular, JavaScript, HTML, and CSS.

Have worked on enterprise, education, logistics, reporting, tracking, and customized web applications, taking ownership across the development lifecycle from requirements and design through development, deployment, maintenance, and production support. Strong ability to collaborate with clients, technical teams, and stakeholders to understand business requirements and deliver effective technology solutions.

CORE SKILLS

o PHP Backend & Web Application Development

o Application Enhancement & Maintenance

o API Development & Third-Party Integration

o Requirements Analysis & Estimation

o Database Schema Design

o Code Review & Quality Practices

o Deployment & Release Support

o Production Support & Application Monitoring

o Client Interaction, Team Handling, Mentoring & Technical Support o Payment Gateway Integration

o Functional & Manual Testing

o Application Modernization & Technology Upgrades

o GDPR Compliance Experience

TECHNICAL SKILLS

o Programming: PHP

o Backend Development: PHP Backend Development, Server-Side Web Applications, Application Maintenance

o Frameworks: Symfony, CakePHP, Laravel, Yii, Zend o Databases: MySQL, MSSQL, PostgreSQL

o APIs & Integration: API Development, Third-Party API Integration, Webhooks o Cloud & Server Deployment: AWS EC2, Nginx, PHP, MySQL, Amazon Route 53 o Version Control & DevOps: Git, GitLab, GitHub, Jenkins, Docker o Frontend: Angular, JavaScript, HTML, CSS, jQuery, Bootstrap o Testing & Quality: Unit Testing, Functional Testing, Manual Testing, Code Review o Methodologies & Collaboration: SAFe Agile, Requirements Analysis, Estimation, Client Interaction, Technical Support

PROFESSIONAL EXPERIENCE

Manager at Capgemini, Bangalore (Apr 2023 – Jan 2026) o Developed and enhanced PHP/Symfony-based web applications with MySQL, supporting application maintenance, production monitoring and issue resolution. o Developed a monitoring tool to regularly verify critical service availability and generate operational reports.

o Migrated source-code repositories from GitLab to GitHub and supported GitHub/GitLab- based development workflows.

o Upgraded PHP, Apache and MySQL versions as part of application modernization and maintenance activities.

o Supported application maintenance, production monitoring and issue resolution. o Worked with Azure Boards and GitHub/GitLab-based development workflows. o Supported team members with technical issues and application enhancements. Senior Consultant at Capgemini, Bangalore (Dec 2020 – Mar 2023) o Enhanced and maintained Symfony-based web services and application components. o Customized web services and updated Symfony workers based on partner requirements. o Created and modified Apache Solr collections and implemented custom sorting logic for data retrieval.

o Worked with Kafka, Docker and application integration components. o Monitored production applications using standard operational and performance checks. o Worked within a SAFe Agile environment using GitLab, Jenkins, Jira and Confluence. o Supported application enhancements and production-related technical activities. Senior Lead Engineer at Anubavam Technologies Pvt. Ltd., Chennai (Nov 2019 – Oct 2020) o Led development and customization of a higher-education software product using Yii and MySQL.

o Customized modules including Document Management and Enrolment. o Integrated third-party APIs and webhooks into an analytics application. o Converted application processes into API services to support application integration. o Enhanced module-level search capabilities through Elasticsearch integration. o Supported technical implementation and application enhancements. Tech Lead at Agira Technologies Pvt. Ltd., Chennai (Mar 2016 – Oct 2019) o Led development of customized web applications including learning-management and logistics platforms.

o Designed and developed stateless RESTful APIs using standard HTTP methods. o Performed technical implementation with client requirements. o Worked with PHP frameworks and CMS including Laravel, Symfony, Zend, Drupal and WordPress.

o Applied SOLID principles and design patterns MVC, Singleton. o Supporting cloud/deployment experience.

o Supported GDPR-compliant application development. o Performed unit testing, deployments and code reviews. o Provided technical guidance and supported team members. o Interacted with clients and contributed to application and product improvements. Associate Software Engineer at Ahsan Technologies Pvt. Ltd., Chennai (Jan 2013 – Jan 2016) o Customized web applications including fundraising, e-learning and booking platforms. o Developed and enhanced applications using CakePHP, Smarty, WordPress and related web technologies.

o Integrated payment gateways including PayPal and Stripe. o Participated in requirements analysis, estimation and design integration. o Supported client interaction and application development activities. o Assisted team members and participated in technical recruitment activities. Senior Web Developer at Avenir Techno Solutions (P) Ltd., Chennai (Jul 2011 – Jan 2013) o Developed and enhanced web applications using PHP, HTML, CSS, JavaScript and jQuery. o Developed a Daily Deals web application including payment gateway integration. o Created a custom Joomla module for a Medical Training Guide application. o Mentored junior developers and supported collaborative development activities. PROJECTS

DataOne

Technologies: PHP, Symfony, Angular, MySQL, MS SQL, Apache, Azure o Supported and enhanced enterprise applications for communication, document version control, reporting and background processing.

o Deployment and production support.

o Handled client interactions and supported team activities. o Integrated the Telemetry API

o Upgraded the PHP, Apache and MySQL

o Handled the team.

Postal Services

Technologies: Symfony, MySQL, Apache Solr, Kafka, Docker o Follow the Safe Agile methodology

o Enhanced a postal-services application and its APIs. o Worked on backend data flow from Kafka to database and Solr components, with data subsequently retrieved through APIs.

o Supported application training and technical recruitment activities. Education Software

Technologies: Yii, MySQL, Elasticsearch

o Worked on a cloud-based higher-education platform combining CRM, student information and LMS functionality.

o Designed database schemas and implemented application features. o Enhanced module-level search functionality using Elasticsearch. Email Stats

Technologies: Symfony, MySQL

o Developed reporting functionality presenting email campaign statistics in table and chart formats.

o Integrated third-party vendors including MailChimp, Silverpop, Campaign Monitor, HubSpot and iPost.

o Implemented APIs and chart functionality.

o Customized chart presentation and application design. LMS

Technologies: Laravel, MySQL

o Worked on an SAT preparation platform containing multiple question formats for English and Mathematics.

o Resolved application issues and supported application redesign. o Supported team-handling activities.

Time Report

Technologies: Laravel, MySQL

o Developed functionality for tracking worked hours and billed hours across projects and employees.

o Implemented reporting using charts and tables.

o Implemented Google Charts and supported team activities. Technical Documentation

Technologies: Drupal 7, MySQL

o Developed and enhanced an API documentation application. o Interacted with clients. Suggest value-added functionality to application. o Integrated application themes and implemented requested features. EDUCATION

o Master of Computer Applications at B.S. Abdur Rahman Crescent Engineering College, affiliated with Anna University

o B.Sc. Mathematics at Arungarai Amman College of Arts and Science, affiliated with Bharathidasan University

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