Vigneshwaran Kannappan

• Lead development on a multi-tenant SaaS platform managing fleet operations, tachograph compliance, and driver wages across EU markets.
• Built and maintained a multi-tenant SaaS platform for fleet/driver management (tachograph compliance, infringement, trips, wages, reports) using Node.js/Express, Sequelize ORM, MySQL, Redis, MongoDB, and AWS (SQS, ECR, EKS), serving multiple enterprise clients with tenant-isolated data access
• Developed internal dashboards and admin tools using React.js to visualise fleet analytics, driver compliance status, and operational KPIs
• Architected event-driven microservices on AWS (SQS for async processing, ECR for container registry, EKS for orchestration), ensuring high availability and horizontal scalability
• Designed a real-time monitoring and observability pipeline with Datadog APM tracing, structured JSON logging (Winston/Morgan), and automated CI/CD pipelines (Jenkins, Docker, Liquibase migrations), deploying across dev/test/staging environments on AWS EKS
• Mentored junior and mid-level engineers through code reviews, pair programming, and architectural design sessions, fostering a culture of technical excellence

Skills: Node.js | React.js | Express.js | Sequelize ORM | MySQL | MongoDB | Redis (NoSQL) | AWS (SQS,LAMBDA, ECR, EKS) | Polymer.js | Datadog | Winston | Morgan | Jenkins | Docker | Liquibase | JWT/OAuth2 | Microservices Architecture | Multi-Tenancy | CI/CD | System Design | Technical Mentoring | SQL | OKTA | Agile Methodologies | Code Review

• Led a cross-functional team delivering a unified platform serving 8 restaurant brands (including GoToFoods and Moe's) from a single codebase, managing menu operations across 1,000+ locations
• Architected serverless menu synchronization pipeline using Node.js and Azure Functions, reducing menu update latency by 60% across all brand storefronts
• Built and maintained core commerce modules — menu, cart, order, and payment — using React.js for frontend and Node.js/Next.js for server-side rendering
• Designed system architecture for multi-brand configurability, enabling shared services with brand-specific theming and feature toggles
• Deployed services on Azure (service Bus, function apps, cosmo mongoDB) with Redis caching and MongoDB for dynamic menu content storage
• Mentored 8+ developers through code reviews, architecture discussions, and 1-on-1 coaching, promoting two team members to senior roles

Skills: Node.js | React.js | Next.js | TypeScript | Azure Functions | Azure DevOps(event bus, service bus blob,APIM)| MongoDB | Redis (NoSQL) | Redux | MUI | CI/CD | System Design | Technical Mentoring | Microservices Architecture | REST APIs | Agile Methodologies | Code Review | AWS (LAMBDA, SQS,S3)

• Led a team of developers delivering PDF Manager and AskZip Chatbot projects on time with high-quality standards
• Built a custom PDF processing toolkit from scratch — including PDF extraction, digital stamping, page splitting, and document merging — enabling enterprise clients to automate complex document workflows
• Designed end-to-end system architecture for PDF Manager including document processing pipeline, user authentication, and role-based access control
• Developed an AI-powered chatbot (AskZip) using Node.js backend with MongoDB for conversation storage and Redis for session caching, enabling real-time customer interactions
• Built cross-platform mobile experience using React Native with React.js web dashboard for admin management and analytics
• Implemented security measures including encryption and authentication techniques to protect sensitive data and ensure data privacy
• Mentored junior developers through code reviews, pair programming, and knowledge-sharing sessions, improving team velocity by 25%

Skills: Node.js | React.js | React Native | JavaScript | MongoDB | Redis (NoSQL) | SAP HANA | Microsoft Azure | PDF Processing (Extraction, Stamping, Splitting, Merging) | CI/CD | System Design | Technical Mentoring | AI/Chatbot Development | Encryption & Authentication | REST APIs | Agile Methodologies | Code Review

• Developed and maintained software systems for Vehicle Financing Operations using Node.js and React.js, ensuring high reliability and performance across multiple modules
• Designed system architecture for seamless integration between Cholamandalam Finance and MSIL (Maruti Suzuki India Limited), enabling real-time data exchange across distributed systems
• Implemented caching layer using Redis for session management and MongoDB for document storage of loan applications and customer records

Skills: Node.js | JavaScript | MongoDB | Redis (NoSQL | SQL | PostgreSQL | System Design | REST APIs | System Integration | Agile Methodologies

• Developed full-stack web applications for Plexi Health Care using React.js, Node.js, and MongoDB, building dedicated panels for doctors, patients, and admins
• Designed database schema and system architecture for healthcare application supporting concurrent users across multiple roles
• Built RESTful APIs with Node.js and deployed on AWS (EC2, S3) for seamless integration with third-party systems, ensuring smooth data flow
• Implemented Redis caching for session management and frequently accessed patient records, improving response times by 30%
• Designed and implemented front-end interfaces for Learncab e-learning platform using React.js, HTML, and CSS
• Participated in CI/CD pipeline setup and contributed to code reviews, learning best practices from senior engineers

Skills: React.js | Node.js | MongoDB | Redis (NoSQL) | AWS (EC2, S3) | JavaScript | HTML | CSS | Bootstrap | CI/CD | System Design | REST APIs | Full Stack Development | Third-Party Integration