Thamarai Selvan

Associate Consultant at Infosys Limited (2025-01 – 2026-02)

Engineered high-performance frontend components and robust backend APIs for the Walmart Seller Center, directly accelerating seller workflow efficiency across 10,000+ active sellers.
Optimized scalable web applications using React.js, TypeScript, and Tailwind CSS, reducing average page load time by ~30% through code splitting and lazy loading strategies.
Collaborated with DevOps teams to implement CI/CD pipelines and Docker containerization, cutting deployment time by ~40% and eliminating environment inconsistencies across 3+ staging environments.
Contributed within a cross-functional Agile/Scrum team of 12+ engineers, maintaining high-performance standards and reducing regression bugs by ~35% over 6 sprint cycles.
Authored comprehensive functional and E2E test suites using Playwright and Jest, achieving 90%+ test coverage across critical user journeys, dashboards, and real-time data sync workflows.

Software Developer at Appiness Interactive (2023-07 – 2024-11)

Led end-to-end development of a responsive healthcare e-commerce platform serving 5,000+ monthly users for doctor appointments and online consultations using Next.js and Tailwind CSS.
Built and integrated Razorpay payment gateway using Node.js and Next.js, processing 500+ daily transactions with zero payment failures post-launch.
Synchronized mobile and web platforms by collaborating with 3 external mobile developers to integrate a shared backend system, reducing API duplication by ~50%.
Partnered with DevOps to containerize environments using Docker and automate release workflows via CI/CD pipelines, reducing manual deployment effort by ~60%.
Maintained 95%+ code quality across the codebase through rigorous testing and SonarQube audits, resolving 100+ code smell and vulnerability findings pre-release.

Junior Software Developer at Aequalisys Software Solutions (2022-05 – 2023-05)

Built and maintained responsive web UIs using React, TypeScript, and Material UI for 6+ diverse client projects, consistently delivering within sprint deadlines.
Designed and implemented REST API and GraphQL integrations handling 15+ data entities, improving frontend state management efficiency and reducing redundant API calls by ~25%.
Adopted SASS for modular and scalable CSS architecture, reducing stylesheet size by ~20% and improving long-term maintainability across 3 large codebases.
Developed Web3 features by integrating blockchain smart contracts into the UI for a decentralized platform, enhancing transaction transparency and application security.

Print Quality Assurance Associate at Amazon (2019-07 – 2020-12)

Conducted quality checks on 200+ publisher submissions per week to ensure strict compliance with Amazon Kindle content and formatting standards.
Maintained a consistent approval accuracy rate of 98%+ by identifying and resolving formatting, metadata, and content accuracy issues before publication.

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