Shargunapandiyan Janagan

Roles and responsibilities

• Understood functional requirements from business analysts and translated them into detailed Technical Design Documents (TDD).
• Designed, developed, and maintained end-to-end payroll modules, including employee profile, timesheet, salary slip, and dashboard interfaces.
• Implemented scalable backend services using Core Java, Spring Boot, JPA, and RESTful APIs, ensuring modularity and maintainability.
• Developed responsive and dynamic frontend components using ReactJS and Node.js, integrating with backend services via Axios/fetch.
• Engineered core services such as Employee Profile Service, User Service, Payroll Service, and Document Generation Service, enabling real-time payroll processing and reporting.
• Managed data persistence and performance using MySQL, writing optimized queries and using JPA for ORM mappings.
• Participated in Agile ceremonies: daily stand-ups, retrospectives, sprint planning, and backlog grooming to ensure on-time delivery.
• Conducted unit testing, SIT (System Integration Testing), UAT (User Acceptance Testing) and coordinated production deployments.
• Collaborated with cross-functional teams to resolve production issues, improve UI/UX, and optimize system performance.
• Used version control systems like Git/GitHub, and followed CI/CD pipelines for deployment.

Role and responsibilities

• Worked across all areas of ePublishing, including content conversion, document structuring, and semantic tagging for scientific paper publishing.
• Hands-on experience with LaTeX production, supporting math-heavy and scientific document formatting.
• Demonstrated expertise in TeX-to-XML conversion, enabling seamless downstream processing into EPUB and web formats.
• Proficient in eBook production tools such as Epsilon, with a strong understanding of Elsevier Journal XML standards and DTD compliance.
• Converted content from PDFs, scanned images, and paper to structure XML, HTML, Word, and other formats per client requirements.
• Utilized semantic HTML/CSS effectively to enhance accessibility and content structure in EPUB files, aligning with WCAG and device compatibility standards.
• Designed and developed backend logic using Java for XML-to-PDF and Word document generation using libraries like Apache POI, iText, or Docx4j.
• Built and deployed document generation services (DocuGen) as RESTful APIs integrated with publishing workflows.
• Supported system testing, deployment, and post-production maintenance for document generation pipelines.
• Ensured quality and consistency through validation scripts and automated content checking tools.

• Built a dynamic CRM system using Angular, TypeScript, JavaScript, HTML, and CSS for a seamless user experience.
• Designed a fully responsive UI with Bootstrap and Angular Material, ensuring mobile-friendly and modern layouts.
• Developed interactive features like form validation, routing, and data binding using TypeScript and JavaScript.
• Integrated real-time API calls in Angular to fetch and display customer data efficiently. Used GitHub for version control, managing project updates and collaborative development.

• AWS training and learning
• Jun-2021 to Feb-2022 , worked as intern in Renault Nissan as Auto Cad Junior designer