Robin Mejo AM
Marthandam
Overview
4
4
years of professional experience
Work History
Senior Systems Engineer
INFOSYS LIMITED
Trivandrum
11.2021 - Current
- Contributed to development and maintenance of 10+ backend applications and 3 frontend applications in enterprise environments.
- Designed and developed Spring Boot REST APIs that reduced data upload time from 24 hours to 1 minute through optimized backend processing.
- Enhanced performance by 80% by refactoring monolithic backend logic into multiple REST APIs integrated with Angular.
- Implemented security best practices to reduce vulnerabilities and safeguard data.
- Identified and remediated application vulnerabilities through security scans and vulnerability assessments.
- Developed single-page applications with token-based access checks to prevent breaches and ensure user experience.
- Executed complex queries and stored procedures in PostgreSQL and MySQL environments.
- Employed AI-based code tools like SonarQube and GitHub Copilot for code refactoring, improving maintainability.
Skills
Backend (Primary)
- Java 8, Spring Boot, Spring MVC
- Spring Security, JWT authentication
- RESTful APIs, JPA, and Hibernate
- Microservices fundamentals
Database
- MySQL, PostgreSQL
- Joins, Indexing, Transactions
- Stored Procedures, Query Optimization
Frontend (Supportive)
- Angular (CRUD, API integration, forms)
- HTML, CSS, TypeScript
Tools & Practices
- Git, Postman, SonarQube
- Secure coding practices
- Basic CI/CD exposure
- Docker (basic containerization and deployment exposure)
- Vulnerability assessment and remediation (security scans)
Certifications
- Java SE, Spring Boot (REST, JPA, Security)
- SQL (MySQL)
- Angular
- Networking and web technology
Awards
- 2022, Insta Award by Infosys, MSAL Auth, and Trip Module Impl
- 2023, Appreciation Badge by Infosys, Angular upgrade for an old application
- 2024, Insta Award by Infosys for dedication and commitment to work
Summary
- Java Full Stack Engineer with 4 years of experience in enterprise application development
- Strong backend expertise in Spring Boot, JPA/Hibernate, and SQL
- Designed and developed scalable RESTful APIs consumed by Angular applications
- Implemented authentication, authorization, and secure coding practices
- Focused on performance optimization, clean backend architecture, and system modernization
Personal Projects
PharmaCare Application – Java Full Stack
🔗 Live Demo: https://pharmafrontend.netlify.app/
- Built a full-stack PharmaCare application using Angular (SPA) and Spring Boot REST APIs.
- Designed backend services with Spring Boot, JPA/Hibernate, and MySQL for managing medicines, users, and orders.
- Implemented JWT-based authentication and role-based access control.
- Developed Angular frontend with CRUD workflows, validations, and seamless API integration.
- Applied security and validation checks to prevent unauthorized access and data inconsistencies.
Portfolio Link
https://responsive-portfolio-robin.netlify.app/#home
Timeline
Senior Systems Engineer
INFOSYS LIMITED
11.2021 - Current