Full Stack Engineer with 4+ years in Java, Spring Boot & ReactJS
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Full Stack Java Developer with 4 years of experience designing, developing, and deploying scalable enterprise web applications using Java, Spring Boot, ReactJS, and AWS. Expertise in RESTful API development, Microservices architecture, Hibernate ORM, MySQL, and JWT-based security implementation. Delivered high-availability production systems for U.S. clients in the Insurance domain at AU Technology Consulting Private Limited. Proficient in full SDLC, Agile/Scrum, object-oriented design, performance optimization, root cause analysis, and cross-functional team collaboration. Seeking Full Stack Developer or Backend Java Developer roles in product-based companies.
Bharath University
Bachelor of Engineering (B.E.)
N/A – June 30, 2022
AU Technology Consulting Private Limited
Full Stack Developer
August 1, 2022 – Present
Chennai, Tamil Nadu, India
Nivory - Insurance Management System
August 1, 2022 – May 31, 2026
Web-based InsurTech platform enabling 1000+ U.S. policyholders to view policy details, track premium due dates, check bonus amounts, and process online premium payments securely without visiting an office, digitizing the complete insurance workflow and reducing manual processing by 60 percent. Architecture: MVC and Microservices-based design - ReactJS frontend communicates via REST APIs with Spring Boot controllers, delegating to Service layer with JWT security filter, persisting via Hibernate ORM to MySQL on AWS RDS, deployed on AWS EC2 with S3 for document storage. Key Modules and Features: Security Module: JWT authentication and RBAC using Spring Security - token generation on login, validation on every API request, role-based endpoint access control for policyholders and admin users. Policy Management: REST APIs with GetMapping, PathVariable, RequestParam, and server-side pagination to fetch active and expired policies, premium amounts, due dates, and bonus details with optimized MySQL queries. Payment Processing: POST API with Valid annotation, idempotency key validation, database-level unique constraints for duplicate prevention, transaction recording, and real-time payment confirmation to ReactJS UI. Customer Profile: PUT and PATCH APIs with Hibernate entity mapping, input validation, and custom exception handling for full and partial profile updates. Logging and Monitoring: SLF4J and Log4j integration for structured API request logging, payment audit trail, and error event tracking for production monitoring. AWS Deployment: Application hosted on EC2, MySQL on RDS, documents on S3, with environment-specific Spring Boot profiles for dev, UAT, and production. Real-Time Challenges Solved: Fixed Hibernate LazyInitializationException using Transactional boundaries and fetch strategy configuration - eliminated recurring production errors. Resolved concurrent payment duplication with idempotency keys and unique database constraints - ensured zero duplicate transactions in production. Optimized API performance from 4 seconds to 800 milliseconds (80 percent improvement) via HQL rewriting, composite MySQL indexing, and result pagination. Implemented API versioning (api/v1/) for backward compatibility during feature upgrades without breaking existing U.S. client integrations. Testing: 50+ Postman test cases covering happy path, edge cases (invalid IDs, expired policies, duplicate payments), and error response validation across all REST API endpoints. Impact: 60 percent reduction in manual office visits, improved policyholder satisfaction, and zero production payment failures for Amerisuare Cos U.S. client.
Cultural Fit Analysis
The psychometric test score of 0 raises serious concerns about the candidate's cultural fit, as it directly evaluates attributes like work attitude and team collaboration. Without a passing score, there is insufficient evidence to suggest a positive cultural fit.
Soft Skills & Operational Fit
The psychometric test score of 0 indicates significant concerns regarding logical reasoning, work attitude, stress handling, and team collaboration. This suggests a potential lack of operational fit and critical soft skills required for a senior role. Insufficient data to assess positive soft skills.