Zaheer

About Zaheer

I am a dedicated Java Spring Boot Backend Developer with strong hands-on experience building real-world backend applications that include complex business logic, multi-entity relationships, authentication & security, tax calculations, APIs, and database operations.My expertise includes:Java 8+, OOP, Collections, Streams, MultithreadingSpring Boot, Spring MVC, REST API DesignSpring Security + JWT for authentication & authorizationJPA/Hibernate, Entity Relations, Lazy/Eager loadingMySQL/PostgreSQL (queries, schema design using DBeaver)DTO mapping, ModelMapper, Project LombokGradle/Maven, IntelliJ, Git, GitHub, PostmanJUnit Testing, SonarLint, code quality practicesI have created complete backend systems such as:Full Billing & Inventory Management backendProduct-level inclusive/exclusive GST handlingAuto stock updates on purchases & salesDiscount logic, previous due balance trackingClean, reusable service-layer architectureContoller-level validations and global exception handlingMy 6-month experience at Amazon sharpened my communication, customer empathy, and analytical thinking — skills I now apply to writing clean, reliable backend code.I am actively seeking opportunities as a Java Backend Developer / Spring Boot Developer, where I can contribute to building scalable backend systems and continue growing as a developer.

Experience

1. Customer Support Associate

   Amazon

   Sep 2024 — Present · IN

   Worked as a Customer Support Associate handling customer issues through email/chat/voice with a focus on accuracy and professionalism.Key Responsibilities:Resolved customer queries with high accuracy and empathyPerformed root-cause analysis to identify and solve recurring issuesMaintained quality, productivity, and communication standardsWorked with internal tools, portals, ticketing systems, and documentationCollaborated with teams for escalations and issue reportingThis role improved my communication, problem-solving, and analytical skills — qualities I now use in backend development.

Education

• Tech Mahindra Smart Academy

  AWS re/start Graduate, AWS Cloud Practitioner

• Rayalaseema University, Kurnool

  Bachelor of Science - BS, Computer Science