**Harshini**
Email: djava1036@gmail.com
Phone: +1 469 722 1748

### **PROFESSIONAL SUMMARY**
- 8+ years of software development experience in requirements analysis, design, coding, testing, and production support of scalable, multi-tier distributed fault-tolerant enterprise applications.
- Expertise in **Agile methodologies (TDD, SCRUM)** and **J2EE design patterns (Session Façade, Singleton, Factory Method, DAO, Front Controller, Delegate Pattern, SOLID principles)**.
- Strong **Core Java** background with experience in **Collections, Multi-Threading, Java 8, Interfaces, RMI, Serialization, Synchronization, Exception Handling, OOPs, Logging, and Performance Tuning**.
- Experience in **AWS (EC2, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups)** and **web technologies (HTML5, CSS3, JavaScript, TypeScript, Angular, React, Node.js, jQuery)**.
- Proficient in **Spring Boot, Spring Cloud, Docker, Maven, Hibernate, Django, Flask, Kafka, Microservices, REST/SOAP APIs, OAuth2.0, PL/SQL, and SQL**.
- Hands-on experience with **testing frameworks (Jasmine, Karma, Jest, Mocha, Chai, JUnit, Mockito, Selenium, Cucumber)**.
- Skilled in **CI/CD tools (Jenkins, GitLab Pipelines, GitHub, Bitbucket, SVN)** and **cloud deployment (AWS, Azure)**.
- Knowledge of **Big Data technologies (Spark, HDFS, Redshift, Snowflake)** and **NoSQL databases (MongoDB, DynamoDB)**.

### **TECHNICAL SKILLS**
- **Languages:** Java, J2EE, C, C++, SQL, PL/SQL, R, Python, Scala
- **Frameworks:** Spring (Core, MVC, Boot, Cloud, AOP, Batch), Hibernate, Struts, JSF, Django, Flask
- **Web Technologies:** HTML5, CSS3, JavaScript, TypeScript, Angular, React, Node.js, jQuery, AJAX, JSON
- **Cloud & DevOps:** AWS (EC2, S3, RDS, Lambda, VPC, CloudFormation), Docker, Kubernetes, Jenkins, Maven, Git
- **Databases:** Oracle, MySQL, PostgreSQL, DB2, MongoDB, DynamoDB, HDFS, Redshift
- **Testing Tools:** JUnit, Mockito, Jasmine, Karma, Jest, Mocha, Chai, Selenium, Cucumber
- **Other Tools:** Eclipse, IntelliJ, STS, Postman, SOAP UI, IBM MQ, Kafka, ELK Stack

### **PROFESSIONAL EXPERIENCE**

#### **Apple, Austin, TX**
**Role:** Sr. Java Full Stack Developer | **March 2020 – Present**
- Developed **RESTful APIs** using **Node.js** and **Spring Boot**, ensuring seamless frontend-backend communication.
- Built **Single Page Applications (SPAs)** using **React, Angular, HTML5, CSS3, and JavaScript**.
- Deployed applications using **Jenkins CI/CD pipelines** and managed **AWS infrastructure (EC2, S3, RDS, Lambda, VPC)**.
- Implemented **Apache Kafka** for real-time data processing and **Spark for ETL pipelines (HDFS, Redshift)**.
- Utilized **Spring Cloud (Eureka, Ribbon, Hystrix, Zuul)** for microservices architecture.
- Worked with **GitHub, Jira, IntelliJ, Docker, Kubernetes**.

#### **DXC Technology, Topeka, KS**
**Role:** Full Stack Developer | **May 2019 – Feb 2020**
- Developed **RESTful APIs** using **Node.js, Express.js, and MongoDB**.
- Implemented **Snowflake** for data warehousing and **AWS (EC2, S3, Lambda)** for cloud deployment.
- Used **Spring IOC, Hibernate, JPA** for backend development and **Angular 10** for frontend.
- Worked with **IBM MQ, JDBC, PL/SQL, PostgreSQL, and DB2**.

#### **Alliance Bernstein, Nashville, TN**
**Role:** Java Full Stack Developer | **Feb 2018 – April 2019**
- Built **Microservices** using **Spring Boot** and deployed on **AWS EC2**.
- Developed **SPAs** using **Angular, HTML5, CSS3, and JavaScript**.
- Worked with **PostgreSQL, Hibernate, Spring Batch, and REST APIs**.

#### **RWaltz Group Inc, India**
**Role:** Java Developer | **May 2016 – Dec 2017**
- Developed **Struts MVC-based applications** and deployed on **WebSphere/Tomcat**.
- Used **JUnit, Mockito, Log4j, Maven, SVN, Oracle, MySQL**.

#### **Accel Frontline, India**
**Role:** Java Developer | **Aug 2015 – April 2016**
- Developed **web applications** using **JavaScript, jQuery, AJAX, HTML5, CSS3**.
- Worked with **Spring IOC, JBoss, MySQL, JIRA**.

### **EDUCATION**
*(Include education details if applicable)*

### **CERTIFICATIONS**
*(List relevant certifications if any)*

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