Stack Developer Spring Boot

ANUHYA PACHIKA

Sr. Java Full Stack Developer

Mobile: +1-913-***-****

Email: ***********@*****.***

Linked IN: www.linkedin.com/in/anuhya-pachika

PROFESSIONAL SUMMARY

Senior Java Full Stack Developer with 10+ years of experience in design, development, testing, deployment, and production support of enterprise-grade applications across diverse domains.

Strong expertise in Object-Oriented Programming (OOP), Object-Oriented Design (OOD), and Object-Oriented Analysis (OOA) with a deep understanding of software engineering principles.

Proficient in building RESTful Microservices using Java 8/11/17, Spring Boot, JAX-RS, AngularJS (SPA), and integrating with enterprise backends.

Extensive experience in Java/J2EE technologies, including Servlets, JSP, JSTL, JDBC, JMS, JNDI, EJB, JPA, and enterprise application development using Oracle databases.

Skilled in Spring Framework (Spring MVC, Spring Security, Spring Boot, Spring AOP) and ORM frameworks such as Hibernate, implementing both XML-based and annotation-driven configurations.

Expertise in developing full-stack applications using Angular (6/8/9/11/14), ReactJS, Redux, Vue.js, NodeJS, HTML5, CSS3, Bootstrap, and JavaScript frameworks.

Deep experience in Cloud Platforms such as AWS (EC2, S3, Lambda), Azure, GCP, implementing Docker, Kubernetes, Terraform, and PCF (Pivotal Cloud Foundry) for scalable cloud deployments.

Hands-on in Big Data and Real-Time Data Solutions using Apache Kafka, Spark Streaming, Hortonworks, Cloudera-CDH, AWS Glue, Redshift, and Snowflake.

Practical experience in DevOps CI/CD pipelines using Jenkins, Maven, Gradle, Docker, Chef, Ansible, and monitoring using Splunk, ELK Stack, AppDynamics, and New Relic.

Expertise in implementing security protocols such as OAuth 2.0, JWT Authentication, and proactive application vulnerability scanning using VeraCode.

Extensive hands-on experience in SQL databases like Oracle, MySQL, PostgreSQL, SQL Server, and NoSQL databases like MongoDB, Cassandra, GraphQL, and CouchDB.

Developed data synchronization pipelines between MongoDB, Elasticsearch, and Kafka to ensure real-time distributed data availability.

Experience with API Management using MuleSoft Anypoint Platform and designing scalable APIs with API Gateway configurations.

Proficient in Test-Driven Development (TDD) with JUnit, Mockito, Selenium, Postman, JIRA, and implementing robust unit and integration testing frameworks.

Strong experience in building scalable, reactive applications using Spring WebFlux and WebSocket technologies for asynchronous and non-blocking system architecture.

Skilled in Shell scripting, Python scripting, and automation tasks for DevOps, system administration, and cloud resource management.

Expertise in using development tools like Eclipse, IntelliJ IDEA, NetBeans, Visual Studio Code for efficient coding and debugging.

Familiar with enterprise application servers such as WebLogic, JBoss, Tomcat, and cloud container services like EKS, GKE, and OpenShift.

Strong understanding of Agile methodologies (Scrum, Sprint Planning, Retrospectives) and active participation in Agile ceremonies for faster and quality-driven deliveries.

Adept at mentoring junior developers, conducting code reviews, leading sprint ceremonies, and driving Agile transformation initiatives.

Excellent interpersonal skills, communication skills, strong analytical mindset, and a passion for delivering high-quality, scalable, and maintainable software solutions.

TECHNICAL SKILLS

Programming Languages

Java 11, Core Java, C, SQL.

Software Methodologies

Agile, Scrum, SDLC, Waterfall.

J2EE Technologies

Java Beans XSD, JAX-RS, JAX-WS, SOAP, WSDL.

Web Technologies

HTML, JavaScript, AJAX, Bootstrap, JSON, Angular, React JS, Kubernetes.

Web Service Frameworks

Spring 4.3, Hibernate 4.3, Struts (2.5/2.3), Spring MVC, Spring IOC, Spring Boot, Spring AOP, Kafka

Web Services

SOAP,

Testing Tools/Others

JUnit, Mockito, Log4J, Postman.

Technologies/Tools

AWS, EC2, Azure, Docker, JIRA

Build Tools

Maven 3.3.9, Ant 1.10, Grade 3.4.1, Jenkins

Version Control Tools

GIT, GITHUB 2.12.0, SVN, Bit Bucket.

Application/Web Servers

Web Logic Server 12c, Apache Tomcat (8.5/8.0), Apache HTTP Server, Joss.

IDE Tools

Spring Tool Suite 3.8.3, Eclipse, IntelliJ IDEA 2017.1, NetBeans, Visual Studio.

Operating Systems

Windows, Linux, Unix, Mac OS

Blue Cross and Blue Shield, Chicago, IL June 2023 – Present

Role: Sr. Java full-stack Developer

Integrated a secure payment gateway within a Java-based e-commerce platform, ensuring data protection through HTTPS encryption and adherence to PCI-DSS standards.

Developed highly responsive front-end applications using Angular 11, React.js, TypeScript, HTML5, CSS3, and Bootstrap, resulting in improved UI/UX for insurance portals.

Leveraged Spring WebFlux to build asynchronous, non-blocking REST APIs, enhancing performance and scalability under concurrent load conditions.

Deployed Spring Boot microservices as Docker containers on AWS EC2, streamlining application delivery through Jenkins-based CI/CD pipelines.

Integrated MongoDB and Cassandra for high-throughput NoSQL storage, implementing sharding and replication strategies for optimized performance.

Built Node.js backend services using Express.js, supporting seamless REST API integration and orchestrated with Gulp, Grunt, and Bower for build automation.

Applied Jasmine, Karma, Protractor, and Selenium to execute robust unit, integration, and end-to-end testing across front-end and backend services.

Consumed SOAP web services using JAX-WS, validated interactions with SOAP UI, and developed modern RESTful APIs using Spring Data REST.

Engineered PL/SQL stored procedures, views, and triggers for data automation and consistency within Oracle and PostgreSQL environments.

Created modular React components using custom hooks, applied React Router for client-side routing, and improved rendering speed through lazy loading techniques.

Collaborated with cross-functional Agile teams, participated in daily stand-ups, sprint planning, retrospectives, and used JIRA for task tracking and progress monitoring.

Integrated Apache Kafka for real-time data streaming, and used ELK Stack (Elasticsearch, Logstash, Kibana) for monitoring and analyzing message failures.

Automated Cassandra deployments and monitoring scripts to ensure high availability, backup, and recovery for distributed data.

Implemented DevOps practices with Jenkins, Git, Maven, and Azure DevOps, managing CI/CD pipelines and ensuring reliable build-release cycles.

Created AWS CloudFormation templates to provision infrastructure as code, ensuring reproducible environments for development and production.

Deployed observability solutions using AWS CloudWatch and Dynatrace, enhancing system visibility and reducing time to resolution for production issues.

Conducted vulnerability scans using Veracode and SonarQube, resolved code flaws, and enforced OWASP Top 10 security standards during development.

Developed cloud-native microservices using Spring Boot and Spring Cloud Config, and managed orchestration via Kubernetes for service scaling.

Integrated Spring Security and JWT authentication to implement secure access control and protect endpoints in distributed microservices.

Actively participated in technical design discussions, contributed architectural recommendations, and conducted peer code reviews to improve code quality and maintainability.

Tuned SQL queries and improved database performance with proper indexing, execution plans, and query optimization techniques in Oracle/PostgreSQL.

Configured Nginx reverse proxy and secured API gateways to ensure high availability and protection of internal services.

Developed custom REST error handlers and exception controllers to provide clear and standardized response formats across the platform.

Built reusable Angular services, interceptors, and form modules, ensuring consistent communication with back-end REST APIs and maintaining UI performance.

Environment: Java 11, Vera code, Spring Boot, Spring MVC, MongoDB, Hibernate 4.0, Apache CXF, AJAX, UML, MS Visio, JSTL, Oracle 11g, Eclipse 4.2, Junit, Log4j, Maven 3.1, AWS, Node JS, Angular11, HTML5, CSS3, Toad, Hudson, NodeJS, C’mon, Sun Jersey, Junit 4.1, JIRA, Rally, Free marker, Apache POI, Quartz Scheduler, Drools BRMS, GIT.

Delta Airlines, Atlanta, GA Nov 2021 to May 2023

Role: Full Stack Java Developer

I Applied Agile and Scrum methodologies across the SDLC, contributing to sprint planning, backlog refinement, daily stand-ups, and retrospectives to ensure timely and high-quality software releases.

Designed and implemented responsive UIs using React.js (15.x/16.x), Redux, HTML5, CSS3, Bootstrap, and LESS, delivering scalable, cross-browser compatible web applications.

Built modular and reusable React components, contributing to a shared component library to promote maintainability and consistency across multiple projects.

Developed reactive microservices using Spring Boot and Spring WebFlux, enabling non-blocking I/O and high-concurrency request processing.

Integrated WebSocket for real-time communication features such as live chat and streaming updates, enhancing user interactivity.

Integrated Python scripts into Jenkins pipelines for post-deployment verification and Slack notification triggers.

Designed data transformation jobs in Python for preparing reports based on REST API usage metrics.

Optimized front-end performance using React Profiler, lazy loading, and memoization, reducing load times and improving overall user experience.

Created and consumed RESTful APIs using Spring Boot, interacting with databases like MongoDB, PostgreSQL, and Couchbase via Spring Data JPA and Hibernate.

Developed complex PL/SQL procedures, triggers, and materialized views to support real-time data processing and dynamic report generation.

Followed Test-Driven Development (TDD) using JUnit and Mockito, ensuring robust test coverage and code quality.

Implemented asynchronous backend logic using Node.js, leveraging ES6 Promises and Generators to improve code readability and performance.

Developed Python scripts for health checks and monitoring of microservices deployed on Docker/Kubernetes clusters.

Automated application log cleanup, backup tasks, and Veracode report parsing using Python scripting

Deployed applications via Docker containers and Jenkins CI/CD pipelines, hosted on AWS EC2 and Pivotal Cloud Foundry (PCF) environments.

Managed cloud infrastructure using AWS (EC2, S3) and Azure Blob Storage, provisioning resources with secure IAM roles and policies.

Built real-time data pipelines by consuming Kafka streams with Apache Spark Streaming, improving analytics and alerting workflows.

Monitored logs and system health using Splunk, AWS CloudWatch, and Dynatrace, enabling proactive issue resolution and system observability.

Implemented JWT-based authentication using Spring Security, ensuring secure access to APIs and compliance with enterprise standards.

Used GIT, Maven, and Azure DevOps for version control, build automation, and seamless continuous integration/deployment (CI/CD).

Authored and maintained technical documentation, including HLDs, design specifications, and API contracts, facilitating knowledge sharing and onboarding.

Participated in peer code reviews and technical design discussions, promoting adherence to best practices and scalable architecture patterns.

Environment: Java 11, React.js v15. x and v16.x, HTML5, CSS3, JavaScript, Node.js v.11.0, Express.js v.4.17, Bootstrap 4.0, MongoDB v4, RESTful web services, SASS, Protractor, JIRA, Jenkins, Git 2.12, Gulp, Agile, Scrum, WebStorm, AWS, Maven, DB2, SQL, Log4j, Azure.

Express Scripts, St Louis, MO. Dec 2019 to Oct 2021

Role: Full Stack Java Developer

Demonstrated strong hands-on expertise in multithreading, the Executor Framework, and Concurrent Collections to build highly performant backend processes.

Proficient in Java multithreading, utilizing ExecutorService and Concurrent Collections for parallel task execution and high-performance applications.

Collaborated with cross-functional teams including Business Analysts and Architects to transform requirements into technical design specifications.

Participated in all phases of the SDLC, including requirement analysis, design, development, integration, deployment, and production support.

Built RESTful web services using Node.js and Express.js, enabling modular, scalable backend APIs.

Developed reusable TypeScript components and services in Angular 6, following a component-based architecture for better maintainability.

Constructed dynamic Single Page Applications (SPA) using React.js and integrated Redux for centralized state management.

Used React Router for handling secure and dynamic client-side navigation and routing.

Leveraged Webpack, Babel, and custom loaders to bundle and optimize web assets for production-ready React applications.

Integrated JWT-based security for authentication and authorization within Node.js and Angular applications.

Designed dashboard interfaces using AJAX, React, and Node.js for real-time reporting and analytics based on user activity and system metrics.

Performed asynchronous CRUD operations in MongoDB using Mongoose, along with schema validation and migration scripting.

Created Angular HTTP Interceptors to inject JWT tokens and manage secured communication between UI and backend services.

Configured mongo-connector pipelines to synchronize MongoDB clusters with Elasticsearch and other data sources.

Wrote optimized PL/SQL scripts for data reconciliation, medication tracking, and integrated them with backend APIs for real-time updates.

Set up and maintained Kafka clusters in QA and production environments, enabling reliable event streaming and messaging workflows.

Implemented test automation using Mocha, Chai, and Selenium, covering unit, integration, and functional testing scenarios.

Deployed containerized microservices on AWS EC2 and EKS using Docker, Kubernetes, and CI/CD pipelines via Jenkins.

Built operational dashboards using Grafana, integrating real-time metrics from Splunk and MongoDB for monitoring system health and performance.

Environment: Java 11, HTML5, CSS3, Typescript, REACT JS, REDUX, Chai, Angular 6, Mocha, Git, NPM, YARGS Grunt, Bower, Spring Security (JWT), MongoDB, Kafka, Node.js, Express, Jetty Server, AEM, Kubernetes, Docker, AWS, EC2, Jenkins, Splunk, Grana, Git, Pivotal Cloud Foundry, Selenium.

GOGO Air, Broomfield, CO April 2018 to Nov 2019

Role: Full Stack Java Developer

Adopted Agile Scrum methodology with structured 3-week Sprint cycles, actively participating in daily stand-ups, sprint reviews, retrospectives, and backlog grooming sessions.

Led development of a React-Redux application from scratch with modular, reusable, stateless/stateful components, ensuring scalability and maintainability.

Utilized AWS services and Puppet in a private cloud environment to automate provisioning and configuration of compute infrastructure.

Developed and executed Python scripts leveraging BOTO SDK and AWS CLI for automation of AWS resource management.

Engineered Apache Spark applications using Scala, benchmarking performance against Hive and SQL/Oracle for big data processing.

Applied deep expertise in AWS Cloud (EC2, IAM, S3, VPC) for deploying secure, scalable applications with cloud-native architectures.

Implemented backend modules including Initialization, Authorization, controller flows, and transaction persistence using Spring MVC and Hibernate.

Executed DevOps strategies in Linux and Windows environments, integrating CI/CD pipelines with Jenkins, Docker, GoCD, and Bamboo.

Built Node.js RESTful APIs to handle front-end AJAX/jQuery requests, enabling seamless backend communication.

Designed and optimized PL/SQL scripts, complex joins, subqueries, and integrated procedures with Kafka consumers for real-time telemetry ingestion.

Utilized Angular 6/7, TypeScript, and RxJS to implement reactive forms, validation logic, and modular components.

Employed Scala collections and functional programming paradigms to implement business logic for complex consumer datasets.

Delivered responsive UIs using HTML5, CSS3, JavaScript, adhering to cross-browser compatibility and W3C standards.

Developed automation scripts using Python and Boto3 SDK to manage AWS EC2, S3, and IAM resources for infrastructure provisioning.

Wrote Python-based shell utilities for system monitoring and deployment tasks across Linux environments.

Built custom scripts to process telemetry data and convert it into structured formats for ingestion into analytics pipelines.

Designed and deployed ETL pipelines using AWS Glue, processing Parquet files in S3-based Data Lake architectures.

Integrated with Redshift (MPP) and Snowflake, implementing columnar storage and loading nested JSON data from AWS S3 buckets.

Performed version control with Git, maintained Oracle database views and procedures, and deployed services on JBoss via Jenkins CI/CD.

Conducted system-level testing, defined testing strategies, and drove continuous integration/deployment improvements using Shell scripts, JavaScript, and Python.

Developed Spring-based microservices, exchanging data through REST APIs, ensuring smooth inter-service communication and data consistency.

Environment: Java 8, Spring Boot, Spring MVC, Angular7/6, Spring AOP, Hibernate 4.0, Oracle 11g, MongoDB, Docker, JBoss, Selenium, GIT, Bamboo CI, Chef, MongoDB, JMeter, Karma, AWS, Jasmine.

Calvin Technologies, Hyderabad, India. Sep 2013 to Nov 2016.

Role: Angular Developer

Redesigned the user interface for a server repair application using HTML5 and CSS3, resulting in a cleaner, more responsive layout that improved usability and aligned with accessibility standards.

Developed interactive UI components and implemented form validations using AngularJS directives, improving the reliability of user input and enhancing front-end responsiveness.

Integrated RFID data visualization features by leveraging both open-source and commercial HTML/CSS tag libraries, enhancing system navigation and data interpretation.

Executed unit testing using JUnit and created automated test scripts for Selenium-based integration testing, ensuring the stability and quality of application layers.

Followed the Waterfall model throughout the software development lifecycle, with clearly defined phases for requirement gathering, design, development, and testing.

Designed and implemented search functionality within internal tools using AngularJS and RESTful services, enabling efficient data retrieval based on role-based access controls.

Configured the AngularJS framework for scalable front-end development and built modular HTML views integrated with CSS3 and JavaScript for enhanced maintainability.

Contributed to back-end module development using Java, Servlets, JSP, JDBC, and DAO patterns, ensuring seamless interaction with the front-end and database.

Integrated RichFaces and MyFaces components within the JSF (JavaServer Faces) framework and configured necessary filters and servlets to support enhanced UI rendering.

Designed and maintained PL/SQL procedures for managing user roles, access permissions, and supporting real-time analytics dashboards for administrative workflows.

Implemented PL/SQL triggers, validation logic, and data migration routines to support database upgrades and ensure data consistency across application layers.

Applied MVC architecture using the Jakarta Struts framework and developed application components using Spring and Hibernate ORM, supporting layered enterprise application design.

Designed responsive web layouts using LESS CSS preprocessor and modern W3C-compliant HTML tags, ensuring cross-browser and mobile compatibility.

Built middleware services using Node.js and Express.js, integrating cookie-parser for secure session management and implementing REST APIs for client-server interaction.

Created reusable Angular components, pipes, and injectable services, including custom filters and dynamic dashboards, to promote modularity and code reuse across the application.

Participated in QA testing and User Acceptance Testing (UAT) cycles, assisting test teams in validating features and resolving issues by performing in-depth debugging and analysis.

Environment: HTML CSS, Spring, iBatis, Strust, JSF, EJB, JQuery, AJAX, DOJO, ExtJS, MySQL, TOAD, SQL, DB2, Coherence, Apache Axis2, WSDL, NetBeans, JBoss, Mercurial, Clear Case, selenium, Water Fall Model, JSP, Servlet, ANT, XML, I Text, EMC Documentum, GWT, Jira, Congo’s, jasper report.

Education qualifications:

Bachelor of computer Science - Kamala Institute Of Technology and Science-2013

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