Results-driven Java Developer with 6 years experience

Name: Ruchita K

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

Phone No: 682-***-****

Linkedin: https://www.linkedin.com/in/r-s-padma-k/

PROFESSIONAL SUMMARY:

Results-driven Java Developer with around 6 years of experience in designing, developing, and maintaining enterprise-grade applications across different domains. Proven expertise in building scalable microservices and distributed systems using Java 8/11, Spring Boot, Spring MVC, and Hibernate.

Skilled in modern SDLC practices including Agile/Scrum, CI/CD, and DevOps with hands-on experience in Docker, Kubernetes, AWS, and APIGEE Edge. Proficient in RESTful and SOAP web services, OAuth2/JWT security, and real-time data processing using Kafka, RabbitMQ, and ActiveMQ.

Strong background in frontend development using Angular (up to v14), TypeScript, and Bootstrap, with robust backend integration. Experienced in working with SQL (Oracle, PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra) databases.

Solid understanding of design patterns, TDD, and performance optimization. Adept at collaborating across cross-functional teams, driving initiatives from design through deployment, and ensuring robust, secure, and high-performing solutions.

TECHNICAL SKILLS:

Languages

Java 8 / 11 / 17, JavaScript, TypeScript, SQL, PL/SQL, Python (basic)

Backend Frameworks

Spring Boot, Spring MVC, Spring Security (OAuth2/JWT), Spring Data JPA, Spring AOP, Hibernate, JPA, Spring Batch

Microservices & APIs

RESTful APIs, SOAP, Swagger/OpenAPI, FHIR APIs, WebSockets, Apigee Edge, MQ (IBM MQ, ActiveMQ), Kafka

Frontend

Angular, React.js, HTML5, CSS3, SCSS, Bootstrap, JavaScript, jQuery

Cloud Platforms

AWS (EC2, S3, RDS, Lambda, CloudFormation, CloudWatch, IAM), WCNP (Walmart Cloud Native Platform), OpenShift

DevOps & CI/CD

Git, GitHub, GitLab, Bitbucket, Jenkins, GitLab CI/CD, TeamCity, Bamboo, Maven, Gradle, Ant, SonarQube, Snyk

Containers & Orchestration

Docker, Kubernetes

Databases

Oracle, PostgreSQL, MySQL, SQL Server, MongoDB, Cassandra, Azure SQL

Monitoring & Logging

Splunk, OpenObserve, Log4j, Spring Boot Actuator

Testing Tools

JUnit 5, Mockito, Cucumber, Selenium, Jasmine, Karma, Protractor, Postman, SOAP UI

Methodologies & Tools

Agile (Scrum), JIRA, Confluence, Gitflow, Trunk-based Dev, UML Tools (StarUML, Enterprise Architect)

Rules & Workflow Engines

Drools, JBPM

EDUCATION DETAILS:

University of Texas at Arlington (Jan 2022-May 2023)

Master of Science MS- Data Science [3.9/4 CGPA]

Relevant Coursework: Foundation of Computing, Data Science, Probability and Statistics,

Database Systems, Web Data Management, Artificial Intelligence, Project Management.

VNR Vignana Jyothi Institute of Engineering and Technology (Aug 2014 - May 2018)

Bachelor of Technology, Electronics and Communication Engineering [9.04/10 CGPA]

PROFESSIONAL EXPERIENCE:

Client: Walmart, Bentonville,AR Jul 2024 – Jan 2026

Role: Software Engineer

Project 3: Walmart Intl- Atlas: Dec 2025- Jan 2026

Responsibilities:

Led the Mexico Ambient Market database purge initiative, implementing code changes for the new scheduled cron job and successfully deploying the solution through all environments up to production. Performed endtoend validation across all 11 Atlas DC components to ensure stability and data integrity.

Progressed development for Rapid Relayer enhancements on the Shore and Loading components for Mexico sites to meet SOX compliance requirements. This included analyzing existing flows and aligning them with compliance standards.

Implemented critical code updates on the Main Merge version, identifying and integrating the necessary CCM properties to enable the Rapid Relayer Outbox pattern for existing Kafka-based intermodule communication. This ensured improved reliability and traceability of message flow.

Diagnosed and resolved multiple build and deployment issues on the Main Merge version, restoring successful pipeline execution and ensuring seamless integration for subsequent development activities.

Utilized Github Copilot, Windsurf to enhance the written code and for writing better unit test cases.

Project 2: SAMS EI – Hawkshaw Integration: Sept 2025- Nov 2025

Responsibilities:

Performed end-to-end validation of Hawkshaw Integration, a SOX-compliant centralized audit system within the SAMS-EI environment.

Validated event flow from source systems through EI services, ensuring Hawkshaw-related Kafka events were correctly generated and processed.

Designed and executed positive and negative test cases for CLUB pipeline components interacting with Hawkshaw, including sams-ingestion-parent, oi-store, RTAG, and PIT.

Conducted sanity testing after code changes triggered by PR review comments to maintain system integrity.

Checked in the COSMOS DB whether the existing pipeline is not affected by this integration and all the related logs for the application I have checked in the Kubernetes pods.

Collaborated with source teams to verify event generation and compliance with audit requirements.

Project1 : eWMS ATLAS -Sams FC (Outbound) Jul 2024 – Aug 2025

Responsibilities:

Developed and maintained scalable microservices using Java 1.8, Spring Boot, and Kubernetes, deployed via GitLab pipelines on WCNP (Walmart Cloud Native Platform) to support Sam’s Club eCommerce fulfillment Atlas project.

Enhanced Allocation Planner (AP) by implementing Hazmat flag logic, integrating Azure SQL, Kafka, and Docker, and adding a scheduled cron job for database discrepancy alerts.

Optimized and refactored APIs in the Order Tracker module to improve data accuracy and UI performance, and introduced Factory Design Pattern to eliminate hard-coded market flags.

Improved code quality and maintainability by writing unit tests (JUnit 5, Mockito), addressing SonarQube issues (code smells, vulnerabilities, Snyk fixes), and ensuring high coverage.

Analyzed and tuned MQ configurations, reducing excess consumers, and enhanced API performance by shifting from synchronous to asynchronous communication, resolving Kafka consumer lags via Lenses.

Used Splunk and OpenObserve to investigate logs and fix critical QA and production issues; collaborated with cross-functional teams for faster resolution and smoother deployments.

Exposed REST APIs in support services to update backend tables and publish events; integrated CCM2 with the LPAAS React-based web application for improved UI functionality.

Contributed to HLD/LLD documentation and supported cost optimization efforts by reducing CPU/memory allocations in KITT files across QA, staging, and production environments.

Followed agile methodology and involved in daily SCRUM meetings, sprint planning, showcases and retrospective and used JIRA as a tracking tool for the sprints.

Tools & Technologies:

Java 1.8 Spring Boot 2.3 Azure SQL Kafka Docker Kubernetes GitLab WCNP (Walmart Cloud Native Platform) JUnit 5 Mockito SonarQube Splunk OpenObserve MQ Lenses React.js REST APIs CCM2 LPAAS Cron Jobs Design Patterns (Factory) Postman

Client: American Express,Phoenix AZ Jul 2023 – Jun 2024

Role: Fullstack Java Developer

Responsibilities:

Migrated legacy applications to Java 11 and Spring Boot 3.x, improving maintainability and leveraging features such as the enhanced Stream API, Optional improvements, and var keyword for cleaner code.

Designed and developed RESTful microservices using Spring Boot, Spring Data JPA, Hibernate, and integrated with MQ, SOAP, FHIR APIs, and JSON for secure vendor authorizations in the banking domain.

Built responsive web applications with Angular (v9–13), React.js, HTML5, SCSS, and Bootstrap, using reactive and template-driven forms for dynamic validations and enhanced user experience.

Created internal tooling for vendor onboarding and FHIR sample generation using Angular and Node.js.

Deployed microservices on Kubernetes and OpenShift, with end-to-end CI/CD automation via Git/Bitbucket and Jenkins.

Designed databases for both relational (Oracle, PostgreSQL) and NoSQL (MongoDB) systems, ensuring data consistency and optimized performance.

Implemented Spring Security, AOP, and Actuator for security, logging, and performance monitoring of microservices; utilized JUnit, Mockito, and SonarQube for TDD and code quality.

Integrated SSO across multiple SaaS and internal platforms; configured CyberArk EPM for least privilege access and protection against credential theft.

Experienced in Gitflow, trunk-based development, and contributed to architecture discussions, low-level designs, and system optimizations.

Conducted Proof of Concepts using Node.js and MongoDB to evaluate lightweight microservice solutions for financial applications.

Technologies & Tools:

Java 11 Spring Boot 3.x Spring Security Spring Data JPA Hibernate AWS Kubernetes OpenShift Angular (9–13) React.js Node.js MongoDB PostgreSQL Oracle Kafka MQ REST/SOAP/FHIR APIs Jenkins Git/Bitbucket JIRA SSO Bootstrap

Client: Farmers Insurance(Accenture), India Jun 2021 – Dec2021

Role: Fullstack Java Developer

Responsibilities:

Contributed to the development of Spring Boot-based microservices exposing RESTful APIs for insurance policy and claim processing.

Took ownership of critical production issues, ensuring high availability of the insurance application through quick troubleshooting and resolution to minimize downtime.

Assisted in migrating services to AWS, integrating with EC2, S3, and Lambda for serverless data handling and cloud deployment.

Built responsive components using Angular and enabled real-time task updates via WebSockets.

Implemented CRUD operations, data persistence with PostgreSQL, and wrote unit tests using JUnit 5 to ensure reliability.

Integrated Kafka for messaging and worked with Drools for dynamic business rule execution in policy workflows.

Supported deployments using Docker and Kubernetes, and contributed to troubleshooting production issues in a cloud-native setup.

Technologies & Tools:

Java 11 Spring Boot Angular PostgreSQL AWS (EC2, S3, Lambda) Kafka Docker Kubernetes WebSockets Drools JUnit 5

Client:Next Era Energy (Infosys), India May 2018 – May 2021

Role: Fullstack Java Developer

Responsibilities:

Involved in design and development of energy data solutions using Agile methodologies across full SDLC, including sprint planning and code reviews.

Migrated legacy monolithic applications to Microservices Architecture using Spring Boot, deployed on AWS and Pivotal Cloud Foundry (PCF) for enhanced scalability and maintainability.

Developed Java-based RESTful and SOAP web services using Spring Boot, Spring MVC, Spring Security, and JPA/Hibernate for integration with energy monitoring and device management systems.

Consumed and produced APIs using RestTemplate, JAX-RS, JAX-WS, and Swagger for seamless interoperability between internal and third-party systems.

Utilized OAuth2.0 and Spring Security for secure access to sensitive energy data and real-time operational dashboards.

Implemented Java 11 features (e.g., file read/write methods, functional interfaces) and Java 8 enhancements (Streams, method references) for optimized code.

Built UI components using Angular 8, integrated with backend services, and tested using Jasmine, Karma, and Protractor for end-to-end validation.

Developed batch jobs and schedulers to process and analyze large energy datasets; used PL/SQL, Oracle, MySQL, and MongoDB for managing structured and unstructured data.

Composed and executed MongoDB scripts to store sensor data from distributed smart energy devices.

Set up and managed cloud infrastructure: AWS EC2, RDS, S3, Auto Scaling, AMI, and Python SDK scripts for automation and monitoring.

Created Docker containers and deployed services to Kubernetes clusters, enabling cloud-native architecture and CI/CD pipelines with Jenkins, GitHub, and Maven.

Utilized Apache Kafka for real-time message streaming between distributed services and device data consumers.

Applied Drools for managing dynamic business rules related to energy usage thresholds and grid alert systems; integrated JBPM for workflow automation.

Conducted BDD testing using Cucumber, supported by Selenium and JUnit, ensuring robust validation of energy management use cases.

Maintained logging and monitoring using Log4j, managed build lifecycle with Maven, and tracked tasks and issues via JIRA.

Technologies&Tools:

Java 8/11 Spring Boot Angular 8 Hibernate JPA AWS (EC2, S3, RDS, Lambda) PCF Kafka MongoDB Oracle MySQL Docker Kubernetes Jenkins Git REST/SOAP OAuth2.0 Swagger JUnit Mockito Cucumber Jasmine Karma Selenium Log4j JIRA Drools JBPM Python SDK

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