Southen N

Southen N

Senior Java Developer @ Kaiser Permanente

About

With over 10 years of experience in Java and J2EE technologies, I excel in the analysis, design, implementation, and maintenance of large-scale applications across the Software Development Life Cycle (SDLC). My expertise spans a wide array of technologies and methodologies: - Proficient in micro services architecture, Spring Boot, Docker, Kubernetes, Spring Cloud, and React/Redux. - Skilled in Test-Driven Development (TDD), Behavior-Driven Development (BDD), and agile methodologies like Scrum. - Extensive experience in crafting RESTful web services using Spring MVC framework and developing SOA and J2EE Web Services. - Deep understanding of Object-Oriented Design (OOD) and Unified Modeling Language (UML) architecture. - Strong foundation in Core Java, JSP, JSF, Servlets, EJB, Spring, JDBC, and HTML/DHTML. - Hands-on experience with AWS services such as EC2, RDS, S3, DynamoDB, SQS, Lambda, and more. - Proficiency in Angular for client-side validations and RIA applications using Flex, HTML, JQuery, Angular JS, and Node JS. - Comprehensive knowledge of RDBMS databases including Oracle, SQL Server, DB2, and MySQL, along with PL-SQL. - Skilled in CI/CD pipelines using Jenkins, Maven, Docker, and familiarity with build tools like ANT and Maven. - Strong problem-solving skills, troubleshooting capabilities, and a commitment to excellence in delivery. - Adherence to industry best practices like Domain-Driven Design (DDD) and Richardson’s Maturity model. - Experienced in using tools such as Rational Rose, Quality Center, and JIRA for issue tracking and project management. I am dedicated to driving innovation and delivering high-quality solutions that meet the needs of businesses and users alike, with a focus on scalability, efficiency, and maintainability.

Country

-

City

United States

Industry

Information Technology & Services

Skill

Java8, REST, Microservices, SOAP, XML, Angular 11, Spring, Spring Boot, Spring MVC, Docker, , Confluence, Git, Jenkins, Kubernetes, Maven, Kafka, Meter, JBoss, Apache Tomcat, Active Mq, Splunk, POSTMAN., Java1.7, JSP2.0, Servlets2.4, EJB2.0, Struts1.2, Spring 2.0.3, JDBC3.0, Design patterns, , Html, XML, CSS, Log4j, Ant, SOAP, Web services, RAD6.0, , IBM WebSphere server6.1, IBM DB29.0, VSS, Junit, Maven., Java 1.8, Spring 2.5, NodeJS Hibernate, Spring JPA, Java Web Services (REST, JAX-WS), EJB 3.0, jQuery, Spring Boot, JavaScript, Bootstrap, GCP, Web services, , AWS, My Eclipse 10, PostgreSQL, Tomcat 8, Splunk, , GraphQL, Java Beans, Maven, SQL, Log4j, Azure, Confluence, UNIX Shell Script., Java, HTML5, CSS3, Typescript, REACT JS, REDUX Chai, Angular 7/6, Spring, Mocha, Git, NPM, YARGS Grunt, Bower, Spring Security (JWT), , MongoDB, Kafka, Node.js, Express, Jetty Server, AEM, Kubernetes, Docker, AWS, EC2, Jenkins, Splunk, Git, Pivotal Cloud Foundry, Selenium, HTML 5, CSS 3, JavaScript, Angular 8, Angular-Material, Node.js, Express, MongoDB, SCSS, FLEX-BOX, , DOCKER, APP CENTER, HTTP Module, Http Client Module, , MEAN STACK, NPM, Grunt, underscore.js, require.js, crypto.js, passport.js., HTML5, Java 1.8,

Experience

Kaiser Permanente

Senior Java Developer

Kaiser Permanente

LinkedIn
2024-5 - Present · 2 yrs 5 mos

Pleasanton, California, United States

Developing and maintaining the Get Care Now (GCN) platform, a virtual urgent care system serving millions across seven Kaiser Permanente regions. • Frontend Development: Built intuitive, responsive UI with ReactJS and Next.js, enhancing the patient experience for phone, video, and home healthcare visits. • Authentication & Security: Integrated Ping Authentication, FSSO, and SAML to ensure HIPAA-compliant security and data protection. • Performance Optimization: Leveraged Redis for caching and PostgreSQL for transactions, significantly improving load times. • Vendor & API Integrations: • Managed DexCare integration for seamless video visits between providers and patients. • Integrated Tempus for secure payments, ensuring accurate transactions. • Used Apigee API gateway for managing internal & external API traffic with Blue-Green deployments for zero-downtime updates. • Care Recommendations: Implemented location-based services, optimizing care options based on user proximity to healthcare providers. • Provider Portal: Developed DexCare Provider Portal, allowing clinicians to manage urgent care appointments. • Cloud & Infrastructure: Deployed and maintained AWS cloud infrastructure, ensuring high availability and scalability. • Monitoring & Troubleshooting: Used Blue Triangle, Dynatrace, and Splunk to detect and resolve performance bottlenecks. • Change Management: Engaged in ServiceNow for incident resolution and system updates. • Federated Identity Management: Integrated Ping Federate for Single Sign-On (SSO) across GCN, DexCare, and Tempus, streamlining user authentication. • Security Best Practices: Implemented JWT, OAuth, and SAML for session security and cross-platform authentication.

First Republic

Full Stack Developer,

First Republic

LinkedIn
2022-10 - 2024-4 · 1 yr 7 mos

San Francisco Bay Area

Summary: Experienced software engineer adept at designing and programming system-level software with a focus on microservices-based APIs and API endpoint implementation. Proficient in cloud-native frameworks, particularly pivotal technologies, alongside expertise in database systems and relevant programming languages. Skilled in Angular 11, Spring Framework, REST APIs, and system integration testing. Strong collaborator in agile environments, working closely with onshore Technical Leads and offshore Product Owners to refine backlog requirements. Extensive experience with Spring Boot, Spring MVC, Hibernate, and various front-end frameworks including Angular JS and React JS. Proficient in REST tools such as Swagger and Postman for testing HTTP requests and responses. Skilled in deploying, managing, and developing MongoDB clusters, as well as building Cassandra clusters on physical machines and AWS. Hands-on experience with Kafka message implementations and EC2, including setting up Kafka clusters and EC2 instances. Well-versed in Git for version control and JUnit for unit testing. Effective in tracking burn down, resolving issues, and participating in planning and implementation phases. Knowledgeable in functional testing methodologies and deployment automation.

Albertsons Companies

Java Developer

Albertsons Companies

LinkedIn
2021-1 - 2022-9 · 1 yr 9 mos

Arizona, United States

Experienced software engineer proficient in developing user interfaces, REST-based microservices, and backend systems using a variety of technologies and frameworks. Skilled in Java programming with a focus on Java 8 features, Spring Boot, Hibernate, and MongoDB for application development and persistence. Extensive experience in front-end development using JavaScript frameworks like Angular, ReactJS, and JSF with AJAX for creating interactive and responsive UIs. Proficient in cloud technologies, particularly AWS, for deploying and scaling web applications and services. Strong background in DevOps practices, including Continuous Integration/Continuous Delivery (CI/CD) pipelines, Docker, Jenkins, GitHub, and Terraform for automation and deployment. Experienced in working with big data technologies such as Kafka, Spark, and Hadoop for data analytics and processing. Proven leadership skills in leading agile teams, conducting scrum ceremonies, and managing project backlogs using tools like JIRA. Proficient in configuring and maintaining monitoring tools like Splunk for application health and performance tracking. Dedicated to enhancing system performance, capacity, and reliability through continuous improvement and innovative solutions.

State of Colorado

Full Stack Developer

State of Colorado

LinkedIn
2018-10 - 2020-12 · 2 yrs 3 mos

Colorado, United States

Dynamic and experienced software engineer proficient in developing cutting-edge applications and services using a wide array of technologies and methodologies. Skilled in front-end development with Angular (8), Angular CLI, TypeScript, and SCSS, leveraging frameworks like Covalent to build responsive and interactive single-page applications (SPAs). Extensive experience in implementing Microservices Architecture with Spring Boot, Spring MVC, and Jersey, integrating with Hibernate for persistence layer management. Proficient in cloud-based analytics solutions, including AWS Beanstalk deployment and management for scalable web applications. Strong background in database administration, including Cassandra cluster configuration and monitoring using OpsCenter, as well as MongoDB administration and optimization. Proficient in Big Data technologies such as Hadoop, SOLR, Spark, Kafka, and Storm for data integration and analytics. Adept at leading agile teams, conducting daily stand-ups and scrum ceremonies, and collaborating with product owners to groom backlogs and plan sprints effectively. Skilled in DevOps practices, utilizing tools like JIRA, GitHub, GitLab, Docker, and Node.js NPM modules for version control, defect tracking, and continuous integration. Passionate about delivering high-quality solutions under Agile methodologies and ensuring optimal system performance and capacity in enterprise environments.

Ed Assist

Full Stack Developer

Ed Assist

2016-6 - 2018-9 · 2 yrs 4 mos

Experienced Full Stack Developer with a strong background in designing and implementing scalable, high-performance applications. Skilled in both front-end and back-end development, working with modern frameworks and cloud-based solutions to deliver robust software. Software Development & Architecture • Designed and developed RESTful APIs using Node.js, Express.js, and Spring Boot for scalable microservices. • Built single-page applications (SPAs) using React.js, Redux, and Angular, leveraging component-based architecture. • Developed web-based applications using Spring MVC and J2EE frameworks, ensuring efficient backend processes. Performance Optimization & Security • Improved application load times with caching strategies for faster user interactions. • Implemented JWT authentication in Node.js for secure user access and authorization. • Developed efficient asynchronous CRUD operations with MongoDB and Mongoose. DevOps, Cloud & CI/CD • Hosted microservices in AWS using Jenkins CI/CD pipelines, enabling seamless deployments. • Worked with Pivotal Cloud Foundry (PCF) for rapid application deployment and containerization with Docker. • Collaborated with Kafka Admin teams to set up Kafka clusters in QA and production environments. Testing & Automation • Developed and executed unit tests (Mocha, Chai) and integration tests to ensure high code quality. • Created automated test suites using Selenium for functional testing. Collaboration & Agile Development • Partnered with Business Analysts, Product Owners, and Clients to translate business needs into technical specifications. • Worked in Agile teams, participating in the full SDLC from requirements gathering to deployment.

Hancock Whitney Bank

Full-stack Developer

Hancock Whitney Bank

LinkedIn
2013-10 - 2016-5 · 2 yrs 8 mos

Full Stack Developer | Java | Spring Boot | Node.js | React | AWS | Microservices Results-driven Full Stack Developer with expertise in designing and implementing scalable web applications using Java, Spring Boot, Node.js, React, and AWS. Passionate about enhancing user experience, optimizing performance, and ensuring high-quality software solutions. Front-End & UI Development • Developed responsive front-end interfaces for web applications, enhancing user experience. • Built single-page applications (SPAs) using React.js, Redux, and Angular, incorporating RxJS for efficient data handling. Back-End Development & API Design • Designed and developed RESTful APIs using Spring Boot, Hibernate, JPA, Node.js, and Express.js. • Implemented microservices architecture, integrating with databases like PostgreSQL, MongoDB, and Couchbase. • Solved callback hell in Node.js using Promises and ES6 Generators, improving code efficiency. Agile & DevOps Practices • Led code reviews to maintain high-quality standards across development teams. • Followed Agile, Scrum methodologies, participating in sprint planning, requirement analysis, and effort estimation. • Used GitHub for version control, Maven for build automation, and Azure Boards for project tracking. Cloud & Infrastructure Management • Managed AWS EC2, S3, and IAM, optimizing cloud infrastructure for scalability. • Hosted microservices on Pivotal Cloud Foundry (PCF) and used Splunk for monitoring and troubleshooting. • Developed Live Chat Escalation functionality, integrating real-time monitoring via Splunk logs. Testing & Performance Optimization • Implemented Test-Driven Development (TDD) and developed unit tests using Mocha & Chai. • Optimized application performance by reducing callback hell, implementing caching strategies, and leveraging Spring Boot optimizations.

Intergraph

Java Developer

Intergraph

LinkedIn
2012-5 - 2013-10 · 1 yr 6 mos

Hyderabad, Telangana, India

As a software engineer, I played a pivotal role in developing and maintaining the Trading Data Maintenance application, focusing on managing Default Settlement Cycles for Equity and Fixed Income type securities. I addressed and resolved various defects related to client account-specific settlement cycles across different security types. My responsibilities included participating in code build and deployment activities, preparing and deploying DB scripts, and supporting test cycles for the application's UI. Collaborating closely with Business Analysts (BAs), I analyzed existing data and business processes to validate Trade Date and Settlement Date combinations for various asset classes and security types. I enhanced and implemented improved business process logic by modifying existing database procedures to meet client account criteria. Additionally, I developed a test harness tool to automate scenario testing processes, thereby streamlining Trade Date and Settlement Date validation logic testing. I actively participated in test cycles and contributed to the creation of necessary support documents for Trade Date and Settlement Date validation logic.

Education

JNTUH College of Engineering Hyderabad

JNTUH College of Engineering Hyderabad

LinkedIn

Computer Engineering

Southen N's Contact Information

Email

******@***.com

Phone

(**) *** ****

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