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I'm Hima K, a Senior Java Full Stack Developer with 10+ years of experience delivering enterprise-grade Java UI applications and scalable backend services. I thrive in fast-paced Agile environments, turning complex requirements into robust microservices, secure APIs, and responsive front-end experiences. I have hands-on experience with AWS and Azure cloud platforms, Spring Boot microservices, modern front-end frameworks (Angular, React), and data stores including Oracle, MySQL, MongoDB, and Cassandra. I enjoy building resilient, observable systems with CI/CD pipelines, containerized deployments, and AI-enabled features such as chatbots and predictive analytics.…I'm Hima K, a Senior Java Full Stack Developer with 10+ years of experience delivering enterprise-grade Java UI applications and scalable backend services. I thrive in fast-paced Agile environments, turning complex requirements into robust microservices, secure APIs, and responsive front-end experiences. I have hands-on experience with AWS and Azure cloud platforms, Spring Boot microservices, modern front-end frameworks (Angular, React), and data stores including Oracle, MySQL, MongoDB, and Cassandra. I enjoy building resilient, observable systems with CI/CD pipelines, containerized deployments, and AI-enabled features such as chatbots and predictive analytics.

Hima K

Full Stack Developer, Web Developer, Front-End Developer, +2

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I'm Hima K, a Senior Java Full Stack Developer with 10+ years of experience delivering enterprise-grade Java UI applications and scalable backend services. I thrive in fast-paced Agile environments, turning complex requirements into robust microservices, secure APIs, and responsive front-end experiences. I have hands-on experience with AWS and Azure cloud platforms, Spring Boot microservices, modern front-end frameworks (Angular, React), and data stores including Oracle, MySQL, MongoDB, and Cassandra. I enjoy building resilient, observable systems with CI/CD pipelines, containerized deployments, and AI-enabled features such as chatbots and predictive analytics.…I'm Hima K, a Senior Java Full Stack Developer with 10+ years of experience delivering enterprise-grade Java UI applications and scalable backend services. I thrive in fast-paced Agile environments, turning complex requirements into robust microservices, secure APIs, and responsive front-end experiences. I have hands-on experience with AWS and Azure cloud platforms, Spring Boot microservices, modern front-end frameworks (Angular, React), and data stores including Oracle, MySQL, MongoDB, and Cassandra. I enjoy building resilient, observable systems with CI/CD pipelines, containerized deployments, and AI-enabled features such as chatbots and predictive analytics.

Available to hire

I’m Hima K, a Senior Java Full Stack Developer with 10+ years of experience delivering enterprise-grade Java UI applications and scalable backend services. I thrive in fast-paced Agile environments, turning complex requirements into robust microservices, secure APIs, and responsive front-end experiences.

I have hands-on experience with AWS and Azure cloud platforms, Spring Boot microservices, modern front-end frameworks (Angular, React), and data stores including Oracle, MySQL, MongoDB, and Cassandra. I enjoy building resilient, observable systems with CI/CD pipelines, containerized deployments, and AI-enabled features such as chatbots and predictive analytics.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Sr. Java Full Stack Developer at The Go-Ahead Group

October 1, 2024 - Present

Led development of scalable transit and fleet-management microservices in an AGILE/SDLC environment. Built modern front-end UIs for transport scheduling, ticketing, and real-time tracking using HTML5, CSS3, SASS/LESS, Angular v14+, and Node.js v18+. Replaced legacy AngularJS components; implemented Gulp/Webpack build pipelines for asset bundling, CSS preprocessing, and automated testing. Created reusable UI components and integrated RESTful APIs to render live vehicle tracking and schedule updates. Implemented core Java features (Java 11/17/21) with streams, lambdas, and concurrent programming to optimize routing, fare processing, and backend computations. Designed and deployed microservices on AWS (EC2, S3, RDS, CloudWatch, API Gateway, IAM, ECS Fargate) with infrastructure as code via CloudFormation. Implemented event-driven patterns using AWS Lambda for ticket validation, alerts, and telemetry across hybrid AWS–Azure environments. Connected to MySQL, Oracle, MongoDB, and Cassandra

Java Full Stack Developer at Avangrid

March 1, 2022 - September 1, 2024

End-to-end design, development, deployment, and maintenance of enterprise applications supporting energy distribution, smart grid operations, and customer billing. Built dashboards and portals using Angular/React and REST/SOAP web services; implemented multi-layered J2EE architectures with Spring MVC, Spring Boot, Spring Data JPA, Hibernate. Worked in a hybrid cloud environment, leveraging Azure App Services/Functions, Data Lake Gen2, Data Factory, and Azure SQL, alongside AWS components (EC2, S3, RDS, ECS/Fargate, IAM, API Gateway, CloudWatch) to support energy data processing. Implemented secure APIs with Spring Security, OAuth 2.0, and JWT; integrated Kafka, RabbitMQ for event-driven processing; processed analytics with Python (Pandas/NumPy) and SQL. Enabled real-time usage dashboards, outage management, and customer portals; migrated legacy components from AngularJS to modern front-ends; built RESTful APIs with Spring Boot/JAX-RS; containerized services with Docker and deployed on

Java Developer at Texas Instruments

November 1, 2020 - February 1, 2022

Involved in analysis, design, development, and testing of N-tier applications for manufacturing and engineering data. Built MVC-based backends with Spring MVC/Boot 2.x to support inventory, production, and telemetry workflows; used Core Java 8/11 with Lambdas, Streams, and multithreading for high-volume data processing. Implemented persistence with Hibernate ORM and Spring Data JPA across Oracle, MySQL, and MongoDB. Developed SOAP and REST web services (JAX-WS/JAX-RS, CXF) for legacy manufacturing systems; built JSP/Servlet-based UI with AngularJS and later Angular. Established security via Spring Security and OAuth 2.0; containerized apps with Docker; deployed on Tomcat, WebLogic, WebSphere, and JBoss. Built messaging with Kafka, RabbitMQ, and IBM MQ; configured Ant/Maven build pipelines; supported JIRA Confluence-based development workflows; wrote unit/integration tests with JUnit 4/5 and Mockito. Enabled basic AWS cloud integration (EC2, S3, RDS, CloudWatch) during early adoption; c

Java Developer at BlueSapience

January 1, 2018 - October 1, 2020

Involved in analysis, requirement gathering, design, development, and deployment of environmental compliance and emissions monitoring systems in a Waterfall environment. Implemented Struts MVC architecture and gradually integrated Spring MVC and early Spring Boot for modular service development and modernization of legacy systems. Built front-end components with JSP/Servlets, HTML5, CSS3, AngularJS (1.x), and dynamic JSP pages using Tiles/JSTL. Implemented RESTful and SOAP-based web services (XML/JSON) for interoperability with regulatory platforms. Applied J2EE patterns (MVC, DAO, DTO) and introduced microservices concepts for gradual modularization. Developed persistence with JDBC/Hibernate across Oracle, MySQL, and MongoDB; deployed on Tomcat/WebLogic/WebSphere/JBoss. Created build scripts with Maven/ANT; automated testing with JUnit/Mockito/PowerMock; integrated AWS early-stage cloud usage (EC2, S3, RDS, CloudWatch); used GitHub/Bitbucket/SVN with Jenkins CI/CD; enabled messaging v