Srinivasu Kakaraparti-Fullstack Developer

Project: Tax Exemption Order Application

The client has an existing application for creating and maintaining tax exemption orders for end customers; design and implementation of a comparable application for internal employees.

• Design and implementation of microservices and the UI for the business area "tax exemption orders" using Domain Driven Design as well as Spring Boot and Angular.
• Implementation of reactive, non-reactive, and asynchronous APIs (Spring REST, WebFlux, GraphQL).
• Development of the Angular application, including state management using Signals, RxJS Observables, and subscriptions.
• Securing the API and the application using OAuth2, JWT, and OpenID Connect.
• Configuration and setup of CI/CD pipelines with Jenkins.
• Collaboration with cross-functional teams and conducting code reviews.

Environment: Java, Spring Boot, Angular 18 & 19 (standalone, signals), RxJs, Bootstrap CSS, Vitesting, OpenShift, Istio, microservices, Kafka, Dynatrace, Jenkins, GitLab, Graylog, Sonar, Oauth2, OracleDB

Project: Programming Fahrzeug at BMW Group

The client has an existing application that needs to be migrated into a robust JIRA application for managing vehicle inspections and defects.

• Development of complex user interfaces using JavaScript, CSS, and Velocity templates.
• Automation of CI/CD pipelines using GitHub Actions. Creation of Azure resources using Terraform.
• Active participation in agile ceremonies, code reviews, and knowledge-sharing sessions.

Environment: JavaScript, CSS, Java, Groovy, Python, Azure, Docker, Jira, Terraform, Bash scripts, PostgreSQL

Project: Pixie (02 Tariff and Hardware Management)

The client needed the modernization of its existing e-shop application based on a microservices architecture, using micro-frontends with Zalando's Tailor framework.

• Design and development of REST APIs and UIs using Kotlin, Spring Boot, and Vue.js for core e-commerce processes
• Implementation of a real-time data pipeline to transfer product data from an Oracle database into Elasticsearch indexes
• Deployment and monitoring of microservices on AWS EKS, including ensuring communication between services
• Participation in agile ceremonies such as sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives

Environment: Java, spring boot, kotlin AWS (EKS, Lambda, API Gateway), Terraform, Kotlin, VueJs, Spring Boot, Kafka Streams, Elasticsearch, Jenkins, Docker, redis, GO, Oauth2, OpenIDConnect, Argocd, OracleDB, AWS DynamoDB

Project: NextGen CLE

• Use of the company-wide framework for Common Logging & Exception Handling (CLE) to manage logs and error handling.
• Development of complex user interfaces using ReactJs.
• Support for application owners in analyzing and tracking transactions, logs, exceptions, and retry/replay payloads to enable fast troubleshooting and issue resolution.

Environment: Spring Boot (web, Kafka), ReactJS, Logstash, PCF, Azure, Confluent (Kafka), Datastax Cassandra, Apache Solr, SAML, OAuth2

Project: Adidas Backend Services

• Design and development of backend services for managing Adidas subscriptions and billing emails within an integration platform connected to existing e-commerce applications.
• Implementation of a serverless architecture based on AWS Cloud Services to ensure scalable and low-maintenance processing.
• Use of agile methods with iterative sprints for fast and continuous delivery.

Environment: Typescript, Nodejs, jest, AWS (API Gateway, Lamda, Stepfunction), Jenkins, Terraform, BitBucket, Jira, and Confluence, activeMq, SOAP API, OracleDB, AWS DynamoDB