Principal Engineer

Top 3 mandatory skills:

• Micro Services, Spring Boot, Kafka, Java, PostgreSQL, Kubernetes, Redis, Git, Github Actions, Maven, Junit, Agile, Production Support experience. Ideal Candidate: He needs to be delivery quality code, reliable and good debugging skills for production support

Description:

• We are looking for a passionate, energetic member of an agile team to play a key role in development projects for American Airlines customer facing Application Web Services team. You will have an opportunity to work across the product s layers to deliver features and functionality as part of a highly collaborative, quality-focused team.
• Develop, deploy, and manage Kafka-based data pipelines and real-time streaming applications.
• Proficient in Kafka internals, producer/consumer APIs, and integrating Kafka with external systems using Kafka Connect and Schema Registry.

Skills / Experience:

• Perform requirements gathering, analysis. Create architecture & design documents
• Refine requirements and map to technical modules fitting the enterprise wide architecture.
• Represent design of the system in UML diagrams such as Sequence Diagrams and ER models.
• Create Data flow diagrams and represent data in JSON format and map to business cases.
• Develop applications using Java, Spring Boot, Spring Cloud, and Cloud Foundry, Kubernetes
• Develop microservices using REST, Spring, Spring Boot
• Write Maven build scripts for building Java based Spring Boot microservices
• Develop scripts to deploy the microservices in Cloud such as Cloud Foundry and Kubernetes.
• Develop Github actions to automate the scripts using CI/CD continuous integration and Continuous delivery.
• Use Swagger2API for publishing REST interfaces.
• Scale the applications using auto-scaling policies, design for fault tolerance, availability and low response times.
• Develop using Spring modules such as actuator for metrics, health check of services
• Develop using Spring Cloud Config for storing configuration of the services.
• Develop using Spring Cloud Eureka to have service registry and discovery.
• Improve performance using Redis cache, PostgreSQL, NoSQL databases such as DynamoDB.
• Develop Data access layer using JPA, Hibernate and ORM tools over JDBC layer.
• Develop applications using cache such as Redis using Java Jedis client.
• Test REST resources using tools like Postman, Curl etc.,
• Make enhancements to legacy systems
• Develop/enhance SOAP webservices over XML and JSON written using J2EE technologies, Servlets, JSP, JavaScript, jQuery, AJAX, Angular, React, NodeJS
• Debug issues involving multi-threading, concurrency issues.
• Experience using XML, XSD, XSLT, DOM, JMS, Spring Integration
• Knowledge of application servers such as Tomcat, Glassfish and JBoss.
• Develop applications using Spring MVC, Spring Batch and Spring Integration.
• Do performance tuning of SQL queries, propose improvements to existing systems.
• Support applications using multi-threading concepts, TCP/IP, database, and REST based JSON APIs
• Handle legacy systems which involves processing using multithreading, handle concurrency issues and network issues.
• Configure Database connections, write SQL and PLSQL scripts to interact with RDBMS databases.
• Using Java and Spring technologies to develop REST based API s and clients invoking such REST services using JSON as payload.
• Knowledge of NGINX and other infrastructure tools.
• Create scripts using build and deployment tools: Maven, Git, Junit
• Should be able to create code repositories in Git
• Should perform GIT branching, merging and Push Requests in Git flow.
• Build Maven pom.xml build files to automate CI/CD in Jenkins.
• Implement CI/CD pipelines for DevOps using tools (Nexus, Hygieia, SonarQube, Github, Jenkins)
• Should implement Jenkins pipelines to enable Code pipelines.
• Should fix code issues shown by SonarQube and improve code quality.
• Linux/Unix and Shell scripting
• Develop scripts written in Shell/Bash for various operational tasks.
• Experience with the scrum process
• Should participate in Agile ceremonies and contribute to the overall success of the project.
• Should effectively contribute in Sprint Planning, Daily Scrum Sprint Review and Sprint Retrospectives.
• Should update user stories, tasks in JIRA, Confluence, IBM Rally tools.
• Produce reports.
• Experience and understanding of test driven (TDD) & Behavioral Driven development (BDD)
• Should develop test cases by writing code using tools such as Mockito, EasyMock.
• Should develop integration tests by writing code using tools such as Cucumber.
• Excellent verbal and written communication skills and problem-solving skills
• Ability to work very closely with a larger development team of differing skillsets