Principal Engineer

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Hello Everyone,

Job title: Principal Engineer

Location: Fort Worth, TX – Day 1 onsite role - W2 - Except OPT Any visa is fine

Top 3 Requirements:

Microservices with Spring Boot, Java, Kafka, Production Support experience

Nice to have skills:

PostgreSQL, Kubernetes, Redis, Git, Github Actions, Maven, Junit, Agile.

Description:

• Writes, tests, and documents technical work products (e.g., code, scripts, processes) according to organizational standards and practices
• Solves technical problems and builds components/libraries with far-ranging impact
• Delivers high quality work and coaches more junior engineers on technical craftsmanship
• Conducts root cause analysis to identify systemic problems and defines and leads execution of action items to address
• Designs thoughtfully integrated systems that model organizational best practices, allowing disparate teams across product domains to deliver value with speed, scale, and reliability
• Oversees the management of technical debt in existing systems and drives opportunities to eliminate within ongoing implementations
• Consistently anticipates scaling, latency, and durability challenges and guides teams in implementation of mitigating strategies
• Partners with the security organization to incorporate security conscious practices early in the lifecycle of new systems
• Thoughtfully evaluates technical risks and guides toward practical prevention strategies
• Consistently reflects on squad delivery practices throughout their span of of influence, recommends improvements to leadership and drives their implementation
• Maintains a focus on removing the duplication of effort across teams and proactively identifies opportunities for reuse within their span of influence
• Thoughtfully measures and assesses team and identifies areas of development for individuals
• Explores emerging technologies, leads development of prototypes with little or no guidance and incorporates into architectural solutions where appropriate
  
  

Skills / Experience:

• Perform requirements gathering, analysis. Create architecture & design documents o 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 o Develop microservices using REST, Spring, Spring Boot o Write Maven build scripts for building Java based Spring Boot microservices o 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 o 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.
• Able to use Github Copilot to maximize the productivity and learning existing systems.
• Develop, deploy, and manage Kafka-based data pipelines and real-time streaming applications.
• Proficient in Kafka internals, producer/consumer APIs.
• 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., o Make enhancements to legacy systems o Develop/enhance SOAP webservices over XML and JSON written using J2EE technologies, Servlets, JSP, JavaScript, jQuery, AJAX, Angular, React, NodeJS o Debug issues involving multi-threading, concurrency issues.
• Experience using XML, XSD, XSLT, DOM, JMS, Spring Integration o 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 o 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 o Should be able to create code repositories in Git o 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) o 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) o 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 o Ability to work very closely with a larger development team of differing skillsets
  
  

Minimum Requirements

Bachelor’s degree in computer science, electronics, engineering, or related field, plus 5-7 years of experience in the job offered or in software development or engineering plus demonstrated experience in:

• Design/Development Techniques: Object-oriented Analysis and Design) OOAD, Unified Modelling Language (UML), Test Driven Development (TDD), Java Design Patterns, Enterprise Integration Design Patterns, Disaster Recovery Design and Development o Web Technologies: Java EE, Spring MVC, Spring Web Flow, Struts, HTML, CSS, XML, Servlets, JSP, JavaScript, JQuery, Junit, JSON, Ajax, Angular, React o Service Technologies: Java 1.8, EJB, Spring Framework, Spring Boot, Groovy, In- memory computation, REST/SOAP Web Service, WSDL, JAXB, JAXP, XPATH, XSLT, XQuery, XSD, JMS, Spring Integration, WebSphere MQ, ActiveMQ o Relational Database and Persistence: Hibernate (Object/Relational Mapping), JPA, JDBC,MySQL, Oracle, PostgreSQL, PL/SQL, Query Performance Tuning o No-SQL Database: DynamoDB, NoSQL o Cloud Technologies: Amazon Web Services (AWS), CloudFormation Template o Caching Technologies: Redis Cache, EhCache Messaging Technologies: Kafka, Azure Event Hubs o Servers: Tomcat, JBoss, Glassfish, WebSphere o CI/CDTools – Junit, Mockito, JBehave, Maven, Jenkins, Nexus, Chef, Puppet, Linux/UNIX Shell Scripting, Ruby o SCM Tools – Git, Subversion o Monitoring Tools: Dynatrace, CloudWatch, Zenoss.
• Project Management Tools: Jira, Rally, Confluence, Visio, PowerPoint, Excel, Word o Operating Systems: Windows, Unix, Linux o IDEs: Eclipse, RAD, Oracle SQL Developer, PuTTY, Visual Studio Code, Robo Mongo, o Testing tools - Postman, SoapUI o Methodologies: Agile, Scrum, Kanban, XP