Sr Java Developer - Tek Ninjas
Fort Worth, TX 76120
About the Job
Position: Sr Java Developer
Location: Fort Worth, TX (Hybrid)
Duration: 6 Months with EXT
Description:
- We are looking for a passionate, energetic member of an agile team to play a key role in development projects for Client customer facing Application Web Services team.
- You will have an opportunity to work across the products layers to deliver features and functionality as part of a highly collaborative, quality-focused team.
- 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 Jenkins files 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, 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, EJBs, 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 APIs 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
- Bachelors 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
- Web Technologies: Java EE, Spring MVC, Spring Web Flow, Struts, HTML, CSS, XML, Servlets, JSP, JavaScript, JQuery, Junit, JSON, Ajax, Angular, React
- 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
- Relational Database and Persistence: Hibernate (Object/Relational Mapping), JPA, JDBC,MySQL, Oracle, PostgreSQL, PL/SQL, Query Performance Tuning
- No-SQL Database: DynamoDB, NoSQL
- Cloud Technologies: Amazon Web Services (AWS), CloudFormation Template
- Caching Technologies: Redis Cache, EhCache
- Servers: Tomcat, JBoss, Glassfish, WebSphere
- CI/CDTools - Junit, Mockito, JBehave, Maven, Jenkins, Nexus, Chef, Puppet,
- Linux/UNIX Shell Scripting, Ruby
- SCM Tools - Git, Subversion
- Monitoring Tools: Dynatrace, CloudWatch, Zenoss.
- Project Management Tools: Jira, Rally, Confluence, Visio, PowerPoint, Excel, Word
- Operating Systems: Windows, Unix, Linux
- IDEs: Eclipse, RAD, Oracle SQL Developer, PuTTY, Visual Studio Code, Robo Mongo,
- Testing tools - Postman, SoapUI
- Methodologies: Agile, Scrum, Kanban, XP
Source : Tek Ninjas