As America's Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The company's advanced nationwide 4G and 4G LTE network delivers outstanding wireless experiences for customers who are unwilling to compromise on quality and value. Based in Bellevue, Washington, T-Mobile US provides services through its subsidiaries and operates its flagship brands, T-Mobile and MetroPCS. For more information, please visit http://w.t-mobile.comPrincipal Developer, Pipeline ToolingSeeking a senior full-stack technologist with the initiative and passion for rapidly reducing solution time to market via continuous delivery. Has the ability to work on complex challenges in a true team-oriented environment to lead and create enterprise delivery pipelines. Enthusiastic about exciting opportunities to build sustainable products using agile and continuous delivery best practices. Well versed in techniques such as continuous delivery to establish faster feedback cycles.Enterprise Core Competencies:-Requires competency in continuous integration/continuous delivery architecture and design, customer focus, change & innovation, strategic thinking, relationship building & influencing, results focus, and productive innovation7+ years hands-on experience with continuous integration and its real-world role in delivering softwareProven expertise with DevOps and toolchain associated with it, such as Jenkins, Ansible, Puppet and other deployment automation technologiesHas had technical leadership experience large scale projects, providing leadership to junior developers on each project, with projects impacting multiple business units and with development timelines greater than 4 months eachHas experience mentoring other members of technical/development staffAt least four years of software development background (Java preferred)Minimum 3 year experience in designing and developing applications on relational databases (MySQL, MS-SQL etc) as well as No-SQL (MongoDB, Cassandra etc)Has experience working with business applications/systems and has also provided tier 4 production supportThe following technologies are not mandatory, though additional experience highly preferred:Programming Languages: Java , Objective-C, C# JavaScript (Angular.js, React.js, ReactNative.js, Node.js, JQuery, etc), Ruby, XML, HTML5/CSS, Ansible, Puppet, DockerPlatforms: Rails, Spring, J2EE, Axon (CQRS), Jenkins, Concourse(plus), Databases: MySQL, Oracle, JDBC, MongoDB, PostgresTesting/Verification tools: Cucumber, RSpec, IWebDriver, Appium, Frank, Calabash, SonarQube, TripwireBuild tools: IntelliJ, Eclipse, JUnit,, ArtifactorySubversion, Git, Mockito, Selenium, Rake, Ant, Maven, GradleServers: Play Framework, Apache Tomcat, Websphere, DropwizardMethodologies: Continuous Delivery, Continuous Integration, DevOps, Agile, XP, Test-driven development, Micro-services cloud native software development, REST APIsEducation-Minimum RequiredB.S. Computer Science or Management Information Systems or equivalent experience.Expert on all things related to Jenkins, continuous integration, continuous delivery and DevOpsAbility to read and understand a variety of code, help with code / code repo integration into CI/CD pipeline Excellent soft skills around communications, empathy, cross-functional collaboration and seeking a win-win partnership with all stakeholdersGoal-oriented: Thrives and enjoys in accomplishing set mission and objectives. Takes pride in creating elegant software solutions.Direct experience with application servers and development frameworksHands-on Expertise with continuous integration (e.g., Jenkins), source code control systems (e.g., Git, SVN), build automation tools (Ant, Maven, Gradle, etc.)Hands-on Expertise with infrastructure surrounding typical production applications, such as routers, SSL termination, SSO systems, load balancers, web tier and databasesWell versed in CI/CD methodology and employs and evangelizes continuous delivery best practices.Experience working in a true DevOps team, owning and supporting the code he/she writes. Not afraid to hold the pager during rotationLoves to learn and keep up to date with the latest SW development methodlogy, tools, technologies and principlesWhen recurring questions are identified, writing technical content to increase the Knowledge Base and creating videos/webcasts and other contentWe Take Equal Opportunity Seriously - By Choice T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, marital status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination or harassment based upon any of these factors is wholly inconsistent with our Company values and will not be tolerated. Furthermore, such discrimination or harassment may violate federal, state, or local law.

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