Career Band: L08 Be unstoppable with us! T-Mobile is synonymous with innovation-and you could be part of the team that disrupted an entire industry! We reinvented customer service, brought real 5G to the nation, and now we're shaping the future of technology in wireless and beyond. Our work is as exciting as it is rewarding, so consider the career opportunity below as your invitation to grow with us, make big things happen with us, above all, #BEYOU with us. Together, we won't stop! Position summary T-Mobile is America's supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. Senior Engineers, Software located in Bothell, WA will design and build internal and external API's, consult with domain teams in various project phases on the best implementation approach, enhance the existing platform API shared services and security controls, and play a lead role in investigating and resolving major incident found in NPE and PRD environments. Position duties and responsibilities include, but are not limited to: Partner with other Technical Leads, Architects, Software Engineers, and Quality Engineers in a highly collaborative environment to define the architecture, design scalable systems and mentor junior engineers in their development. Design and develop REST APls using Apigee Implement requirements of the API layer such as security, custom analytics, throttling, caching, logging, monetization, request and response modifications. Develop backend APls for a variety of internal and customer facing projects, provides planning and design support for the development of Apigee solution architectures. Leverage experience with API security norms and conversant in common Internet technologies and protocols viz HTIPs, SSL, OAuth, REST, JSON, XML. Define T-Mobile specific requirements and work effectively with other organizations and peer engineering teams on developing, testing, implementing and supporting these requirements for existing and upcoming products. Collaborate with other team members and stakeholders, facilitates good technical designs and solutions based on modern software development patterns and practices. Write maintainable code, working in a professional software engineering environment, including source control, shortened release cycles, continuous integration, and deployment. Telecommuting is permitted, but applicants must live within a reasonable commuting distance. Skill requirements: (1) Designing and building Restful APIs and API Apigee gateway, and creating service contracts with building swagger and architectures such as REST, SOAP, HTTP, WSDL following standard specifications. (2) Utilizing integration security including OAuth, OAuth2, JWT, HTTPS (SSL), WS-Security, Signatures and Encryption, SAML, and HTTP Basic authentication. (3) Developing containerized apps using cloud technology including Cloud foundry, spring boot, API Developer portal, and webservice frameworks, and testing with restful client such as POSTMAN and SOAP UI. (4) Developing enterprise applications and integration using Java and J2EE, using one operating system (Unix or Windows 2000), Oracle, and MySQL databases. (5) Utilizing DevOps, Agile, Jenkins, and continuous integration practices and platforms to implement, maintain, and improve continuous integration and continuous delivery processes. (6) Developing at least 4 projects, providing technical leadership for a team size of at least 3 software engineers, and collaborating with multiple business units enterprise wide. Experience and education requirements: PRIMARY REQUIREMENTS: Master's degree in Computer Engineering, Information Technology, or related field, or its foreign equivalent, and 3 years of relevant work experience. ALTERNATIVE REQUIREMENTS: Bache