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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Software Engineers - **Company:** T-Mobile Us, Inc. - **Location:** Seattle, WA, United States (Remote available) - **Experience:** Expert - **Salary:** $212,202.0 - $217,202.0 - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), LTE (Telecommunication), Ajax (Programming Language), Amazon Web Services, Apple Xcode, JIRA, Microsoft Azure, Big Data, Cascading Style Sheets (CSS), Computer Engineering, Linux, Eclipse (Software), Java Platform Enterprise Edition (J2EE), IBM Websphere Application Server, Mobile Application Software, Spring Framework, Apache Struts, JQuery, Microsoft Visual Studio, MongoDB, Node.Js, Oracle Databases, Oracle (Applications), Performance Tuning, Redis, Simple Object Access Protocol (SOAP), Software Engineering, Software Requirements Analysis, SQL Stored Procedures, SQL Databases, Data Streaming, Web Applications, Extensible Markup Language (XML), Postman, Swiftui, Spring-boot, Caching, Apigee, Gitlab, AngularJS, Information Technology, Cocoapods, Restful APIs, Splunk, Ibm Websphere Commerce, Docker, Servicenow, Microservices - **Published:** August 16, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17972801?backUrl=%2Fcareer%2F17972801%2FSr-Software-Engineers-Washington-Bellevue ## About the Role PRIMARY REQUIREMENTS: Master's degree or foreign equivalent in Computer Technology, Computer Engineering, or related, and 3 years of relevant work experience in any occupation in which the required experience is gained. ALTERNATIVE REQUIREMENTS: Bachelor's degree or foreign equivalent in Computer Technology, Computer Engineering, or related, and 5 years of relevant work experience in any occupation in which the required experience is gained. Skills requirements: Requires experience in each of the following: Developing scalable APIs and microservices using Java, J2EE, Spring Boot, Docker, and deploying solutions on AWS Cloud. Developing responsive UIs with AngularJS, NodeJS, HTML, CSS, JavaScript, jQuery, XML, AJAX, and mobile apps using SwiftUI and Storyboard. WebSphere commerce migration, WebSphere application server upgrade, Java and Linux upgrades, Angular/Node upgrade, Oracle database upgrade, DB table partitioning, SQL query tuning, Caching and performance tuning. SQL, stored procedures, and managing large databases using MongoDB, Oracle, and frameworks like WebSphere Commerce, Struts, and Spring. Migrating Java, Linux, and IBM WebSphere Application Server (WAS) environments to latest versions for production web applications. Jira, GitLab, Azure, Postman, Redis, Xcode, Eclipse, Visual Studio, Cocoapods, APIGEE, TAG, SOAP, REST, ServiceNow, and Splunk. * At least 18 years of age * Legally authorized to work in the United States Additional: * Location: Bellevue, WA * Telecommuting is permitted, but applicant must work from the worksite location at least 3-4 days per week. No additional national or international travel is anticipated. * This position is eligible for the employee referral program. ## Description 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. Sr Software Engineers is located in Bellevue, WA will drive engineering projects by developing software solutions; conducting tests and inspections; preparing reports and calculations., * Understand system protocols, how systems operate and data flows. * Aware of current technology benefits. * Expected to independently develop a full software stack. * Understand the building blocks, interactions, dependencies, and tools required to complete software and automation work. * Independent study of current technology is expected. * Interact with system engineers to define system requirement and necessary requirements for automation. * Contribute to designs to implement new ideas which utilize new frameworks to improve an existing or new system or process or service. * Review existing designs and processes to highlight more efficient ways to complete existing workload more effectively through industry perspectives. * Understand the creation of company IPR. * Collaborate with technical teams and utilizes system expertise to deliver technical solutions. * Continuously learn and teach others existing and new technologies. * Contribute to the development of others through mentoring or in house workshops and learning sessions. * Contribute to new and existing technology options that support business goals. * Understand current technology that supports business goals. * Understands system protocols, how systems operate and data flows. * Aware of current technology benefits. * Write basic documentation on how technology works. * Creates clear documentation for new code and systems used. * Document systems designs, presentations, and business requirements for consumption and consideration at the manager level. ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)