Sr Engineers, Software

• Work as a Full Stack Developer, managing multiple applications including Metro Web, Backend Spring Boot APIs, MuleSoft APIs (v3.8), and AEM for content management.

• Design and develop RESTful APIs using Spring Boot, leveraging Spring Cloud Eureka for service discovery and Spring Cloud OpenFeign for inter-service communication.

• Build and maintain Spring Boot APIs integrated with Angular applications composed in a Monorepo structure using Hapi plugins.

• Develop robust data access layers using Spring Data JPA.

• Collaborate with cross-functional team members to deliver high-quality solutions.

• Design and implement visually appealing and responsive user interfaces.

• Diagnose and resolve issues in front-end code to enhance performance and eliminate bugs.

• Create and execute unit tests to ensure code reliability and functionality.

• Architect and maintain RESTful API solutions using Spring Boot.

• Demonstrated a strong understanding of common API technologies, including OAuth, SAML, Spring Boot, and Microservices architecture.

• Develop MuleSoft applications aligned with specified designs and business requirements.

• Apply Three-Layered API-led Connectivity architecture (System, Process, and Experience layers) to enable Omni-channel integration.

• Design and implement MuleSoft RESTful APIs to cater to various front-end requirements.

• Author RAML specifications for MuleSoft APIs ensuring standardization and reusability.

• Engineer multiple MuleSoft APIs, embedding complex business logic and system integrations.

• Execute data transformations and routing using DataWeave and API Kit Router, integrating several backend systems to meet client requirements.

• Develop and implement authentication and authorization APIs for Sprint 4.0 release.

• Utilize MuleSoft connectors like DataWeave, Scatter-Gather, Choice, HTTP, and Exception Strategy to build scalable APIs.

• Program with MEL (Mule Expression Language) and optimized complex DataWeave scripts for enhanced performance.

• Build and maintain mobile notification systems leveraging APNS (Apple Push Notification Service) and GCM (Google Cloud Messaging).

• Coordinate with multiple teams and projects to ensure smooth integration and delivery.

• Integrate payment processing and billing solutions, resolving critical issues related to transactions.

• Utilize API Kit Router extensively for developing efficient MuleSoft APIs.

• Partner with C4E (Center for Enablement) to uphold code quality and promote continuous improvement initiatives.

• Develop integration APIs supporting payment and billing functionalities across mobile and web platforms.

• Implement Redis caching strategies to improve API performance and scalability from a MuleSoft API perspective.

• Conduct code reviews and presentations to maintain high coding standards and share best practices.

• Adhere to coding standards and proactively suggested enhancements for API development.

• Build integration RESTful APIs for Mobile and Web platforms using MuleSoft technology.

• Collaborate with AMDOCS for enhancing payment processing and billing system integrations.

• Conduct API load testing using JMeter to validate performance and reliability under various conditions.

Experience and education requirements: PRIMARY REQUIREMENTS: Master's degree or foreign equivalent in Computer Science, Computer Programming, Computer Engineering, or related, and 5 years of relevant work experience.

ALTERNATIVE REQUIREMENTS: Bachelor's degree or foreign equivalent in Computer Science, Computer Programming, Computer Engineering, or related, and 7 years of relevant work experience.

Skills requirements: Requires experience in each of the following skills:

1. Performing microservice design, development, deployment, and maintenance of enterprise applications and applying domain knowledge of Telecommunications (OSS/BSS) including Billing Domain, Payment Services, Order Management, Credit Management, Digital Telecommunications Commerce and Product Catalog systems using Java, GoLang: Spring Boot, Spring Cloud, Spring MVC, Spring Data JPA, Spring Security, Spring GraphQL, and implementing scalable RESTful and federated GraphQL APIs using Apollo Federation 1.x/2.x., MuleSoft 3.x/4.x, Kubernetes, Kafka, IntellJ IDE, BitBucket, GitLab, Eclipse, Lucid, Figma, Postman, Splunk, AppDynamics, Oracle, MySQL and Redis.
2. Designing and developing microservices using Java and GoLang with deep expertise in the Spring ecosystem: Spring Boot, Spring Cloud, Spring MVC, Spring Data JPA, Spring Security, Spring GraphQL, and implementing scalable RESTful and federated GraphQL APIs using Apollo Federation 1.x/2.x., MuleSoft 3.x/4.x.
3. Building and integrating APIs and web services using REST, SOAP, Swagger: OpenAPI, XML, JSON, and asynchronous messaging platforms such as Apache Kafka and RabbitMQ.
4. Working with databases and data stores, including SQL: Oracle, MySQL, and PostgreSQL, and NoSQL: MongoDB, Cassandra, and Couchbase, and in-memory caching with Redis.
5. Implementing CI/CD pipelines and DevOps practices using Jenkins, GitLab, Docker, Kubernetes (K8s), and applying basic Linux command-line proficiency.
6. Utilizing testing, monitoring, and development tools such as JUnit, JMeter, Mockito, Robot, WireMock, Maven, Gradle, AppDynamics, Splunk, Git, Bitbucket, IntelliJ, Eclipse, Velocity Studio, Postman, and SoapUI. Additional:

• At least 18 years of age
• Legally authorized to work in the United States
• Location: Frisco, TX
• Telecommuting is permitted, but applicant must work from the worksite location at least 3-4 days per week. 10% domestic travel required.
• This position is eligible for the employee referral program.

life insurance, vision insurance, flexible benefit account, paid time off, paid holidays, tuition assistance, 401(k) United States, Texas, Frisco 3560 Dallas Parkway (Show on map) Apr 30, 2026

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! 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 Engineers, Software is located in Frisco, TX and will gather and analyze requirements by actively interacting with customers and stakeholders., OTHER: Work hours: 40 hours/week. Salary $156,998 to $165,000 per year.

• The pay range above is the general base pay range for a successful candidate in the state listed. The successful candidate's actual pay will be based on various factors, such as work location, qualifications, and experience.
• At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance, while Retail and Business Sales roles are eligible for monthly or quarterly sales incentives. And since we are ALL owners, EVERY employee at T-Mobile is eligible for an Annual Stock Grant. For information about T-Mobile's amazing benefits, check out https://careers.t-mobile.com/culture-and-benefits.

Candidate's pay will be based on various factors, such as work location, qualifications, and experience. At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile's amazing benefits, check out www.t-mobilebenefits.com.