Senior Software Engineering

JOB TITLE: Senior Software Engineering JOB LOCATION: 3400 W. Plano Pkwy, Plano, TX 75075 DUTIES: Design, develop, and maintain API led MuleSoft integrations supporting ACC Service & Support (S&S), Big Bang, Wireless, RTB, CRP/Fiber, and related omnichannel customer care capabilities. Build System, Process, and Experience APIs that connect ACC with upstream and downstream systems such as Salesforce, Billing, Ordering, Network APIs, Identity platforms, and Customer Graph. Implement complex Mule 4 flows for ACC business functions including Review/Submit flows, Feature Add/Remove, Port Out status retrieval, Account/Service Summary, Order Events, and Real Time customer validations. Create and manage RAML specifications, reusable templates, API fragments, shared modules, and Exchange assets to ensure consistency across ACC micro journeys. Develop and optimize DataWeave transformations for high volume ACC transactional payloads, ensuring low latency and real time SLAs. Integrate Mule APIs with ACC’s foundational systems (Salesforce, Billing/BSSe, Middleware, Inventory, Payment & Provisioning systems) while ensuring secure, policy compliant connectivity via API Manager. Implement centralized error handling frameworks, logging standards, and CloudHub monitoring to support ACC's strict reliability and observability requirements. Participate in ACC release cycles, coordinating deployments, regression validations, and post deployment production checks across multiple PI/Release trains. Conduct root cause analysis (RCA) for production issues impacting ACC agent workflows, customer flows, or downstream systems; deliver fixes, optimizations, and hotfix enhancements. Collaborate with architects, QA, product owners, and cross functional ACC teams to translate business stories into scalable integration designs aligned with ACC architecture principles. Contribute to CI/CD pipelines, MUnit test coverage, performance tuning, and continuous improvement of ACC’s integration layer. Utilize MuleSoft Anypoint Platform and Munit test frameworks. Utilize JSON, XML, SOAP, CSV, and ACC. Utilize CloudHub-based monitoring dashboards. Utilize Salesforce/ACC UI, backend ACC microservices, BSSe/Billing systems, Ordering/Provisioning APIs, Network/RTB services, SQL Server, Oracle, and SAP. REQUIREMENTS: Requires a Bachelor’s degree, or foreign equivalent degree in Computer Science, Electronics Engineering, or Computer Engineering and 3 years of experience in the job offered or 3 years of experience in a related occupation utilizing MuleSoft Anypoint Platform and Munit test frameworks; utilizing JSON, XML, SOAP, CSV, and ACC; utilizing CloudHub-based monitoring dashboards; and utilizing Salesforce/ACC UI, backend ACC microservices, BSSe/Billing systems, Ordering/Provisioning APIs, Network/RTB services, SQL Server, Oracle, and SAP. In lieu of a Bachelor’s degree, the employer will accept an additional 2 years of experience utilizing MuleSoft Anypoint Platform and Munit test frameworks; utilizing JSON, XML, SOAP, CSV, and ACC; utilizing CloudHub-based monitoring dashboards; and utilizing Salesforce/ACC UI, backend ACC microservices, BSSe/Billing systems, Ordering/Provisioning APIs, Network/RTB services, SQL Server, Oracle, and SAP. Our Senior Software Engineering earn between $156,998 - $215,800 yearly. Not to mention all the other amazing rewards that working at AT&T offers. Joining our team comes with amazing perks and benefits: · Medical/Dental/Vision coverage · 401(k) plan · Tuition reimbursement program · Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) · Paid Parental Leave · Paid Caregiver Leave · Additional sick leave beyond what state and local law require may be available but is unprotected · Adoption Reimbursement · Disability Benefits (short term and long term) · Life and Accidental Death Insurance · Supplemental benefit programs: critical illness/accident hospital indemnity/group legal · Employee Assistance Programs (EAP) · Extensive employee wellness programs · Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone Weekly Hours: 40 Time Type: Regular Location: Plano, Texas It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. We are pioneers of making connections and have been ever since Alexander Graham Bell invented the telephone and founded our company. That was nearly 150 years ago, and we haven’t stopped innovating since. At our core, we help bring families, communities, and businesses together with the products and services they need to thrive every day. From the widespread and growing availability of 5G and Fiber to working on things we once only dreamed of—at AT&T, we create connections that change the world.