**Job Description:** **This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.** Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it. As a Lead Full Stack Software Engineer, you will play a critical role in the design, development, testing, and deployment of high-performance, scalable software applications across both front-end and back-end technologies. This hands-on engineering position requires strong technical expertise, leadership capabilities, and a passion for delivering high-quality solutions. You will collaborate across teams to drive technical innovation, mentor junior engineers, and ensure adherence to best practices in software development and automation. **What You’ll Do:** + Design, develop, and code high-quality software applications using diverse programming languages and frameworks including Java, Spring Boot, Spring MVC, and Microservices. + Build and maintain APIs leveraging Mulesoft and RESTful principles. + Create and maintain API documentation using tools such as Swagger. + Develop and execute automated test plans using jUnit, Spock, Mockito/JMock, Selenium, and Cucumber to ensure functional and regression testing. + Monitor API performance and system health using ELK (Elasticsearch, Logstash, Kibana), Dynatrace, and Quantum dashboards. + Utilize JSON, XML, SoapUI, and Postman extensively for API testing and validation. + Collaborate with engineers, architects, and stakeholders to gather requirements, estimate tasks, and design solutions. + Troubleshoot and resolve application and environment problems efficiently, leveraging advanced Git skills and branching strategies. + Support and facilitate seamless software deployment processes using Jenkins, Docker, OpenShift, and Maven. + Mentor junior team members and contribute to long-term technical strategies. + Work with relational databases and NoSQL technologies such as Cosmos DB to manage data persistence. + Develop front-end components and user interfaces using JavaScript, jQuery, Angular, React, and GIR. **What You’ll Bring:** + 8+ years of experience in Java development including J2EE, Hibernate, Spring Boot, Spring Cloud, Spring MVC, Kafka (event-driven programming), Microservices, and RESTful Web Services. + 3+ years of hands-on experience building APIs in Mulesoft. + 6+ years of experience using API documentation tools, with Swagger preferred. + 8+ years of experience in API monitoring and dashboards using ELK, Dynatrace, and Quantum. + 8+ years working with JSON, XML, SoapUI, and Postman for API development and testing. + 8+ years of expertise in unit and functional testing frameworks such as jUnit, Spock, Mockito/JMock, Selenium, and Cucumber. + Strong skills with advanced Git usage and branching strategies. + Proficient in front-end technologies including JavaScript, jQuery, Angular, React, and GIR. + Experience with CI/CD and container orchestration tools like Jenkins, Docker, and OpenShift. + Solid understanding of relational databases and NoSQL databases including Cosmos DB. + Proven problem-solving skills with expertise in troubleshooting complex software issues. + Strong communication skills to clearly explain technical concepts to diverse stakeholders. + Leadership abilities to guide, motivate, and uphold engineering standards within the team. + 5+ years of software development experience with a focus on design and coding. + Bachelor’s degree in Computer Science or related field preferred. + Familiarity with Azure cloud fundamentals and Kubernetes is a plus. Our Lead Software Engineering, earns between $128,400-$215,800 USD Annual not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training. **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. \#LI-Onsite – Full-time office role- **\#ConsumerTechnologyeXperience** Ready to #transformdigital with us? **Apply now!** **Weekly Hours:** 40 **Time Type:** Regular **Location:** Plano, Texas **Salary Range:** $128,400.00 - $215,800.00 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. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status