**Job Description:** Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it. AT&T is looking for a Lead Software Engineer based in Mexico City. In this role, you will be part of our Product Development group, which is part of AT&T’s Technology Services (ATS) organization. ATS is responsible for building software-based products, services, and platforms that our customers love and need. Harnessing technology and rebuilding software expertise, the team is inspiring simplicity with projects that deliver revenue and cost savings opportunities. **What You Will Do:** + Lead cross-functional teams through the entire software development lifecycle (SDLC) for complex projects. + Collaborate with key stakeholders to develop, enhance, and maintain AT&T’s software platforms, driving new features and resolving issues. + Architect and implement robust, scalable systems using best practices and modern tools, with a focus on quality, efficiency, and continuous improvement. + Architect, design, and implement scalable applications using Java (Spring Boot), Python (FastAPI), or Node.js (Nest), with working knowledge of the others. + Drive adoption of best practices in software engineering, code quality, testing, and DevOps. + Champion AI-driven tools (e.g., GitHub Copilot, LLMs, RAGs) and evaluate emerging technologies for business impact. + Oversee robust data persistence using SQL and NoSQL databases (CosmosDB, MongoDB, PostgreSQL, Snowflake, Databricks). + Guide the implementation of modern testing frameworks, code review, static analysis, and CI/CD pipelines. + Ensure secure and efficient API and event-driven architecture design (REST, OpenAPI/Swagger, Kafka). + Promote cloud-native development leveraging Azure, Docker, and Kubernetes. + Foster agile excellence and continuous delivery across teams. + Collaborate with stakeholders to translate business requirements into technical solutions and mentor engineers. **What You Will Need:** + Deep expertise in one of the following: Java (Spring Boot), Python (FastAPI), or Node.js (Nest), with working knowledge of the other two. + Advanced experience with SQL and NoSQL databases, especially CosmosDB, MongoDB, PostgreSQL, Snowflake, and Databricks. + Proficiency with event-driven architecture, Kafka, and messaging services. + Mastery of modern API design: REST, Swagger, OpenAPI. + Expertise in automated testing and QA practices: Playwright, Cypress. + Advanced experience in code quality and security tools: Lint, Prettier, Veracode, SonarQube. + Strong background in CI/CD automation (GitHub Actions, Terraform), and cloud-native platforms (Azure, Docker, Kubernetes). + Deep understanding of the full SDLC, Agile/Scrum, SAFe, Kanban. + Familiarity with enterprise platforms: ServiceNow, Salesforce, TM Forum (highly desirable). **Additional Desirable Experience:** + Experience introducing and scaling AI-driven developer tools within teams. + Track record of transforming legacy systems to cloud-native, event-driven architectures. + Demonstrated success in mentoring, coaching, and upskilling engineering teams. + Experience working with large, distributed enterprise environments. **What You Will Bring:** + Bachelor’s degree in Computer Science, Engineering, or a related field (BS/BA preferred). + 5+ years of hands-on experience developing high-volume Java applications with Spring Framework and REST APIs. + Fully bilingual: must speak, read, and write in both Spanish and English. + The role is based in Mexico City. No relocation is offered. This position is hybrid; you may be expected to go into the office 1–2 days per week. **Why Join Us?** + Be part of a pioneering team impacting AT&T’s US business customers from Mexico City. + Work on strategic, high-impact projects that shape the future of telecommunications software. + Collaborate with talented professionals in an inclusive, innovative, and growth-oriented environment. + Opportunity for continuous learning and career advancement within a global telecommunications leader. Salary for Mexico City starting from MXN $100,000 gross monthly. The actual offered salary may be considerably higher based on your skills, knowledge and experience. **Joining Our Team Comes with Amazing Perks and Benefits:** + Life Insurance + Major Medical Expenses + Minor Medical Expenses + Monthly Grocery Vouchers: MXN $3,146 + Monthly Restaurant Vouchers: MXN $2,517 + Savings Fund + 30 days of Christmas Bonus + Employee discounts up to 50% off on eligible AT&T mobility plans and accessories **Ready to join our team? Apply today!** **Weekly Hours:** 40 **Time Type:** Regular **Location:** Naucalpan De Juarez, Estado de Mexico, Mexico 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