Senior Software Engineer

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.

Our Product Development group, part of AT&T’s Technology Services (ATS) organization, is responsible for building software-based products, services, and platforms that our customers love and need. By harnessing technology and rebuilding software expertise, the team is inspiring simplicity with projects that deliver revenue and cost-saving opportunities.

AT&T is seeking a Senior Software Engineer based in Mexico City. In this role, you will play a critical part in designing, developing, and maintaining high-quality software solutions to transform industry-standard order, delivery, and assurance management systems. You will collaborate closely with Product Management, Business Systems, and Operations teams to develop and enhance AT&T’s software platforms, working on new features, enhancements, and defect resolution throughout the development lifecycle. You will independently deliver robust, scalable systems, contribute to technical discussions, and mentor less experienced team members in a collaborative, agile environment focused on continuous improvement and innovation.

What You Will Do :

Design, develop, and maintain scalable applications with deep expertise in one of the following : Java (Spring Boot), Python (FastAPI), or Node.js (Nest), with working knowledge of the other two.

Take ownership of key technical deliverables across the full software development lifecycle (SDLC).

Apply and advocate best practices in software engineering, code quality, testing, and DevOps.

Leverage AI-driven tools (e.g., GitHub Copilot, LLMs, RAGs) and stay current with emerging technologies.

Implement data persistence solutions using SQL and NoSQL databases (CosmosDB, MongoDB, PostgreSQL, Snowflake, Databricks).

Use modern testing frameworks (Playwright, Cypress), code review, static analysis (Lint, Prettier, Veracode, SonarQube), and CI / CD pipelines (GitHub Actions, Terraform).

Design and implement APIs (REST, OpenAPI / Swagger) and support event-driven architectures (Kafka, messaging services).

Contribute to cloud-native development using Azure, Docker, and Kubernetes.

Participate in agile processes (Agile / Scrum, SAFe, Kanban) and team ceremonies.

Collaborate with stakeholders and team members to translate business requirements into effective technical solutions.

Mentor and support junior developers.

What You Will Need :

Hands-on coding, troubleshooting, and implementation across the stack.

Participation in code reviews and technical discussions.

Collaboration in agile ceremonies, team meetings, and cross-functional projects.

Mentoring and supporting junior engineers.

Deep expertise in one of the following : Java (Spring Boot), Python (FastAPI), or Node.js (Nest), with working knowledge of the other two.

Strong experience with SQL and NoSQL databases (CosmosDB, MongoDB, PostgreSQL, Snowflake, Databricks).

Experience with event-driven architecture, Kafka, and messaging services.

Proficiency in API design : REST, Swagger, OpenAPI.

Experience in automated testing : Playwright, Cypress.

Familiarity with code quality and security tools : Lint, Prettier, Veracode, SonarQube.

Practical knowledge of CI / CD automation (GitHub Actions, Terraform) and cloud-native platforms (Azure, Docker, Kubernetes).

Solid understanding of SDLC and agile methodologies (Agile / Scrum, SAFe, Kanban).

Familiarity with enterprise platforms such as ServiceNow, Salesforce, or TM Forum (highly desirable).

What You Will Bring :

Bachelor’s degree or equivalent in Computer Science or a related field.

Minimum of 3 years of professional experience in software development, with a strong focus on backend technologies.

Desired experience : AI-driven developer tools, involvement in migration or modernization of legacy systems, and experience working in large, distributed enterprise environments.

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 $81,000 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

AT&T is an equal employment opportunity (EEO) employer that provides reasonable accommodations for qualified individuals with disabilities. This position is based in Mexico City; no relocation offered. This policy applies to all applicants regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, gender, sex, sexual orientation, gender identity or expression, genetic information, marital status, veteran status, or any other characteristic protected by law.

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