We are looking for a dynamic and experienced "Principal" Senior Engineer to spearhead the design, development, and delivery of diverse technology projects. This role will be central to driving a contact center transformation project, among other strategic initiatives at AT&T.; The idóneo candidate will lead a multidisciplinary scrum team, ensuring technical excellence, architectural integrity, and seamless integration with internal and third-party systems such as Salesforce and ServiceNow. You will collaborate closely with product managers, architects, and stakeholders to translate business needs into robust technical solutions, while fostering a culture of innovation, quality, and continuous improvement.

Key Contributions

Lead the architecture, design, coding, testing, and deployment of diverse software applications spanning backend, frontend, and cloud platforms

Guide the engineering team to adopt best practices in software development, quality assurance, automation, and security

Collaborate cross-functionally to align technical strategies with organizational goals and ensure timely delivery of impactful software

Promote DevOps practices including CI/CD pipelines, automated testing, and infrastructure as code to streamline delivery and operations

Mentor engineers to develop their skills and grow within a collaborative, agile environment

Identify and mitigate technical risks, optimize system performance, and maintain compliance with security standards

Lead technical documentation efforts and maintain clear communication with all project stakeholders





Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field

Minimum of 5 years of professional software development experience, including at least 2 years in technical leadership or lead engineer role

Proven ability to design and deliver complex software solutions across multiple technology domains and platforms

Experience working within Agile methodologies such as Scrum or Kanban

Technical Skill

Proficient in Python and backend development

Experience with Azure App Services, or other cloud service

Skilled in microservices architecture and RESTful API design

Familiar with integrating third-party APIs like ServiceNow and Salesforce

Knowledge of databases (SQL and NoSQL) and DevOps practice

Desired not required: Experience with contact center technologies, Google CES, IVR, chat automation/ intelligent

Desired not required: Experience implementing Generative AI/AI in technical solution

Non-Technical Skills

Leadership and team mentorship abilities with experience managing or guiding engineering team

Excellent communication skills, capable of bridging technical and non-technical audiences





Strategic thinker with a customer-centric mindset and problem-solving orientation

Committed to continuous learning and fostering an agile, growth mindset culture

Effective at managing multiple priorities and driving projects to successful completion

Strong desire to grow professionally

Intermediate-Advanced English fluency

This is a team leadership role and there is an expectation that you visit the AT&T; office in Mexico City at least once per week.

Our Principal Software Engineer earns between $130,000 – $195,000 MXN gross monthly. Individual starting salary within this range will depend on experience, expertise, and education/training. For very exceptional candidates we may consider additional rewards.

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

Annual Performance Bonus: Up to 13% of base salary

Employee discounts up to 50% off on eligible AT&T; mobility plans and accessories

If you're interested and curious in exploring this opportunity and have the skills we require please reach out to me for a confidential discussion.

Seniority levelMid-Senior level

Employment typeFull-time

Job functionInformation Technology, Consulting, and General Business

IndustriesSoftware Development, Telecommunications, and IT Services and IT Consulting

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📌 Senior Principal Software Engineer (Ciudad de México)
🏢 At&T
📍 Ciudad de México