Principal Software Engineering
Plano, Texas
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.
AT&T will not hire any applicants for this position who require employer sponsorship now or in the future.
Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to 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.
As part of AT&T’s Technology Services (ATS) organization, we are responsible for building software-based product us, services, and platforms that our clients 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 Principal Software Engineer based in Plano, TX. In this role, you will play a critical part in designing, developing, and maintaining high-quality software solutions to transform industry-standard order, delivery, coaching, and management systems. You will collaborate closely with Operations teams to develop and enhance AT&T’s software platforms, working on new features, enhancements, defect resolution throughout the development lifecycle. You will deliver robust, scalable systems, contribute to technical discussions, and mentor less experienced team members in a collaborative, agile environment focused on continuous improvements and innovation.
What you’ll do:
Contribute to the development of both Frontend (UI) and Backend (BFF) layers utilizing Typescript/JavaScript.
Create and support the development of responsive/adaptive/native web applications.
Employ engineering techniques to build high-performance pages, user and browser friendly and device agnostic UI/Web solutions.
Take ownership of key technical deliverables across the full software development lifecycle (SDLC).
Effectively use Git Hub Co-pilot across SDLC for pair programming, unit test cases, and automation test cases.
Leverage AI-driven tools (e.g., GitHub Copilot, Agentic AI) and stay current with emerging technologies.
Implement data persistence solutions using SQL and No SQL databases (MongoDB, PostgreSQL, Snowflake, Databricks, Azure SQL).
Use modern testing frameworks, code review, static analysis (Lint, Prettier, Veracode, SonarQube), and CI/CD pipelines (GitHub Actions, Terraform).
Design and implement APIs (REST, Open API, Swagger) and support event-driven architectures (Kafka, IEBUS).
Contribute to cloud-native development using Azure, Docker, jFrog, and Kubernetes.
Partner with Enterprise, Application Architecture teams and contribute to the detailed design and architecture to enable secure, scalable, and maintainable software.
Focus on scalability, security, and availability of all applications and processes.
Design, code, test, debug, and document new and existing components to ensure that software meets business, quality, and operational needs.
Implement all critical NFRs defined at solution level.
Constantly improve performance with the help of application monitoring tools such as tTrace, Quantum Metrics, etc.
Collaborate with stakeholders and team members to translate business requirements into effective technical solutions.
What you’ll need:
As a Principal Software Engineering, you will be responsible for the overall delivery process of a software application or service, including design, development, testing, deployment, production application support (e.g., troubleshooting) and maintenance with a focus on automation.
What you’ll bring:
Required Experience:
8-10 years’ experience
Technical Career Pathway (TCP) role.
Required Qualifications:
React.js
Node.js
Angular.js
Nest.js
Micro Front-End Architecture
Typescript
HTML.5
XML
CSS3
Java
Javascript
REST Services
NoSql technologies (MongoDB)
Kafka
Redis
Azure/AWS
Prometheus/Grafana
Git
Jira
Jenkins
Docker
Kubernetes
jFrog
Desired Qualifications:
Previous experience as DevOps/Cloud Engineer
Knowledge Infrastructure & Cloud Management - provisioning, configuring, and managing Azure resources (Resource Groups, Storage Accounts, App Services, Azure App Center, etc.).
Experience implementing CI/CD pipelines using GitHub Actions or Azure DevOps
Ability to manage secrets and sensitive data using Azure Key Vault and Git Hub repository secrets
Strong understanding of cloud platforms (e.g. Azure, AWS, Google Cloud) and their services
Adaptability and flexibility in a dynamic environment
Strong organizational skills and ability to prioritize initiatives
Excellent team player and commitment to continuous learning and improvement
Desired Education:
Bachelor of Science degree in Computer Engineering, Computer Science, Applied Science, Electrical Engineering, or Math; or Developer nanodegree; or equivalent experience preferred.
Supervisory: No
Our Principal Software Engineering, earns between $158,200 - $237,400 annually. 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
Ready to join our team? Apply today
#LI-Onsite – Full-time office role
Weekly Hours:
40Time Type:
RegularLocation:
Plano, TexasSalary Range:
$158,200.00 - $237,400.00It 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.
Job ID R-93860 Date posted 12/19/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
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Confirm your qualifications align with the job requirements and submit your application.
Assessments
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Interview
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Conditional Job Offer
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