AT&T

Principal Software Engineering

AT&T$174K — $261K *
Plano, TX 75025In-Person
Telecommunications & Hardware
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years in progressive software engineering with leadership or architectural roles
  • Bachelor's or Master's degree in Computer Science, Engineering, or equivalent
  • Proven ability to influence technical vision and business outcomes
  • History of leading end-to-end delivery for applications or major platform components
  • Strong collaboration with business and cross-functional teams

Responsibilities

  • Architect and implement core INLAP components/services
  • Provide strategic leadership for architecture and technology adoption
  • Mentor and develop engineering team members
  • Collaborate with product owners and senior leadership on technical strategies
  • Evaluate and recommend new technologies
  • Lead code reviews ensuring performance and scalability
  • Ensure accountability for production deployment and incident management
  • Champion best practices in Agile and DevSecOps methodologies

Benefits

  • Medical/Dental/Vision coverage
  • 401(k) plan
  • Tuition reimbursement program
  • At least 23 vacation days and 9 paid holidays
  • Paid Parental and Caregiver Leave
  • Adoption Reimbursement
  • Short and long-term disability benefits
  • Life and Accidental Death Insurance
  • Employee Assistance Programs (EAP)
  • Employee wellness programs and discounts on AT&T services
Full 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.

What You'll Do

As a Principal Software Engineer on the INLAP development team, you will lead the vision, architecture, and implementation of critical services that power fiber service qualification and address data management for AT&T. You will architect complex solutions, drive the design and strategic direction for core application components, and provide deep technical mentorship to elevate the team's capabilities. Your role will blend technical leadership, cross-team collaboration, and application strategy, delivered at scale.

Key Responsibilities
  • Architect, design, and lead the implementation of foundational INLAP components/services.
  • Provide strategic technical leadership; set direction for architecture, code quality, and technology adoption.
  • Mentor, coach, and develop junior and senior engineers; foster a high-performance engineering culture.
  • Collaborate with product owners, solution architects, and senior leadership to define business-aligned technical strategies.
  • Evaluate, recommend, and incorporate industry trends and new technologies.
  • Lead design and code reviews to ensure high standards in performance, security, reliability, and scalability.
  • Take accountability for production-grade deployment, observability, and incident management of core platform services.
  • Guide process improvement and champion best practices in Agile, DevSecOps, and system delivery.
  • Represent the engineering team with stakeholders and in cross-functional initiatives.


What You'll Need

  • Experience: 7+ years of progressive software engineering experience, including several in architectural, leadership, or staff+ roles delivering complex enterprise systems.
  • Education: Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience.
  • Vision & Influence: Demonstrated ability to set and drive technical vision, influence business direction, and deliver measurable impact.
  • Component/Platform Leadership: Proven history of leading end-to-end delivery for entire applications or major platform components.
  • Collaboration & Communication: Strong track record working with business partners, leadership, and large cross-functional teams.


What You'll Bring

Required Technical Skills
  • Expert-level proficiency in multiple programming languages relevant to modern enterprise backend systems.
  • Deep mastery of microservices, distributed architecture, API design, and associated security patterns.
  • Significant experience designing, integrating, and optimizing complex data systems at scale (SQL, NoSQL, geo-spatial, event-driven).
  • Advanced knowledge of cloud-native platforms, DevSecOps practices, CI/CD, containerization, and observability tools.
  • Ability to evaluate, select, and champion adoption of new frameworks, platforms, and tools.
  • Strong understanding of performance tuning, scalability, and high availability.


Required Soft Skills
  • Inspirational technical leadership and mentoring capabilities.
  • Exceptional problem-solving, analytical, and critical-thinking abilities.
  • Executive-level communication and stakeholder engagement skills.
  • Business acumen; able to translate organizational needs into technical direction.
  • Commitment to continuous improvement and technical excellence.


Preferred Qualifications

  • Experience architecting or modernizing address/domain data management, service qualification, or large telecom OSS/BSS platforms.
  • Thought leadership publications, open-source contributions, or speaking in technical domains.
  • Industry certifications in cloud, security, or architecture.
  • Familiarity with enterprise architecture frameworks.
  • Hands-on experience with front-end or full-stack system design is a plus.


#LI-Onsite Full-time office role.

Ready to join our team?

Apply today.
Our Principal Software Engineering jobs earn between $174,100.00 - $261,100.00 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


Weekly Hours:
40

Time Type:
Regular

Location:
USA:TX:Plano / W Plano Pkwy - Adm:3400 W Plano Pkwy

Salary Range:
$174,100.00 - $261,100.00

About AT&T

Cricket Wireless is a U.S.-based company that offers prepaid wireless voice, text, and data services. Cricket Wireless was founded in 1999 by Leap Wireless International, Inc. Currently, it operates as a subsidiary of AT&T Inc.

AT&T Careers

Joining AT&T means becoming part of a global team known for driving innovation and leading the telecommunications industry. It's an opportunity to grow your career at one of the most diverse and resource-rich companies in the world. Work You'll Do At AT&T, we're not just about phone lines and data plans. We're about connecting people and fostering relationships. As a member of our team, you'll help deliver cutting-edge solutions across various sectors, ensuring that our services are not only available but also transformative. Lead with Innovation Embrace a role at AT&T where technology meets creativity. Our professionals lead the market in developing and deploying technology solutions that transform how people communicate and do business. We are pioneers in creating new paths for technology, with a focus on sustainable and responsible innovation. Join a Diverse and Inclusive Team AT&T is committed to diversity and inclusion, ensuring that all employees can thrive. We are proud to offer diversity training and leadership programs that empower our team members to grow professionally and personally. Our culture is one of inclusivity, where every voice is heard and valued. Explore Job Opportunities Whether you're looking for an entry-level position or a more senior role, AT&T offers a range of job opportunities across various fields. From engineering to marketing, our team is composed of skilled professionals who are leaders in their respective areas. Internship Programs Kickstart your career with an AT&T internship. Gain hands-on experience, work on real projects, and learn from leaders in the industry. Our internships provide a robust platform for learning and growth, helping you build skills that are crucial for future success. Benefits and Growth AT&T is dedicated to the growth and development of its employees. We offer comprehensive benefits, including health care, retirement plans, and continuous professional development opportunities. With resources like career coaching and resume workshops, we support your journey every step of the way. Networking and Professional Development Expand your professional network within AT&T through various networking events, mentorship opportunities, and collaborative projects. Our focus on career development is designed to help you reach your professional goals, enhancing your skills and preparing you for leadership roles. Stay Connected Join Our Team Discover the career you've always wanted by exploring the open positions at AT&T. We are constantly on the lookout for passionate, innovative, and driven individuals to join our team. Check out our current job listings and find where your skills and interests align with our needs. Keep Up to Date Stay informed with the latest career tips, company news, and industry insights—all from the professionals who are part of our team. AT&T is a place where you can make an impact, leading the way in the telecommunications industry. Job Alert Emails Customize your experience by signing up for job alerts that match your career preferences. Stay ahead of the curve and be the first to know about exciting and rewarding opportunities at AT&T. At AT&T, your career is poised for success, equipped with the right tools, culture, and team to make it happen. Join us and be part of a company that values innovation, leadership, and a diverse workforce.
Learn more about AT&T
Size
203,000 employees
Market Cap
$131.2 billion
Industry
Net Income
-$5.1 billion
Founded
1983
5 Year Trend
+0.6%
Revenue
$171.7 billion
NASDAQ

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