Principal Software Engineer - Workday Developer

This position requires office presence of a minimum of 5 days per week and is only located in Plano, TX. 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.

What you?ll do:

We're seeking a Principal Software Engineer with proven leadership in architecting and delivering advanced solution on the Workday platform, emphasizing exceptional development skills with a focus on Workday Extend applications and Workday Orchestrator integrations. The ideal candidate will drive the technical vision for scalable, secure, and resilient HR and payroll technology capabilities that serve enterprise-wide needs. In this role, you?ll partner with Product, HRIS, Security, and Integration teams to craft modern architectures, mentor senior engineers, and set engineering standards for the Workday ecosystem. Responsibilities include:

Architecture & Delivery

• Lead end-to-end architecture for Workday solutions using Workday Extend and Workday Orchestrator for complex workflows.
• Own integration strategy across Workday Web Services (WWS), REST/SOAP APIs, EIB, RaaS, PECI/PICC, and Studio where appropriate.
• Advanced expertise in building Workday custom reports, custom objects, calculated fields, and boomerangs to support complex enterprise HR and integration requirements.
• Implement Workday-delivered AI-powered HR solutions.
• Drive scalable designs for event-driven and API-led integrations; define SLAs/SLOs and non-functional requirements (NFRs).

Engineering Excellence

• Establish coding standards, CI/CD pipelines, unit testing, end-to-end testing, and secure SDLC for Workday Extend apps and orchestrations.
• Ensure observability (logs/metrics/traces), automated monitoring/alerting, and robust error handling/retries for integrations.

Security & Compliance

• Design with Workday security domains, business process security policies, and segregation of duties (SoD).
• Implement data protection, encryption, secrets management, auditability, SOX/PII/PCI controls as applicable.
• Expert in Workday file-based integrations, including configuration and operation of Workday Data Router and SFTP for reliable, secure data exchange with external systems.

Product Partnership

• Translate business capabilities into technical roadmaps; shape backlog with measurable outcomes.
• Lead technical discovery, proof-of-concepts, and production rollouts with change management.

Mentorship & Influence

• Coach senior/staff engineers; conduct design reviews; evolve best practices and reusable patterns.
• Influence vendor/product roadmap and represent engineering in cross-functional forums.

What you?ll need:

• 7+ years in software engineering with 5+ years building on Workday (HR/HCM/Payroll) platforms.
• Expert with Workday Web Services , REST/SOAP , EIB , RaaS , Workday Studio ; strong JSON/XML/XSLT skills.
• Solid cloud experience (Azure and/or AWS), containerization fundamentals, and event-driven patterns (e.g., webhooks, pub/sub).
• Knowledgeable in Workday Extend building custom apps, components, and UI logic.
• Knowledgeable in Workday Orchestrator flows for complex, multi-step integrations.
• Proven leadership delivering large-scale, enterprise-grade, secure solutions with CI/CD and automated testing.
• Bachelor's in CS/Engineering or equivalent experience.

What you?ll bring:

+ Preferred qualifications:

• Experience with Workday Extend, Workday Orchestrator, Prism Analytics , BIRT , Report Designer , BPs, condition rules, and custom objects.
• Strong grasp of HR/Payroll processes (HCM Core, Absence, Benefits, Time, Talent, Compensation, US Payroll).
• Data privacy & compliance (SOX, GDPR, CCPA), secrets management, certificate lifecycle management.
• Excellent communication and stakeholder management; ability to influence at executive and engineering levels
• Bachelor's degree in Computer Science

Our Principal Software Engineering, earns between?$174,100-$261,100 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.

\#LI-Onsite ? Full-time office role-

Ready to join our team? Apply today.

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

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