Principal Applications Developer

AT&T

Principal Application Developer at AT&T shaping application solutions and driving business transformation. Collaborating with teams to develop and maintain modern applications leveraging cloud technologies.

Posted 5/12/2026full-timePlano • Texas • 🇺🇸 United StatesLead💰 $158,200 - $237,400 per yearWebsite

Tech Stack

Tools & technologies

CloudDockerJavaJenkinsKafkaKubernetesMicroservicesOpenShiftPythonSpring BootSpringBoot

About the role

Key responsibilities & impact

Collaborate with business, Network, and IT stakeholders to translate strategic objectives into actionable technology roadmaps.
Design, develop, and maintain applications using Java, Springboot , Microservices, and modern cloud technologies.
Analyze business requirements and propose innovative, cost-effective solutions from ideation to production.
Lead solution design sessions, ensuring scalability, operational excellence, and alignment with customer needs.
Mentor development teams, promote best practices, and foster a culture of continuous improvement.
Provide hands-on development for complex components, resolve critical defects, and support production issues.
Track and report on IT portfolio metrics, project timelines, and delivery status to ensure successful outcomes.
Work with cross-functional teams to clarify requirements, align priorities, and maintain delivery transparency for stakeholders.

Requirements

What you’ll need

Bachelor's degree in computer science, plus 9+ years of progressive experience in software development and solution architecture.
Extensive hands-on expertise with agentic AI, AI-assisted development, and LLM-based application patterns, including Python, LangChain / LangGraph , prompt workflows, tool integration, and responsible AI practices.
Proficiency with AI tools such as GitHub Copilot, Claude, Windsurf, and agent-based coding, as well as expert-level skills in Java, Springboot (REST, MVC, Security), Microservices, and modern cloud technologies.
Strong knowledge of telecom industry standards, business processes, and technology solutions.
Deep experience with Docker, Kubernetes, Bitbucket, Kafka, Jenkins, Git, OpenShift, AKS, and cloud-native development.
Proven ability to gather, document, and analyze complex business and technical requirements, lead solution design, manage product backlogs, and guide Agile sprint/release planning.
Excellent communication and leadership skills, including mentoring teams, conducting technical reviews, and maintaining documentation repositories.
(Preferred) Experience in end-to-end business process optimization and IT portfolio management.

Benefits

Comp & perks

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.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaSpringbootMicroservicesPythonLangChainLangGraphDockerKubernetesGitAgile

Soft Skills

communicationleadershipmentoringcollaborationproblem-solvingcontinuous improvementrequirements gatheringdocumentationsolution designproject management

Certifications

Bachelor's degree in computer science