Principal Engineer

JobID: 3019380Category:JobSchedule: Full timePosted Date: 2026-02-19T17:41:26+00:00JobShift::Applicants must be authorized to work for any employer in the U.S. We are unable to support or sponsor any U.S. immigration benefit (such as, but not limited to, H-1B, TN, STEM OPT) now or in the future.Summary:This position is responsible for working with cross-functional teams to determine the specifications, plans, and design of major enhancements, development of highly scalable, cloud-native systems. The ideal candidate is a hands-on technical leader who drives architecture decisions, mentors engineers, and ensures engineering excellence across multiple teams.Duties and Responsibilities:Lead architecture and design of large-scale, distributed, microservices-based systems.Drive technical strategy, design standards and best practices across engineering teams.Design and develop and optimize backend services using Java 17+ and spring boot 3.x.Build and maintain RESTful and event driven APIs with a focus on performance and scalability.Architect and deploy cloud-native solutions on AWS, contribute to or guide GCP-based implementations when applicable.Collaborate with DevOps and SRE teams on CI/CD pipelines for infrastructure automation and observability.Define and enforce builds and dependency management standards using Gradle and MavenLead code reviews, ensure code quality, and promote clean architectural and modern java practices.Mentor senior and mid-level engineers.Partner with platform and QE/QA teams. To translate business requirements into robust technical solutions.Identify and reduce technical debt while improving system reliability, security, and cost efficiency.Requirements:Education: Four (4) year degree or equivalent experience.Skills:10+ years of professional software development experience with at least 7 years of backend experience7+ years of hands-on expertise in Java (Java 17+).Professional Expertise experience with Spring Boot 3.x and the Spring Ecosystem.Proven experience designing, building and operating systems on AWS.A minimum of 1 year hands on GCP experience or working knowledge is a strong advantage.Solid understanding of microservices architecture, distributed systems and API design.Experience with Gradle and Maven for build and dependency management.Familiarity with containerization orchestration (Docker, Kubernetes).Experience with CI/CD pipelines and modern DevOps practices.Knowledge of relational and messaging systems.Knowledge of relational and messaging systems.Attitude:Strong sense of ownership and accountability for technical outcomes.Ability to lead through influence rather than authority.Passion for clean code, design quality and engineering excellence.Willingness to stay hands-on while thinking strategically.Comfort working in ambiguous problem spaces and defining clarity.Mentorship mindset with a focus on growing other engineers.Proactive approach to identifying risks, gaps and improvement opportunities.Strong communication skills and ability to collaborate across teams and stakeholders.Background checks will be conducted during the employment process. Any information will be reviewed through an individualized assessment in accordance with the Philadelphia Fair Criminal Record Screening Standards Ordinance.ADT is an Equal Employment Opportunity (EEO) Employer. We celebrate diversity and are committed to building an inclusive team that represents a variety of backgrounds, perspectives, and skills. ADT strives to ensure every employee and applicant feels valued. Visit us at jobs.adt.com/diversity to learn more.