Principal I Software Engineer

Job description

**Powering the agentic revolution in travel.** Sabre is an AI-native technology leader, backed by one of the world’s largest travel data clouds. Built on an open, modular, cloud-native architecture, Sabre serves as the backbone for both established leaders and bold, new disruptors, guiding them to the next age of travel retailing through intelligent, connected, and personalized experiences. With AI at its core and operating at unparalleled scale, Sabre transforms insights into innovation, empowering airlines, hoteliers, agencies and other partners to retail, distribute and fulfill travel worldwide. ### **Principal Software Engineer – Cloud, GenAI, Agentic AI & Enterprise Orchestration Platforms** ### **Role Summary** ### **We are seeking an exceptional Principal Software Engineer to provide technical vision, architectural leadership, and hands-on engineering expertise across cloud-native platforms, enterprise applications, and next-generation AI solutions.** ### **This role is responsible for driving large-scale platform modernization, enterprise architecture, AI/ML adoption, Generative AI enablement, and Agentic AI workflows. The ideal candidate combines deep expertise in PHP, Java Spring Boot, Cloud Engineering, Distributed Systems, and AI-powered platforms with a proven track record of influencing engineering strategy across multiple teams and business domains.** ### **As a Principal Engineer, you will act as a technical leader, mentor, and trusted advisor, shaping the future-state architecture and engineering practices while enabling innovation through GenAI and intelligent automation.** ### **Key Responsibilities** ### **Technical & Strategic Leadership** - ### **Define and drive technical vision, architecture, and engineering strategy across multiple products and platforms.** - ### **Lead cross-functional initiatives spanning application modernization, cloud transformation, platform engineering, and AI adoption.** - ### **Serve as a technical authority for complex architecture and design decisions.** - ### **Establish engineering standards, development frameworks, and best practices across teams.** - ### **Mentor Senior Engineers, Technical Leads, and Engineering Managers.** - ### **Influence technology roadmaps aligned with business and organizational goals.** ### **Enterprise Architecture & Modernization** - ### **Architect and lead the evolution of enterprise applications using PHP, Java Spring Boot, Microservices, and Cloud-Native architectures.** - ### **Drive modernization programs including:** - ### **Monolith to Microservices transformations** - ### **Legacy platform modernization** - ### **Cloud migration and transformation** - ### **Platform consolidation initiatives** - ### **Create scalable reference architectures and reusable engineering patterns.** - ### **Evaluate and introduce emerging technologies that improve business outcomes and engineering productivity.** ### **AI/ML, GenAI & Intelligent Platforms** - ### **Lead design and implementation of AI-enabled enterprise applications and intelligent automation platforms.** - ### **Architect and develop solutions leveraging:** - ### **Large Language Models (LLMs)** - ### **Retrieval-Augmented Generation (RAG)** - ### **Prompt Engineering** - ### **Vector Databases** - ### **Semantic Search** - ### **AI Agents and Multi-Agent Systems** - ### **Design and implement Agentic AI workflows capable of autonomous task orchestration, reasoning, planning, and tool utilization.** - ### **Partner with Data Science and AI teams to operationalize ML models at scale.** - ### **Define AI governance, security, responsible AI practices, and monitoring frameworks.** - ### **Evaluate AI platforms including Azure OpenAI, OpenAI, AWS Bedrock, Google Vertex AI, Anthropic Claude, and enterprise AI ecosystems.** - ### **Drive adoption of AI-assisted engineering and developer productivity tools.** ### **Cloud & Platform Engineering** - ### **Define enterprise cloud architecture across AWS, Azure, and GCP environments.** - ### **Lead platform engineering initiatives that improve developer experience and deployment efficiency.** - ### **Drive Infrastructure-as-Code, GitOps, and automation strategies.** - ### **Lead implementation of:** - ### **Docker** - ### **Kubernetes** - ### **Service Mesh** - ### **API Gateway** - ### **Event-Driven Architectures** - ### **Optimize scalability, resilience, security, and cloud cost management across platforms.** ### **Reliability, Security & Operational Excellence** - ### **Establish enterprise standards for:** - ### **Security** - ### **Reliability** - ### **Availability** - ### **Performance** - ### **Observability** - ### **Drive implementation of monitoring, distributed tracing, logging, and AIOps capabilities.** - ### **Lead architecture reviews, risk assessments, and system resiliency programs.** - ### **Partner with Security and Compliance teams to embed secure-by-design principles.** ### **Collaboration & Executive Influence** - ### **Collaborate with Product, Architecture, Security, Data Science, Platform Engineering, and Business Leadership teams.** - ### **Translate strategic business objectives into scalable technology solutions.** - ### **Present technical strategies, architecture recommendations, and investment proposals to senior leadership.** - ### **Influence engineering culture, innovation, and organizational technical direction.** ### **Required Technical Skills** ### **Software Engineering** - ### **Expert-level experience in PHP (Laravel/Symfony).** - ### **Strong expertise in Java and Spring Boot.** - ### **Proven experience architecting large-scale enterprise systems.** - ### **Deep understanding of:** - ### **Object-Oriented Design** - ### **Domain-Driven Design (DDD)** - ### **Design Patterns** - ### **SOLID Principles** - ### **Distributed Systems** - ### **Strong experience designing REST APIs, GraphQL, and se