About

I’m Alay Jasapara, a Lead Software Engineer working toward a Principal Engineer role, with over 10 years of experience building and owning large-scale, distributed systems. My background spans full-stack engineering, where I design high-throughput backend platforms and APIs while also building clean, intuitive, production-grade user interfaces. I enjoy working close to real problems—where architecture, performance, and user experience intersect.

I currently work at T-Mobile, where I lead and influence the design of mission-critical catalog and platform services that power multiple internal and external consumer experiences. Alongside hands-on technical work, I lead a 30+ member onshore and offshore team, guiding architecture decisions, execution strategy, and delivery for complex, high-impact initiatives. I’ve supported major enterprise launches, driven performance and security improvements, and partnered closely with product, QA, and dependent teams to ensure reliability at scale.

In recent years, my focus has expanded beyond traditional systems into AI-driven and agentic architectures. I’ve led and delivered multiple agentic AI projects, designing agent-based workflows that handle orchestration, decision-making, and automation in real-world environments. These systems integrate modern AI models with tool-calling, state management, and existing enterprise platforms—bridging the gap between experimental AI and production-ready software. In parallel, I’ve played a key role in building AI talent, leading 40+ interviews for AI engineers as part of a confidential, forward-looking initiative within my organization.

Before T-Mobile, I spent several years at Sabre Corporation, where I helped modernize legacy systems by breaking down monoliths into microservices, built RESTful platforms using Spring Boot and Docker, and delivered both backend services and frontend applications using React and Node.js. Earlier in my career, I developed deep foundations in Java, enterprise integration, cloud infrastructure, and API design—skills that continue to shape my architectural approach today.

I’m deeply invested in technical leadership without authority: setting direction through design, raising engineering standards, mentoring engineers, and creating clarity across teams. My long-term goal is to operate consistently at the Principal Engineer level, where impact is measured not just by code, but by system quality, architectural longevity, and organizational influence. I’m especially excited about building simple, scalable systems and advancing agentic AI patterns that can responsibly and reliably augment real-world software platforms