Samuel Nagathota
Sr. Java Technical Architect expertise
- Role
- Senior Software Engineer at Marriott International
- Location
- Washington, DC, US
- LinkedIn followers
- 500 followers
About Samuel Nagathota
I am a Principal Software Engineer and Tolling Architect with over 18 years of experience designing and delivering large-scale, mission-critical systems across the tolling, transportation, and hospitality industries. My work spans distributed system architecture, microservices development, cloud engineering, and technical leadership across globally recognized organizations.At Marriott International, I architect and develop highly scalable microservices for the Global Promotions platform using Java 17+, Spring Boot, AWS (Lambda, S3, EC2), Kubernetes, DB2, and PostgreSQL. I lead end-to-end solution design, create HLD/LLD architecture, modernize system components, and guide engineering teams through complex technical challenges. My role also includes mentoring developers, partnering with Product Owners during grooming/discovery sessions, and collaborating across cross-functional teams to deliver secure, high-performing, cloud-native solutions.Prior to Marriott, as a Java Architect at North Highland, I supported the Texas Department of Transportation by contributing to verification, validation, and architectural enhancements across key transportation technology initiatives. My work focused on building resilient, scalable solutions that strengthened TxDOT’s statewide technology ecosystem.Earlier, at Conduent, I served as a Senior Subject Matter Expert and Tolling Architect, leading the design of enterprise-scale E-ZPass and All-Electronic Tolling (AET) back-office systems for multiple state agencies. I defined integration patterns, optimized transaction workflows, ensured PCI compliance, and partnered with tolling authorities to deliver high-performance, fault-tolerant tolling platforms.Across all roles, I bring deep expertise in distributed systems, event-driven architecture, API security, containerization (Docker/Kubernetes), CI/CD, and cloud modernization. I enjoy translating complex requirements into practical, scalable solutions—and mentoring teams to deliver technology that is secure, reliable, and built for the future.
Experience
Senior Software Engineer
Jan 2025 — Present · Bethesda, MD, US
Education
Kendriya Vidyalaya
Bachelor of Technology - BTech, Electrical and Electronics Engineering
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