This role involves owning the systems that index and serve Prime Video's catalog content, focusing on AI-driven content discovery and search infrastructure. The MediaCoreExpert (MCX) team aims to enhance customer experience by leveraging large language models and semantic search. Engineers in this team are expected to work autonomously, solving complex problems and mentoring peers. The position emphasizes operational excellence and collaboration with various stakeholders.

• 3+ years of non-internship professional software development experience
• 2+ years of design or architecture experience of new and existing systems
• 1+ years of software development engineer or related occupational experience
• 1+ years of experience in designing and developing large-scale, multi-tiered, or distributed software applications
• 1+ years of Object Oriented Design experience
• Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
• Experience programming with at least one software programming language
• 3+ years of full software development life cycle experience

• Design, build, and own services that index and serve Prime Video catalog content
• Build and evolve AI agents that combine LLM reasoning and semantic search
• Develop search infrastructure that blends keyword and semantic signals with LLM re-ranking
• Own the full lifecycle of services from architecture to operational excellence
• Design and operate low-latency serving infrastructure for search results
• Integrate with large language models and agentic frameworks for AI systems
• Solve complex problems across distributed systems and AI agents
• Improve engineering practices including CI/CD pipelines and testing frameworks
• Mentor engineers on system design and AI/ML best practices
• Collaborate with scientists and product managers to translate business problems into technical solutions

• Employees at Amazon are often offered comprehensive health benefits—including multiple medical plan options (no pre-existing condition exclusions, 100% covered in-network preventive care), dental and vision plans, a 24/7 medical advice line from day one, expert second-opinion services, and broad mental-health support with several free counseling sessions (including pediatric). Financial wellness typically includes a 401(k) with company match (up to 2%), Restricted Stock Units (equity), FSAs, an emergency savings program, product and partner discounts, and even college-savings and home-purchase programs. Overall, the package is designed to support employees and their families’ health, finances, and day-to-day life.