This SDE II role at Fee Tech involves end-to-end ownership of systems that support over 2 million sellers. The position focuses on designing, building, and operating software solutions that process approximately 68.5 billion transactions across 23 countries. You will collaborate with senior engineers, product managers, and ML engineers to enhance the fee lifecycle using advanced technologies like AI and formal verification. The role emphasizes the direct impact of your work on the systems and the sellers who rely on them.

• 3+ years of non-internship professional software development experience
• 2+ years of design or architecture experience of new and existing systems
• 1+ years of experience in designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications
• 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
• Experience with Machine Learning and Large Language Model fundamentals

• Design and implement software solutions for major features and improvements
• Contribute across the full software development lifecycle including product definition, system design, coding, testing, deployment, and operational support
• Identify root causes of operational issues and implement permanent fixes
• Mentor and coach fellow engineers through code reviews and knowledge sharing
• Evaluate new technologies and approaches to solve problems using optimal data structures and algorithms
• Operate AI-native engineering practices in software delivery

• 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.