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Abhinav Singh
Mid-Level Full-Stack Software Developer specializing in web apps and microservices
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About
Software engineer with 2.5 years at Amazon working on the Package Tracking page (Amazon’s most visited page), delivering new customer actions like Cancel Delivery and Buy Again within a Spring Boot-based stack. Has hands-on experience with feature-flagged rollouts (Weblab), A/B testing, and scaling/load testing for Prime Day-level traffic, and is upskilling into React while leveraging modern AI coding tools on side projects.
Experience
Education
Key Strengths
- End-to-end ownership of high-traffic Amazon Package Tracking features (Controls Toolbar, Cancel Delivery, Buy Again)
- Experimentation-driven UI decisions via A/B testing with design and BI partners
- Debugged and mitigated rollout regression by correcting Weblab feature gating placement (frontend vs backend)
- Experience operating services at extreme scale (thousands to millions of requests/sec) and scaling for Prime Day/holiday peaks
- Structured approach to API endpoint design in microservices (requirements, schema, service layer, routing, tests, docs, CI/CD)
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