Gary Slootskiy is a Senior Software Engineer at Amazon with five years of professional experience building distributed, full‑stack systems and integrating large language models into production. He leads development of a comprehensive support ecosystem for Amazon Advertising, combining live support, LLM-powered chatbots, and contextual assistance to serve over a million advertisers and hundreds of internal associates. Proficient in Java, JavaScript, and React, he moves between backend architecture and frontend UX, evidenced by his open-source front-end contributions to Swell, a tool for testing streaming APIs. Based in San Francisco, he thrives on designing scalable solutions that reduce friction for both customers and internal teams, and brings a creative background (BFA) to pragmatic engineering tradeoffs.
5 years of coding experience
10 years of employment as a software developer
Bachelor of Fine Arts - BFA, Bachelor of Fine Arts - BFA at Boston University
Swell: API development tool that enables developers to test endpoints served over streaming technologies including Server-Sent Events (SSE), WebSockets, HTTP2, GraphQL, gRPC, and tRPC..
Role in this project:
Front-end Developer
Contributions:170 commits, 2 PRs, 1 push in 23 days
Contributions summary:Gary primarily contributed to the front-end development of the project, focusing on implementing UI components within the Swell API development tool. Their work involved removing unnecessary state elements and adding React Router to manage navigation within the application's SidebarContainer. The user also introduced new components for handling REST requests, expanding the tool's functionality to test various API endpoints and streaming technologies.
Swell: API development tool that enables developers to test endpoints served over streaming technologies including Server-Sent Events (SSE), WebSockets, HTTP2, GraphQL, and gRPC.
Contributions:1 release, 46 pushes in 22 days
apieventswebsocketstechnologiesgrpc
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Gary Slootskiy - Senior Software Engineer at Amazon