Ryan Riebling

Ryan Riebling

Software Engineer, Engineering Manager
Minneapolis, US.

About

Seasoned engineering leader and software development manager with extensive experience across major tech companies and startups. Specializes in building scalable platforms, driving product velocity, optimizing operations, and leading high-performing engineering teams. Expert in full-stack development, AI-powered tools, analytics, and complex system migrations, consistently delivering significant business impact and technical excellence.

Work

Zestworld/Avail
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Head of Engineering

Remote, Remote, US

Summary

Led the comprehensive design, implementation, and successful launch of a full-stack platform empowering Comic book artists to manage fanbases, monetize content through subscriptions, and sell custom art.

Highlights

Led end-to-end design, implementation, and launch of a new platform for comic artists, enabling growth, paid subscriptions, and custom art sales.

Designed and built robust analytics and reporting systems, generating dashboards for critical KPIs like daily active users, subscription revenue, and retention rates.

Spearheaded the design, implementation, and launch of an AI-powered coverage tool, enhancing document summarization and question answering for diverse content.

Orchestrated and completed a successful SOC 2 compliance audit, implementing security controls including 2FA, role-based permissions, and automated data cleanup.

Amazon (Prime Gaming)
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Software Development Manager

Seattle, WA, US

Summary

Managed the Core Web team, overseeing the development and operation of a web platform that significantly increased product velocity, enhanced code ownership, and reduced operational costs through automated tooling and scaling solutions.

Highlights

Managed Core Web team, increasing product velocity and reducing operational costs by providing automated localization, GraphQL API tooling, and monitoring.

Led a critical scaling initiative, collaborating with business stakeholders and 10+ engineering teams to achieve accurate peak RPS targets and execute several organization-wide load tests.

Generalized and released a team dev tool to the broader Amazon developer community, leading to adoption by dozens of teams with thousands of weekly usage runs.

Directed a multi-organization Operational Excellence program, facilitating weekly meetings across 25 teams to share best practices, maintain SLAs, and review performance dashboards.

Twitch (Twitch Prime)
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Software Development Engineer II

Seattle, WA, US

Summary

Designed, implemented, and deployed complex systems for Twitch subscription entitlements, establishing foundational infrastructure across Amazon and Twitch ecosystems for seamless data synchronization.

Highlights

Architected and deployed one of the first Twitch subscription entitlement systems, integrating infrastructure across Amazon and Twitch ecosystems for robust data synchronization.

Designed and implemented the core data pipeline and reporting infrastructure for Twitch Prime, utilizing SQS, Kinesis, ETL, and Redshift/S3 for comprehensive data warehousing.

Led load testing and scaling readiness for the initial product launch, coordinating cross-team efforts to ensure robust performance for all Twitch services.

Developed and launched the Twitch Prime extension on twitch.tv, driving a 10x increase in new user free trials and a 3x surge in monthly customer engagement.

Amazon (Appstore)
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Software Development Engineer

Seattle, WA, US

Summary

Implemented critical components of redesigned API services for App Store orders and entitlements, facilitating seamless user experience and backend efficiency.

Highlights

Implemented key components of redesigned API services for App Store orders and entitlements, enhancing system architecture and user experience.

Successfully migrated over 1M RPS in aggregate traffic from legacy ordering and entitlement services to new, redesigned backend APIs, ensuring seamless transition.

Designed and implemented a new service to manage and optimize fulfillment URLs for Appstore client devices, integrating with new purchasing and entitlement systems.

Education

University of Wisconsin - Madison
Madison, WI, United States of America

B.S.

Computer Science & Computer Engineering (double major)

Skills

Javascript/Typescript

Javascript, Typescript.

Node.js

Node.

Postgres

Postgres, SQL Databases.

AWS

AWS, Cloud Computing.

Heroku

Heroku.

Ruby on Rails

Ruby on Rails.

React

React, Frontend Development.

NextJS

NextJS.

Python

Python.

Java

Java.

AI

AI, Artificial Intelligence.

SQS

SQS, Amazon SQS.

DynamoDB

DynamoDB, NoSQL Databases.

LLM Integrations

LLM Integrations, Large Language Models.

OpEx

OpEx, Operational Excellence.

Observability

Observability, Monitoring, Logging.

Agile Methodologies

Agile, Scrum, Kanban.

Distributed Systems

Distributed Systems, System Architecture.

Data Engineering

Data Engineering, ETL, Data Warehousing.

GraphQL

GraphQL, API Development.