Justin Abrahms

Leading infrastructure modernization and platform engineering initiatives at organic food e-commerce company. Focusing on solving DevOps bottlenecks and improving operational excellence.

• Architecting Kubernetes platform to reduce operational complexity and improve developer velocity
• Implementing comprehensive incident review processes to reduce customer-impacting errors
• Solving DQA (Data Quality Assurance) bottlenecks affecting deployment pipelines
• Developing feature flag guidelines and best practices for the engineering organization
• Building on AWS networking and Kubernetes expertise to modernize infrastructure

Led acceleration of delivery pace across eBay's ~700 engineer Payments organization and chaired Open Source Program Office. Transformed teams from worst-in-org performance to implementing continuous delivery practices with fully automated deployments, trunk-based development, and comprehensive testing while achieving top 10% performance rating.

• Achieved 97% participation rate (920 responses) in developer experience survey driving organizational improvements
• Embedded with 7 Payments teams, transforming them to trunk-based development and automated deployments
• Led comprehensive build vs buy analysis and rollout of company-wide feature flagging system
• Defined engineering career framework released company-wide for 2023
• Chaired Open Source Committee, achieving security, compliance, and developer experience goals

Led platform team for federated GraphQL system that unified Walmart's two separate e-commerce experiences (Grocery and General Merchandising) into a single platform powering all mobile apps and walmart.com.

• Architected federated GraphQL system with ~20 subgraphs replacing entire e-commerce stack in 14 months
• Unified two separate customer experiences into single Walmart app across Android, iOS, and web
• Designed domain-based architecture eliminating data duplication across services
• Led 11-month development cycle from first check-in to customer rollout
• Established operational excellence culture and cross-organization change management

Founding hire for AWS MediaStore project, a data store specifically geared towards live video streaming, launched at AWS re:invent. Later transitioned to pre-launch team that became AWS Skill Builder.

• Built large portions of asynchronous file transfer logic in Go for live video streaming
• Designed data persistence patterns for the main Java stack handling 10k+ req/sec
• Built microservice from ground up for handling access to scarce resources
• Improved operational excellence at both team and organizational levels
• Started lunch-and-learn series educating developers on internal AWS technology

Led product engineering and managed team through quarterly releases. Focused on software resiliency and quality as driver for customer engagement.

• Documented engineering culture in open source repository
• Led ground-up rewrite of billing system with A/B testing
• Drove big architecture shift towards React + API from coupled Django/Backbone