Rocky Warren

Principal Technical Lead and Product Manager, APIs

• Strong focus on customer satisfaction and ease of on-boarding with step-by-step guides, a command-line interface (CLI), and automated, always up-to-date API code samples.
• Perform product discovery and regularly prioritize to ensure team quickly delivers the right products at the right time. Furthered this by implementing "No Meeting Wednesday" and asynchronous stand-ups to increase focus time.
• Created uptime and availability tests with automatic rollback and alerting, confidently enabling continuous delivery of services.

Principal Software Architect

• Architect and implement distributed, streaming, event-driven systems capable of sub-second bill of materials (BOM) and scene updates on CAD models with hundreds of thousands of BOM lines.
• Public REST APIs built from the ground up to OpenAPI, JSON:API, and CloudEvents specifications. Inter-service communication via gRPC. Code coverage >90%.

Staff Data Engineer

• Created and own Scala core libraries and build plugins to reduce duplication, improve security, and multiply engineering team's productivity.
• Regularly audit AWS costs and sped up local development startup times 5x, saving tens of thousands of dollars per year.

Principal Software Engineer

• Transitioned most business-critical database table from mutable to immutable, enabling point-in-time user balance queries, robust statements, and snapshots. Snapshots resulted in query speeds up to 200x faster and a 75% reduction in overall database deadlocks.
• Migrated webhooks to serverless Lambda functions and scaled to millions of messages a day while reducing peak delays from hours to minutes and cutting costs by 50%. Launched with zero downtime (and greater than zero fist pumps).

Lead Developer

• Led development of API responsible for moving billions of dollars per year while decreasing partner "time to first API call" from hours to minutes with step-by-step guides and SDKs.
• Led Instant Bank Verification, cutting account verification times from three days to a few seconds via 3rd party integration. Built as containerized, auto-scaling microservice.

Senior Software Engineer

• Led company's foray into microservices with Dwolla Credit, integrating a credit provider to inject millions in buying power into the network. Mitigated partner downtime with caching and fault-tolerant background processes.
• Won internal hackathons by reducing ACH clearing times and allowing account creation via API. Each influenced what are now best-selling products.

Co-founder

• Built commodities trading platform from the ground up complete with reactive, real-time market, PDF contract generation, and e-signing.
• Secured with encryption in transit and at rest, A+ Qualys TLS score, and OWASP Top 10 mitigations.

Technical Lead

• Led CommandCenter project development, an in-cab self-driving GPS guidance display. Now factory installed in all large-scale John Deere vehicles worldwide. Two million+ lines of code, released on schedule, with all known defects closed.
• Led fortnightly meeting of 25 tech leads across all guidance displays comprising over 150 developers.

Software Engineer

• Led coding Katas of multiple 50+ developer groups teaching keyboard shortcuts, refactorings, test-driven development, pair-programming, and Linux shell commands.
• Organized company's first Hackathons. After votes from 200+ employees, won both with customer analytics, predictive keyboard, touch screen gestures, and Tetris! Demoed results to CEO and staff.

Software Engineer Intern

Software Developer

• Created psychology studies and GUIs in DirectX and GDI+.