Rayyan Karim

Collaborated within a 10-member multidisciplinary engineering team to define system requirements and architecture for converting a Class 7 diesel truck into an electric vehicle sponsored by PACCAR. Authored and maintained 5+ SysML and SysML v2 architectural models, improving subsystem traceability and cross-team design communication. Partnered with electrical engineers to validate high-voltage battery and charging requirements against project specifications and safety constraints.

Associate Systems Engineer - PACCAR E-Truck Challenge at UW Seattle - Seattle, WA

(2025-09 - 2026-06)

• Collaborated within a 10-member multidisciplinary engineering team to define system requirements and architecture for converting a Class 7 diesel truck into an electric vehicle sponsored by PACCAR.
• Authored and maintained 5+ SysML and SysML v2 architectural models, improving subsystem traceability and cross-team design communication.
• Partnered with electrical engineers to validate high-voltage battery and charging requirements against project specifications and safety constraints.
• Facilitated integration planning across multiple engineering disciplines to support end-to-end system development.

Backend Intern - Quantiiv - Remote

(2025-06 - 2025-08)

• Reverse-engineered and documented 3+ Python backend repositories, mapping Toast REST API authentication, order retrieval, and synchronization workflows to accelerate developer understanding by approximately 30%.
• Analyzed 10+ backend API endpoints and data flows, identifying integration patterns that improved maintainability and cross-service debugging.
• Validated cloud ingestion pipelines processing thousands of restaurant transactions in Google BigQuery checkpoint tables, ensuring reliable synchronization between POS systems and analytics infrastructure.
• Strengthened technical proficiency in API-driven architectures, data pipelines, and secure cloud integration within backend environments.

Cybersecurity Research Intern - University of Washington Bothell - Bothell, WA

(2024-03 - 2024-12)

• Implemented an end-to-end encrypted connection using Flutter with Google's Nearby Connections API, enabling 100% offline file transfer between up to 4 concurrent devices.
• Utilized a custom Dart package for media sharing without internet dependency, achieving under 5 seconds of average latency for 50 MB files.
• Integrated Bluetooth Basic Dart package to support file sharing via Bluetooth, which enhanced connectivity options.
• Ensured seamless communication and privacy in low-connectivity areas by combining offline peer-to-peer technologies with advanced cryptography tools.

B.S. - Computer Science - University of Washington (2022-09 - 2026-06)