Marco Serrano Email & Phone Number

Earendil: Pioneering decentralized communication network:• Co-developed an innovative, decentralized anonymous communication and transaction network from concept to alpha release in just 6 months as a key member of a 4-person team• Architected and implemented critical system components using Rust, including:Scalable distributed hash table (DHT), custom socket infrastructure with optimized receive queue data structures, RPC methods for seamless inter-node communication, secure P2P chat functionality, intuitive Rust egui frontend, and reliable on-chain payment system for incentivized participationMel: Next-generation layer 1 blockchain, written in Rust:• Spearheaded chain upgrade process by developing a state summarization tool and implementing genesis block integration logic for seamless hard fork transition• Expanded protocol functionality by designing and implementing RPC methods, enabling secure third-party application integration• Authored and implemented improvement proposals to optimize light-client verification on Ethereum, enhancing cross-chain interoperability• Resolved critical issues in wallet functionality and minting mechanisms, improving overall system reliabilitySzaldi: Cross-chain relay bridge:• Architected and developed a trustless relay bridge contract from the ground up, enabling secure transfer of Mel assets to the Ethereum network and back• Implemented the Keccak family of hash function in non-Turing complete, low-level language, Melodeon, enabling light-client verification of Ethereum transactions on Mel• Utilized Solidity, Foundry and Rust, as well as static analysis tools Slither and Mythril, for exhaustive unit and differential fuzz testingGeph: cutting-edge censorship circumvention VPN, written in Rust:• Led an integration with Mel for added security, added asymmetric key authentication, made improvements to wry GUI, and added new methods to protocol RPC, all while maintaining backwards compatibility

New York, Ny, Us

• Helped students understand the fundamental concepts of programming using the Python programming language and its related libraries• Debugged errors alongside students, guiding them towards solutions with leading questions and by example• Facilitated program development, making sure that design specifications were correctly implemented and that program behavior was as required

Austin, Tx, Us

• Was part of a 4-person Agile team which built a React Native mobile app for Android and iOS from scratch all the way to MVP, with CRUD capabilities for 3 different user roles, user registration and automated email invitation, user profiles, posts with images/videos, notifications using Firebase Cloud Messaging, and user authentication via JSON web tokens• Implemented full-stack development in each user story, creating backend APIs using Nodejs, Express, and Sequelize to communicate with a MySQL database• Created and authenticated REST API HTTP requests to and from the React Native frontend UI to the backend API server to save objects to authenticate user, save and retrieve objects from DB, etc.• Designed modules and components for the UI in JSX, styled beautifully in both Android and iOS• Participated in DevOps which utilized Fastlane scripts to build and deploy our app to the App Center• Received a crash-course in all of the most relevant development languages for both web and mobile platforms, including React, Angular, Android, Ionic, vanilla JS, CSS, and HTML

Austin, Tx, Us

• Ensured residents had the best possible experience at our communities — one of healthy living, academic success, and a spirit of community.• Assisted in marketing campaigns, leasing efforts, residence life programs and communicating with parents.• Handled package registration into our databases, ensuring prompt notification and delivery to community residents, with a focus on security

Richardson, Texas, Us

• Primary role in providing new climber orientations, during which novices are taught safe climbing technique, behavior, and etiquette. Oversaw proper implementation of aforementioned techniques, making corrections when necessary.• Verified that each patron visiting the climbing wall had previously completed a climbing orientation, as well as all of the necessary paperwork. Logged all pertinent day to day visitor information in preparation for subsequent data entry.• Maintained a safe climbing environment through proper instruction and vigilance.• Inspected climbing equipment periodically for damage, logging the information and determining whether all equipment was working properly.• Prepared the climbing wall for opening and for closing, maintaining a clean and organized working environment.

Seattle, Wa, Us

• Anticipated customer and store needs by constantly evaluating environment and customers for cues. Communicated information to management so that the team could respond as necessary.• Maintained a calm demeanor during periods of high volume to keep the store operating to standard and to set a positive example for the shift team.• Followed Starbucks operational policies and procedures, including those for cash handling, safety, and security, to ensure the safety of all partners during each shift.• Maintained a clean and organized workspace so that partners could locate resources and product as needed.

B.S, Computer Science

High School Diploma