Nathan Mandell

New York, NY · +1 (646) 363-9378
nathanmandell99@gmail.com · Portfolio · LinkedIn · GitHub

Education

• Bachelor of Arts, Computer Science, Columbia University — GPA: 3.7
  Expected May 2026
  Coursework: Data Structures and Algorithms, Advanced Programming, Intro to Databases, Cloud Computing, Operating Systems, Distributed Systems

• Associate of Arts, Liberal Arts, Borough of Manhattan Community College — GPA: 3.96
  August 2023

Experience

• Software Engineer Intern, Techneosis, LLC — New York, NY
  July 2025 - Present

  • Design and implement new mobile app features during a major product pivot.
  • Refactor TypeScript React Native codebase, reducing redundant code by 25% and improving maintainability.
  • Consolidate legacy Spring Boot and NestJS microservices into a single Django service to simplify architecture and maintenance.

• Research Assistant, Hyperlight Micro Virtual Machine Manager — Professor Kostis Kaffes, Columbia University — New York, NY
  June 2025 - Present

  • Ported CPU benchmark program from Go to Rust for use in micro VM environment.
  • Wrote stress tests to benchmark performance of concurrent micro VMs.

Projects

• ShardKV (Distributed Systems course project)
  Implemented a distributed, sharded key–value store in Go with dynamic rebalancing and fault-tolerant replication; built a multi-Paxos–based consensus layer and shardmaster service to coordinate reconfiguration and state machine replication across replica groups.

• Linux File System (Operating Systems course project)
  Coded fully functioning Linux file system from the ground up in C, supporting file creation, deletion, and metadata storage.

• Anagram Finder (Data Structures/Algorithms course project)
  Built a Java CLI that indexes a user-provided dictionary by sorted-character signatures and prints anagrams in lexicographic order. Implemented interchangeable backends—BST, AVL tree, and hash map—for efficient lookups.

• Meeting Match (Cloud Computing course project)
  Led development of a meeting scheduler with three Django REST microservices and a composite service secured by JWT authentication. Built and integrated a Next.js frontend for seamless scheduling.

• QuickTask
  Created a cross-platform task management app for web, iOS, and Android using React Native, focusing on a clean UI and efficient task organization.

Skills

Languages: Python, Java, C, C++, Rust, HTML, CSS, JavaScript/TypeScript
Tools: MySQL, Git, GitHub, Expo, AWS EC2, Postman
Frameworks & Libraries: Django, FastAPI, React, React Native, ASP.NET

Leadership & Extracurriculars

• Participant of DevFest 2025 Hackathon
• President of Columbia University Orthodox Christian Fellowship
• Former officer for Phi Theta Kappa Honor Society, Borough of Manhattan Community College chapter