David Rohweder

State College PA · (484) 987-5984 · david01rohweder@gmail.com

I am

Projects

AR Solar System Simulator

Actively maintaining an AR simulator designed for educating about our solar system

Streamlined a responsive AR to allow the user to maneuver their camera around and observe a 3D selected planet

Enabled users to see generic information from NASA about each planet as education is a focal point of the project

Aug. 2022 – Present

Parallel Programming Research Project

Led a team project investigating methods of parallelizing Dijkstra’s and the Bellman-Ford algorithm

Created the graph data structure, model data generator, unit tests, integration tests, performance metric tests, and the entire Dijkstra portion

Steered the integration of the Bellman-Ford algorithm into the analysis execution

Jan. 2022 – May. 2022

E-Commerce - Nittany Market

Built a mock E-Commerce site from scratch utilizing Python and Flask

Provided the abilities for buyers to purchase products from sellers, sellers to publish products, buyers to query results from categories search products, and more

Facilitated the ability for buyers to create an account, change their password, and request seller access

Jan. 2022 – May. 2022

Linux File System Driver

Constructed a file system driver that interfaced between a simulator and the disk controller on a local server

Imitated an OS file system that could perform open, close, read, write, and seek operations on existing files or create and maintain new files

Implemented an LRU cache for data access efficiency while using several diverse workloads for output validation

August 2021 – December 2021

Penny Helper

Learned how to manage time and meet goals using tools such as Ghannt and Milestone charts

Technically documented the code and documents to peers and supervisors

Deployed software designed to mine Ethereum and Monero on users idle periods

Streamlined the cryptocurrency mining process for nonprofits benefit

Sep. 2018 – Dec. 2020

RACC Web Challenge

first place team

Designed and implemented a website using limited resources

Managed client-contractor relationship with local company Jump Start Incubator

Learned leadership, organization, time management, and coordinating with a diverse team

Utilized powerful tools such as WordPress, Adobe Creative Suite, and Slack

Completed in 2019

Local Businesses

Professional Website Creator

Designed and created a website for a life coach in Berks, PA

Designed and created a website for a local hoagie shop in Lititz, PA

Gained knowledge on client-contractor relationships while practicing web development skills and meeting deadlines

Completed in 2019

Education

Penn State UNIVERSITY

Bachelors of Science, Computer Science

Mathematical skills through linear algebra and matrices (particular skill set in matrix matrix multiplication), multi-variable calculus, and statistics

Statistical skills with combinatorics, probability, hypothesis testing, linear regression, and confidence intervals

Advanced programming knowledge of Python (Flask framework as well), Java, and C / C++

Rigorous work done with data structures and algorithms such as graphs, heaps, divide and conquer, greedy algorithms, dynamic programming, linear programming, and analysis through proofs

Knowledge of AI with tree algorithms, neural networks, RNN, TensorFlow, and Keras

Experience solving and constructing Lambda Calculus and Scheme, Finite Automata (DFA, NFA, GNFA), Context Free Grammar / Pushdown Automata, and Turing Machines

Knowledge and interest in parallel, distributed, and hybrid computation. Familiar with OpenMP and MPI libraries as well as standard threading

Knowledge about OS from Parallelization, Memory Allocation (Buddy and Slab algorithms), and Virtual Memory Management

Hands on experience creating several full-scale iOS applications and maintaining one on the Apple App Store

Multiple semester Deans List recipient

Graduated in 2023

Berks Career and Technology Center

Information Technology - Programming

Learned proper software development procedures and practices

Emulated industry environments with team-based assignments and code reviews

Hands-on experience and learning working with computer hardware

Skills USA Member and competitor

Graduated in 2019

Governor Mifflin Senior High School

Passed various AP tests and took numerous Honors Classes

Participated in clubs such as Chess Club and Libraries Ready to Code where I helped teach elementary students the fundamentals of programming as a part of Cornell's feathered friend’s project. The project was showed to even younger students to inspire them about the possibilities of coding

Received Certificate of Excellence from the Board of School Directors

Received AP Scholar Award for high AP Scores on several AP exams

Member of the track and field team

Graduated in 2019

Experience

Information Technology, Jr. Systems Engineer Intern

Rosenberger of North America LLC, Akron PA

Deployed Manage Engine servers and services which improved SysAdmin automation by 80%

Automated workflows to accurately maintain licenses of users which saved the company 30% on costs

Administered vSphere environment across two sites and was on the disaster recovery team

Mediated VM and service downtime for all critical infrastructure failure during unexpected outages

Maintained Active Directory and was a global admin on the companies federated government GCC O356 tenant

Migrated and created SharePoint Online site structure and permissions for GCC tenant. Used tools such as SharePoint Migration Tool, SharePoint Designer, SharePoint Admin Portal, and A.D.

Built MDT Server, created DHCP Policies, and site Gold Images for computer imaging

Created in-depth technical procedures and documentation

Maintained the company ticket system to help resolve user issues or requests

Summers Full-Time
June 2019 to August 2022

Independent Contractor

Expeditionary INTEREST Group, Leesport PA

Architect and developer of Penny Helper software

Leveraged powerful tools such as Git, Visual Studio, and DOS

Utilized several programs to ensure a secure software environment

Windows built architecture using services, registry, and DLLs

November 2018 to 2021

Skills

Programming Languages & Tools

HTML & CSS & JS

3 years of experience

Python & Flask

2 years of experience

MySQL, SQLite, MongoDB

3 years of experience

.NET

5 years of experience

C & C++

5 years of experience

Java

1 year of experience

Swift & SwiftUI

1 year of experience

Verilog HDL

2 years of experience

AWS

1 year of experience

Technical Skills

In-depth knowledge of Git and Github
Robust understanding of object-oriented programming principles
Expert knowledge of essential utilities such as Visual Studio, Eclipse, PyCharm, WebStorm, and StackOverflow
Experience using PowerShell scripts in a corporate environment from A.D. to Office365
Extensive knowledge of DOS coding for various activities and purposes
Proficiency with SDLC and PDLC
Expertise in Microsoft Office Suite products demonstrated in competitions and through work experience
Proficency in Office365 Admin Portal on a Federated GCC Tenant. Previous experience with assigning licenses, changing mailbox permissions, creating MS Teams groups and therein adding/ Removing members, creating SharePoint Online Sites, and configuring Tenant org settings
Experience with A.D. functions such as O.U. structures, Security and Distribution Groups, and User Objects (created from scratch or from copying an existing object, resetting passwords, enabling accounts, editing the attribute editor, adding or removing groups)

PERSONALITY Traits

Excellent ability to work well with others and independently as necessary
Exceptional ability to work and communicate and operate in a corporate environment
Great written and oral communication skills
Driven personality with determination and persistence

Awards & Certifications

Competitions

1^st Place - RACC Web Design Challenge
2^nd Place - Computer Programming - SkillsUSA Pennsylvania State, 2018
3^rd Place - Computer Programming - SkillsUSA Pennsylvania State, 2019

Scholarships

Penn State Undergraduate Scholarship for Talented Students
Harold A. Pfreimer Trustee Scholarship
Outstanding Senior in Program
Brenntag North America Outstanding Programmer Award
Matthew A. Burkhart Memorial Scholarship

Other Awards & Certifications

OSHA 10 Hour General Industry Safety and Health Certification

Student of the Quarter - Berks Career and Technology Center

Pennsylvania Skills Certificate for Advanced Level in Management Information Systems

IC3 Digital Literacy Certification

Interests

Aside from being a software and web developer and a full-time student in college, I have a variety of hobbies and activities that I do to pass the time.

Some of my other hobbies include exploring PA and the country, skateboarding, going to the beach, and watching MMA. I also enjoy spending my spare time working on small projects and staying up to date with the latest technologies in the industry.

Below are some pictures capturing good memories and things that I enjoy!