Summary
Overview
Work History
Education
Skills
Timeline
Generic
John Viercinski

John Viercinski

Mullica Hill,NJ

Summary

Full-stack engineer with expertise in Ruby on Rails, React, and SwiftUI, passionate about building scalable and maintainable applications. Experienced in designing and developing end-to-end products, from backend architecture to frontend user experiences. Strong background in leading engineering teams, problem-solving, and delivering high-quality code in fast-paced environments.

Overview

26
26
years of professional experience

Work History

Engineering Manager

Department of the Navy
03.1999 - Current
  • Led 30+ engineers and program managers in delivering advanced hull, mechanical, and electrical solutions for surface combatant ships, ensuring sustainability and maintainability.
  • Managed $300M+ in annual projects, optimizing resource allocation and delivering mission-critical outcomes.
  • Provided technical expertise on power generation and propulsion systems, advising senior fleet officers and shaping operational strategies.
  • Recruited and mentored top engineering talent, growing a high-performing team to meet evolving program needs.
  • Spearheaded technology solutions that improved reliability and extended the lifespan of propulsion equipment, reducing failure rates.
  • Defined budgets, developed technical schedules, and led key personnel to meet Pentagon-driven program goals with full project execution.

Founder/CTO

MJV Apps
01.2015 - 12.2024
  • Built a two-sided marketplace web application connecting homeowners with local contractors, leading all aspects of design, development, and launch.
  • Developed a Ruby on Rails backend and a ReactJS frontend, managing an international team to deliver a scalable, production-ready platform.
  • Utilized data analytics and user feedback to refine the platform and optimize engagement
  • Designed and built a SwiftUI iOS app, integrating it with the web-based API for seamless cross-platform data synchronization.
  • Streamlined frontend development using Webflow, enabling rapid deployment of responsive landing pages without frequent code updates.

Education

Master of Science - Aerospace Engineering

University of Southern California
12.2013

Masters of Engineering - Systems Engineering

Pennsylvania State University
05.2009

Bachelor of Science - Mechanical Engineering

Drexel University
Philadelphia, PA
06.2002

Skills

  • Ruby on Rails – Built scalable backend systems for web applications, handling authentication, API endpoints, and database management
  • React & JavaScript – Developed responsive, dynamic frontends with component-based architecture
  • SwiftUI – Designed, developed, and tested iOS applications with modern UI frameworks
  • DevOps & Deployment – Experience with CI/CD, AWS, Github, Heroku, Render
  • Webflow & UI/UX Design – Built responsive, visually appealing landing pages and marketing sites using Webflow, ensuring clean layouts, strong branding, and an intuitive user experience Designed and implemented user-friendly interfaces that enhance engagement and conversion rates

Timeline

Founder/CTO

MJV Apps
01.2015 - 12.2024

Engineering Manager

Department of the Navy
03.1999 - Current

Master of Science - Aerospace Engineering

University of Southern California

Masters of Engineering - Systems Engineering

Pennsylvania State University

Bachelor of Science - Mechanical Engineering

Drexel University
John Viercinski