Hello I'm

Koffison Voumadi

Full Stack Software Developer

B.S. in Computer Science & Information Security

📍 New York, NY

About Me

I am driven by the challenge of using technology to solve real-world problems across industries—from media, biotech, consulting and beyond. My work bridges software engineering, cybersecurity, AI, and IT systems to create tools that are both secure and impactful. I thrive on turning complex ideas into practical, user-focused solutions, constantly exploring new technologies, ideologies, and perspectives to push the boundaries of innovation and bring meaningful change through code. I currently hold a B.S. in Computer Science and Information Security, experienced in Full-Stack Web and Mobile Development, and proficient with AWS, React, Postgres, CI/CD, microservices, and Git, all within Agile frameworks for project management.

Achievements

  • Automated 60% of gene editing workflow for stem cell research
  • Built a mobile app that reduced misinformation by 50%
  • Deployed landing page that boosted client acquisition

Expertise

  • Software Development
  • AI Development
  • IT Support Specialist
  • Cyber Security

Creative

Freelance experience in graphic design and videography, including pre-production and post-production work. Passionate about gaming and traveling.

Experiences

The New York Stem Cell Foundation 🦠

Software Engineer Intern

June 2025 – August 2025

  • Optimized gene editing inputs and automated 60% of scientists' workflows to streamline lab operations by developing and implementing laboratory web features using React, Redux, and C#, allowing scientists to customize experiment settings on automated liquid handling robots.

Vngle📱

Mobile Engineer

Jun 2024 - Present

  • Developed VngleReporters—a media provenance tool to track origin of digital content, reducing misinformation by 50% and enabling reporters to capture, annotate, and upload medias with metadata, blockchain contracts receipt and media processing pipeline between reporters' devices and content management systems.

NYC Tech Talent Pipeline Residency 👨🏾‍💻

Full-stack Developer

Jun 2023 - Feb 2025

  • Successfully built and deployed production-ready PERN (PostgreSQL, Express.js, React, Node.js) Stack applications, and optimized consumption of high-traffic third-party APIs, reducing redundant requests and handling 100+ user requests/sec. Selected among 30 of 500+ candidates for a year-plus full-stack and cybersecurity residency, gaining hands-on experience through real-world projects and mentorship from experienced industry professionals.

RecProf 👔

Web Developer

May 2021 - Jul 2022

  • Led the development and deployment of a client-acquisition landing page, ensuring 99.9% uptime through enhanced security and reliability. Managed continuous content and design updates to drive alignment with core business goals and user engagement.

Projects & Contributions

Nucleofection Worklist Gen

Nucleofection Worklist Gen

Automated a critical step in the CRISPR-gene editing workflow for the NYSCF Global Stem Cell Array®. The new feature dynamically generates precise robot instructions to process over 100 cell lines per run, significantly reducing manual error and optimizing the use of multi-use lab hardware to maximize platform efficiency and reduce costs.

React.NETC#SQL ServerTailwind CSS
Vngle Reporter

Vngle Reporter

A blockchain media provenance system for reporting and verifying the authenticity of media content among content delivery networks.

React nativeAWSExpo.jsTailwind CSSBlockchain API
LaundriFi

LaundriFi

A web-based laundry scheduler that reduces congestion in apartments with limited machines by enabling real-time availability checks and reservations.

Next.jsSupabaseDockerPostgresTailwind CSSRestful APICronJob
OVPNet

OVPNet

This exploratory project involves building a self-hosted VPN and analyzes its performance and reliability compared to commercial services like NordVPN.

OpenVPN - protocolEC2 serverShell Scripting
Rick and Morty

Rick and Morty

An interactive web application that delves into the fantastic world of the beloved TV series, Rick and Morty—Made Possible using the Rick and Morty API.

ReactRESTful APITailwind CSS

Specializations

Skills

Contact

LinkedIn

Let's connect on LinkedIn!