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 system for civicwire insights reducing misinformation by 50%
Built multi-role health diagnostics portal with end-to-end test kit management

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

Vngle

Software 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.

Miora Health

Full-Stack Software Engineer

May 2026 - August 2026

Built a full-stack health diagnostics platform for at-home microbiome and metabolic testing, supporting gestational diabetes, gut health and more. Delivered role-based dashboards for patients, clinic providers, and internal admins, with end-to-end test lifecycle management from kit activation through results delivery. Developed a dynamic clinical requisition workflow for providers, implemented a role-based notification system across the testing journey, and enabled provider inventory management and analytics.

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.

NYC Tech Talent Pipeline

Full-Stack Developer Residency

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

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

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

React nativeAWSExpo.jsTailwind CSSBlockchain API

Car Telemetry Platform

A real-time vehicle diagnostics system that simulates and decodes live engine data — RPM, speed, coolant temperature, and fault codes — and streams it to a web dashboard, mirroring the tools used by mechanics and automotive engineers.

ReactC++PythonWebSocketTimescaleDBDockerSocketCAN

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 APIBash scripts

OVPNet

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

OpenVPN - protocolEC2 serverBash scripts

NoteApp

A web-based note-taking app that lets users create and edit rich-text notes with automatic saving, search, filtered tags, and seamless access across multiple devices.

ViteAmplifyDynamoDBAPI GatewayLambdaTailwind CSS

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

Sentiment & Emotion Detection

A Flask web app for NLP experimentation using Hugging Face Transformers. Detects emotions in user-provided text via a pre-trained transformer model, with a web interface for real-time analysis, a chatbot script, and image captioning support.