Careen Mwenisongole

Hi, I'm Careen

Full-Stack Developer & Aspiring AI Engineer

Massachusetts Institute of Technology (MIT)
• Class of 2027

Passionate about building innovative software solutions across web and mobile platforms, with a focus on AI-powered applications. Currently seeking internship opportunities in software engineering.

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About Me

I'm a junior at Massachusetts Institute of Technology (MIT), Class of 2027, with a passion for full-stack development and artificial intelligence. I love creating innovative solutions that bridge the gap between cutting-edge technology and real-world applications.

With experience in both web and mobile development, I enjoy tackling complex problems and building scalable applications that make a meaningful impact. Through my non-profit work, I've combined my technical skills with social impact, mentoring students and building educational platforms.

Full-Stack Development
Mobile Applications
AI-Powered Software

Technical Skills

Languages

Python Python Pandas Pandas JavaScript JavaScript TypeScript TypeScript HTML HTML CSS CSS

Frontend

React React.js React Native React Native

Backend

Node.js Node.js Flask Flask REST APIs MongoDB MongoDB PostgreSQL PostgreSQL

Tools & Design

Figma Figma Tableau NLP

Technical Projects & Work Experience

Birth By Us Logo

Birth By Us

Software Engineering Intern | Chicago, IL | June - August 2025

  • Built a full-stack React Native postpartum support app from 0 to 1, delivering core features for beta launch and enabling 2,000+ families to coordinate care through shared task management
  • Developed REST APIs and backend controllers for role-based user access and time-based data filtering in MongoDB, using indexing and pagination to improve responsiveness
  • Performed NLP analysis on 20+ interview transcripts and visualized insights in Tableau to inform Figma UI/UX design
React Native MongoDB REST APIs NLP Tableau Figma
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MIT CSHub Logo

MIT Concrete Sustainability Hub

Full Stack Developer | February - May 2025

  • Designed and developed a web app using Plotly.js and Pandas to model and visualize greenhouse gas (GHG) emission savings across all 50 U.S. states, enabling civil engineers to compare low-emission concrete design options
  • Built a Flask backend with PostgreSQL to handle real-time data queries on 10,000+ concrete mix records
  • Delivered actionable GHG insights through data analysis, enabling 4 engineering teams to optimize low-emission concrete designs
Flask PostgreSQL Plotly.js Pandas Python
Live Demo
Rafiki Academy Logo

Rafiki Academy

Technical Lead

  • Developing an AI-driven SAT practice platform with React, Node.js, and MongoDB to introduce an interactive feedback loop missing from most existing SAT prep materials
  • Integrating GPT-4 to infer student reasoning, and adapt follow-up questions to deliver personalized guidance beyond static answer keys
  • Currently in beta with ~50 users, collecting data to refine accuracy, usability, and learning impact prior to public launch
React Node.js MongoDB GPT-4 AI/ML
View Code

Non-Profit Leadership

I'm passionate about using technology to create positive social impact. I currently lead two non-profit initiatives focused on education and community development.

CodeSafari

Technical Lead & Instructor

June 2024 - Present

CodeSafari students
0
Students Taught
$0
Funding Secured
0
Teams Mentored
  • Designed a project-based curriculum covering Python and web development (HTML/CSS/JS)
  • Mentored teams over 8 weeks to build and deploy web apps, providing feedback and debugging support in office hours
  • Architecting a self-guided coding platform with FastAPI and GPT-4, using RAG to deliver personalized learning support
View Code

Rafiki Global Scholars

Co-Founder

August 2024 - Present

All Acceptances
University Acceptance 1
University Acceptance 3
University Acceptance 4
University Acceptance 5
0
Students Mentored
$0
In Scholarships
0
Acceptances
  • Co-founded a nonprofit supporting high-achieving Tanzanian students to gain admission to universities in the US
  • Mentored students in SAT prep and essay writing, leading to acceptances at NYU, Tufts, Alfred, and Minerva
  • Secured laptop donations through partnerships and built outreach through collaboration with local schools
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Get In Touch

I'm currently seeking internship opportunities in software engineering, with a passion for building AI-powered applications. Let's connect and discuss how I can contribute to your team!

careen@mit.edu LinkedIn Profile GitHub Profile
Download My Resume