About Me
Hello! I'm Hasina Goosaar, a passionate Fullstack Developer with experience in building web and mobile applications using modern technologies. With a background in science and a strong problem-solving mindset, I bring a unique combination of analytical thinking and creativity into my development work.
Since starting my coding journey in 2022, I’ve been developing fullstack projects using the MERN stack (MongoDB, Express, React.js, Node.js), as well as building mobile applications and exploring cloud technologies. Currently, I’m also expanding my skills into data science, focusing on data analysis, machine learning, and Python-based tools.
I enjoy working in collaborative teams where I can contribute my technical skills, continue learning, and build meaningful solutions that make a real-world impact.

My Skills
As a fullstack developer, I can build complete solutions from frontend to backend. Here's what I specialize in:
Websites
I build modern, responsive websites using React, Next.js, and other cutting-edge technologies. From simple landing pages to complex web applications, I create fast, user-friendly experiences that work perfectly on all devices.
Mobile Apps
I develop cross-platform mobile applications using React Native, creating apps that work seamlessly on both iOS and Android. From concept to App Store deployment, I handle the entire development process.
Backend Systems
I design and build robust backend systems using Node.js, Express, and MongoDB. From REST APIs to database design, I create the server-side infrastructure that powers modern web and mobile applications.
Education & Experience
I design and build fast, intuitive web and mobile applications that solve real problems. With a passion for clean code and seamless UX, I'm always learning and pushing my skills forward.
Freelance Fullstack Developer
Self-Employed
- Built fullstack web applications using MERN stack (MongoDB, Express, React, Node.js)
- Developed responsive and mobile-friendly user interfaces with React and Next.js
- Created RESTful APIs and integrated third-party services
- Implemented modern development practices including version control with Git
Self-Taught Developer Journey
Intensive Learning & Practice
- Mastered HTML, CSS, JavaScript fundamentals through online courses and practice
- Built multiple personal projects to solidify React and Node.js skills
- Participated in coding challenges and hackathons to gain practical experience
- Began exploring data science with Python and machine learning concepts
Science Background
Academic Foundation
Strong analytical and problem-solving foundation from science education, which provides excellent groundwork for programming and data analysis.
Self-Directed Programming Education
Online Courses & Practice
Comprehensive self-study through online platforms, documentation, and hands-on projects covering fullstack development and data science fundamentals.
Hackathons & Events

TechCrunch Disrupt Hackathon
Developed an AI-powered accessibility tool that converts website content to be more accessible for users with various disabilities. The solution automatically adapts content based on user preferences and needs, including text-to-speech, contrast adjustments, and simplified layouts.
Our team of four worked for 48 hours straight to build a working prototype that impressed judges with its innovative approach to web accessibility. The tool now helps hundreds of users navigate the web more effectively.

Global Climate Hackathon
Created a platform that helps users track and reduce their carbon footprint through personalized recommendations and community challenges. The application analyzes daily habits and suggests sustainable alternatives tailored to each user's lifestyle.
The platform includes a social component where users can join community challenges and see their collective impact. Since launch, our solution has helped reduce carbon emissions by an estimated 15 tons among early adopters.

HealthTech Innovation Challenge
Built a mobile application that connects patients with mental health resources and provides personalized wellness tracking. The app features mood tracking, guided meditation sessions, and a resource directory of mental health professionals.
What set our solution apart was the integration of a machine learning algorithm that adapts content based on user patterns and reported moods. The app received recognition for its user-centered design and thoughtful approach to mental health support.

EdTech Startup Weekend
Developed a collaborative learning platform that helps students connect with peers for project-based learning and skill sharing. The platform matches students based on complementary skills and learning goals to facilitate effective collaboration.
Though we didn't win, this hackathon was a valuable learning experience that taught me about rapid prototyping and the importance of user research. The connections made during this event led to future collaborations and opportunities in the EdTech space.
Ready to Build Something Amazing?
I'm passionate about creating innovative solutions and always excited to work on new projects. Whether you need a website, mobile app, or backend system, let's bring your ideas to life.