Frontend
- • Next.js
- • React
- • TypeScript
- • Tailwind CSS
- • Framer Motion
Cosmin Lăcătuș
Full Stack Developer
I build full-stack products with clean architecture.
About Me
A short overview of my background and core technical strengths.
I’m Cosmin Lăcătuș, a high school student with a strong background in programming competitions and a passion for building real-world applications. I work across the stack to develop fast, scalable, and user-focused software, combining problem-solving skills with practical development experience.
Backend
- • Node.js
- • Express
- • PostgreSQL
- • Prisma
- • REST APIs
Tools
- • Git
- • Docker
- • Vercel
- • GitHub Actions
- • Figma
Projects
A selection of products and platforms I have designed and built.
UniVault — University Resource Management Platform
A full-stack web platform developed at ITMarathon Iași 2026 for managing university digital resources, including AI tokens and virtual infrastructure subscriptions. It features secure role-based access (admin, professor, student, audit), resource tracking, course-based allocation, and audit logging, simulating real-world academic workflows and scalable resource distribution.
- React
- Node.js/Express
- JWT Auth
- bcrypt
- Nodemailer
E4RTH — Environmental Platform
A full-stack web platform focused on transparent environmental impact tracking, featuring project dashboards, real-time data visualization, and structured content for sustainability insights. It enables users to explore climate projects, access educational resources, and interact with a scalable system designed to promote awareness and reduce greenwashing through data-driven transparency.
- Next.js
- TypeScript
- PostgreSQL
- Prisma
Roots96
A modern coffee shop website combining a clean interface, a dynamic CMS-driven menu, and a scalable architecture designed to deliver a refined user experience, consistent branding, and future scalability.
- Next.js
- TypeScript
- Tailwind CSS
- Supabase
ScienceQuest
An interactive science learning platform featuring quiz-based exploration, structured questions, and a scalable architecture designed to engage users, reinforce knowledge, and support continuous educational growth.
- Java
- GreenFoot
- 2D Game Development
Experience
A timeline of roles focused on shipping useful digital products.
Full Stack Developer — Personal & Collaborative Projects
Freelance
2023 – Present
Built and deployed full-stack web applications using modern technologies. Implemented secure authentication systems (JWT, bcrypt, database integration). Focused on clean architecture, scalability, and performance. Collaborated on projects with other developers, contributing to both frontend and backend.
Co-Developer — GoHunt Mobile App
GoHunt
2025 – Present
Developing a cross-platform mobile app using Flutter (iOS & Android). Designed gameplay mechanics involving real-world exploration and QR-based interactions. Working on backend logic, user flows, and reward systems.
Programming Competition Winner
Adfaber & Oracle Academy
2026
1st Place — National Java Competition (Adfaber & Oracle Academy). Built an object-oriented project using Greenfoot in a 2-person team. Applied OOP principles and problem-solving under competitive conditions.
Contact
Have an idea or opportunity? Let us build something meaningful together.