Web Programming

Java Programming

Python Programming

Baccalaureate

Master's degree

Bachelor's degree

👨‍💻Developed an AI-powered chat platform with 5000+ users that integrates seamlessly with PDF, Word, Excel, PPT, Markdown and TXT files, transforming them into dynamic conversational tools (https://paperchat.io).

• Developed infrastructure using cutting-edge technologies for a performant, user-centric, and visually appealing.
• Integrated OpenAI and a vectorial database to enhance application intelligence.
• Utilized a could database from Supabase, ensuring resilient and scalable data storage. 
• Integrated AWS S3 for seamless file uploads.
• Integrated Stripe for a monthly recurring subscription model, supporting platform monetization. 
•  Employed Google Analytics for comprehensive user behavior analysis.

Founder

3nyble is a leader in data analysis and campaign management for major cigarette brands like Winston, Ploom, Sobranie, and Camel. Their services include detailed performance presentations, promotional campaigns, and call center operations offering exclusive deals.

Key Responsibilities and Achievements:

Internal Dashboard (for orders/invoices/inventory managment)
• Developed and maintained an internal dashboard and backend infrastructure (5 Java microservices) to streamline warehouse operations (orders, online payments, invoices generation, inventory tracking, FAN courier integrations, etc.).
• Re-written the entire application UI in Next.js 14 (from Angular 1) and enhanced application features (added users roles, API integrations, fresh design, products QR/Datamatrix/Barcode scanning using phone's camera or ZEBRA SCANNER, integrated reports, etc)
• Integrated third-party applications from other cigarette brands.
• Deployed the dashboard application interface using Linux, Github Action

Full-stack Developer

•	Successfully integrated a new payment processing system, which not only enhanced the user experience but also led to cost savings for the company. The streamlined payment process and reduced transaction fees directly contributed to improved financial efficiency.

•	Through a comprehensive platform redesign, I significantly improved the user experience, making it more intuitive and engaging. This redesign led to increased user satisfaction and a boost in user retention on some key sections of the platform.

•	I was involved in setting up new servers and applying server-side enhancements, leveraging Nginx for load balancing. This initiative significantly reduced server load, increased the platform's stability, and contributed to a robust, high-performance application infrastructure.

Full Stack Developer

- Maintaining and extending an internal operations dashboard designed to streamline workflows across multiple departments — including warehouse staff, cold callers, pickers, and couriers.
- Focused on optimizing key business functions such as order processing, invoicing, inventory tracking, and reporting.
- Built and integrated tools that automate gift validation, courier dispatching, and delivery status updates, significantly reducing manual effort and increasing operational efficiency.

- Led development of a notarial application aimed at boosting productivity for hundreds of employees by streamlining workflows around ERP systems, legal matters, case stages, and collaboration between lawyers, managers, and staff.
- Deployed on an internal Azure server, with active involvement in architectural decisions, thorough documentation, and automated testing.
- Collaborated closely with business analysts and UX teams to align development with real-world needs.
- Leveraged AI-assisted tools to accelerate delivery and maintain high development standards.

Full Stack Engineer

SaaS enthusiast and Software Engineer

Know about Costin Gheorghe’s work experience, education, bootcamps, certifications, and much more. Costin Gheorghe