NodeJS Backend Developer

Learning Platform (NDA)

About the Project

Developed and maintained an interactive language learning platform focused on course and student management for teachers and educational organizations.

• E-learning
• Communications

Responsibilities

• Led the development of the platform from scratch, designing and implementing both backend and frontend architecture. • Built and maintained the backend infrastructure, including modules, services, business logic, dependencies, and REST APIs. • Designed database architecture, schemas, relationships, and data access layers. • Implemented a complete authentication and authorization system, including role-based access control and user permission management. • Developed and maintained an administrative panel for platform management and operational workflows. • Created CRUD functionality for core platform entities and business processes. • Implemented real-time functionality using WebSockets for live updates and interactive user experiences. • Developed email services, notification systems, and automated communication workflows. • Integrated third-party services and external APIs. • Configured and maintained CI/CD pipelines to automate testing, build, and deployment proce

Event Management Mobile Application (NDA)

About the Project

Contributed to the backend development of a mobile platform for event creation, collaboration, and real-time communication between users.

• Event Management

Responsibilities

• Developed and maintained scalable backend services and REST APIs using Node.js. • Implemented authentication and authorization systems, including email/password authentication and Google OAuth integration. • Integrated Google Maps services for geolocation, location search, and map-based functionality. • Developed payment workflows using Stripe, supporting paid and free event registration processes. • Built and maintained an administrative panel for managing users, events, and platform operations. • Implemented WebSocket-based real-time features and live updates. • Designed and developed event management functionality, including event creation, registration, payment processing, and attendee management. • Developed CRUD operations and business logic for core platform entities. • Collaborated on backend architecture, database design, and third-party service integrations. • Optimized application performance, reliability, and scalability.

Financial AI-Assistant (NDA)

About the Project

Contributed to the development of a financial analytics platform focused on payment data processing, expense tracking, and AI-powered financial planning features.

• Fintech
• AI
• Banking

Responsibilities

• Developed backend services and REST APIs for the platform. • Implemented authentication, authorization, and user access management. • Integrated Plaid for financial data connection and bank account verification. • Integrated Stripe for payments, subscriptions, and billing workflows. • Worked with Supabase for database, authentication, storage, and backend functionality. • Developed notification and analytics functionality for user activity tracking and automated communication. • Integrated OpenAI services for AI-powered features and intelligent user interactions. • Built chat functionality, including user messaging and AI-assisted communication flows. • Integrated third-party APIs and implemented core business logic. • Improved backend performance, reliability, scalability, and maintainability.

Freelance Services Marketplace (NDA)

About the Project

Worked on a scalable marketplace platform with multi-role architecture, payment integrations, analytics, and real-time communication features.

• E-commerce
• Communications
• Fintech

Responsibilities

• Developed and maintained backend functionality and REST APIs for the platform. • Implemented authentication and authorization systems, including OAuth-based login flows. • Integrated Google, Twitter, Discord, and Facebook authentication. • Integrated Stripe and PayPal for payment processing and transaction handling. • Developed subscription flow logic, including plan management, payment status tracking, and access control. • Built backend functionality for the administrative panel and platform management. • Developed notification functionality for user alerts and system updates. • Implemented WebSocket-based real-time functionality for live updates and interactive features. • Developed email notification workflows for user communication and automated system messages. • Designed and implemented business logic for core platform features. • Integrated third-party APIs and handled external service communication. • Improved backend reliability, security, scalability, and maintainability.

Recruitment Platform (NDA)

About the Project

Participated in backend development for a hiring and job management platform with secure authentication and third-party integrations

• Recruiting

Responsibilities

• Developed backend functionality for a mobile application using Fastify. • Designed backend architecture and database structure from scratch according to product requirements. • Built REST APIs and CRUD functionality for core application features. • Worked on API architecture, request handling, validation, and service-layer business logic. • Implemented authorization flows and user access management. • Integrated Stripe for payment processing and payment-related workflows. • Integrated external verification services to support user and data validation processes. • Developed notification functionality for user alerts and system events. • Designed database schemas, relationships, and data access logic. • Implemented backend logic according to mobile application feature requirements. • Improved backend reliability, maintainability, and scalability.