Backend Developer based in Germany with experience in REST API development, system integration and business applications.

I have worked with Node.js, Express, MongoDB, Docker, FileMaker and Shopware integrations, focusing on backend services, authentication, reporting systems and API-driven architectures.

My current focus is building production-oriented backend projects, improving software architecture skills and expanding my portfolio with real-world API and integration solutions.

Backend Node.js, Express.js, REST APIs

Databases MongoDB, Mongoose, SQL Basics

Authentication & Security API-Key Authentication, JWT, RBAC

Tools & DevOps Git, GitHub, Docker, Swagger/OpenAPI, Jest, Supertest

Integration FileMaker, Shopware, WooCommerce API Integration

Frontend Basics HTML5, CSS3, JavaScript

A production-oriented backend API for inventory and warehouse management.

This project models realistic stock workflows instead of simple CRUD operations. Products and warehouses are connected through stock records, while goods receipts and goods issues create stock movement history and update the current inventory state.

• Node.js + Express
• MongoDB + Mongoose
• Product, warehouse, stock and stock movement APIs
• Goods receipt and goods issue workflows
• JWT authentication + refresh token rotation
• Role-Based Access Control (RBAC)
• Swagger / OpenAPI documentation
• Docker and Docker Compose support
• Jest + Supertest integration tests
• GitHub Actions CI workflow
• Render deployment with MongoDB Atlas

Repository: https://github.com/tabari86/inventory-management-api

Live API Docs: https://inventory-management-api-6zuo.onrender.com/api-docs

A backend microservice for invoice analytics and reporting.

• Node.js + Express
• MongoDB + Mongoose
• API-Key + JWT authentication
• Role-based access control
• Swagger/OpenAPI documentation
• PDF report generation
• Health and metrics endpoints
• Jest + Supertest tests
• Docker support

Repository: https://github.com/tabari86/reporting-service-api

A portfolio reconstruction of a real FileMaker and Shopware 6 integration project. The project demonstrates product and order synchronization, Shopware-style authentication, data mapping, dashboard-triggered sync flows and JSON-based FileMaker simulation.

• Node.js + Express
• REST API integration
• Product and order synchronization
• Data mapping layer
• FileMaker-style JSON storage
• Mock/real Shopware mode structure

Repository: https://github.com/tabari86/filemaker-shopware-integration

A REST API for user registration, authentication and profile management.

• Node.js + Express
• MongoDB + Mongoose
• JWT authentication
• Password hashing with bcrypt
• Protected routes
• Swagger/OpenAPI documentation
• Jest + Supertest testing

Repository: https://github.com/tabari86/user-management-service

A REST API for invoice management with CRUD operations and backend structure.

• Node.js + Express
• MongoDB
• RESTful API design
• Middleware structure
• Swagger documentation
• Docker support
• Automated tests

Repository: https://github.com/tabari86/invoice-api

I am currently strengthening my backend portfolio with production-oriented REST API projects, focusing on system integration, authentication, authorization, business logic, automated testing, Docker, CI workflows and deployment.

My goal is to work as a Backend Developer / API Integration Developer and build reliable backend systems for real-world business processes.

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