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Rabbani _

@rabbani_

Message

I build reliable .NET backend systems for corporate portals, workflows, integrations, and secure research platforms.

Kazakhstan

Message

I'm building backend systems at Astana IT University for an EEG research platform, covering protocol creation, secure onboarding, role-based access, audit logging, localization, and file storage.

Previously at Энергоинформ, I delivered CQRS-based corporate portal modules with Entity Framework Core and PostgreSQL. I integrated SAP, RabbitMQ-based request intake, SMTP notifications, document exports, QR codes, and digital signature certificate data into business workflows.

I work closely with business stakeholders to translate requirements into technical tasks, document architecture decisions, and improve request-routing processes. My recent work also includes two-factor authentication, expiring invitation tokens, recovery codes, traceable API errors, and query optimization.

Earlier, I built a Windows desktop application for Connected Home using Python, PyQt5, and Paramiko, enabling users to configure Home Assistant devices and smart-home settings over a local network.

Experience

Work history, roles, and key accomplishments

Current

Middle Back-End .Net Developer

Current

АО “Astana IT University”

Mar 2026 - Present (6 months)

Developed and hardened the core domain model for an EEG research platform, including multi-step protocol creation and configurable scales. Implemented CQRS-style workflows with MediatR, FluentValidation, AutoMapper, Entity Framework Core, and PostgreSQL, and built secure invitation, two-factor authentication, and file-storage subsystems.

.NET CQRS MediatR Fluent Validation AutoMapper Entity Framework PostgreSQL Multi Factor Authentication S3 Minio Audit Logging Localization

Middle Back-End .Net Developer

АО “Энергоинформ”

Jun 2024 - Dec 2025 (1 year 6 months)

Integrated an external request intake platform with the corporate portal using RabbitMQ, implemented a custom workflow engine, and delivered CQRS-based modules with Entity Framework Core and PostgreSQL. Built email notifications, document generation with PDF/Excel exports, and worked with digital signature certificates.

.NET RabbitMQ CQRS Entity Framework PostgreSQL SMTP PDF Excel Export Digital Signatures Architecture Design

Junior Back-End .Net Developer

АО “Энергоинформ”

Sep 2024 - May 2025 (8 months)

Contributed to designing the business logic of the corporate portal by creating and documenting UML diagrams, developing entities and migrations with Entity Framework Core, and implementing CQRS-based commands and queries. Integrated the portal with SAP using Quartz.Net and designed REST APIs.

.NET Entity Framework PostgreSQL CQRS REST APIs Quartz.NET SAP Integration UML

FullStack PyQt Developer

Connected Home

Jun 2022 - Jun 2023 (1 year)

Implemented a desktop application from scratch to generate specialized configurations for Home Assistant, including device-room assignment and smart home settings via local network. Designed a user-friendly interface to minimize user struggles.

Python Paramiko desktop application development Home Assistant