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Tural Mustafayev

@turalmustafayev

.NET Developer at Limestone Digital modernizing a legacy SaaS platform into a cloud-native .NET 10 system on Azure.

At Limestone Digital, I’m contributing to the modernization of a large legacy SaaS platform into a cloud-native .NET 10 system on Azure. I’m the core backend engineer and most active contributor on its Clean Architecture and DDD codebase.

I’ve delivered modules across three independently deployable APIs and a provisioning service, including payments, billing, and contract management. I also introduced spec-driven development with Claude Code and OpenSpec, building agent pipelines that turn legacy features into reimplementation specs and a CI gate that keeps specs in sync with code.

Earlier, I built a CRM system at Ateshgah Insurance Company and a POS application as a freelancer. My projects include Lumen, an AI-assisted reflective journal, and Corbel, a .NET 10 and React starter template.

Experience

Work history, roles, and key accomplishments

Current

.NET Developer

Current

Limestone Digital

Dec 2021 - Present (4 years 10 months)

Core backend engineer on a cloud-native .NET 10 platform with Clean Architecture and DDD, building modules across three APIs and introducing spec-driven development with Claude Code and OpenSpec.

.NET Developer (Contract)

Akvelon

Jun 2023 - Oct 2023 (4 months)

Resolved complex escalations from Azure DevOps customers, troubleshooting deep Git issues in Azure Repos and building features such as 'partially succeeded' status support in Azure Pipelines.

Azure DevOps Azure Repos Git Azure Pipelines C#.NET

.NET Developer

GeeksForLess Inc.

Sep 2021 - Nov 2021 (2 months)

Built and extended data-heavy reports for an automotive client, using T-SQL stored procedures and complex queries across large datasets.

C#T SQL SQL Server Reporting

.NET Developer

Ateshgah Insurance Company

Aug 2020 - Aug 2021 (1 year)

Built a new CRM system from the ground up using ASP.NET Core and Blazor, delivered features across the enterprise insurance platform, and developed a PDF reporting module for policy documents.

ASP.NET Core Blazor C#PDF Reporting

Software Developer

Freelance

May 2019 - Aug 2020 (1 year 3 months)

Designed and built a point-of-sale (POS) application using ASP.NET Core and WPF, and implemented features and fixed defects on a restaurant-management system.

ASP.NET Core WPF C#POS