Platform architecture for serious .NET teams

The .NET partner for teams that want to ship faster without accumulating technical debt.

Posseth Software designs platform architecture, strengthens existing codebases, and builds security-first web software in .NET. From sharper technical direction to concrete production delivery.

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Architecture Platform decisions that hold up as teams and complexity grow.

Performance Faster software through sharper choices in stack, rendering, and data flow.

Security Security-first defaults in headers, deployment, and browser behavior.

Delivery From technical analysis to production-ready implementation.

Hardening Security headers, CSP, and browser policy treated as part of the design.

Engineering Pragmatic engineering without consultancy theater or technical noise.

Capabilities

Where Posseth Software adds immediate technical value

Platform architecture

Architecture for software that remains understandable as teams, features, and integrations accelerate.

Security-first web engineering

Strong defaults for headers, CSP, transport security, and frontend discipline without jQuery dependencies or CSP exceptions.

Developer tooling

Libraries, templates, and building blocks that encourage reuse and help teams ship faster without messy abstraction.

Selected work

Featured projects

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Project

SafeWebCore

Security headers middleware for ASP.NET Core with strict A+ baseline and nonce-driven CSP.

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Project

SharpCoreDB

High-performance embedded database for .NET 10 with SQL, encryption, and file-based storage.