KKarmaTechLab

Technology laboratory

THE STACK,AND WHY EACHPART IS IN IT.

Four layers, each with a constellation you can explore. Every entry carries the reason it earns a place in a system someone has to operate for years.

Layers
Backend · Frontend · Data · Infra
Default database
Relational
Hosting
Cloud or on-premises
Principle
Fit over fashion
Layer 01

BACKEND

Transactional services where correctness matters more than novelty.

.NET

Long-lived enterprise services and Windows-estate integration.

C#

Strong typing and tooling for domain-heavy business logic.

Python

Data processing, automation and integration glue.

FastAPI

Typed, documented HTTP services with low ceremony.

Node.js

Event-driven services and shared tooling with the frontend.

.NETC#PythonFastAPINode.js
Layer 02

FRONTEND

Interfaces for dense operational work, not just marketing surfaces.

React

Component model for complex, stateful screens.

Next.js

Server rendering, routing and delivery in one framework.

TypeScript

Contracts enforced from the API all the way to the button.

Tailwind CSS

A design system expressed as constraints, not conventions.

ReactNext.jsTypeScriptTailwind CSS
Layer 03

DATABASE

Relational by default — business data has relationships worth enforcing.

SQL Server

Established enterprise estates and reporting workloads.

PostgreSQL

Default choice for new systems needing strong guarantees.

MySQL

Widely hosted, well understood, pragmatic for many products.

SQL ServerPostgreSQLMySQL
Layer 04

INFRASTRUCTURE

Whatever the organisation already runs, operated properly.

AWS

Managed services, networking and storage at scale.

Azure

Natural fit alongside existing Microsoft estates.

IIS

Hosting for .NET applications on Windows Server.

Docker

Reproducible environments from laptop to production.

Linux

Server workloads, automation and CI runners.

Windows Server

Domain-integrated enterprise deployments.

Vercel

Edge delivery for Next.js frontends.

AWSAzureIISDockerLinuxWindows ServerVercel

Integration surface

EVERYTHING HASTO TALK TOSOMETHING ELSE.

Most of the risk in an enterprise build sits at the seams. These are the connection types we work with regularly.

REST APIs
Webhooks
JWT & OAuth2
Payment gateways
Banking APIs
SFTP & file exchange
SSO / Active Directory
Message queues

BRING US YOUREXISTING STACK.

We work with what the organisation already runs — and say so plainly when something should be replaced.