Technical Recruiter Reference

Full-Stack .NET with C#
Skills Explainer

A plain-English guide to the technologies that appear on modern .NET resumes, designed to help recruiters quickly understand what each skill signals.

20Core Skills
4Stack Layers
12+Interview Checks
1Primary Language: C#
01

How a Full-Stack .NET App Fits Together

The big picture before the tool-by-tool breakdown

The 4-Layer .NET Stack

LAYER 1 - USER EXPERIENCEBrowser / UIHTML/CSS • Blazor • Razor • JSLAYER 2 - APPLICATION LOGICASP.NET CoreC# • APIs • Services • AuthLAYER 3 - DATAPersistenceSQL Server • EF Core • LINQLAYER 4 - DELIVERY: Azure • Docker • CI/CD • telemetry

What "Full-Stack .NET Developer" Usually Means

This profile usually combines browser-facing UI work, server-side C# development, database access, and deployment knowledge. In practice, the person can build a screen, connect it to an ASP.NET Core endpoint, save data with EF Core or SQL, and help ship it to production.

Front-end markersBlazor, Razor Pages, MVC views, HTML/CSS, JavaScript, TypeScript.
Back-end markersC#, ASP.NET Core, Web API, authentication, dependency injection.
Data markersSQL Server, EF Core, LINQ, migrations, stored procedures.
Delivery markersAzure, Docker, GitHub Actions, Azure DevOps, logging.

Quick Resume Reading Guide

C# + ASP.NET CoreCore server-side pairing. Missing these usually means it is not a modern .NET full-stack profile.
Blazor or RazorSignals Microsoft-stack UI work instead of a separate React-only front end.
EF Core + SQL ServerShows the candidate probably handles application data access directly.
Azure / CI/CDGood sign the candidate has helped ship and support real systems.

Start Here

Useful links for quickly orienting yourself when screening resumes or learning the stack.

02

Front-End Skills

What users see, click, type into, and wait on

HTML, CSS, and JavaScript Core
Web fundamentals
Plain EnglishEven in a .NET stack, the browser still runs on standard web technology. These are the raw materials underneath every web UI.

Recruiters sometimes miss this because the resume emphasizes C# first. Strong .NET front-end candidates still understand forms, layout, responsive design, browser behavior, and small JavaScript integrations.

Browser layer
HTMLCSSJSEvery .NET web UI still lands here
Blazor Platform
C# component-based web UI
Plain EnglishBlazor lets developers build interactive web screens using C# components instead of writing most of the front end in JavaScript.

This is one of the clearest signals that the candidate works deeply in the Microsoft stack. A resume listing Blazor usually means reusable UI components, forms, validation, and page-level state management in C#.

TypeScript for .NET UI Core
Typed browser code
Plain EnglishTypeScript is JavaScript with guard rails. Many .NET teams use it when browser code grows beyond a few simple scripts.

Recruiters should read TypeScript on a .NET resume as a signal the candidate can work in Angular, React, richer JavaScript integrations, or shared front-end contracts instead of staying only in C# views.

Razor Pages / MVC Views Platform
Server-rendered .NET UI
Plain EnglishRazor is Microsoft’s way of generating HTML from C# on the server, instead of shipping a large front-end app first.

This is still common in enterprise portals, admin tools, and internal systems. Recruiters should read Razor, ASP.NET MVC, or Razor Pages as practical browser UI experience inside the .NET ecosystem.

03

Back-End Skills

The C# and ASP.NET Core layer that handles logic, APIs, and security

C# Core
Primary .NET language
Plain EnglishC# is the main language used to build modern .NET applications. It is the engine of the Microsoft application stack.

A serious .NET resume almost always centers on C#. It is used for APIs, background jobs, cloud services, web apps, and business logic. Recruiters should treat strong C# experience as a non-negotiable signal.

ASP.NET Core Platform
Modern .NET web framework
Plain EnglishASP.NET Core is the framework that powers most new .NET web apps and APIs.

It handles routing, controllers, dependency injection, middleware, configuration, authentication, and hosting. If a candidate says they built services, portals, or APIs in .NET, ASP.NET Core is usually doing the heavy lifting.

Request flow
BrowserMiddlewareController
Web APIs and JSON Platform
Machine-to-machine communication
Plain EnglishAPIs are the doors other systems use to talk to the application.

In .NET this usually means ASP.NET Core controllers or minimal APIs returning JSON. A resume that mentions REST APIs, Swagger, or integrations usually indicates solid service-layer experience.

Dependency Injection and Middleware Platform
App structure
Plain EnglishDependency injection wires the application together cleanly. Middleware is the chain every request passes through.

These are strong signals of real ASP.NET Core depth. Candidates who can explain them usually understand how production .NET systems are organized, not just how to copy controller samples.

Microservices and Service Boundaries Platform
Distributed application architecture
Plain EnglishMicroservices split a large system into smaller services that can be deployed and changed separately.

This matters on resumes because it usually means the candidate has worked with service-to-service communication, clearer domain boundaries, containerized deployments, and production systems that are larger than one web app.

Unit and Integration Testing Core
Quality and regression safety
Plain EnglishTests prove that code changes did not quietly break important behavior.

On .NET resumes this often appears as xUnit, NUnit, MSTest, mocking, integration tests, and API test coverage. It is a strong maturity signal because it usually reflects maintainable team workflows rather than one-off coding.

04

Data and Persistence

How .NET applications store, query, and protect business data

SQL Server Core
Relational database
Plain EnglishSQL Server is where business data usually lives in Microsoft-heavy environments: users, orders, invoices, permissions, and workflow history.

Recruiters should notice terms like tables, stored procedures, indexes, views, joins, and performance tuning. Those are good signals the candidate can work below the application layer when needed.

Entity Framework Core Platform
Object-relational mapper
Plain EnglishEF Core lets developers work with database data using C# objects instead of hand-writing every SQL statement.

Expect related terms like DbContext, migrations, code-first, data annotations, and fluent configuration. This is one of the most important data-access technologies on a modern .NET resume.

EF Core translation
C# Models→ EF Core →SQL
LINQ Core
Query syntax in C#
Plain EnglishLINQ is the built-in .NET way to filter, sort, group, and shape data using C# syntax.

It appears everywhere in .NET code, not just in database access. Candidates comfortable with LINQ usually write cleaner data transformations and API response shaping logic.

MongoDB and NoSQL Platform
Document database patterns
Plain EnglishMongoDB stores flexible document-shaped data instead of strictly relational tables.

Recruiters should notice this when a .NET team handles catalog data, event payloads, content-heavy objects, or workloads where a document model fits better than SQL Server tables.

05

Cloud, Delivery, and Operations

The tooling that gets a .NET app into production and keeps it healthy

Azure Cloud
Microsoft cloud platform
Plain EnglishAzure is where many .NET teams host web apps, APIs, databases, storage, secrets, and monitoring.

Common resume terms include App Service, Azure SQL, Functions, Key Vault, Service Bus, Blob Storage, and Application Insights. This is a strong fit signal for Microsoft-heavy organizations.

Git and GitHub Core
Version control and collaboration
Plain EnglishGit tracks code changes, and GitHub is where teams review, discuss, and ship those changes together.

This is basic team engineering literacy. Branches, pull requests, code review, and merge workflows are often the difference between solo coding and work that fits a real delivery process.

Docker and Containers Cloud
Portable deployment packaging
Plain EnglishDocker packages an application with everything it needs to run so it behaves consistently across environments.

Candidates who know containers can usually participate in repeatable deployments, cloud hosting, and environment consistency rather than relying on manual server setup.

Kubernetes Cloud
Container orchestration
Plain EnglishKubernetes keeps containerized applications running, scaled, and networked in production.

When this appears on a .NET resume, it usually means the candidate has worked beyond a single server deployment and understands the operational side of container-based applications.

CI/CD Pipelines Cloud
Automated build, test, deploy
Plain EnglishCI/CD is the assembly line for software. Code can be built, tested, and deployed automatically instead of by hand.

Look for GitHub Actions, Azure DevOps, build pipelines, release pipelines, artifact publishing, and environment promotions. This is usually a maturity signal.

Logging and Telemetry Cloud
Production visibility
Plain EnglishThis is how teams know what broke, who was affected, and where a production slowdown happened.

In .NET environments this often appears as ILogger, Serilog, OpenTelemetry, Application Insights, distributed tracing, dashboards, alerts, and health checks.

06

Glossary for Recruiters

Common .NET terms translated into hiring language

TermMeaningWhy It Matters
.NETMicrosoft’s software platform for web, desktop, cloud, and services.The ecosystem umbrella for the rest of the stack.
C#The main programming language used in modern .NET apps.Usually the single most important skill in the role.
ASP.NET CoreThe main .NET web framework.Signals the candidate can build web apps and APIs.
BlazorA way to build web UI with C# components.Shows modern Microsoft-stack front-end capability.
RazorTemplate syntax for generating HTML from .NET code.Common in enterprise portals and internal systems.
EF CoreThe main .NET data-access framework for relational databases.Indicates application-level database experience.
LINQQuery-style filtering and transformation written in C#.A strong signal of day-to-day .NET fluency.
SQL ServerMicrosoft’s relational database platform.Very common partner skill for enterprise .NET apps.
AzureMicrosoft’s cloud platform.Good fit signal for Microsoft-heavy companies.
CI/CDAutomation that builds, tests, and deploys changes.Suggests the candidate has worked in a disciplined delivery environment.
07

Interview Checks for Full-Stack .NET Candidates

Useful prompts when you want signal instead of trivia

Core
What part of your last .NET application did you own end-to-end?
A strong answer spans UI, API, data flow, and deployment or support, not just one isolated screen.
Front-End
How do Blazor and Razor Pages differ in practice?
Look for a practical answer about interactivity, rendering style, and when each pattern fits best.
Back-End
How does a browser request reach your C# business logic in ASP.NET Core?
Good answers mention routing, middleware, controllers or components, services, and data access.
Data
When would you use EF Core and when would you write SQL directly?
Strong candidates understand the tradeoff between productivity and performance tuning or complex query needs.
Data
What is LINQ doing for you in your codebase?
Look for filtering, projection, grouping, shaping API responses, and cleaner in-memory transformations.
Security
How do you handle authentication and authorization in ASP.NET Core?
Good answers mention roles, claims, policies, cookies, tokens, or external identity providers.
Architecture
What do you register in dependency injection, and why?
This shows whether the candidate understands service lifetimes and maintainable application structure.
Quality
What tests do you consider essential before shipping?
Strong answers separate unit tests, integration tests, and manual validation of risky flows.
Cloud
Which Azure services have you personally configured or supported?
This separates real cloud operators from people who only deployed once through a shared pipeline.
Ops
What logs or telemetry do you check first during a production issue?
Good answers reference structured logs, traces, dashboards, alerts, and correlation across services.
Performance
Tell me about a slow page or API you improved.
The strongest answers start with measurement and then move to query, caching, rendering, or infrastructure changes.
Practical
If I saw only three skills on your resume, which three best represent your stack?
This quickly shows whether the candidate thinks in terms of a coherent stack or a random keyword list.