csharp development

C# development services

Transform your project with our expert C# developers who create high-quality web apps, APIs, and enterprise solutions. With fast onboarding in just two weeks, you’ll see immediate progress and value

Trusted by startups and enterprises:

OUR SERVICES

Scale your projects with cost-effective, quality solutions

Need skilled C# developers? At ZenDev, we understand the challenge of finding the right talent. Therefore, our certified experts, with a proven track record, work closely with you to deliver projects on time and within budget. Connect with top developers who can integrate with your team or fully own your project. 

Here’s how we can help:

Custom C# development services

Whether you need a web app to boost your online presence, a mobile app that works seamlessly across devices, or a cloud application to keep your operations running smoothly, our experienced team is here to help. As one example, we recently developed an intranet portal using C# that leverages ADFS for single sign-on (SSO) authentication, enabling seamless access for Windows users. 

The portal features news updates, document management through SharePoint, and user profile management, ensuring efficient communication and resource access within the organization.

Integration and migration

We make it easy for your C# applications to connect with other systems, APIs, and cloud services. For example, we recently integrated a cloud-based application with existing ERP systems, which allowed for real-time data synchronization and improved efficiency across operations. 

Also, if you're thinking about moving your existing apps to the cloud, we’ve got you covered. We handle the entire migration process, ensuring everything transitions smoothly. 

C# cloud development

Whether you’re looking to create SaaS solutions, develop IoT apps, or enhance existing services, we focus on building cloud-based applications with C# and Microsoft Azure. Our experienced team ensures your applications are efficient and scalable, allowing you to take full advantage of cloud technology for better performance and reliability. 

For instance, we recently worked on an application that helps manage product safety information, utilizing AWS for document storage and deployment. With our expertise, you can trust that your applications will not only meet your needs but also grow with you as your business evolves.

BENEFITS

Why choose ZenDev for C# development?

  • Proven expertise

    Our developers have a strong track record in C#, successfully improving operations for leaders like Cargotec. 

  • 94% satisfaction rate

    Last year's internal survey showed 94% of customers had a positive experience, with 65% extremely satisfied and willing to recommend us.

  • Cultural fit

    We carefully select top developers who are not just great at what they do but also fit right in with your crew.

  • Flexibility and scalability 

    We quickly adapt to ensure your project runs smoothly, handling legacy systems and high user expectations with ease.

  • 48 hours to get candidates

    You’ll receive your first C# developer candidate’s CV within 48 hours to kick off the interview process.

  • Timely delivery 

    We understand the importance of deadlines and deliver high-quality solutions quickly, allowing you to stay on track.

MORE THAN CODE

Solutions that drive efficiency and growth

Our developers don’t just join your team - they become part of your vision, working with you to build web applications that are not only highly functional but also deliver meaningful impact to your users.

We’ve successfully delivered many projects using .NET and C# technologies, but due to NDA agreements, we can only share a few highlights. One notable project involved creating a solution for users to scan a product's QR code for instant access to essential information, like cutting data and machining conditions. We also assisted a well-known global furniture company by providing senior C# developers with expertise in 3D DCC tools to optimize their media handling processes with Censhare.

Ready to elevate your C# development with solutions that drive real results? Rest assured, our developers will bring the highest expert level to your project. Let’s connect and see how we can help!

zendev office
TECHNOLOGIES WE USE

The C# tech stack we used in previous work

Languages

Our .NET toolkit includes the latest advancements and essential tools for building modern applications, enhancing productivity, and supporting cross-platform development.

  • C# 12
  • .NET 8, 
  • .NET Framework
  • .NET CLI

SOLID design principles

We follow industry best practices to keep our code clean, manageable, and easy to scale.

  • Single Responsibility Principle (SRP)
  • DRY (Don’t Repeat Yourself)
  • YAGNI (You Aren’t Gonna Need It)
  • KISS (Keep It Simple, Stupid)

ASP.NET core basics

ASP.NET Core gives us the foundation we need to create powerful, high-performance web applications.

  • Web API
  • Minimal API
  • Routing
  • Middleware
  • Filters
  • Configuration
  • Authentication
  • Authorization
  • Dependency Injection

RDBMS database

Relational databases are key to handling structured data, and we use leading options to ensure data integrity and scalability.

  • RDBMS Fundamentals
  • SQL Syntax
  • Stored Procedures
  • PostgreSQL
  • SQL Server
  • MySQL / MariaDB

API

We build reliable, scalable APIs to power data exchange and support complex application logic.

  • REST
  • Minimal API
  • Web API
  • GraphQL
  • gRPC

ORM (Object-Relational Mapping)

Our ORM tools simplify data handling, letting us focus on application logic instead of database interactions.

  • Entity Framework Core (EF Core)
  • Code first
  • Migrations
  • Change Tracker API
  • Loading Modes
  • Interceptors
  • Dapper
  • NHibernate

NoSQL databases

For dynamic, high-speed applications, NoSQL databases offer the flexibility and performance we need.

  • Redis
  • ElasticSearch
  • AWS DynamoDB
  • Azure Cosmos DB

Caching

Caching enhances performance by reducing the time it takes to retrieve frequently accessed data.

  • Output Caching
  • Response Caching
  • Redis

Logging

Logging is crucial for tracking application behavior and troubleshooting issues.

  • Microsoft.Extensions.Logging
  • Serilog

Messaging

Our messaging tools allow for seamless communication between services, enabling scalable, distributed systems.

  • Azure Service Bus
  • AWS SQS/SNS
  • RabbitMQ
  • MassTransit
  • NServiceBus

Unit testing

Testing is key to ensuring code reliability, and we use a range of tools to keep our applications running smoothly.

  • xUnit
  • NUnit
  • NSubstitute
  • Moq
  • FluentAssertions
  • Bogus

Integration testing

Our integration testing tools help us verify that all system components work harmoniously.

  • WebApplicationFactory
  • TestContainers
  • Respawn

End-to-End (E2E) testing

End-to-end testing ensures that user interactions work as intended, creating a seamless experience.

  • Playwright

Performance testing

We use performance testing to confirm that applications remain fast and responsive, even under load.

  • K6
  • JMeter

Streaming

For real-time data processing, our streaming tools let us handle high-velocity data seamlessly.

  • Apache Kafka
  • AWS Kinesis
  • Azure Event Hubs

API documentation

Documentation is essential for clear communication, and we use tools to define and share our APIs.

  • OpenAPI

Task scheduling

Task scheduling lets us run background jobs, keeping our applications efficient and responsive.

  • Background Service
  • HangFire

Monitoring and telemetry

Monitoring tools give us insights into performance and user experience, so we can optimize continuously

  • OpenTelemetry
  • Prometheus
  • Grafana
  • Application Insights

Containers

Containers make it easy to build, test, and deploy applications consistently across environments.

  • Docker
  • Kubernetes
  • K9s

Cloud

We rely on the cloud to provide scalable, reliable infrastructure for our applications.

  • Azure
  • AWS
  • Azure Functions
  • AWS Lambda
  • Azure Storage
  • AWS S3

.NET libraries

Our library collection enhances our .NET development, offering solutions for resilience, validation, and more.

  • Polly
  • FluentValidation
  • Humanizer.Core
  • Benchmark.NET
  • MediatR
  • Units.NET

DevOps

DevOps tools automate and streamline our workflows, from coding to deployment.

  • Terraform

Our .NET toolkit includes the latest advancements and essential tools for building modern applications, enhancing productivity, and supporting cross-platform development.

  • C# 12
  • .NET 8, 
  • .NET Framework
  • .NET CLI

We follow industry best practices to keep our code clean, manageable, and easy to scale.

  • Single Responsibility Principle (SRP)
  • DRY (Don’t Repeat Yourself)
  • YAGNI (You Aren’t Gonna Need It)
  • KISS (Keep It Simple, Stupid)

ASP.NET Core gives us the foundation we need to create powerful, high-performance web applications.

  • Web API
  • Minimal API
  • Routing
  • Middleware
  • Filters
  • Configuration
  • Authentication
  • Authorization
  • Dependency Injection

Relational databases are key to handling structured data, and we use leading options to ensure data integrity and scalability.

  • RDBMS Fundamentals
  • SQL Syntax
  • Stored Procedures
  • PostgreSQL
  • SQL Server
  • MySQL / MariaDB

We build reliable, scalable APIs to power data exchange and support complex application logic.

  • REST
  • Minimal API
  • Web API
  • GraphQL
  • gRPC

Our ORM tools simplify data handling, letting us focus on application logic instead of database interactions.

  • Entity Framework Core (EF Core)
  • Code first
  • Migrations
  • Change Tracker API
  • Loading Modes
  • Interceptors
  • Dapper
  • NHibernate

For dynamic, high-speed applications, NoSQL databases offer the flexibility and performance we need.

  • Redis
  • ElasticSearch
  • AWS DynamoDB
  • Azure Cosmos DB

Caching enhances performance by reducing the time it takes to retrieve frequently accessed data.

  • Output Caching
  • Response Caching
  • Redis

Logging is crucial for tracking application behavior and troubleshooting issues.

  • Microsoft.Extensions.Logging
  • Serilog

Our messaging tools allow for seamless communication between services, enabling scalable, distributed systems.

  • Azure Service Bus
  • AWS SQS/SNS
  • RabbitMQ
  • MassTransit
  • NServiceBus

Testing is key to ensuring code reliability, and we use a range of tools to keep our applications running smoothly.

  • xUnit
  • NUnit
  • NSubstitute
  • Moq
  • FluentAssertions
  • Bogus

Our integration testing tools help us verify that all system components work harmoniously.

  • WebApplicationFactory
  • TestContainers
  • Respawn

End-to-end testing ensures that user interactions work as intended, creating a seamless experience.

  • Playwright

We use performance testing to confirm that applications remain fast and responsive, even under load.

  • K6
  • JMeter

For real-time data processing, our streaming tools let us handle high-velocity data seamlessly.

  • Apache Kafka
  • AWS Kinesis
  • Azure Event Hubs

Documentation is essential for clear communication, and we use tools to define and share our APIs.

  • OpenAPI

Task scheduling lets us run background jobs, keeping our applications efficient and responsive.

  • Background Service
  • HangFire

Monitoring tools give us insights into performance and user experience, so we can optimize continuously

  • OpenTelemetry
  • Prometheus
  • Grafana
  • Application Insights

Containers make it easy to build, test, and deploy applications consistently across environments.

  • Docker
  • Kubernetes
  • K9s

We rely on the cloud to provide scalable, reliable infrastructure for our applications.

  • Azure
  • AWS
  • Azure Functions
  • AWS Lambda
  • Azure Storage
  • AWS S3

Our library collection enhances our .NET development, offering solutions for resilience, validation, and more.

  • Polly
  • FluentValidation
  • Humanizer.Core
  • Benchmark.NET
  • MediatR
  • Units.NET

DevOps tools automate and streamline our workflows, from coding to deployment.

  • Terraform
WORK MODELS

Tailored solutions for every C# project 

  • Staff augmentation

    Our software developers on demand or as an extension of your existing development team

  • Dedicated team

    Our development team in your organization, led by your product owner and project manager

  • Full responsibility

    Our project team (developers plus project manager) handles the entire process and delivers a complete product to you

PROCESS

Here is how we work together

  • discovery

    Discovery

    We begin with a discovery call to understand your goals, team structure, and project details, tailoring our approach to your needs.

  • team-assembly

    Team assembly

    We select top PHP developers to augment your team, build a dedicated team, or manage the entire project from start to finish.

  • onboarding

    Onboarding

    Our developers seamlessly integrate with your team for collaboration, or we take full ownership to lead the project independently.

  • project-kickoff

    Project kickoff

    Once the project begins, we provide full oversight and regular updates to ensure alignment with your objectives.

TRANSPARENT PRICING, ENSURED SATISFACTION

Across all project types, we guarantee the utmost value for your investment

Dedicated

Junior Developer

From EUR 35/hour

2 Years of experience

  • Cost-effective talent

A great choice for budget-conscious projects that need quality support without the high cost.

  • Fresh perspective

Junior developers bring energy and new ideas, eager to tackle challenges and grow with your project.

  • Reliable support for routine tasks

Perfect for handling essential tasks, allowing your project to progress steadily.

Premium
Dedicated

Senior Developer

From EUR 55/hour

5+ Years of experience

  • Expertise for high-stakes projects

Ideal for complex projects needing advanced skills, strategic thinking, and a proactive approach.

  • Efficient and strategic solutions

Senior developers bring deep technical knowledge, ensuring efficient, high-quality solutions.

  • Seasoned stability

Rely on a developer with a strong track record to provide stability and guide the project through challenges.

Dedicated

Mid-Level Developer

From EUR 45/hour

3 - 5 Years of experience

  • Balanced expertise and value

Perfect for projects that need both experience and cost-efficiency.

  • Adaptability and problem-solving

Mid-level developers are skilled at tackling complex issues while quickly adapting to your project’s needs.

  • Consistent workflow

Achieve consistent progress with a skilled developer who ensures smooth operations.

OUR LEADERSHIP TEAM

With over 50 years of combined experience, we have a well-experienced team leading the way. Interested in collaborating? Don’t hesitate to reach out!

senad santic

Senad Santic

Co-founder/CEO

nikola mirkovic

Nikola Mirkovic

Co-founder/Head of Sales

haris husejnovic

Haris Husejnovic

Growth Manager

FAQ

What is C# primarily used for?

C# is a flexible programming language crafted by Microsoft, and it’s widely used for creating a variety of applications. Whether you’re building desktop software, web apps, mobile applications, or even games, C# has got you covered. It's especially favored in enterprise software development because it works seamlessly with the .NET framework, allowing developers to create applications that are scalable, secure, and perform really well.

When should I consider using C# for my project?

C# is a great fit for several types of projects, including:

  • Windows Desktop Applications: Perfect for software like accounting tools or productivity applications.
  • Mobile Apps: With Xamarin, you can create cross-platform mobile apps that run on iOS, Android, and Windows - all using C#.
  • Game Development: If you’re into gaming, C# is a top choice, especially with engines like Unity, making it easy to create immersive experiences on platforms like Xbox and PC.
  • Web Applications: C# shines in building dynamic, scalable web applications through ASP.NET.
  • Internet of Things (IoT) Solutions: It’s great for developing back-end services that control IoT devices.
  • Enterprise Applications: If you’re looking to build commercial software, C#’s strong scalability and security features make it an excellent option.

What is the difference between C# and .NET?

C# is a programming language, while .NET refers to the entire framework, including its libraries and runtime environment. Within the .NET ecosystem, you can write applications using C#, F#, or Visual Basic (VB). C# is integral to .NET's functionality, so they often go hand in hand. If you're aiming to make the most of .NET, C# will definitely be a key player in your journey.

Why choose ZenDev for C# development?

When it comes to finding the right C# developers, ZenDev makes the process easy and efficient. We understand that a skilled developer can make all the difference in your project’s success. That’s why our team is thoroughly vetted not just for their technical expertise, but also for their communication skills and cultural fit.

We’re committed to delivering fast, reliable solutions that are tailored specifically to your needs. Whether you’re looking to build a straightforward app or a complex enterprise system, we’re here to help you every step of the way.

How quickly can I start working with a C# developer?

Our streamlined hiring process allows you to connect with an experienced C# developer in just a few days. We focus on finding someone who fits your project requirements and is ready to start immediately.

Can I hire a part-time or project-based C# developer?

Yes, you can hire a part-time or project-based C# developer! Whether you need a full-time developer for a long-term project or a part-time expert for specific tasks, ZenDev offers flexible engagement models to accommodate your needs.

What support does ZenDev provide during and after the project?

We offer ongoing support throughout the development lifecycle to address any challenges that may arise. After project completion, our team remains available for maintenance and updates, ensuring your application stays up-to-date and performs optimally.

Can I interview C# developers before hiring?

Absolutely. We encourage clients to interview our developers to ensure they're the perfect match for your project. You'll have the opportunity to assess their skills and communication style before making a decision.

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