.NET (C#) Development Outsourcing Company

  • 14 years of experience with .Net (C# projects in many industries
  • 80+ .Net (C#)  Developers 
  • 26 Projects in the past three years 
  • Experiences in working with both Startups to large scale enterprises.
  • We work with Clients in Europe, USA and Gulf region
  • Legacy to modern tech-stack coverage

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React JS Development Outsourcing Services

Our .Net (C#) Services

C# Application Development

We build web services, APIs, and internal tools with C# that improve reliability and delivery speed. Typical outcomes include faster response times, simpler maintenance, and clear upgrade paths. We usually choose ASP.NET Core with a layered or Clean Architecture approach. After launch we provide support and small enhancements so value keeps growing.

C# Cloud Development

We create cloud based C# services that scale with demand and keep costs under control. Containers or serverless are selected based on traffic and budget so you pay only for the capacity you need. Environments are defined as code to keep them consistent and easy to recover. Monitoring and alerts are included from day one to reduce downtime.

C# Systems and Microservices

We design high performance services and event driven systems with C#. Results include stable SLAs, clean interfaces, and predictable operations. We plan versioned APIs and straightforward deployment pipelines so multiple teams can evolve the system without friction.

Our projects often combine several services - our expertise stretches across many areas

Our Approach to .Net (C#) Development

C# with the .NET Framework provides a mature ecosystem, strong tooling, and high performance on both Windows and Linux. It fits MVPs and business critical systems when architecture and operations are planned well.

Here’s what makes Netcorp’s C# developers valuable:
Here’s what makes Netcorp’s Java developers valuable:
Here’s what makes Netcorp’s Java developers valuable:

We use proven frameworks and practices like ASP.NET Core, Minimal APIs, gRPC, Entity Framework Core, and MediatR.

We modernize legacy services, upgrade .NET versions safely, and reduce tech debt with clear steps.

We build with security in mind following OWASP principles, code reviews, and dependency scanning.

We set up CI with automated tests and linters to keep releases predictable

We use AI assisted tooling when customers want shorter MVP cycles and faster feedback.

We keep communication clear and regular so stakeholders know status and next steps.

We value simplicity over complexity to make systems easy to operate and extend.

.Net

Case Studies

Centralized marketing data hub built with Snowflake, Airflow, Fivetran, and Looker, unifying CRM and campaign data to deliver real-time insights for telecom marketing teams.

1 year and 6 months
Norway
Team extention
Snowflake
Python
Airflow
Fivetran
Looker
Data & Analytics
Centralized Marketing Data Hub

Financial data warehouse modernization using Snowflake, dbt, and Tableau, improving reporting speed, data accuracy, and regulatory visibility for a German investment bank.

2 years
Germany
Team extention
Snowflake
DBT
Python
Tableau
AWS Glue
Data & Analytics
Financial Data Warehouse Modernization

Retail analytics and personalization platform using Databricks and PySpark to unify sales and loyalty data, generate customer insights, and support targeted marketing campaigns in real time.

1 year and 3 months
Denmark
Team extention
Databricks
PySpark
Azure Synapse
SQL
MLflow
Data & Analytics
Backend
Customer Insights and Personalization Platform

IoT energy data processing platform built with Databricks, Scala, Kafka, and Delta Live Tables, enabling real-time smart grid monitoring and large-scale sensor data analytics.

1 year and 9 months
Sweden
Team extention
Core Data
Scala
Kafka
AWS
AWS S3
Data & Analytics
IoT Energy Data Processing Platform

Real-time fraud detection platform built with Databricks, PySpark, Delta Lake, and Azure Event Hubs, using ML models to detect anomalies instantly and reduce fraud losses.

1 year and 10 months
Estonia
Full Team Outsourcing
Databricks
PySpark
Delta Lake
Azure Event Hubs
MLflow
Data & Analytics
Real-Time Fraud Detection Platform

Real-time threat detection system built with Golang, Kafka, Elasticsearch, Redis, and Kubernetes, analyzing security data at scale to detect threats within seconds.

11 months
Germany
Team extention
Golang
Elasticsearch
Kafka
Redis
OpenTelemetry
Backend
Real-Time Threat Detection System

IoT energy data collection platform built with Golang, gRPC, InfluxDB, RabbitMQ, Docker, and Grafana, processing millions of smart meter readings with real-time analytics.

1 year 4 months
Europe
Team extention
Golang
gRPC
InfluxDB
RabbitMQ
Docker
Backend
IoT Energy Data Collection Platform

Low-latency video streaming platform built with Golang, WebRTC, FFmpeg, Kubernetes, NATS, and Cassandra, delivering live video to 200,000+ concurrent users with sub-500ms latency.

1 year
Europe
Team extention
Golang
Kubernetes
WebRTC
FFmpeg
NATS
Backend
Low-Latency Video Streaming Service

Real-time fleet tracking system built with Golang, MQTT, Redis, PostgreSQL, AWS IoT Core, and React, processing live vehicle data for large-scale logistics operations.

9 months
Scandinavia
Team extention
Golang
MQTT
Redis
PostgreSQL
AWS IoT Core
Backend
Real-Time Fleet Tracking System

High-performance transaction platform built with Golang, gRPC, Kafka, PostgreSQL, and Kubernetes, enabling real-time financial processing with low latency and high scalability.

1 year and 2 months
Europe
Team extention
Golang
gRPC
PostgreSQL
Kafka
Kubernetes
Backend
High-Performance Transaction Processing Platform

Online loan marketplace built with Angular, TypeScript, microservices, and PostgreSQL, enabling users to compare loan offers and sign credit agreements fully online.

2 years and 1 month
Poland
Team extention
Angular
TypeScript
HTML5
CSS3
Bootstrap
Frontend
Online Loan Marketplace

Shipment tracking and campaign management web apps built with ASP.NET, Angular, Entity Framework, and SQL Server, enabling real-time delivery tracking and smarter logistics marketing.

3 years and 3 months
Ireland
Full Team Outsourcing
C#
ASP.NET
Entity Framework
Angular
SQL Server
Frontend
Shipment Tracking and Campaign Management

iOS venue rating app built with Objective-C, Swift, MapKit, and Core Data, enabling users to discover, view, and rate nearby venues through an interactive map.

9 months
Norway
Team extention
iOS 8
iOS 9
Objective-C
Swift
MapKit
Mobile
Venue Rating Mobile Application

Password-less authentication platform built with Python, Django, PostgreSQL, mobile SDKs, OAuth, OpenID, SAML, and FIDO, delivering secure biometric and multi-factor access for enterprise systems.

1 year and 2 months
Europe
Team extention
Python
Django
PostgreSQL
Android (Java)
iOS (Objective-C, Swift)
Mobile
Password-less Authentication Platform

Netcorp built a mobile app for a price comparison platform, integrating barcode scanning, price checks, and geolocation

1 year
Poland
Team extention
React Native
REST API
Barcode Scanner
Google Maps API
Mixpanel
Mobile
Price Comparison Mobile Application

Netcorp built a mobile app for real-time train search and delay updates, helping passengers plan journeys with ease by providing up-to-date schedules, routes, and delays.

8 months
Europe
Team extention
Android (Flutter)
REST API
Firebase
Google Maps API
PostgreSQL
Mobile
Train Search and Delay Checker

Netcorp built a mobile banking app using Kotlin Multiplatform, reducing development time and defects while providing a unified platform for managing accounts, payments, loans, and savings.

1 year and 3 months
Poland
Team extention
Kotlin Multiplatform
Android (Flutter)
iOS
Swift
Jetpack Compose
Mobile
Mobile Banking Application for Financial Services

Netcorp created a motor vehicle insurance app that scans QR codes from registration documents, integrates external data, and provides real-time.

10 months
Central Europe
Team extention
Flutter
REST API
Firebase
PostgreSQL
QR Code Reader
Mobile
Motor Vehicle Insurance Application

Netcorp built a mobile banking app for a major Polish bank, integrating Flutter for cross-platform development and ensuring secure, seamless access to financial services on both Android and iOS.

1 year and 4 months
Poland
Team extention
Flutter
Android (Kotilin)
iOS
Swift
REST API
Mobile
Mobile Banking Application

Netcorp built an e-commerce platform for a retail network, integrating React, Node.js, PostgreSQL, and AWS to handle high transactions and deliver new features quickly

7 months
Northern Europe
Team extention
React JS
TypeScript
Redux
Node.js
Kotlin
Backend
International E-commerce Platform

Netcorp developed secure, user-friendly mobile apps for a European fintech company, enabling fast, affordable international money transfers with real-time tracking and enhanced customer experience.

1 year and 1 month
Europe
Team extention
Android (Kotilin)
iOS
Swift
REST API
Firebase
Backend
International Money Transfer Application

Netcorp delivered a modern web banking platform for a top Polish bank, improving user experience, multichannel access, and digital services, while ensuring legacy system stability.

2 years and 2 months
Poland
Full Team Outsourcing
React JS
TypeScript
PHP
PostgreSQL
Oracle
Frontend
User-friendly Online Banking Platform

Netcorp built a secure, user-friendly mobile app for Modern Poland Bank, integrating banking and insurance services with advanced authentication and fast transfers.

1 year and 8 months
Poland
Team extention
iOS
Android (Kotilin)
Python
REST API
PostgreSQL
Backend
Mobile Banking and Insurance Application

Learn how Netcorp modernized Monese’s customer data management, developed APIs, and optimized performance for better scalability, faster service development, and easier system maintenance.

1 year 2 months
United Kingdom
Full Team Outsourcing
Java
Spring
PostgreSQL
Kafka
Docker
Cloud & DevOps
Customer Data Migration and Service Development

Netcorp supported Ubisecure in developing and modernizing their Identity Platform, enhancing user experience, strengthening security, and enabling scalability for international growth.

2 years 11 months
Finland
Team extention
Java
Spring
React JS
REST API
PostgreSQL
Backend
Ubisecure Identity Platform Development

Netcorp optimized and migrated Centevo’s MS SQL-based OLTP system to AWS Babelfish, improving query performance, reducing costs, and modernizing the database environment with AWS Aurora.

Ongoing since 2024
Sweden
Team extention
Microsoft SQL Server
SQL Server Query Store
T-SQL
BCP Utility
AWS Babelfish
Cloud & DevOps
Cairo – MS SQL Database Optimization and Migration to AWS Babelfish

Netcorp built an API gateway for automotive integrations, enhancing the client’s digital mobility services and supporting new partnerships through seamless platform extensions.

3 months
Sweden
Team extention
Java
Docker
Kubernetes
PostgreSQL
Kotlin
Backend
API Gateway for Automotive Integrations

Netcorp built the Eventhos platform, simplifying ticket sales and validation, giving organisers control over access rights, and enhancing the overall event experience.

1 year 5 months
Estonia
Team extention
React JS
REST
TypeScript
PostgreSQL
REST API
Frontend
Eventhos – Event Organiser Platform

Messente’s Accounts Service by Netcorp provides secure account management, authentication, and crediting workflows, ensuring stability and integration with other platform services.

1 year and 5 months
Estonia
Team extention
Angular
REST
Backend
Messente - Accounts Service

Smart energy management in Estonia, Latvia, Lithuania, and Poland, optimizing home battery use and empowering customers to sell excess electricity.

2 years
Estonia
Team extention
Java
Spring
Hibernate
React JS
TypeScript
Cloud & DevOps
Flexibility Services – Virtual Power Plant Solution

Netcorp supported Enefit in creating a unified Self-Service Portal, consolidating different country portals into one platform to streamline maintenance and improve user experience in multiple home markets.

2 years
Estonia
Team extention
Java
Spring
Hibernate
React JS
TypeScript
Mobile
Enefit Self Service Portal

Netcorp helped a client in the Middle East build a data processing framework, including prototyping, testing, and consulting, to improve data-driven solutions and decision-making.

1 year 7 months
MIddle East
Team extention
Azure Synapse
Cloud & DevOps
Data Processing Framework Development

Netcorp worked with Unifonic to improve their platform with new features, backend development, and consulting to boost internal team quality.

1 year 6 months
Saudi Arabia / United Arab Emirates
Team extention
PHP
Symfony
PostgreSQL
Backend
Unifonic – Product Development and Team Quality Improvement

Netcorp upgraded Lyyti’s Event Management System, enhancing scalability, user experience, and core event features.

2 years 5 months
Finland
Team extention
React JS
Vue.js
PHP
PostgreSQL
REST APIs
Backend
Lyyti – Event Management System Modernization

Netcorp helped Creditstar optimize its core product platform, improving scalability, performance, and cloud deployment for better financial service delivery.

5 months
Estonia
Team extention
PHP
Redis
MySQL
MongoDB
Kubernetes
Backend
Creditstar – Main Product Development

Netcorp helped a Finnish energy producer build a Customer Data Platform and optimize personalization models and cloud infrastructure.

Ongoing since 2022
Finland
Team extention
AWS
Azure
Google Cloud
Apache Spark
Snowflake
Cloud & DevOps
Customer Data Platform and Personalization Models

Explore how Netcorp developed the NTRY platform for Dark Horse AS, enhancing access control, customer experiences, and content display with advanced web and mobile solutions.

6 months
Estonia
Team extention
React JS
TypeScript
Python
PostgreSQL
Cloudflare
Backend
NTRY Platform – Access, Experience, and Display Applications

A 2-year collaboration developing a modern logistics platform for Itella, integrating customer portals, back-office tools, and automated parcel terminals.

2 years
Finland
Team extention
MySQL
Python
Tornado
SQLAlchemy
Vue.js
Backend
Logistics Platform Development

1-year collaboration delivering a scalable HLR lookup service for Messente, enhancing number intelligence and improving platform performance.

1 year and 4 months
Team extention
Python
Tornado
REST
JSON
Backend
Messente – Home Location Registry Public Lookup

Netcorp took over and enhanced the BIKS Umbraco platform, resolving performance issues and delivering a faster, stable, and scalable digital solution.

7 months
Estonia
Team extention
C#
.Net
Angular
Azure
SQL Server
Backend
BIKS Umbraco – Platform Optimization and Maintenance

Netcorp provided development expertise to strengthen Bondora’s core platform, boosting stability, functionality, and long-term scalability.

1 year 1 month
Estonia
Software project
C#
.Net
PostgreSQL
TypeScript
Backend
Bondora – Main Product Development

Netcorp migrated Enefit’s legacy HCM system to a modern platform, improving financial tracking, usability, and internal operations across the enterprise.

2 years
Estonia
Team extention
.Net
C#
React JS
TypeScript
PostgreSQL
Backend
Enefit Human Capital Management for Employee Cost Management

Full-stack development support for a last-mile e-commerce delivery platform in Finland, improving scalability, reliability, and customer experience.

4 months
Finland
Team extention
REST APIs
Vue.js
PostgreSQL
.Net
C#
Backend
Applixure Feedback – MVP Development

Netcorp helped enhance a last-mile e-commerce delivery platform with scalable web solutions, modern tech, and seamless logistics integrations.

7 months
Finland
Team extention
Java 17
Spring Boot
Spring JPA
Flyway
MapStruct
Backend
E-Nexus: E-commerce Delivery Platform

Discover how we built the Applaus Festival App for Rocketfarm AS, enhancing engagement with real-time updates, event details, and useful stats.

2 months
Norway
Full Team Outsourcing
Scala (Play Framework)
Ember.js
JavaScript
PostgreSQL
Objective-C
No items found.
Nong & Petters AS: Applaus Festival App

Discover how Netcorp developed the SFE Smart Hus App for Rocketfarm AS, allowing users to control devices, set up security, and receive real-time updates.

10 months
Norway
Full Team Outsourcing
AngularJS (ES6)
StylusCSS
Gulp
Frontend
SFE Smart Hus App – Flikk.no

Discover how Netcorp improved the Volunteer System for Rocketfarm AS with data export, SMS features, and better UX for efficient team management.

1 year 10 months
Norway
Software project
Ruby on Rails
Vue.js
jQuery
CoffeeScript
PostgreSQL
Frontend
Volunteer System – Team and Event Management

Discover how Netcorp developed the Better Player app for Sogndal FC, enhancing performance with data analysis, using a global team from Poland and Norway.

1 year 4 months
Norway
Software project
iOS
Swift
REST API
Mobile
Better Player – Performance Tracking App for Sogndal Football Club

Discover how Netcorp built iOS and Android apps for Fotoknudsen, enabling easy photo transfers, editing, and ordering, with a team from Poland and Norway.”

10 months
Norway
Software project
iOS
REST API
Image Processing
Reactive Programming
Mobile
Rocketfarm AS: Fotoknudsen

Discover how Netcorp developed the Yast time-tracking service for Rocketfarm AS, with a global team from Poland and Norway to create a global solution.

2 months
Norway
Software project
JavaScript
Scala (Play Framework)
Objective-C
Swift
Android Studio
Frontend
Rocketfarm AS: Yast

Discover how we built the Applaus Festival App for Rocketfarm AS, improving user engagement with real-time updates, event details, and useful stats.

2 years 1 month
Norway
Software project
Scala (Play Framework)
Ember.js
JavaScript
PostgreSQL
Objective-C
Mobile
Nong & Petters AS: Applaus Festival App

Discover how we developed an HR portal for Enefit, empowering employees to manage personal data, update education, and access team and group details.

2 years
Estonia
Team extention
Java
Spring
Hibernate
React JS
TypeScript
Backend
Eesti Energia AS: HR Portal

Development of mobile app, charge control and application for the electric car charging network.

1 year 2 month
Estonia
Team extention
Java
Angular
AWS
Elkstack
PostgreSQL
Backend
1oT OÜ: Product Development

Explore our study on Rocketfarm AS Warm: Real-time radio monitoring app. Sync payments, track songs globally, and display plays on a world map.

9 months
Norway
Team extention
JavaScript
Angular
Node.js
MongoDB
Mobile
Rocketfarm AS: Warm-Music DNA

Explore Eesti Energia AS’s VPP case study: Smart energy storage in Estonia, Latvia, Lithuania & Poland, enhancing battery use and energy sales.

2 years
Estonia
Software project
Java
Spring
Hibernate
React JS
TypeScript
Cloud & DevOps
Eesti Energia AS: Flexibility Services

Discover our case study on developing an app for electric car charging networks in Estonia, Latvia & Lithuania, featuring RFID & smart charging solutions.

2 years
Estonia
Team extention
Java
Elkstack
Flutter
Gradle
gRPC
Backend
E-Mobility - Smart Charging Solution for Electrical Vehicles

Learn how Netcorp partnered with Ygrene to implement DevOps practices, optimizing operations and accelerating software delivery.

Ongoing since 2020
USA
Team extention
AWS
Kubernetes
Cloud Infrastructure Management
Cloud & DevOps
Ygrene – DevOps Infrastructure Management

Netcorp developed a scalable HLR number lookup API for Messente, enhancing routing and validation services.

4 years and 2 months
Estonia
Team extention
REST
Angular
Frontend
Messente Communications

Discover how Netcorp partnered with Rally Estonia to bring their vision to life through custom app development.

1 year 6 months
Estonia
Software project
React Native
Node.js
PostgreSQL
REST API
Firebase
Mobile
Rally Estonia – Event Management and Spectator Applications

Discover how Netcorp collaborated with Visit Bergen to transform their ideas into impactful tourism software solution.

11 months
Norway
Team extention
Python
React JS
Backend
Visit Bergen – Touchless Kiosk

FEATURED clients

telia logo
Telecom. Scandinavia
Iot logo
All in one IoT solution, Estonia
payr logo
Fintech, Norway
ygrene ogo
Clean Energy Fintech, USA
monese logo
Clean Energy Fintech, USA
rally estonia logo
Leading WRC Rally organizer
eesti energia lgog
Energy producer in Baltics
messente logo
Global SMS API platform
telia logo
Telecom. Scandinavia
Iot logo
All in one IoT solution, Estonia
payr logo
Fintech, Norway
ygrene ogo
Clean Energy Fintech, USA
monese logo
Clean Energy Fintech, USA
rally estonia logo
Leading WRC Rally organizer
eesti energia lgog
Energy producer in Baltics
messente logo
Global SMS API platform

Choose Your Custom Service Model

.Net (C#) Staff Augmentation Services

Great option  if you need C# developers as team extension. Good option for a longer period (6+ months).

Learn more

.Net (C#) Development Outsourcing / Full development outsourcing

You have a business idea that can make you successful. Our team of architects, analysts, testers, and engineers can build that solution.

Learn more

How You Win With Outsourcing .NET (C#) Development to Netcorp

Outsourcing .NET (C#) development with Netcorp ensures that you have access to top-tier talent and advanced solutions without the lengthy recruitment process or high overhead costs.

Quick Start Without Delays

Get your .NET (C#) project moving in 1–8 weeks. We quickly match you with the right .NET (C#) specialists, allowing you to focus on the strategic direction of your business while we handle the technical implementation.

Experienced and Reliable

With over 14 years of experience in .NET (C#) development and a team of 80+ developers, we’ve successfully delivered numerous projects across industries. You can trust Netcorp to provide the expertise that meets both your technical and business goals.

Skilled .NET (C#) Developers

Work with senior developers who specialize in .NET (C#) development, including application development, microservices, backend services, and cloud solutions. We build robust .NET systems, integrate them with existing infrastructure, and ensure that they align with your business objectives.

Easy to Work With

Our .NET (C#) development process integrates smoothly with your existing systems and tools. We collaborate effectively with your team, ensuring clear communication and achieving every goal with full transparency.

Quality and Security Built In

From day one, we prioritize clean code, regular testing, and strong security practices. Our team ensures that all .NET (C#) systems are optimized for performance, and your data remains secure throughout the development cycle.

Proactive and Culturally Experienced

With experience working on diverse global projects, our team is proactive and understands the nuances of .NET (C#) development. We work closely with you to ensure that your solutions are not only functional but also deliver tangible business value.

Journey to Kickoff takes usually 1-8 weeks

A proven 5-step process that delivers results. From rapid project initiation to long-term partnership, we ensure your success at every stage.

Discussyour bussiness challenges
Step 1
Choosepreferred way of working
Step 2
ReceiveDevelopers CV’s or project proposal
Step 3
ConductSelection Interviews
Step 4
Startthe work
Step 5
1-8 weeks start
250+ developers
Specialists from Poland and Estonia

Our Developers Technical Skills

Frameworks

.NET Core
Minimal APIs
gRPC
Entity Framework Core
Dapper
MediatR

Cloud & Integrations

AWS
OpenAPI
Kafka
RabbitMQ
Azure Service Bus

Tools & Skills

Clean Architecture
Clean Code
OWASP
Service Oriented Architecture
Concurrent processes

Contact us so we can help you!

Paavo Puklin
Executive Board member, Founder at Netcorp

Hello,

I believe good partnerships start with an open conversation,and that’s exactly what this form is for.

Tell me what you’re exploring, whether it’s expanding your development capacity, modernising your digital channels, or finding ways for AI to make your business more efficient and compliant. Even if your ideas are still taking shape, I’ll be happy to discuss what’s realistic and where we can bring value.

Every message comes directly to me or someone from our leadership team, and we are usually able to reply within one business day.
No obligations, no sales pressure, just a straightforward and human conversation about your goals.

Get expert help for your project.

By sending this form you agree to be contacted about your request.
Thank you! Your submission has been received!
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FAQ

What types of solutions are a good fit for C# and .NET?

High performance APIs, event driven services, back office systems, and integrations that need long term support and strong tooling. Teams get predictable delivery and dependable operations.

Can you integrate .NET with other technologies or frameworks?

Yes, .NET can be integrated with a multitude of frameworks and technologies. This includes front-end frameworks like React, databases like MySQL, and back-end technologies like Docker.

Will C# scale for heavy traffic and strict SLAs?

Yes. ASP.NET Core is optimized for throughput and low latency. We combine caching, queues, and horizontal scaling so performance stays predictable during traffic spikes.

How do you keep .Net (C#) projects secure?

We follow OWASP practices, perform code reviews, and scan dependencies and images. Identity is handled with OAuth2 or OpenID Connect. Secrets are stored safely and monitoring helps catch risks early.

What’s the difference between C# and .NET?

  • C# is a programming language developed by Microsoft. It is a modern, object-oriented language used for building a wide range of applications, from desktop to web and mobile.
  • .NET (or .NET Framework) is a software development platform that provides a wide range of tools, libraries, and runtime environments for developing and running applications. It supports multiple programming languages, including C#.
  • Can you modernize our existing .NET applications?

    Yes. We upgrade frameworks, improve performance, and refactor code in small steps with rollback plans. The goal is better maintainability without disrupting day to day operations.

    What happens after launch?

    We provide monitoring, incident response, and small enhancements to keep the product reliable. You can retain our team for ongoing development or transition to your in house team with documentation and a structured handover.

    … and many more.

    Explore Our Related Services

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