Freelance C# jobs

92 live freelance, contract and interim C# roles, collected daily from recruitment-agency desks around the world — the postings that rarely make it to the big job boards.

92 live92 freelance18 remote
Software Developer
Freelanceonsite🇺🇸 United States📍 Austin, TXASP.NETAngularC#.NET Core
Dynamics 365 for Sales - Technical Consultant
Freelancehybrid🇵🇱 Poland📍 Krakow, Poland⏱ 12 months + extensionDynamics 365Power PlatformC#JavaScript
NET Developer with AI experience
Freelancehybrid🇵🇹 Portugal📍 Trofa, Portugal⏱ > 12 monthsC#.NETASP.NET CoreSQL Server
Developpeur C Net Entity F H
Freelanceonsite🇫🇷 France📍 MontpellierC#.NETWPFEntity Framework Core
Technicien Test Validation Mecatronique F H
Freelanceonsite🇫🇷 France📍 MontpellierC#SolidWorksOffice 365
Full Stack Developer Austin
Freelancehybrid🇺🇸 United States📍 Austin, TX⏱ 12 months.NETC#AngularASP.NET
Senior C++ Developer
Freelanceremote🇵🇱 Poland📍 WarsawC++REST APIJavaC#
Developer platform engineer – secure ci/cd
Freelancehybrid🇳🇱 Netherlands📍 Utrecht⏱ 12 monthsAzure DevOpsAzureGitC#
Senior .NET Developer
Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 monthsC#.NETASP.NET CoreSharePoint Online
NET developper
Freelancehybrid🇧🇪 Belgium📍 Bruxelles⏱ 12 months + extension.NET.NET COREAzureC#
Software Engineer C Net Asset Management London
Freelancehybrid🇬🇧 United Kingdom📍 London⏱ 6 monthsC#.NETMicrosoft AzureSnowflake
Senior .NET Developer
Freelanceremote🇵🇱 Poland📍 Poland⏱ 7-9 monthsC#.NETCQRSEvent-Driven Architecture
Azure Cloud Engineer - Governance & Automation
Freelanceonsite🇩🇰 Denmark📍 Denmark⏱ 3 monthsAzureC#Azure PolicyInfrastructure as Code
Software enigneer (SWAT)
Freelancehybrid🇳🇱 Netherlands📍 Amsterdam⏱ 6 months + extensionAzureSQLCosmos DBC#
Cnet Softwareentwickler Mannheim
Freelanceonsite🇩🇪 Germany📍 MannheimC#.NETOOPTDD
J52823 Senior DevOps Engineer
Freelanceonsite🇳🇱 Netherlands📍 Den Haag⏱ 4 monthsAzure DevOpsPowerShellAnsibleDocker
Développeur Web Service – Front End et Back End
Freelancehybrid🇫🇷 France📍 Aix-en-Provence⏱ 1 year.NETAngularC#CI/CD
Developpeur C#, .net, AvaloniaUI, Python
Freelancehybrid🇫🇷 France📍 Corbeil-Essonnes⏱ 3 months + extensionC#Python
Développeur C#
Freelancehybrid🇫🇷 France📍 Saint-Denis, France⏱ > 12 monthsC#SSISSQL ServerPostgreSQL
Senior Software Developer Generative AI Richmond
Freelancehybrid🇨🇦 Canada📍 Richmond, British Columbia⏱ 12 monthsPythonC#.NET CoreOpenAI
Senior C# / .Net Developer
Freelanceonsite🇧🇪 Belgium📍 BrusselsC#.NET 6/8+ASP.NET CoreEntity Framework Core
Technical Lead (.Net)
Freelanceremote🇵🇹 Portugal📍 Portugal⏱ > 12 months.NETC#SQLREST
Senior Full Stack .NET / Angular Developer
Freelancehybrid🇵🇹 Portugal📍 Lisbon, Portugal⏱ > 12 monthsC#.NETAngularTypeScript
QA Lead
Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 monthsJavaKafkaC#SQL
Net/ C# Developer
Freelanceonsite🇺🇸 United States📍 Chicago, IllinoisC#.NETMS SQL ServerSQL
Software Engineer · NET & Angular Full Stack
Freelanceonsite🇦🇪 United Arab Emirates📍 Abu Dhabi.NET 8ASP.NET CoreC#Angular
Développeur .Net / VB.Net
Freelanceonsite🇱🇺 Luxembourg📍 Luxembourg, Luxembourg⏱ 6 months + extensionVB.NetC#SQLDB2
Application Security Engineer
Freelancehybrid🇵🇹 Portugal📍 Lisbon, Portugal⏱ > 12 monthsJavaSpring BootC#.NET
Senior Testmanager IT/OT für Maschinen- und Anlagenlösungen
Freelancehybrid🇩🇪 Germany📍 Oberkochen, Germany⏱ 24 monthsJiraAzure DevOpsPolarionSiemens TIA Portal
Senior Software Developer
Freelanceremote🇵🇱 Poland📍 Poland⏱ 3 years + extensionC#.NETReactJavaScript
Senior .NET Developer – Financial Services & Microservices
Freelanceremote🇵🇱 Poland📍 Wroclaw.NETC#KafkaRabbitMQ
Idam Engineer
Freelanceonsite🇬🇧 United Kingdom📍 ManchesterMicrosoft Identity ManagerActive DirectoryMicrosoft Entra IDOkta
Senior Software Developer Richmond
Freelancehybrid🇨🇦 Canada📍 Richmond, BC⏱ 12 monthsC#.NETAzureAngular
Developpeur Full Stack Net Angular Equipe Agconnexion Montreal
Freelancehybrid🇨🇦 Canada📍 Montreal⏱ 6 months + extensionC#.NET Core.NET 6Angular
Senior Software Engineer C Net Sur Courbevoie
Freelancehybrid🇫🇷 France📍 Courbevoie⏱ 24 monthsC#.NETAzureSQL Server
[8AI] Senior Full Stack Engineer (React + C#) Q2
Freelanceremote🇨🇷 Costa Rica📍 San José, San José Province, Costa RicaReactC#.NET CoreAzure
Développeur .NET / Angular
Freelancehybrid🇫🇷 France📍 France⏱ > 12 monthsC#.NETAngularSQL Server
Développeur C#
Freelancehybrid🇫🇷 France📍 Paris, France⏱ > 12 monthsC#.NET Framework 4.7+WinFormWPF
Développeur Full Stack Angular / .NET
Freelancehybrid🇫🇷 France📍 Aix-en-Provence⏱ 3 years + extension.NETAngularC#
Net Sitecore Engineer
Freelancehybrid🇳🇱 Netherlands📍 Noord-Holland⏱ long-term + extensionSitecoreXM CloudSitecoreAIC#
Fullstack Net Angular Developer
Freelancehybrid🇳🇱 Netherlands📍 Amsterdam⏱ Long-term + extensionC#.NETAngularTypeScript
Senior Backend Software Engineer Net
Freelanceremote🇺🇸 United States⏱ 9-12 months + extensionC#.NET CoreAWSMongoDB
Senior Full Stack Engineer C React Native
Freelanceremote🇺🇸 United States📍 LATAM⏱ 6-12 monthsC#React NativeJSONTCP/IP Sockets
Développeur Microservices .NET / Angular / Python / Conteneur
Freelancehybrid🇫🇷 France📍 Charenton-le-Pont⏱ 7 months.NETAngularBitbucketC#
Senior Backend Engineer
Freelanceremote🇵🇹 Portugal📍 Portugal⏱ > 12 monthsC#.NETJavaGo
Fullstack Developer (.Net + React)
Freelancehybrid🇵🇹 Portugal📍 Lisbon, Portugal⏱ > 12 months.NETC#ReactREST APIs
Junior .NET Developer
Freelancehybrid🇵🇹 Portugal📍 Lisbon, Portugal⏱ > 12 months.NETC#REST APIs
Fullstack Fintech Regular
Freelanceremote🇵🇱 Poland📍 WarsawC#.NET CoreAngularJavaScript
C Software Engineer Commodities London
Freelancehybrid🇬🇧 United Kingdom📍 London⏱ 6 monthsC#.NETAzureeTrading
C Software Engineer Commodities London
Freelancehybrid🇬🇧 United Kingdom📍 London⏱ 6 monthsC#.NETAzureeTrading
Developer C# Python
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionC#OTCPython
Application Security Engineer Cyber London
Freelancehybrid🇬🇧 United Kingdom📍 LondonAzure DevOpsGitHubPythonJavaScript
Automation Tester (C#, Pega)
Freelancehybrid🇵🇱 Poland📍 Gdansk, Poland⏱ > 12 monthsC#.NET 8NUnitPega
Senior Data Engineer
Freelanceonsite🇩🇰 Denmark📍 Copenhagen, Denmark⏱ 4-6 months + extensionAzureKafkaEvent HubSQL
D365 Solution Architect
Freelanceonsite🇬🇧 United Kingdom📍 City of LondonD365 CEPower PlatformAzureSQL Server
Senior Software Developer - Async Architecture & Concurrency
Freelanceonsite🇩🇪 Germany📍 Jena, Germany⏱ 24 monthsC#.NETWPFWinForms
Senior Software Engineer C# / C++
Freelancehybrid🇩🇪 Germany📍 Jena, Germany⏱ 24 monthsC#C++WPF.NET
Software Developer
Freelancehybrid🇩🇪 Germany📍 Jena, Germany⏱ > 12 monthsC#.NETC++MSBuild
DÉVeloppeur Full Stack Angular / .Net C#
Freelanceonsite🇫🇷 France📍 Fos-Sur-Mer, France⏱ 4-6 monthsAngular.NETC#SQL Server
Developpeur Microservices Net Angular Python Secteur Bancaire
Freelance🇫🇷 France📍 France.NETC#PythonAngular
Team Lead AI Software Engineer · NET/React
Freelanceremote🇺🇸 United States📍 Texas.NETC#ReactSQL Server
Senior Back-End Engineer (C#, project assignment)
Freelanceremote🇵🇱 Poland📍 Ukraine, Poland, Romania, Spain (remote)C#.NETAzureAPIs
Experienced Backend Developer (.NET / AWS)
Freelanceremote🇵🇱 Poland📍 Poland⏱ > 12 monthsC#.NET CoreEntity FrameworkAWS
Senior Software Developer in Test
Freelanceremote🇵🇱 Poland📍 Poland⏱ > 12 monthsTypeScriptJavaScriptPythonJava
Konsultuppdrag – Senior Systemutvecklare .NET / React
Freelancehybrid🇸🇪 Sweden📍 Sweden.NETC#ReactTypeScript
Sr · Dynamics 365 Engineer
Freelanceremote🇧🇪 Belgium📍 Argentina⏱ 6 to 11 monthsDynamics 365Power PlatformAzure DevOpsC#
Test Engineer (.NET / JavaScript)
Freelancehybrid🇵🇱 Poland📍 Krakow, Poland⏱ > 12 monthsC#.NETJavaScriptTypeScript
Fullstack .NET Engineer
Freelancehybrid🇵🇱 Poland📍 Krakow, Poland⏱ > 12 months.NETC#ReactTypeScript
FullStack Developer .NET
Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 monthsC#.NETTypeScriptAngular
Consultant M Files Full
Freelanceremote🇫🇷 France📍 Paris⏱ 24 months + extensionM-FilesPythonPowerShellJavaScript
Développeur .NET sur Grenoble
Freelancehybrid🇫🇷 France📍 Grenoble⏱ 6 months + extension.NETC#
Analyste Developpeur C Web F H
Freelancehybrid🇫🇷 France📍 CergyC#Web
Analyste Developpeur C Cloud F H
Freelanceonsite🇫🇷 France📍 CergyC#SQL Server 2019.NETPowerDesigner
Analyste Quantitatif Junior
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionC#C/C++
C++ Developer - Banking Trading System
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extension.NETAgent IAC#C/C++
Développeur Python
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extension.NETAPIC#Databricks
Développeur Senior C# - Liquidité / Trésorie / Finance
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extension.NETC#Finance
AI Solutions Architect Senior Richmond
Freelancehybrid🇨🇦 Canada📍 Richmond, British Columbia⏱ 12 monthsPythonC#ASP.NET.NET 10
DevOps Engineer
Freelancehybrid🇺🇸 United States📍 Westlake, TXLinuxWindows ServerPythonBash
Test Automation Engineer
Freelancehybrid🇩🇪 Germany📍 Düsseldorf, Germany⏱ > 12 monthsJiraConfluenceUiPath.NET
C Trading Systems Developer Toronto
Freelancehybrid🇨🇦 Canada📍 Toronto⏱ 6 monthsC#.NETFIX protocol
Embedded Software Developer Calgary
Freelancehybrid🇨🇦 Canada📍 Calgary, AlbertaPowerShellNodeJSC++C#
Webcon BPS Developer
Freelanceremote🇵🇱 Poland📍 Poland⏱ 10-12 monthsWEBCON BPSSDKC#SQL
Developer DevOps
Freelancehybrid🇫🇷 France📍 Courbevoie, France⏱ 3 yearsAzureKubernetesTerraformAnsible
NET Developer (UN)
Freelancehybrid🇵🇱 Poland📍 Warsaw, , PolandC#MVC.NET FrameworkWebApi
Développeur Back-End - Risque de marché
Freelancehybrid🇫🇷 France📍 Paris, FRANCE, FranceJavaC#C++
Développeur Fullstack : .NET/React
Freelancehybrid🇫🇷 France📍 Paris, FRANCE, France.NETC#ReactTypeScript
Ingenieur Senior Azure, Specialiste Observabilite Azure Et CRM
Freelancehybrid🇫🇷 France📍 Puteaux, France⏱ 4-6 monthsAzureAppInsightDynatraceC#
Programista .NET
Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ long-termC#.NETTypeScriptAngular
AI Agent Engineer with Copilot Studio and Power Platform
Freelancehybrid🇵🇱 Poland📍 PolandCopilot StudioPower PlatformPower AppsPower Automate
Responsable applicatif - Support de Production
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extension.NETC#Finance
C# developer
Freelanceremote🇬🇪 Georgia📍 Remote jobC#SQLLINQWPF
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