We are looking for two experienced Windows/.NET Developers for a public sector customer. The assignment requires 100% allocation. Work can be started when security check clearance has been received.
Key Responsibilities:
· Strong experience in C# software development (.NET Framework 4.x, .NET Core 6.x)
· Experience in developing and maintaining Windows-based applications (WPF and/or Windows Forms)
· Experience in developing ASP.NET Web API, ASP.NET Core API and/or WCF services
· Experience with services deployed in IIS environments · Experience in implementing integrations using SOAP Web Services
· Experience in using Oracle databases in application development
· Understanding of multi-layer architecture and client/server solutions
· Experience in maintenance, further development, and modernization of existing applications
· Experience with the Visual Studio development environment
· Experience with Azure DevOps and/or TFS
Required Experience:
· NET Framework
· NET Core
· C#
· Oracle Database
· Team Foundation Server (TFS)
· Internet information Service
· Web Service · Windows, WCF
· Client/Server Applications
Considered as an Advantage:
· Knowledge of REST APIs, JSON, and XML technologies
· Experience with OAuth2 and OpenID Connect
· Experience with ASP.NET Core development
· Knowledge of Windows Services and IIS configuration
· Knowledge of container technologies (Docker, Kubernetes)
· Experience with Git and CI/CD practices (Azure DevOps)
· Oracle SQL and PL/SQL skills
· Experience with Entity Framework Core
· SignalR skills
· Experience with unit testing (e.g., MSTest, NUnit, or xUnit)
Answer these questions separately in a few sentences and attach them to your application! (Mandatory!)
- Do you have at least 5 years of hands-on professional experience developing applications in C# using .NET Framework 4.x and/or .NET 6?
- Do you have professional experience developing and maintaining Windows desktop applications using WPF and/or Windows Forms?
- Do you have hands-on experience developing or maintaining ASP.NET Core/ASP.NET Web API and/or WCF services, including deployment in IIS?
- Do you have hands-on experience working with Oracle databases in .NET applications, including SQL and/or PL/SQL?
Please apply with your updated CV in English, that clearly demonstrates your skills and experience relevant to this role. We offer continuously, which means that we sometimes remove the assignments before deadline. If you are interested, we recommend that you apply immediately.
Language requirements: Finnish - fluent (mandatory), English - fluent (mandatory)
Start date: As fast as candidate is found and available
End date: 31.12.26, possible extension
Scope/hours per week: 100% allocation
Location: Onsite, ability to work from Espoo, Jyväskylä, or Tampere
We offer you: We offer a versatile assignment where every day is different and interesting. We also offer a very competitive salary and good employee benefits.
Are you interested in becoming a part of our dynamic team? The position will be filled as soon as a suitable person is found, so please be quick and submit your application!
Please include your salary expectation in your application. For more information, contact Kimmo Kärsämä, tel. 050 412 7500, [email protected]
Explore Lokki, through our blog and website: https://www.lokki.fi/ .
Lokki Henkilöstöpalvelut Oy (Finnish for Seagull Recruitment Services) has been active in providing recruitment services since 2005 and we belong to The Private Employment Agencies Association HPL. Our vision is to provide the best customer experience with our reliable, humane and effortless service around Finland. Our most important asset is a person who, as we know, thrives in a reliable and supportive atmosphere. At Loki you will be supported by your own human resources consultant throughout your employment relationship. At Lokki, we believe in a partnership achieved as a result of flexible service. Explore us and our vacancies: https://www.lokki.fi/.
You can also find us on Facebook and Instagram.
Yhteystiedot: Kimmo Kärsämä, +358504127500, [email protected]
Työpaikan osoite: Helsinki, 00100
Ilmoitus jätetty: 23.9.2026
Hakuaika päättyy: 25.9.2026
Työmarkkinatorin ilmoitusnumero: 049040ad-7772-49e3-9f4f-16f17fa45dcc
Lähde: Työmarkkinatorin asiakastietojärjestelmä.