Backend Engineer

We are looking for 2–3 Senior C#/.NET Developers (2–3 FTE) to join a project for a client from Finland, focused on the development of Loyalty APIs.

📍 Work model: 100% Remote

🌍 Eligible location: Poland (candidates must be based in Poland)

🗣️ Language: English C1

📅 Start date: ASAP

👥 Team size: 2–3 FTE

🔹 Responsibilities:

Develop and maintain backend APIs using C# and .NET

Build and maintain serverless solutions using Azure Functions

Work with Azure Cosmos DB as the primary NoSQL database

Develop and integrate cloud-based services

Contribute to event-driven architecture and messaging solutions

Collaborate with the team on API development and system integrations

🔹 Requirements:

Strong experience with C#

Solid experience with .NET Core / .NET 6/8

Hands-on experience with Azure Functions

Strong knowledge of Azure Cosmos DB

Good understanding of backend development and API architecture

English C1

🔹 Tech Stack:

C#, .NET 6/8, Azure Functions, Azure API Management, Azure Cosmos DB, Azure Storage, Azure Event Hub, Azure Service Bus, Azure Key Vault, Azure Active Directory, Azure Data Factory.

Additional technologies in the project ecosystem: Node.js, Express.js, TypeScript, React.js, Next.js, Redux, JWT, OIDC, Contentful.