Backend .NET Developer (Remote)

TeamQuest sp. z o.o.

18000-23000 PLN miesięcznie (B2B)

Minimum 3-4 years of experience in a similar position
Experience working with AI tools in development
Very good knowledge of C# and .NET (ASP.NET Core, .NET 8 or newer)
Practical experience with SOAP / XML integrations, REST/OpenAI integrations
Asynchronous architecture - message queues (RabbitMQ or equivalent), request-callback pattern, idempotency, persistence of exchange state
Good knowledge of databases
Mapping of domain models
Docker and CI/CD
Git in gitflow model
English language proficiency for reading technical documentation
Communicative, open to collaboration with client-side personnel
Ability to work independently

Experience in the financial/banking industry or in projects for these industries

Designing and implementing integrations with external systems (SOAP/XML and REST/JSON services), including data model mapping and partner error handling.
Maintaining and developing an asynchronous data exchange mechanism (message queues, callbacks, statuses, request idempotency).
Generating and updating API clients based on OpenAPI contracts provided by the client; responding to contract version changes.
Building and maintaining mocks of external systems for test environments.
Implementing business process logic in a BPMN engine (handlers in C#, process variables, signals) and decision rule models.
Configuring environments (installation parameters, Docker, CI/CD pipeline), participating in preparing releases and hotfixes.
Analyzing defects from business tests and production based on logs, quick fixes, collaborating with client analysts and testers.
Documenting solutions and transferring knowledge within the team.

Zdalnie

Our client develops IT solutions, mainly for prestigious clients in the financial and automotive sectors.

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