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Backend .Net Developer

TeamQuest Show all offers

Bialystok

Gdansk

Katowice

Krakow

+13

Expires Nov 29, 2026

4 days ago

In short

Backend .

NET Developer role for a client in the financial/automotive sectors. Responsibilities include integrations, asynchronous mechanisms, API clients, testing, and CI/CD. Requires 3-4 years of .

NET experience, C#, SOAP/REST, message queues, databases, Docker, and Git. Remote work option available.

Keywords

C# .NET ASP.NET Core SOAP REST RabbitMQ Docker CI/CD Git SQL

AI-written summary based on the listing content.

What you will do

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

Backend .

Net Developer

We offer:

Attractive salary
Possibility of fully remote work
Real opportunity for professional development
Possibility to genuinely influence the shape of projects

Responsibilities:

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.

Requirements:

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

Additional advantages: