Backend .Net Developer

ipracujzdalnie.pl

Poznań

Remote

PLN 150,000 - 210,000

Full time

2 days ago

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Benefits offered by this job

Remote work option

Attractive salary

Professional development

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Job summary

TeamQuest, a rapidly growing Polish HR tech firm, seeks a Backend .NET Developer to design and maintain integrations, data exchange, and API clients. You will implement BPMN-based logic, configure Docker environments, and support releases. Strong C#/.NET skills and experience with AI tools are required.

Remote work is possible, with tasks spanning multiple Polish cities and projects for financial and automotive sectors. Collaboration with client teams and independent work are essential.

Qualifications

3-4 years of experience in a similar position
Experience with AI tools in development
Proficient in C# and .NET (ASP.NET Core, .NET 8+)
Practical experience with SOAP/XML integrations and REST/OpenAI integrations
Knowledge of asynchronous architecture and message queues
Databases knowledge and domain model mapping
Docker and CI/CD
Git in gitflow model
English for reading technical documentation
Strong collaboration with client-side personnel
Ability to work independently

Responsibilities

Designing and implementing integrations with external systems (SOAP/XML and REST/JSON)
Maintaining asynchronous data exchange mechanisms (queues, callbacks, idempotency)
Generating API clients from OpenAPI contracts
Building mocks of external systems for tests
Implementing business rules in a BPMN engine (C#)
Configuring environments (Docker, CI/CD) and supporting releases
Analyzing defects from tests and production logs with team
Documenting solutions and sharing knowledge within the team

Skills

C# / .NET

AI tools in development

Docker

CI/CD

messaging queues

Git (gitflow)

English (technical)

Independent work

Tools

SOAP/XML integrations

REST/OpenAI integrations

Job description

TeamQuest is a rapidly growing Polish company engaged in the comprehensive HR consulting services, in particular in the recruitment of IT professionals.

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

Backend .Net Developer

location: Wrocław, Białystok, Kraków, Warszawa, Łódź, Katowice, Poznań, Rzeszów, Lublin, Gdańsk

Tasks

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.

We Expect You Have

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