Senior Fullstack Developer (React + .NET)

New

CSHARKFinTech

Locations: Wrocław, wyspa Słodowa 7, Gdańsk, -, Kraków, -, Poznań, -, Warszawa, -, Wrocław, Country code: PLContractSenior

SalarySenior: 120 - 160 pln/h; B2B contract

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Job Details

Have over 4 years of commercial programming experience with .NET, C#, React, and TypeScript; additional backend experience is acceptable.
Understand software architecture principles and backend design patterns, such as dependency injection, repository, mediator, and factory.
Have exposure to cloud environments such as Azure or AWS, and understand infrastructure and services.
Be fluent in English and Polish, minimum B2+.
Have hands-on experience with CQRS and Domain-Driven Design, including aggregates, entities, value objects, and bounded contexts.
Understand Event Sourcing concepts, including event stores, event replay, and modeling state changes as immutable domain events.
Have solid knowledge of clean architecture and separation of concerns.
Have experience with PostgreSQL and modern ORM frameworks such as Entity Framework or equivalent.
Have exposure to CosmosDB or similar NoSQL/document databases.
Have experience designing and consuming RESTful APIs.
Be familiar with Docker for local development and deployments.

Design web solution architecture using best practices, microservices, and cloud services.
Develop within a SaaS product platform.
Implement new functionality using .NET and React.
Design, develop, and maintain APIs, services, and systems on a cloud-based platform.
Build high-performance front-end and back-end solutions.
Prepare tests and technical documentation.
Contribute to a Scrum team delivering software throughout the production lifecycle.

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