Senior Fullstack Developer (React+.NET)

Location: Remote within Poland, with Wrocław and Bielsko-Biała specified

Salary: 120–160 PLN/hour + VAT on a B2B contract

Company

hirify.global is working on a SaaS application for an international FinTech client serving banks and financial institutions.

What you will do

• Design web solution architecture using microservices, cloud services, and software architecture best practices.
• Develop new SaaS platform functionalities with .NET and React.
• Design, develop, and maintain APIs, services, and cloud-based systems.
• Build high-performance front-end and back-end solutions.
• Prepare automated tests and technical documentation.
• Collaborate in a Scrum team throughout the full software production lifecycle.

Requirements

• Over 4 years of commercial programming experience with .NET, C#, React, and TypeScript.
• Strong understanding of software architecture, backend design patterns, clean architecture, and separation of concerns.
• Experience with Azure or AWS, Docker, PostgreSQL, ORM frameworks, RESTful APIs, and NoSQL or document databases such as CosmosDB.
• Hands-on knowledge of CQRS, Domain-Driven Design, aggregates, entities, value objects, and bounded contexts.
• Understanding of Event Sourcing, including event stores, event replay, and immutable domain events.
• Fluent English and Polish at a minimum B2+ level are required.

Culture & Benefits

• Remote work arrangement.
• Direct communication and an open approach to problem-solving.
• Participation in a Scrum team delivering software throughout the production lifecycle.