Fullstack Developer .NET + React

We are looking for an experienced Fullstack Developer (.NET + React). We value direct communication and an open approach to problem-solving.

Currently, we are working on an application for our international client in the FinTech industry, dedicated to banks and financial institutions.

The project is initially planned for 3 months, with a possibility of extension. We are looking for candidates who are available to join the project immediately.

In Short

• 100% REMOTELY or from one of our 2 offices 💰 Senior: 130 - 160 pln/h ☑️ B2B contract  

Your Daily Missions

• Designing web solution architecture based on best practices, using microservices and the cloud services. 
• Developing within a SaaS product platform. 
• Implementing new functionalities using .NET and React. 
• Designing, developing, and maintaining APIs, services, and systems on a cloud-based platform. 
• Building high-performance front-end and back-end solutions. 
• Preparing tests and technical documentation. 
• Being part of a SCRUM team that develops and delivers software solutions throughout the entire production lifecycle. 

Wymagania

The Essentials We’re Seeking

• Over 4 years of commercial programming experience with .NET, C#, React and TypeScript (but will be ok more experience in back-end). 
• Strong understanding of software architecture principles and backend design patterns (e.g., dependency injection, repository, mediator, factory). 
• Exposure to cloud environments (Azure or AWS) and understanding of infrastructure and services.. 
• Fluency in English and Polish (minimum B2+) - a must. 
• Hands-on experience with CQRS and Domain-Driven Design (DDD), including aggregates, entities, value objects, and bounded contexts. 
• Understanding of Event Sourcing concepts - including event stores, event replay, and how to model state changes as immutable domain events. 
• Solid knowledge of clean architecture and separation of concerns. 
• Experience with PostgreSQL and modern ORM frameworks (e.g. Entity Framework or equivalent). 
• Exposure to CosmosDB or similar NoSQL/document databases. 
• Experience designing and consuming RESTful APIs. 
• Familiarity with Docker for local development and deployments. 

Tech stack

• .NET
• React
• Microservices
• Cloud
• SaaS
• Backend
• Scrum
• C#
• TypeScript
• Design Patterns
• Azure
• AWS
• CQRS
• Domain-driven design
• DDD
• Event Sourcing
• Clean Architecture
• PostgreSQL
• ORM
• Entity Framework
• Cosmos DB
• NoSQL
• REST API
• Docker