Senior Full-Stack Engineer (.NET / React / AI / Azure) - Remote B2B contract

Sonovo IT are looking for a Senior Full-Stack Engineer to join an existing international project focused on Transfer Pricing reporting and analytical solutions for a US client.

The platform combines modern microservices architecture, AI-driven workflows, and cloud-native infrastructure to deliver scalable reporting and analytics capabilities.

You will work across the full stack, contributing to backend services, frontend applications, and AI-powered workflow orchestration.

Location: Remote from Poland

Start: April 2026

Language: Polish and Fluent English required

Project: US-based project – Transfer Pricing reporting & analytics platform

Key Responsibilities

• Design and develop REST APIs using .NET in a microservices architecture

• Build and maintain React-based frontend applications for analytical and reporting platforms

• Integrate LLM-based agents and AI workflows into the application ecosystem

• Develop scalable backend services supporting financial reporting and data analytics

• Contribute to cloud-native deployments on Microsoft Azure

• Build and maintain CI/CD pipelines and automated delivery processes

• Collaborate with product, data, and engineering teams in an international environment

• Ensure high performance, security, and scalability of the platform

Requirements

• Senior-level experience in full-stack development

• Strong experience with .NET / .NET Core and REST API development

• Solid experience building modern React applications

• Experience working with Azure cloud environments

• Experience with CI/CD pipelines and automated deployments

• Exposure to AI / LLM-based systems or workflow orchestration is highly desirable

• Ability to work in international teams with strong English communication

This is a long term Remote project from Poland. If interested and available, please sent your CV for an immiediate consideration