Senior .NET Engineer: Enterprise Platform Modernization

Xebia Group; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Xebia is a global AI-first digital transformation and engineering partner specializing in AI, data, cloud, and digital products. With over 25 years of experience, the company has 5,000 professionals across 16 countries and a people-first culture focused on engineering excellence.

We are seeking engineers to migrate and modernize a business-critical platform for an international rail transportation and asset-leasing client.

Qualifications

• Experience with migrating and modernizing enterprise platforms.
• Backend development with C# and .NET.
• Frontend development with React and TypeScript.
• PostgreSQL storage experience.
• Cloud infrastructure on AWS with Terraform.
• EU region work permit or eligibility.

Responsibilities

• Migrate and modernize a business-critical enterprise platform for an international rail transportation and asset-leasing company.
• Establish the technical foundation and migrate business modules while preserving functionality and introducing improvements.
• Develop backend with C#/.NET and frontend with React/TypeScript; manage PostgreSQL storage.
• Operate cloud infrastructure on AWS using Terraform and implement testing with xUnit, Vitest, and Playwright.

Skills

AI coding assistants

Tools

Claude Code

GitHub Copilot

Cursor

Job description

Xebia is a global AI-first digital transformation and engineering partner specializing in AI, data, cloud, and digital products. With over 25 years of experience, the company has 5,000 professionals across 16 countries and a people-first culture focused on engineering excellence.

We are seeking engineers to migrate and modernize a business-critical platform for an international rail transportation and asset-leasing client.