About the Position

We are seeking a Senior .NET Developer for a remote position in Bulgaria, focusing on migrating and modernizing a business-critical enterprise platform.

About the Company

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions. We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.

Responsibilities

Building a reusable application platform with shared components and common development patterns.
Migrating existing business functionality while maintaining functional parity.
Understanding and documenting complex business rules, data, and dependencies.
Integrating the new solution with enterprise systems and supporting data migration.
Delivering incremental releases supported by automated testing, user acceptance testing, and post-release stabilization.

Requirements

Practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.
Work from the European Union region and a work permit are required.

Tech Stack

Backend: C#,.NET
Frontend: React, TypeScript
Database: PostgreSQL
Cloud Infrastructure: AWS, Terraform
Testing: xUnit, Vitest, Playwright
CI/CD: Azure DevOps
Containerization: Docker
AI Tools: GenAI exposure (e.g. Claude Code, GitHub Copilot)

Nice to Have

Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.

We Offer

Opportunity to combine modern application development with the challenges of enterprise migration.
Work in an international delivery environment using Scrum, two-week sprints, and regular refinement, planning, and review sessions.
Close collaboration between engineers, business stakeholders, and domain experts.

Apply for this Job

Interested candidates should apply with their Resume/CV and Cover Letter. Accepted file types: pdf, doc, docx, txt, rtf.

Senior.NET Developer

Job description