Senior .NET Developer

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. In the CEE region, we’re a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as McLaren, Aviva, Deloitte, Spotify, Disney, ING, UPS, Tesco, Truecaller, AllSaints, Volotea, Schmitz Cargobull, Allegro, InPost, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing. You will be: designing and developing scalable .NET applications and APIs, modernizing legacy solutions and migrating applications to modern web technology stacks, leveraging Agentic AI, Claude Code, and GitHub Copilot to accelerate software delivery, collaborating with cross-functional teams to deliver high-quality, production-ready solutions. Your profile: 6+ years of commercial experience with .NET, C#, and ASP.NET Core, proven experience building scalable, enterprise-grade applications and APIs, extensive experience with Agentic AI and AI-driven software development practices, advanced proficiency in Claude Code, GitHub Copilot, and related AI engineering tools, strong background in application modernization and migration to modern web stacks, experience with cloud platforms, software architecture, and DevOps/CI/CD processes, practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery, English - at least B2+, work from the European Union region and a work permit are required. 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. #J-18808-Ljbffr Poland and Eastern Europe