Senior Full Stack Engineer – .NET & React

About the role

We are looking for a Senior Full Stack Engineer with deep expertise in .NET Core and React to design and deliver high‑performance digital products for international clients. The role blends hands‑on development with technical advisory duties, especially around AI‑powered features and large language models.

Key responsibilities

• Design, develop, and maintain scalable applications using .NET Core and React.
• Build secure, maintainable, and high‑performing systems following modern software engineering principles.
• Architect API‑first and microservice‑based solutions.
• Provide technical guidance and contribute to architecture decisions.
• Develop AI‑driven features, including Retrieval‑Augmented Generation (RAG) and autonomous agents.
• Work with Claude Code, Model Context Protocol (MCP), and prompt‑engineering techniques.
• Set up and maintain automated AI deployment pipelines on platforms such as RunPod.
• Collaborate with cross‑functional teams and champion secure coding, testing, and SDLC best practices.

Required profile

• Strong commercial experience with C#/.NET Core and React.
• Proven track record designing scalable, API‑led or microservice architectures.
• Solid understanding of clean code, secure coding practices, and the full software development lifecycle.
• Hands‑on experience with CI/CD pipelines and cloud‑native development.
• Experience building AI‑powered applications using large language models.
• Excellent communication skills and ability to advise on technical solutions.

Required skills

• C#
• .NET Core
• React
• API‑first / microservices
• CI/CD pipelines
• Azure
• AWS
• GCP
• Large Language Models (LLMs)
• Retrieval‑Augmented Generation (RAG)
• Claude Code
• Model Context Protocol (MCP)
• Prompt engineering
• RunPod deployment

What we offer

• 100% remote work environment.
• Attractive compensation package.
• Long‑term B2B contract.
• Opportunities for professional growth and continuous learning.
• Collaboration with top engineering talent across Europe and North America.