Senior-Principal .NET Engineer

About the role

We are looking for a self‑directed Senior‑Principal Engineer to design and build the next generation of agentic systems for a leading global hedge fund. You will work on cutting‑edge AI‑driven workflows, combining large language models, search, and domain‑specific tools to create production‑grade platforms.

Key responsibilities

• Design and implement agent workflows, orchestration and execution frameworks.
• Build retrieval and knowledge systems that handle both structured and unstructured data.
• Develop distributed, production‑grade services and APIs using Python, TypeScript and cloud infrastructure.
• Evaluate new models, frameworks and tools for production use and refine agent performance.
• Investigate and resolve complex production issues across the full stack.

Required profile

• 7+ years of software engineering experience.
• Strong Python and .NET expertise.
• Hands‑on experience with TypeScript/JavaScript, Docker, containers and cloud platforms.
• Solid computer‑science fundamentals, including data structures and algorithms.
• Comfort with concurrent programming, APIs, messaging and failure handling.

Required skills

• Python
• .NET (C#/VB.NET)
• TypeScript
• JavaScript
• Docker & container orchestration (Kubernetes)
• Cloud infrastructure (AWS, Azure, GCP)
• Distributed systems design
• Retrieval‑augmented generation techniques (RAG, embeddings, vector databases)

What we offer

• Global relocation options and cross‑cultural experience.
• Regular appraisals, feedback culture and career development programs.
• Generous paid leave, parental benefits and flexible holiday policy.
• Access to Luxoft Training Center, external learning platforms and cloud academies.
• Private healthcare, dental support, life insurance and travel insurance.
• Well‑being programs including Multisport cards, yoga sessions and social events.