Senior Engineer - Application and Product Systems (ASP.NET)

TL;DR

Senior Engineer - Application and Product Systems (ASP.NET) (Blazor/AI): Building and evolving rich, data-driven Blazor UIs and ASP.NET services for a production-grade nutrition logic platform with an accent on complex domain models, deterministic computations, and AI-assisted interpretation. Focus on implementing features combining nutrition rules with AI insights, extending APIs for scalable computations, and optimizing performance across UI, application logic, and database layers.

Location: United States, Remote

Company

Well-funded startup making personalized nutrition a reality by combining proprietary food data with AI and user preferences.

What you will do

• Build and evolve rich, data-driven Blazor UIs powering Code Builder workflows
• Implement features combining deterministic nutrition logic with AI-assisted insights
• Work with complex domain models for foods, ingredients, nutrients, and health signals
• Extend ASP.NET APIs and services for scalable nutrition computations
• Integrate AI outputs into user-facing and internal workflows
• Navigate, debug, and improve a large production codebase

Requirements

• 6–10+ years professional software development experience
• Strong hands-on experience with ASP.NET and modern C#
• Production experience with ASP.NET Blazor (Server or WebAssembly)
• Experience in large, long-lived codebases
• Solid understanding of application architecture and layered systems
• Experience with relational databases (ideally Postgres) and Entity Framework Core or similar ORMs
• Comfort reasoning across UI, API, and database layers

Nice to have

• Experience with complex domain models or rule-based systems
• Exposure to AI/ML-powered features or data pipelines
• Performance tuning or profiling in ASP.NET/Blazor
• Background in data-intensive or analytics-heavy products
• Enterprise authentication and authorization systems
• Microsoft Semantic Kernel, MCP Server SDK, Agent Framework

Culture & Benefits

• Collaborate closely with Principal Engineers on mission-critical product
• Competitive compensation and clear paths for growth
• Equal opportunity employer with accommodations for disabilities