Senior Full-Stack Engineer (.NET + React)
Senior Full-Stack Engineer (.NET + React)
Remote
Join the team behind Aiventic.ai — the AI Copilot for Field Service Professionals.
AppStream Studio — the innovation consultancy behind Aiventic.ai — is looking for a Senior Full-Stack Engineer who doesn't just code, but leads, innovates, takes ownership, and brings fresh thinking to the table. You'll help build and scale Aiventic, an AI-powered platform that empowers technicians to diagnose issues, identify parts, and finish repairs faster.
🚀 What You'll Do
- Lead the design and development of modern full-stack applications using .NET 8, C#, and React
- Integrate cutting-edge AI features using Semantic Kernel and GenAI APIs
- Model, optimise, and manage data in SQL
- Build and maintain cloud-native solutions in Azure (Functions, Service Bus, App Services, Blob Storage)
- Mentor a tight-knit team (1–2 developers) and take ownership of code reviews and technical growth
- Shape the product's technical direction — you're not just a coder, you're a driver
- Collaborate across product, AI, and dev teams to define, ship, and refine high-impact features
- Contribute to architecture, performance tuning, and DevOps automation
🧠 What We're Looking For
- 5+ years of professional experience in .NET / C#
- 3+ years of experience in React / TypeScript
- Strong command of Azure cloud services and CI/CD pipelines
- Solid experience with SQL and Entity Framework Core
- A full-stack mindset — comfortable across backend and frontend
- A self-starter who brings ideas, drives initiatives, and owns outcomes
- Excellent communication and collaboration skills
Bonus points: Experience with AI/LLM integrations (OpenAI, Semantic Kernel, etc.)
⚙️ Tech Stack
- .NET 8 / C# / MediatR / EF Core
- React / TypeScript / Tailwind / Vite
- Azure (Azure SQL, Functions, Service Bus, Blob Storage, App Insights)
- Semantic Kernel / OpenAI GPT API
- GitHub Actions / Docker / CI-CD
🌍 Why Join Us
- Build a real-world AI product used by field service professionals across North America
- Work with a small, senior, fast-moving team — no micromanagement, no corporate drag
- Ship features that genuinely make technicians' lives easier
- 100% remote
- Huge opportunity to grow into a lead role as the team scales
- Bring your creativity, voice, and initiative — own the tech, the team, the product
💬 About AppStream Studio
AppStream Studio is a Microsoft-certified innovation consultancy and product studio.
We help enterprises and PE-backed companies design, build, and scale next-generation software — blending deep .NET expertise with modern AI and product strategy.
📨 Interested?
Send us your GitHub or portfolio link and a short note about something you've built that you're proud of.
