• Start date: ASAP
• Hackerrank challenge: Yes
• Duration: 6+ months
• Remote vs Onsite: 99% remote; mandatoryattendance to planning sessions/workshops four times a year.
• US Hours overlap needed: 10:00 – 18:00 CET (10am – 6pm)

Scope:

Project Info:

The product is a large enterprise platform dedicated to the client team to calculate and process tax returns of large companies, collaborate within the client team and present the results to the clients.

Application has multiple modules, including for example imports from external systems, calculation engine, user management and access control, documentation, comments, exports and others.

Main parts of the application front-ends are built with Angular, Bootstrap and it communicates with the backend using Rest APIs and SignalR. The backend is split into monolith which are using .NET 8, Entity Framework Core, MSSQL databases and are hosted on Azure.

The application’s front-end is currently built using micro front-end architecture, which was put in place in order to be able to combine different modules built with different frameworks.
 

Requirements:

• Expert-level Python (production-grade systems)
• FastAPI and async API design
• SQL Server with advanced performance tuning
• Strong ORM experience (e.g., SQLAlchemy)
• Deep Azure architecture (App Services, Functions, Azure SQL, Blob, Key Vault, Managed Identity, networking)
• Event-driven architecture (Service Bus, Event Grid, Durable Functions)
• Production experience with LLM integration (Azure OpenAI preferred)
• Strong RAG architecture design (embeddings, chunking, vector search, re-ranking)
• Prompt engineering, structured outputs, tool calling
• Other API integration experience
• AI observability (e.g., Langfuse) and evaluation frameworks
• Secure API design (PII-aware, enterprise-grade systems)
• CI/CD and DevOps best practices
• Extensive hands-on use of GitHub Copilot / Cursor for AI-assisted development

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