Portfolio - JamesTech

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NordMod - DSA Content Moderation API

Multi-tenant content moderation API implementing EU Digital Services Act compliance. Clean Architecture with 8 domain entities, 7 application services, and modern C# patterns.

.NET 8 ASP.NET Core EF Core Clean Architecture PostgreSQL

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TradingAnalytics

AI-powered financial trading API combining technical analysis (RSI, MACD, Bollinger Bands) with Claude LLM integration for context-aware market analysis and real-time WebSocket streaming.

.NET 8 Claude API AI Integration SignalR

Live Demo

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COBOL to C++20 ATM System

Legacy mainframe migration demonstrating IBM Enterprise COBOL 6.5 to modern C++20 translation. Type-safe patterns, Result<T,E> error handling, and thread-safe repository pattern.

COBOL C++20 Legacy Migration

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Jobtrawl.se

Job aggregation platform built as Tech Lead & Founder. Full-stack solution with multi-source scraping, Azure deployment, and Angular frontend.

.NET Core Angular Azure SQL Server

Case Study

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Flight Ancillary Recommender

Context-aware travel recommendation engine using Claude LLM to analyze traveler profiles and generate personalized ancillary suggestions. Context engineering for 80+ airports and 12 ancillary types.

Python FastAPI Claude API Context Engineering

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Live Polling System

Backend for live polling system built for Alva Labs coding test. Clean Architecture with CQRS-lite pattern, Result<T> railway-oriented programming.

.NET 8 CQRS EF Core SQLite

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Technologies

C# .NET Core LLM APIs NLP Pipelines ASP.NET MVC Entity Framework Java Spring Boot Kafka Python FastAPI SQL Server PostgreSQL Azure Docker Git CI/CD