Architecture & Design Patterns
Three-tier architecture, Repository patterns, Dependency injection, SOLID principles, Clean architecture, Modular monolith, Microservices designs, Repository, Unit of Work, Factory, Singleton, API Gateway patterns.
Messaging Queues
RabbitMQ, Asynchronous communication, Event-driven microservices.
Unit Testing
NUnit, xUnit, TDD, Unit & integration testing.
Cloud Platforms
Microsoft Azure (App Services, Azure Functions, Azure Storage, Azure SQL), AWS exposure, DynamoDB (NoSQL design).
Generative AI & Agentic Systems
Multi-agent orchestration, Agentic AI systems, LangGraph, LangChain, Autonomous agents, Supervisor/worker topologies, State-machine graphs, Conditional routing, Hand-off between specialised agents, Tool and function calling, ReAct pattern, Structured planning and decomposition, Conversation memory, Session and state management, Guardrails, Retries and execution controls, Prompt and context engineering, Zero-shot prompting, Few-shot prompting, Chain-of-thought prompting, Role-based prompting, System instructions, Retrieved knowledge, Tool definitions, Memory, Task metadata, Token-efficient context windows, OpenAI (GPT-4/4o), Anthropic Claude, Open-model endpoints, Model Context Protocol (MCP), Agent2Agent (A2A), Google ADK, CrewAI, OpenAI Agents SDK.
Retrieval-Augmented Generation (RAG) & Knowledge Retrieval
End-to-end RAG pipelines, Document ingestion, Preprocessing, Chunking strategy design and tuning, Embedding generation, Retrieval quality measurement, Vector databases, PostgreSQL/pgvector, FAISS, Semantic search, Hybrid semantic + keyword retrieval, Re-ranking, Grounding responses, Citation and traceability.
AI Evaluation, Observability & Reliability
Structured evaluation harnesses, Agent and LLM output scoring, Golden-set scenarios, Rubric and LLM-as-judge scoring, Regression detection, Failure-mode analysis, Agent trace logs, Wrong tool selection, Retrieval misses, Context overflow, Loop conditions, Silent degradation, Production monitoring of AI services, Latency, Token cost, Error and fallback rates, OpenTelemetry, AI observability tooling, Langfuse, Responsible-AI practice, Guardrails, Input/output validation, PII and data-privacy handling, Audit-friendly logging, Knowledge graphs, Graph RAG, Multi-hop reasoning.
Machine Learning, Deep Learning, NLP & Computer Vision
Machine Learning (supervised & unsupervised), Classification, Regression, Clustering, Feature engineering, Cross-validation, Model evaluation, Scikit-learn, Pandas, NumPy, Deep Learning, Neural networks (CNN, RNN, LSTM, Transformers), PyTorch, TensorFlow, Keras, Natural Language Processing (NLP), Text classification, Entity extraction, Document understanding, Hugging Face transformers, Computer Vision, YOLOv9, OpenCV, OCR, Dataset processing (COCO, Pascal VOC), MLOps fundamentals.
Full Stack MVC Development
ASP.NET MVC, ASP.NET Core MVC, C#, Scalable web applications, Maintainable web applications, Testable web applications, Model-View-Controller architecture, Modular development, Separating business logic, data access and presentation layers.
Python for AI Services
FastAPI microservices, Async processing, API design, Background workers, Relational and vector stores integration, RESTful APIs, React, Angular, jQuery.
Containerization & CI/CD
Docker (Dockerfiles, containerized Python and .NET applications), Kubernetes-ready deployment, CI/CD via Azure DevOps, Jenkins, Git.
Frontend & SPA Development
Enterprise-grade Single Page Applications (SPAs), Angular (2+), React.js, Next.js, Component-based architecture, Routing, State management, Reusable UI components, API integration.
AI-facing Interfaces
Chat and streaming response UIs, Agent trace and run inspection views, Dynamic dashboards, Admin panels, Real-time monitoring systems, Workflow-driven applications.
Frontend Technologies
HTML5, CSS3, Bootstrap, TypeScript, JavaScript (ES6+), AJAX, Reactive forms, Validation, Lazy loading, Performance optimisation, Responsive design, Secure frontend practices (CSP, XSS prevention, Anti-forgery tokens).
Backend, Database & System Engineering
C#, ASP.NET Core (6/7/8) Web API and MVC, Entity Framework Core, LINQ for ORM-based data access, Node.js for integration and messaging services.
Databases
PostgreSQL, SQL Server, MySQL, Oracle, Stored procedures, Functions, Views, Triggers, Indexing and performance tuning, Transaction management, Parameterized queries for performance and security.
Custom Middlewares & System Functions
Authentication, Authorization, Centralized exception handling, Background services, Scheduled jobs, Asynchronous processing, Automated workflows, System configuration, Health checks, Cross-cutting concerns.