Charlie Martin

• Designed and implemented a Python and Playwright automated testing framework from the ground up.
• Developed API, UI, and full-regression test suites, using Postman for initial endpoint verification.
• Mentored manual QA colleagues in automation principles and practices, expanding the team's testing capability.
• Worked with developers to integrate testing into the delivery lifecycle and improve bug detection.

• Supported enterprise clients, led daily meetings, and diagnosed complex API integration issues.
• Used Postman to reproduce and troubleshoot client-reported problems across customer success and engineering.
• Built a Python script that automated daily support-ticket summaries and improved issue visibility.
• Completed developer training in C#, software architecture, and object-oriented programming.

Built a locally hosted knowledge-base system and evaluation framework for retrieval-augmented generation and summarisation, using Django, ChromaDB, LlamaIndex, Ollama, and Docker.

A React Native application for gas engineers with conversational fault diagnosis through FastAPI and Google Cloud Conversational Agents.

Trained a Deep Q-Learning agent with PyTorch and an epsilon-greedy policy, iterating on the network architecture to improve learning and landing success.