Peter C M.

⭐ 100% Job Success Score | 100% 5.0 star review history 🕒 20+ years understanding businesses and building solutions 📉 I will reduce your costs and workload with AI 🔄 Returning to Upwork after 3 years on multi-year direct contracts I build systems that put modern AI to work inside your business, taking real work off your team and bringing analysis and problem-solving that used to need a specialist. Today's models can reason, orchestrate and write code well enough to run operations, but only if someone wires them in properly. That is the gap I close: production-grade engineering, audit trails and humans in the loop where it matters. You get senior engineering, real business sense, and a clear-eyed view of where AI genuinely helps and where it is just expensive theatre. 🏆 REAL-WORLD SUCCESS STORIES 🔹 Agentic real estate back-office for a Spanish residential wholesaler: 9 Claude Cowork Projects orchestrating WhatsApp Business, Slack, Gmail, Google Drive, Airtable, Stripe, Dropbox Sign and Xero through a custom FastMCP server (20 domain tools, deployed on Railway). Geospatial automated valuation replaces a 45-minute manual analysis in under 5 seconds. 🔹 Public-sector tender scoring pipeline for UK procurement teams: reads a full submission and returns scores with written rationale across legal, financial, technical, Social Value, Net Zero and cyber security criteria. Tuned against expert-scored real tenders until output surpassed human reviewers. Powered by ChatGPT under the hood. 🔹 £30B mortgage data pipeline at eligible.ai, a UK fintech: ingests and reconciles lender submissions that previously needed manual chasing every month, with a Blazor / Razor Pages portal letting ops staff configure templates without a developer. Built in .NET Core, EPPlus, AWS, PostgreSQL. 🔹 Zoho-to-WordPress sync platform on .NET 8 and PHP 8: makes the CRM the single source of truth for two public-facing WordPress websites, automatically pushing changes to both sites and eliminating manual re-keying. Three-stage Fetch / Decide / Apply pipeline with dry-run audits, safe re-runs, and Azure Key Vault for secrets. 🛠️ TECH STACK ▸AI & Agents Claude Cowork, Claude Code, Anthropic SDK, MCP and FastMCP server design, Model Context Protocol custom connectors, OpenAI and ChatGPT integration, prompt architecture, LLM-in-the-loop human approval flows, rule-based and LLM-based NLP, geospatial valuation models, deterministic Python shims around agentic flows. ▸Backend & APIs .NET 8, ASP.NET Core, C#, Python, REST and GraphQL, microservices, Azure (App Service, AD, Key Vault, Application Insights), Docker, Railway, Kubernetes. Auth via Auth0, OAuth 2.1, JWT, SAML SSO. ▸Data & Integrations Microsoft SQL Server, PostgreSQL, MySQL, Entity Framework, stored procedures, idempotent ETL pipelines, scheduled jobs, webhooks. Production integrations with Stripe, Redsys, Xero, HubSpot, Dropbox Sign, Twilio, WhatsApp Business Cloud, Slack, Airtable, Google Workspace, Idealista, Catastro, BOE Subastas, FCA Mutuals, Find A Tender, UK Insolvency Service. ▸Frontend & Delivery React, TypeScript, JavaScript, Blazor, Razor Pages, HTML, CSS. Testing with xUnit, NUnit, Moq. Git on GitHub, GitLab, Azure DevOps. 🎯 Work with me when the brief is genuinely hard: agentic systems, novel LLM integrations, data pipelines that cannot lose a row, or a back-office that must run without babysitting. I understand what AI is hype and what will actually work in your business. I scope honestly, ship to spec, and explain trade-offs in plain English.