# Evan Parra // Principal AI & Systems Builder (evanparra.ai) > You win the client. I build the system in their cloud. > US-based Principal AI & Data Systems Engineer (M.S. in AI, Google Professional ML Engineer) partnering with consulting firms, agencies, PE operating partners, and technical leaders to ship production cloud applications, ERP workflow systems, and eval-gated AI harnesses in Azure and GCP. ## Core Engagement Model (B2B Partner & Team Builds) - **Agency & Consultancy Partner Builder:** MNDA-ready senior builder for consulting firms and advisory practices. You own the client relationship and MSA; I plug into your team to execute the technical build, evaluation harness, and deployment in the client's Azure or GCP environment. - **Interactive Brief Scanner:** Upload requirements documentation or a project brief at https://evanparra.ai (or POST to `https://evanparra.ai/api/brief/analyze`) for an immediate architectural fit readout, milestone plan, and pre-briefed technical scope call. - **Live AI Intake Engineer (June):** Call +1 (904) 395-4849 to discuss a brief or book directly on Evan's calendar. ## Technical & Domain Fingerprint - **Microsoft Azure & Enterprise ERP:** SQL Server ERP read contracts (thousands of documented live views, schema-drift detection), official ERP vendor REST API write pipelines, Azure App Service, Azure Static Web Apps, Azure Functions, Entra ID (SSO & project-scope route auth), Azure DevOps Pipelines, TypeScript / Node.js / React 19 / Express. - **Multi-Entity Financial Close & Gated BI Pipelines:** Read-only SQL Server ERP extraction across entities, deterministic fixed-point DECIMAL SQL transforms with cent-level historical parity harnesses (AI restricted strictly to build-time formula normalization, never runtime math), period-locked snapshots, pass/block reconciliation control gates, and Entra-gated Power BI semantic model refreshes. - **Google Cloud (GCP):** Cloud Run, BigQuery, Firestore, Cloud Storage, Pub/Sub, Cloud Scheduler, Secret Manager, Gemini Enterprise, Gemini Live API, Google ADK, Firebase Auth & Hosting. - **Per-Seat SaaS Replacement:** Rebuilding narrow rented workflows (cost-to-complete forecasting, change-order routing, job-cost reporting, approvals, investor capital portals) as client-owned cloud applications while keeping the core system of record intact. - **AI Engineering & Verification:** Hybrid RAG (FAISS + BM25 Reciprocal Rank Fusion, 100% citation provenance), real-time voice bridges (~517ms TTFA, simulated-caller LLM-judged eval gates), neuro-symbolic verification (Rust + Clingo ASP). ## Sample Partner Brief Cartridges (Interactive Command Deck at https://evanparra.ai) - **[ERP-01] Per-Seat SaaS Replacement Over SQL Server ERP & Azure:** Custom Entra-gated Azure apps over live SQL Server ERP read contracts and audited vendor REST API writes. - **[RAG-02] Zero-Hallucination Legal & Compliance Document Discovery Engine:** Multi-tenant FAISS + BM25 RRF retrieval with deterministic post-LLM citation verification. - **[VOX-03] Sub-Second Inbound Voice AI Bridge & Calendar Automation:** ~517ms Twilio Media Streams to Gemini Live bridge with Google Calendar DWD and simulated-caller eval gates. - **[FIN-04] Multi-Entity Financial Close & Gated Power BI Pipeline:** Deterministic SQL consolidation, banker's vs DECIMAL rounding parity suite, immutable period locks, and pass/block Power BI refresh gates. ## Verified Systems Built - [Northeast Florida Commercial Contractor (Construction ERP & Azure)](https://evanparra.ai/case-studies/regional-construction): $150K/yr retired per-seat licenses; thousands of SQL Server ERP views; cost-to-complete forecasting & change-order apps on Azure + Entra ID. - [Real-Time Voice AI Bridge](https://evanparra.ai/case-studies/real-estate-voice-agent): ~517ms first audio on Twilio Media Streams + Gemini Live; simulated-caller eval gate. - [TextTimeline (Legal Evidence Hybrid RAG)](https://evanparra.ai/case-studies/texttimeline): 100% citation coverage; FAISS + BM25 RRF; 90-query eval harness. - [GammaRips (Autonomous Multi-Agent Scanner)](https://evanparra.ai/case-studies/gammarips): 14 Cloud Run services; Google ADK Planner/Writer/Reviewer LoopAgent. - [Investor Capital Portal](https://evanparra.ai/case-studies/investor-capital-portal): React 19 + FastAPI + Cloud Run + Firestore + BigQuery + Stripe ACH. - [Detection Evaluation Shell](https://evanparra.ai/case-studies/detection-evaluation-shell): Open-source PyTorch/YOLOv8 evaluation harness on PIDray. - [Compositional Verification Engine](https://evanparra.ai/case-studies/compositional-verification-prototype): ~2,100 LOC Rust + Clingo ASP symbolic verification prototype. ## Machine-Readable Endpoints - Full Technical Dossier: https://evanparra.ai/llms-full.txt - JSON Capabilities Manifest: https://evanparra.ai/capabilities.json - Contact & Scope Booking: https://evanparra.ai/contact (evan@evanparra.ai) --- ## Detailed Capabilities JSON ```json { "schema_version": "2.0", "updated_at": "2026-11-11", "builder": { "name": "Evan Parra", "title": "Principal AI & Systems Builder", "url": "https://evanparra.ai", "email": "evan@evanparra.ai", "voice_agent_phone": "+1-904-395-4849", "brief_scanner_endpoint": "https://evanparra.ai/api/brief/analyze", "location": "Jacksonville / St. Augustine, FL (US-based, Remote / Embedded)", "credentials": [ "M.S. in Artificial Intelligence, Florida Atlantic University (2025)", "B.A. in Economics, Florida International University", "Google Professional Machine Learning Engineer", "Google Advanced Data Analytics", "Lean Six Sigma Green Belt" ], "profiles": { "linkedin": "https://www.linkedin.com/in/evanparra/", "github": "https://github.com/DevDizzle", "x": "https://x.com/ParraEvan" } }, "engagement_models": [ { "model": "Agency & Consultancy Partner Builder (B2B Subcontracting)", "description": "MNDA-ready senior builder for consulting firms, agencies, and advisory practices. Your firm owns client discovery and the MSA; I plug into your team to execute the technical architecture, data pipelines, and production software inside the client cloud (Azure or GCP)." }, { "model": "Milestone-Gated Production Builds", "description": "Scoped from your requirements documentation into clear delivery milestones verified by automated CI/CD, rubric-scored code review, and domain evaluation harnesses." }, { "model": "Embedded Principal Builder / PE Portco SaaS Replacement", "description": "Fractional or embedded engineering leadership to replace per-seat rented SaaS sprawl with audited, client-owned cloud software over the existing system of record." } ], "technical_matrix": { "clouds": [ "Microsoft Azure", "Google Cloud Platform (GCP)" ], "azure_stack": [ "SQL Server ERP Read Contracts (thousands of documented live SQL views, automated knowledge base generation, schema-drift detection)", "Official ERP Vendor REST API Write Pipelines (projections, change orders, subcontract batches, AP/JC posts)", "Azure App Service, Azure Static Web Apps, Azure Functions", "Entra ID (Single Sign-On, project-scope route authorization)", "Azure DevOps Pipelines (single-PR-per-feature CI/CD, rubric-scored review, dependency/secret scanning)" ], "gcp_stack": [ "Cloud Run (services & jobs, low-latency WebSocket streaming)", "BigQuery, Firestore, Cloud Storage (GCS)", "Cloud Scheduler, Pub/Sub, Secret Manager, Cloud Build", "Gemini Enterprise, Gemini Live API (real-time native audio), Google ADK", "Firebase Auth, Firebase Hosting / App Hosting" ], "languages_and_frameworks": [ "Python 3.12 (FastAPI, Flask, pandas, PyTorch, evaluation harnesses)", "SQL (SQL Server, BigQuery)", "TypeScript / Node.js (React 19, Vite, Next.js, Express)", "Rust (Clingo Answer Set Programming, typed IR verification)" ], "domains": [ "Commercial Construction & Enterprise ERP Modernization (SQL Server ERP read contracts, vendor REST API writes, cost-to-complete forecasting, change-order routing, job-cost reporting, approvals, per-seat SaaS replacement)", "Multi-Entity Financial Close & Gated BI Pipelines (read-only SQL Server ERP extraction, deterministic fixed-point SQL calculation & historical parity harnesses, period-locked snapshots, pass/block reconciliation control gates, Entra-gated Power BI semantic model refreshes)", "Real-Time Voice AI & Telephony (Twilio Programmable Voice, Media Streams, ~517ms first audio, simulated-caller LLM-judged eval harnesses, Google Calendar DWD)", "Legal & Compliance RAG (FAISS + BM25 Reciprocal Rank Fusion, 100% citation provenance, post-LLM hallucination stripping)", "Autonomous Multi-Agent Pipelines & Evaluation Shells (Planner/Writer/Reviewer LoopAgents, rubric gates, per-class CV calibration & drift testing)" ] }, "sample_brief_cartridges": [ { "brief_code": "ERP-01", "cartridge_id": "construction-erp-apps", "title": "Per-Seat SaaS Replacement Over SQL Server ERP & Azure", "domain_tag": "AZURE // SQL SERVER ERP // ENTRA ID", "summary": "Replace recurring six-figure per-seat construction software with custom Azure applications (cost-to-complete forecasting, change-order routing, job-cost reporting, approvals) over an untouched SQL Server ERP.", "matched_case_studies": [ "regional-construction", "investor-capital-portal" ] }, { "brief_code": "RAG-02", "cartridge_id": "legal-hybrid-rag", "title": "Zero-Hallucination Legal & Compliance Document Discovery Engine", "domain_tag": "GCP // HYBRID RAG // CITATION VERIFICATION", "summary": "Multi-tenant evidence and compliance search engine fusing FAISS and BM25 via Reciprocal Rank Fusion where every synthesized claim is locked to a verified source record.", "matched_case_studies": [ "texttimeline", "compositional-verification-prototype" ] }, { "brief_code": "VOX-03", "cartridge_id": "realtime-voice-bridge", "title": "Sub-Second Inbound Voice AI Bridge & Calendar Automation", "domain_tag": "TWILIO // GEMINI LIVE // CLOUD RUN", "summary": "Real-time telephony agent answering calls in ~517ms, handling barge-ins, quarantining unverified claims, booking Google Calendar slots via DWD, and gating prompt deploys with simulated callers.", "matched_case_studies": [ "real-estate-voice-agent" ] }, { "brief_code": "FIN-04", "cartridge_id": "multi-entity-financial-close", "title": "Multi-Entity Financial Close & Gated Power BI Pipeline", "domain_tag": "AZURE // SQL SERVER ERP // GATED BI", "summary": "Replace fragile multi-entity spreadsheet close workbooks with read-only SQL Server ERP extraction, deterministic fixed-point DECIMAL SQL transforms (AI restricted to build-time formula normalization, never runtime math), period-locked snapshots, and a pass/block reconciliation gate before Power BI refreshes.", "matched_case_studies": [ "regional-construction", "investor-capital-portal" ] } ], "verified_systems": [ { "slug": "regional-construction", "name": "Northeast Florida Commercial Contractor (SQL Server ERP & Azure)", "domain": "Construction / ERP Modernization", "url": "https://evanparra.ai/case-studies/regional-construction", "headline_metric": "$150K/yr retired per-seat licenses (stakeholder-confirmed)", "summary": "Embedded software engineer leading the contractor internal engineering team. Compiled thousands of live SQL Server ERP views into a drift-monitored read contract; writes route through the vendor audited REST API. Shipped cost-to-complete forecasting, change-order routing, and approvals on Azure App Service, Azure Static Web Apps, Azure Functions, and Entra ID with rubric-gated Azure DevOps CI/CD." }, { "slug": "real-estate-voice-agent", "name": "Real-Time Voice AI Bridge & Receptionist Engine", "domain": "Voice AI / Telephony", "url": "https://evanparra.ai/case-studies/real-estate-voice-agent", "headline_metric": "~517 ms to first audio on a real call; simulated-caller eval gate", "summary": "Low-latency bidirectional audio bridge connecting Twilio Media Streams to Gemini Live on Cloud Run. Features a simulated-caller LLM-as-judge eval gate, verify-with-owner fact quarantine, Google Calendar Domain-Wide Delegation booking, and Firestore + BigQuery analytics." }, { "slug": "texttimeline", "name": "TextTimeline (Legal Evidence Hybrid RAG)", "domain": "Legal Tech / Retrieval", "url": "https://evanparra.ai/case-studies/texttimeline", "live_url": "https://texttimeline.com", "headline_metric": "100% citation coverage; 90-query eval harness (P@10 0.70)", "summary": "Retrieval-first SMS evidence search for family-law attorneys. Fuses per-matter FAISS (Gemini text-embedding-005) and BM25 lexical indexes via Reciprocal Rank Fusion, strips any unverified citation IDs post-LLM, and gates retrieval changes with a 90-query judge harness." }, { "slug": "gammarips", "name": "GammaRips (Autonomous Multi-Agent Market Scanner)", "domain": "FinTech / Multi-Agent Orchestration", "url": "https://evanparra.ai/case-studies/gammarips", "live_url": "https://gammarips.com", "headline_metric": "14 Cloud Run services + ~20 Cloud Scheduler crons", "summary": "Overnight autonomous options scanner and multi-agent publishing pipeline built with Google ADK (Planner, Writer, Reviewer LoopAgent) with deterministic compliance rubrics and full BigQuery LLM trace logging." }, { "slug": "investor-capital-portal", "name": "Investor Capital Portal", "domain": "Private Equity / Capital Raising", "url": "https://evanparra.ai/case-studies/investor-capital-portal", "headline_metric": "1 owned portal replacing fragmented SaaS subscriptions", "summary": "Custom React 19 + FastAPI + Cloud Run + Firestore + BigQuery + Stripe ACH portal replacing fragmented per-seat SaaS subscriptions for a commercial real-estate capital raise." }, { "slug": "detection-evaluation-shell", "name": "Open-Source Detection Evaluation Shell", "domain": "Computer Vision / AI Assurance", "url": "https://evanparra.ai/case-studies/detection-evaluation-shell", "live_url": "https://github.com/DevDizzle/detection-eval-shell", "headline_metric": "Per-class FAR/FRR, calibration, synthetic drift, p99 latency", "summary": "Open-source PyTorch/YOLOv8 evaluation harness on the public PIDray X-ray benchmark measuring per-segment precision/recall, temperature-scaled calibration, and synthetic corruption degradation." }, { "slug": "compositional-verification-prototype", "name": "Compositional Verification Engine", "domain": "Neuro-Symbolic Reasoning / Federal Research", "url": "https://evanparra.ai/case-studies/compositional-verification-prototype", "headline_metric": "~2,100 LOC Rust + Clingo ASP; 10/10 integration tests", "summary": "Feasibility prototype translating typed ML outputs across an IR boundary into Answer Set Programming (Clingo) with bounded inference, explicit abstention on out-of-scope inputs, and auditable provenance." } ] } ```