Engineering portfolio spanning 50+ systems, web platforms, and autonomous agents built for businesses across the UK, US, and Brazil.
Click to launch and test directly in live production environments
High-performance production platform featuring automated test suites, sprint simulator (7 business days), live clinic templates, and sales-ready developer portfolio management.
Daily commercial execution platform that tells sales teams exactly which clients to move today, eliminating forgotten leads and compressing B2B closing cycles.
Funnel-leak diagnostic and command center that turns paid campaign noise into an actionable priority plan with ROAS tracking.
Custom US Real Estate Referral & CRM Platform enabling Latin-American agents to sell US properties with MLS sync, co-branded sites, and 1-click AI follow-ups.
International real estate deal room and M&A operations portal for US property portfolios, transaction multiples, and due-diligence checklists.
Next.js financial planning dashboard featuring local SQLite storage, tested calculations, cashflow charts, and instant CSV export.
Clinic operations dashboard built with Next.js, SQLite, and responsive scheduling components for medical and vet practices.
Operations control center turning scattered service metrics into an accessible, high-contrast operational dashboard.
Local feedback and customer review operations dashboard built with Next.js, SQLite, Zod validation, and Playwright E2E testing.
Fast commercial workspace to draft branded proposals, calculate price breakdowns, and generate clean client invoices.
Lightweight CRM featuring drag-and-drop sales pipeline tracking, lead scoring, and automated action follow-up flows.
SaaS workspace concept designed to parse long-form source files into multi-channel marketing campaigns and social assets.
Interactive veterinary clinic website with soft 3D neomorphism, ice-blue tones, exam catalog, and fully functional online booking.
Clean institutional clinic design with deep forest green accents, report identification codes, and high-readability architectural grid.
Ultra-premium veterinary hospital template featuring organic curves, editorial typography, private hospitalization suites, and VIP concierge intake.
High-tech dark mode hospital website focused on 24-hour emergency rooms, live bed availability panel, and instant 1-tap speed dials.
Warm pastel template with dedicated Cat-Friendly filters, stress-free hospitalization highlights, and interactive 3-step booking wizard.
High-converting dental practice website featuring interactive before/after treatment comparisons, 1-tap consultation booking via WhatsApp, and implant showcases.
Modern orthodontic practice site highlighting invisible clear aligner treatments and fast-response 24h dental emergency intake.
TypeScript pipeline for NF-e XML parsing, product identification, pricing rules and Tiny/Olist ERP integration. Documented technical scope, without published savings metrics.
24/7 automated WhatsApp appointment scheduling and reminder assistant; one client reported patient no-show rates down 85% after the sprint.
1-tap WhatsApp booking platform without app download required, featuring 1-hour reminders and team commission tracking.
24/7 WhatsApp intake assistant that qualifies legal cases, collects preliminary evidence files, and prepares briefs for lawyers.
Multi-agent WhatsApp workspace with embedded AI handling instant responses 24/7 and routing hot buyers to human reps.
Client approval portal for social agencies featuring 1-click approvals and automated weekly performance digests over WhatsApp.
Interactive workspace console tracking automated call intake, lead qualification, and automated SMS follow-up templates.
Autonomous semantic screening agent integrated via REST with Bullhorn ATS. Evaluates candidate fit, scores scorecards in 8 seconds, with a projected 25h/week saved. Reference scenario on market data, not a client.
Secure bespoke client portal replacing 15 fragile spreadsheet tabs with PostgreSQL and Row-Level Security (RLS), projected to eliminate billing errors. Reference scenario, not a client.
Automated multi-API ad reporting pipeline fetching Google, Meta, and GA4 nightly, delivering custom client PDFs on Day 1, with a projected 35h/month saved. Reference scenario, not a client.
Structured AI extraction and candidate scoring pipeline validating prerequisite filters and saving over 165 hours of monthly HR review.
Real-time telemetry and conversion audit dashboard diagnosing drop-offs between ad spend, opt-in pages, and payment checkouts.
Free, open-source, token-efficient local alternative to Firecrawl with native MCP server for LLMs, delivering >73% token reduction.
Deterministic, local-first engine to clean, dedupe, structure, and budget prompt text before LLMs. Zero telemetry, no API keys required.
Autonomous, headless AI Go-to-Market (GTM) outbound engine & MCP Server powered by PostgreSQL 16 + pgvector.
CI/CD quality gate and observability platform for AI coding agents — tracking execution traces, token budgets, and LLM evaluators.
Supervised penetration-testing orchestrator written in Go with SARIF 2.1.0 compliance, Dockerized scanners, and immutable SHA-256 audit trails.
Chrome Extension (Manifest V3) integrating Google Gemini AI directly into developer productivity and Antigravity workflows.
Hybrid agent routing implementation built to coordinate multi-agent operations and optimize context usage across sub-agents.
Portable conversational intake protocol for AI agents to clarify tone, voice, and requirements before executing tasks.
Portfolio-grade AI risk intelligence platform for product safety, recalls, supplier exposure, and regulatory signals.
Local-first, AI-assisted CV evaluation and candidate ranking dashboard designed for modern private recruiting workflows.
Clinical pet triage: turns diet, symptom, and feeding notes into standardized PawScore risk triage and vet handoffs.
Connect directly with Lucas Martins. We diagnose operational friction and engineer bespoke, production-ready systems in agile sprints of 7 business days.