Portfolio

32 shipped software projects across ticketing, CRM, healthcare, elderly-monitoring, ERP, SaaS, blockchain and mobile. Every entry links to a case-study page with the business problem, the technical shape and the numbers after launch.

ArTicket Platform — Next.js 16, TypeScript, PostgreSQL project screenshot

ArTicket Platform

A ticketing operator was renting its platform. The own 2D canvas seat-map engine runs at 39fps on 10k+ seats, and the operator owns it now.

Next.js 16TypeScriptPostgreSQLPrisma
ArTicket Support Desk — Chatwoot, Docker Compose, Rails project screenshot

ArTicket Support Desk

ArTicket needed a self-hosted omnichannel support desk. 7 email mailboxes plus WhatsApp, Facebook, Instagram and web widget for 8 agents, nightly backups.

ChatwootDocker ComposeRailsRedis
Servifibras CRM + AI — NestJS, Next.js 15, Claude Sonnet 5 project screenshot

Servifibras CRM + AI

A composites shop was renting an AI assistant. Their own Claude-powered agent now handles sales across 5 channels, with hard guards against price hallucination.

NestJSNext.js 15Claude Sonnet 5PostgreSQL
Sensu Angela — Next.js 15, FastAPI, MQTT project screenshot

Sensu Angela

Elderly SOS pendants used to call the family. Now they ping a 24/7 call center and every family member in real time, live on iOS and Android.

Next.js 15FastAPIMQTTStripe
Dr. João Cláudio Miranda — Next.js 15, Payload CMS 3, PostgreSQL project screenshot

Dr. João Cláudio Miranda

A surgeon wanted a website that generates patients through Google. 40+ SEO pages, inline CMS the doctor edits live, CFM-compliant medical content.

Next.js 15Payload CMS 3PostgreSQLSchema.org
Tiendamascold Configurator — Node.js 24, Express 5, WooCommerce API project screenshot

Tiendamascold Configurator

Made-to-measure cold rooms could not be quoted online. A configurator embedded via Shadow DOM reads the real closed prices and adds to cart, no iframe.

Node.js 24Express 5WooCommerce APIShadow DOM
Hilong Ecuador Incident Response — Incident Response, Perl (CVE patch), fail2ban project screenshot

Hilong Ecuador Incident Response

A production mail server was actively compromised. Malware eradicated, CVE-2024-45519 patched with a custom Perl fix, and weekly SOC monitoring took over.

Incident ResponsePerl (CVE patch)fail2banfirewalld
IF7Sports Platform — NestJS, MongoDB, Angular project screenshot

IF7Sports Platform

Sports centres could not share courts across a reseller network without double-booking. Atomic tenant-isolated booking with commission accounting handles it.

NestJSMongoDBAngularJWT
Financial PDF Processor — Python, Streamlit, SQLite project screenshot

Financial PDF Processor

Banking statement PDFs were parsed by hand across dozens of accounts. Streamlit MVP now extracts and cross-references transactions automatically.

PythonStreamlitSQLiteMySQL
Famacon Livestock Monitor (M2) — PHP, Python, Node.js project screenshot

Famacon Livestock Monitor (M2)

Cattle fields were checked on foot at dawn. Sensor telemetry over MQTT/HTTP fires WhatsApp alerts when a threshold breaks, before anyone leaves the house.

PHPPythonNode.jsMySQL
PinBoat Pinterest Bot — Python, Web Scraping, REST API project screenshot

PinBoat Pinterest Bot

Affiliate posting on Pinterest hits rate limits and bans fast. A 24/7 bot with intelligent frequency controls keeps the account safe long-term.

PythonWeb ScrapingREST APIJavaScript
Famacon Phase 1 — PHP, MySQL, Node.js project screenshot

Famacon Phase 1

The first pilot for cattle-field monitoring. Backend, WhatsApp notifications and per-user data separation, before the M2 platform scaled it up.

PHPMySQLNode.jsPython
MaGov Angular + GraphQL — Angular, GraphQL, TypeScript project screenshot

MaGov Angular + GraphQL

21 Angular front-end components had to hit a GraphQL backend and stay pixel-perfect against Figma. Refactor, interactive map and dashboard all shipped.

AngularGraphQLTypeScriptIonic
BookProof — Next.js, Node.js, PostgreSQL project screenshot

BookProof

Authors buying Amazon reviews got flagged in bulk. Weekly automatic queue delivery, reader anonymity, 72h deadlines and 14-day replacement — no flags.

Next.jsNode.jsPostgreSQLQueue scheduler
valee.app (Secure Mobile) — Android, iOS, Java project screenshot

valee.app (Secure Mobile)

A mobile app needed to survive real attackers, not a checklist. Cryptography, pentesting and secure authentication baked into every layer, iOS and Android.

AndroidiOSJavaSwift
Distrialma Wholesale ERP — Next.js 14, PostgreSQL, SQL Server project screenshot

Distrialma Wholesale ERP

A wholesaler was running its POS blind to accounting. An ERP layered over the SQL Server POS shows a live balance sheet and files AFIP invoices.

Next.js 14PostgreSQLSQL ServerAFIP SOAP
Diva COP/USD Dashboard — Google Sheets, Excel, Word docs project screenshot

Diva COP/USD Dashboard

A crypto dashboard needed a currency toggle and a rate updater without redeploys. Direct hire from a returning client added both without touching production.

Google SheetsExcelWord docs
Agendux — React, Node.js, PostgreSQL project screenshot

Agendux

No-shows are the quiet cost of every appointment business. Reminders reach clients on WhatsApp, and a cancelled slot gets offered again.

ReactNode.jsPostgreSQLWhatsApp API
Automotive Portals Integration — PHP, Laravel, REST API project screenshot

Automotive Portals Integration

Selling cars on 6 Brazilian portals meant 6 manual re-postings a day. Laravel API integrations sync each platform automatically and stay reliable.

PHPLaravelREST API
Diva Crypto Investment Panel — Blockchain, Cryptocurrency, Web3 project screenshot

Diva Crypto Investment Panel

A crypto investment dashboard needed Web3 wallet integration and live token APIs. Key features optimized, new integrations added without breaking the panel.

BlockchainCryptocurrencyWeb3API
Virtual Commercial Assistant SaaS — Node.js, Python, MongoDB project screenshot

Virtual Commercial Assistant SaaS

SMBs (delivery, barbershops, clinics, retail) needed a WhatsApp assistant with STT and per-client JSON config. MVP built for stability over intelligence.

Node.jsPythonMongoDBMySQL
Diva Investment Management App — PHP, MySQL, Python project screenshot

Diva Investment Management App

Tracking stocks and foreign-currency investments across accounts was scattered. Consolidated wealth view with per-asset tracking and currency conversion.

PHPMySQLPythonReact.js
Ana Lopez AI Redesign — HTML, CSS, JavaScript project screenshot

Ana Lopez AI Redesign

An AI-industry site needed a futuristic redesign and technical SEO. UI/UX overhauled, structure and load speed optimized, mobile compatibility fixed.

HTMLCSSJavaScriptWordPress
Impact Processor CSR26 — Blockchain, Python, Stripe Connect project screenshot

Impact Processor CSR26

An ESG plastic-credit protocol needed dynamic weekly pricing and a 5/45/50 vesting rule on-chain. Stripe Split handles automated commission distribution.

BlockchainPythonStripe ConnectSQL
Educational Chatbot — Python, JavaScript, SQL project screenshot

Educational Chatbot

A single-lesson pilot needed to prove the interaction model before scaling. Multiple-choice mechanics, lesson import system and lightweight CMS designed.

PythonJavaScriptSQLChatbot
Spraicoin Token + Presale — Cryptocurrency, PHP, JavaScript project screenshot

Spraicoin Token + Presale

A new token needed a smart contract and a presale API wired into the existing site. Full implementation guaranteed API security and correct token interaction.

CryptocurrencyPHPJavaScriptHTML
LINCE Water Monitoring — JavaScript, MySQL, Python project screenshot

LINCE Water Monitoring

Water treatment failures were found after the damage, through paper reports. AI now surfaces anomalies from live data while they are still cheap to fix.

JavaScriptMySQLPythonML
Apoteke.me Pharmacy Locator — React, Node.js, PostgreSQL project screenshot

Apoteke.me Pharmacy Locator

Finding a medicine in stock meant calling pharmacies one at a time. Google Maps + Street View + radius search + data scraping built the map.

ReactNode.jsPostgreSQLGoogle Maps
DexSpeed DEX on Solana — Rust, Anchor, Solana project screenshot

DexSpeed DEX on Solana

Traders leave when the price moves between the click and the fill. Sub-second execution on Solana keeps the order book worth using.

RustAnchorSolanaSPL Tokens
Ebookito Crypto Payment App — Android, iOS, Solana project screenshot

Ebookito Crypto Payment App

A Solana DEX mobile app needed adjustments and new features on iOS and Android. High-speed EBK + SPL token swaps with minimal fees.

AndroidiOSSolanaJava
Ethereum DEX Scanner — Node.js, JavaScript, Ethereum project screenshot

Ethereum DEX Scanner

Real-time swap events on Uniswap V2 needed a Node.js scanner. The Graph subgraph + ethers RPC log scanning fed analytics and alerts.

Node.jsJavaScriptEthereumThe Graph
MT5 Trading Bot — Python, MetaTrader5 API, Pandas project screenshot

MT5 Trading Bot

A strategy only earns if it runs the same way every time, including at 3am and during bad news. The bot holds the rules and the risk limits.

PythonMetaTrader5 APIPandasRSI