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Real case studies

The work already in our track record.

Every project solved a concrete problem for a real client. Use it as an architecture reference or a starting point for your own scenario — some of these you can click through right now, in a demo environment with sample data.

Real estate development · Internal operations

Prumo

Olá Empreendimentos

Problem

Work was scattered across WhatsApp, email and spreadsheets: no department could see tasks, deadlines and workload in one place, and off-the-shelf SaaS never fit the company's internal structure.

Delivered

A single internal system covering tasks, service tickets, requests with approval limits, announcements, meetings with minutes, documents and quality management, construction measurement and the org chart — each department with its own view, the board with the consolidated picture.

In the demo

  • 10 departments, 25 sub-units and 30 people in the org chart
  • 10 projects and roughly 60 tasks with subtasks, checklists, SLA and priority
  • Service tickets, requests with approval limits and an announcement board
  • Meetings with minutes, documents under revision control and quality standards
  • 2 construction contracts with 4 measurement reports — one with a deduction
Read the case
  • Next.js
  • Prisma
  • Postgres
  • Docker Swarm

Cross-industry · Bookings

MultiReserva

Futago Automações (own product)

Problem

Churches, schools, clinics and coworking spaces run rooms and staff out of a shared spreadsheet and a WhatsApp group — constant double-booking and no view of what is actually available.

Delivered

Multi-tenant SaaS with transactional double-booking protection, rooms and professionals managed together, a public booking request page, email and WhatsApp notifications and Stripe billing. Self-service onboarding in under 15 minutes.

In the demo

  • Esperança Viva church: 14 people across 6 roles and 9 spaces
  • Nine weeks of schedule anchored on today, with 4 weekly series
  • Three approval policies, buffers and a public space that needs no account
  • Switch roles inside the demo to see each permission set
Read the case
  • Next.js
  • Prisma
  • Postgres
  • Stripe
  • WhatsApp Cloud API

Real estate · Finance

Olá — Commissions

Olá Empreendimentos

Problem

Two-tier commission splits calculated in Excel, approvals by email with no audit trail and brokers chasing status on WhatsApp — nobody knew who had been paid, how much or when.

Delivered

A platform that syncs sales from CVCRM and Sienge, runs the real split engine, blocks any payment before the invoice is in, and carries each release through every stage to the payout — with mandatory 2FA on financial routes.

In the demo

  • 6 project entities (UP and MCMV) in launch, construction and delivered
  • 72 reservations over 6 months, including cancellations, holds and mismatched down payments
  • A full release pipeline: from missing invoice to paid
  • 5 payout tiers and advances by role, with a running balance ledger
Read the case
  • Next.js
  • Prisma
  • Postgres
  • CVCRM
  • Sienge
  • 4Pay

Real estate development · Feasibility and investment

ViaSmart

Olá Empreendimentos

Problem

Feasibility studies living in spreadsheets: versions that disagreed, KPIs you could not drill into, and budget vs. actual with no frozen history — the investment committee and the bank asking "where does this number come from?" with no auditable answer.

Delivered

End-to-end feasibility platform: reproducible calculations traceable down to each cash-flow line, scenario comparison, immutable published versions and actuals imported with automatic reforecast — integrated with Sienge.

In the demo

  • 3 fictional developments in Manaus, Belém and Campinas
  • Each study in three versions: base, downside and upside
  • 2 towers and 160 units — sold, reserved, cancelled and swapped for land
  • Construction work breakdown with 12 fronts indexed to INCC and a CPM schedule
  • CAIXA construction financing, 4% special tax regime and a three-tranche equity waterfall
Read the case
  • Next.js
  • Prisma
  • Postgres
  • Sienge

Communities · Children's check-in

KidEntry

Own product

Problem

Registration, age grouping and check-in for children's rooms done on paper or in a spreadsheet: a queue at the door, overloaded volunteers and no record of who handed a child to whom.

Delivered

Mobile-first platform for rooms, children, guardians and staff, with automatic age-based placement (manual exceptions are logged) and check-in/checkout with pickup validation and a full audit trail.

In the demo

  • A complete fictional organization, with an active plan and subscription
  • Age-based placement, with manual moves recorded by reason
  • Admin, Coordinator, Teacher and Volunteer profiles
  • Guardian portal and a label-printing station
Read the case
  • Next.js
  • Prisma
  • Postgres
  • PWA

Elected office · Constituent services

PoliticaConnect

Own product

Problem

An office answering constituents on WhatsApp, Instagram and email with nothing tying it together: the same request arrives twice and gets two answers, a referred case drops off the radar, and at the end of the month nobody can say how many people were served or about what.

Delivered

An office dashboard with a single inbox and AI-assisted triage, cases with an owner and a due date, a constituent base you can slice by neighborhood, a term timeline tying votes to deliveries, plus surveys and campaigns.

In the demo

  • One inbox, triaged by topic and neighborhood
  • Sentiment read on the constituent base over the last 24 hours
  • Cases by neighborhood, with resolution history
  • Term timeline: votes, surveys and deliveries on one thread
  • Election campaign module kept separate from the office's work
Read the case
  • Next.js
  • Prisma
  • Postgres
  • IA

Occupational health · Team wellbeing

Conecta+Eu

Own product

Problem

Brazilian regulation NR-01 now requires managing psychosocial risk, and all most companies had was a once-a-year climate survey: answers nobody trusts to be anonymous, results that arrive far too late and no trail to show an auditor what was done about them.

Delivered

A continuous-monitoring platform with a one-minute check-in for each employee, always-aggregated indicators for managers and HR — never exposing who answered what — and an admin area with the client portfolio and the path to the NR-01 report.

In the demo

  • Three views in one product: employee, manager/HR and administration
  • One-minute check-in, with personal progress and missions
  • Indicators only in aggregate, sliced by department
  • Framed as development, not clinical diagnosis
  • Client company portfolio and the trail up to the NR-01 report
Read the case
  • Next.js
  • Prisma
  • Postgres

Occupational health · Psychosocial risk (NR-1)

PsicoGRO

Own product

Problem

Brazilian regulation NR-1 now requires managing psychosocial risk with a formal deliverable, and consultancies serving dozens of companies were doing it in spreadsheets: no portfolio view to tell which client needs attention first, survey results with no consolidated reading, and the statutory reports assembled by hand for every inspection.

Delivered

A platform with three panels — consultancy, client company and employee — covering COPSOQ assessment, AI-assisted reading of the results, a 5W2H action plan with owner and deadline, an anonymous reporting channel, and the formal NR-1 deliverables ready for inspection.

In the demo

  • Client portfolio ranked by psychosocial risk
  • COPSOQ assessment with per-company response tracking
  • Each company benchmarked against its own industry
  • Statutory psychosocial risk reports generated by the platform
  • Reports handled while preserving the reporter's anonymity
  • Isolation between client companies enforced by the product
Read the case
  • Next.js
  • Prisma
  • Postgres
  • IA

Finance · Payment slips

Invoice Slip Generator

Gerador de Boletos

Problem

Slow payment-slip issuing, manual reconciliation and collections spread between spreadsheets and email.

Delivered

Batch issuing, automatic reconciliation and a PIX/slip dunning sequence wired into the client's ERP.

  • n8n
  • Celcoin
  • Postgres
  • WhatsApp Evolution

Real estate · Conversational AI

Olá — Property Sales Agent

Olá Empreendimentos

Problem

Leads arriving around the clock, with no way for brokers to qualify them and book viewings at the same pace.

Delivered

An AI agent on WhatsApp that qualifies leads, books viewings and nurtures prospects 24/7. Integrated with the CRM.

  • Claude
  • n8n
  • Chatwoot
  • CRM proprietário

Real estate · Events

EventoOla — Broker Mission

Olá Empreendimentos

Problem

A real estate event with low broker engagement and no way to measure ROI per booth.

Delivered

Gamification with QR-based missions, a live leaderboard and prizes for engagement — brokers active throughout the event.

  • Next.js
  • PWA
  • WebSocket
  • Stripe

Real estate · Lending

Mortgage Financing — Olá

Olá Empreendimentos

Problem

Slow mortgage simulations, documents collected over email and a funnel that broke before approval.

Delivered

Real-time multi-bank simulation, document capture over WhatsApp and a complete funnel through to approval.

  • Next.js
  • APIs bancárias
  • OCR
  • IA

Real estate development · BI

Olá Empreendimentos BI

Olá Empreendimentos

Problem

Eight developments reporting in isolation — the board had no unified view of sales, payouts and sales value.

Delivered

A unified executive dashboard for 8 developments with real-time KPIs for sales, payouts and total sales value.

  • Next.js
  • Postgres
  • CVCRM
  • Sienge

Leisure · Bookings

Holiday Camp — Clube Dom Pedro II

Clube Dom Pedro II

Problem

Sign-ups on an unreliable Google Form, payment handled separately and children checked in with no safety trail.

Delivered

Sign-up, payment and secure child check-in for a peak-demand event. Replaced unstable Forms and spreadsheets.

  • Next.js
  • Prisma
  • SITEF
  • MS Graph

Other projects in our track record

Procurement BI (Sienge) · Café Família Garcia · FMF — Funnel of a Thousand Faces · The Waffle King · Atacado Neon · Lagoinha Church

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