Appointment scheduling with Pix deposit confirmation. Client, team, scheduling and payment management.

sinalpix.com.br

Automatic retention and upsell for pet clinics: vaccine and deworming reminders with a sales funnel and AI automation.

vacina.pet

Full outreach pipeline: leads via Google Maps and CNPJ, WhatsApp and email outreach with a Stripe coupon per lead, funnel tracking through to conversion. Multi-tenant, API-first.

zaptura.com.br

Split bills with friends, casual tone. No fees, no red tape.

rateei.com.br

Jackbox-style party quiz: the TV shows the question, each player answers on their own phone. Realtime rooms and 455 questions in PT and EN.

geniada.com

All your calendars, one availability: unifies Google and Microsoft calendars, mirrors events between them, and offers a public booking page with real-time availability.

calendarsio.com

Privacy Policy, Terms of Use and LGPD compliance checklist generated by AI for SMBs, with real articles from Law 13.709/2018 injected into the document.

English conversations with AI and real-time feedback on fluency, vocabulary and grammar. A1 to C1 leveling, with two-way voice.

Registration, scheduling, prescription, notification and billing as independent services, with admin, backoffice and B2B portals, plus doctor and patient apps. Eleven services in production. NestJS · Kong · MongoDB · React · AWS EKS.

A public agency defines the form and criteria for each call for applications and receives submissions through the public channel, through to accountability reporting. 39k processes, 117k openings, base of 2.1M candidates. NestJS · MongoDB · Next.js · GCP.

Conversation with the patient applies the Manchester protocol adapted to telemedicine and classifies the case into four risk levels; severe cases reach the doctor prioritized. TypeScript · Fastify · AWS Bedrock · Claude/GPT.

Matching engine ranks candidates by proximity, profile and job fit with auditable criteria, also exposed to AI agents via MCP. Base of more than 2M young people. Angular · Node · MySQL · Vertex AI.

Projects hour-by-hour appointment volume and sizes the minimum staff per shift, cutting on-call cost without leaving gaps in coverage. Python · FastAPI · OR-Tools · Prophet/XGBoost.

Prompts and conversation flows versioned in production; 100% of sessions analyzed for intent, friction and quality, increasing resolution by the bot itself. Go · Next.js · pgvector · RabbitMQ · Asterisk.

Brazilians abroad consult Brazilian doctors and leave with a digital prescription; product in three languages with international payment, active in the US and Colombia. NestJS · MongoDB · React · EBANX.

Companies and health plans offer telemedicine to beneficiaries: each partner manages contracts, account holders and dependents in its own portal, with integration or import. NestJS · Express · React · PostgreSQL.

Commercial operations moved off spreadsheets: automatic recurring billing, reconciled receivables and self-service signup through the website. 1,357 contracts migrated at cutover without interrupting billing. Next.js · Postgres · Stripe.

Finance, tax and payroll ERP moved from an on-premises server to the cloud, preserving the corporate directory and tax routines; cutover during a maintenance window, with no data loss. AWS EC2 · VPN Site-to-Site · SQL Server.

From fundamentals to applied topics (LLM, RAG, ML, MLOps, MCP), grounding each concept in the operation's real problems; leadership equipped to prioritize opportunities with their own judgment.