README.md

Woovi Developers Jobs

• Woovi
• OpenPix

A Woovi is an instant payment platform for business

Code Challenges

You can code one of these code challenges

GraphQL Relay CRUD Ledger

• build a simple GraphQL + Relay CRUD
• write it down your decision making process and trade-offs
• more info here crud-bank-graphql-relay.md

Leaky Bucket

• build a simple Leaky Bucket code
• more info here leaky bucket

Dict Simulator

• create the DICT API using node and mongodb

SPI Simulator

• create the spi message system using iso20022 messages
• read more about it here https://www.bcb.gov.br/estabilidadefinanceira/comunicacaodados
• iso20022 definition https://www.iso20022.org/iso-20022-message-definitions
• volume VI - https://www.bcb.gov.br/content/estabilidadefinanceira/cedsfn/Catalogos/Catalogo_de_Servicos_do_SFN_Volume_VI_Versao_509.pdf
• minimal requirement is to implement pacs

Mini n8n/zapier

• Use React Flow to create a mini n8n embeded using React
• it should have at least 2 nodes: API and Webhook

deliverables: github repo, excalidraw, markdown

Reviewers

share github with:

sibelius

References

• Woovi Playground - production Woovi code sample
• Relay Workshop - learn GraphQL + Relay with exercises

RFC Architecture + Database Schema modeling Challenge

• How would you design Credit on top of Pix?

deliverables: markdown + excalidraw (your RFC proposal)

Read this to understand https://blog.pragmaticengineer.com/scaling-engineering-teams-via-writing-things-down-rfcs/