Digital Collections · 2018 — 2021
Vivo em Dia
Debt regularization and renegotiation for telecom customers
- Role
- Full Stack Engineer
- Year
- 2018 — 2021
- Stack
- Node.jsReactTypeScriptPHPMySQLSOAPREST

Overview
Digital collections project focused on conversion, clear offer communication, and fast debt regularization journeys.
- Negotiation workflows with boleto generation and payment promise flows
- Integrations with contractual data services and active debt balances
- Operations aligned with communication campaigns and customer recovery programs
Architecture
React frontend with Node.js/PHP backend, debt query integrations, and issuance services for large-scale negotiation journeys.
Challenges and solutions
Campaign-driven traffic spikes
We tuned performance and stability to absorb access surges triggered by external campaigns.
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