CASSI · Senior Product Designer · Live ↗

BRL 4.5 million
already recovered

How a self-service debt renegotiation platform replaced manual phone negotiations — completing 10,000+ autonomous flows and recovering millions.

R$4.5M already paid through self-service
10k+ negotiations completed through autonomous flows
3,000+ contracts reactivated with waiting period benefits
BRL 4.5 million already recovered — project overview

Context

CASSI identified the need to create a digital channel to support the debt regularization of active and former participants, reducing dependence on manual negotiations and increasing financial recovery rates.

Before the project, interactions were mostly handled by phone, without standardized processes, resulting in low user autonomy and limited control over negotiation progress.

The financial recovery potential was significant — over BRL 300 million in outstanding debts — but the absence of a digital self-service channel made it nearly impossible to scale collection efforts without proportionally scaling the operational team.

Goal

Create an intuitive, secure, and accessible self-service platform that:

  • Allows participants to negotiate debts in a simple and autonomous way.
  • Enables the return of users once their debts are settled.
  • Provides a standardized and secure experience, without requiring account creation for participants with canceled plans.
  • Includes a back-office system to support employees in monitoring negotiations.

Key challenges

No login, no problem

Creating a secure authentication flow for participants with canceled plans — who have no active account — without adding friction to the process.

Unified flow

Designing a single experience that served both active participants and former members, while keeping improvements in a single place.

Process automation

Automating collection and communication processes that previously required active phone contact and manual tracking.

Dual audience

Building two access points — one for participants and one for CASSI employees and partners — within a coherent system.

My role

As Senior Product Designer, I worked on the conception and definition of the digital experience, collaborating with commercial strategy, IT, and participant relationship teams.

  • Mapped user flows and journeys, including scenarios with and without plan reactivation.
  • Created wireframes to guide the project.
  • Designed the interface and high-fidelity prototypes in Figma.
  • Defined requirements with business areas and the development team.
  • Created dashboards for internal negotiation monitoring.
  • Validated the solution with stakeholders and the legal team.

Solution

The CASSI Collection Platform was designed with two main access points.

For participants

  • Access through a link sent by email or from an institutional page.
  • Identification via contract data and authentication through email or SMS.
  • Debt overview and payment method selection (PIX, bank slip, or account debit).
  • Negotiation confirmation in under one minute, without active contact.

For employees and partners

  • Logged-in area with a management dashboard.
  • Real-time negotiation tracking.
  • Reports and data exports for internal teams.

Design principles applied

  • Linear flow — users complete all steps clearly and without friction.
  • Unified flow for all profiles — improvements made in a single place, consistent level of control for both users and CASSI.
  • Two-factor authentication — security without traditional login, using contract data as identity proof.
  • Full self-service — average completion time of five minutes.
Debt renegotiation platform — user flow
Self-service user flow — from platform access to negotiation confirmation in under five minutes

Results

R$54.1M

in installment negotiations (until Jan 2025)

R$4.5M

already paid through self-service

3,000+

contracts reactivated with waiting period benefits

10,000+

negotiations completed through autonomous flows

Beyond the financial recovery, the platform standardized collection processes and significantly reduced operational effort — shifting the team's energy from managing individual phone negotiations to monitoring outcomes at scale.

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