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seQura

Product design
Company
seQura
Year
2020-2024
Sector
Fintech · Payments
Website
Official site

Team leader
Mario Estrada

Designing seQura’s experience for merchants with flexible financing. From the physical point of sale to the merchant portal.

SeQura is a leading company in flexible payment solutions that allows merchants to offer instant financing both online and in physical stores. For almost four years (from December 2020 to March 2024), I was part of the product team, growing alongside the product itself — from the first in-store experiences to the design of complete tools for all merchants on the platform.

Throughout this time, I took part in several key projects, contributing to visual design, flow definition, and the creation of a transversal Design System that unified the experience across products and teams. We also worked to enhance accessibility, ensure consistency across devices, and support the company’s expansion into international markets.

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InStore Project – The starting point

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I started with the InStore project, a tool designed for physical retail points of sale, where we created fast, intuitive experiences for store attendants and customers. We also analyzed the previous solutions that inspired the evolution toward a more scalable and consistent experience.

Before InStore, the team maintained a solution for educational centers (an internal platform called Shenzi) that addressed specific management needs but couldn’t scale to the retail environment. Building from that foundation, we analyzed its limitations — flow speed, ergonomics for store staff, and offline handling issues — and redesigned the experience for physical points of sale, prioritizing simplicity and speed in interactions.

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Research and continuous validation

Guerrilla testing plus interface icon

We ran in-store test sessions with InVision prototypes, rewarding store attendants for their time with SeQura coupons. These sessions gave us direct insight into the real usage context and the speed required for their daily interactions.

For the new Merchant Portal, we interviewed real merchants to understand their management processes and pain points, helping us identify opportunities for improvement and adapt the tool to their day-to-day needs.

These dynamics laid the foundation for a culture of continuous discovery, keeping the design team always close to its users.

Maintaining connection with merchants and store attendants was essential: We combined guerrilla testing in stores, merchant interviews, and usage data analysis to iterate quickly. This ongoing validation process fed product decisions and reduced release risks.

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Merchant Portal Project – Scaling the experience

Nuevo diseño

The main challenge here was to unify multiple flows in a clean and modular interface while maintaining the visual coherence established by the Design System.

We worked closely with product managers and developers, strengthening continuous discovery practices and validating prototypes with real users.

Additionally, we defined patterns for complex data and tables, documenting use cases (CRUD, filters, exports) so the Portal could grow safely and consistently.

Design System – Cross-team collaboration

Ejemplos de documentación
Cronología ylibrería
A common language across products

Building on InStore, we defined the foundations of a transversal Design System that gradually consolidated with the rest of the design teams.

We created interaction patterns, typography scales, spacing rules, and reusable components that made the design scalable and visually consistent across products

The system was documented and shared internally, improving collaboration between designers from different squads and speeding up development times.

We also incorporated accessibility criteria such as color contrast and keyboard navigation. A basic a11y checklist was defined and used by the team during design reviews.

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Internationalization – Expanding into new markets

Arquitectura de la información
International expansion and localization

One of the most significant milestones was SeQura’s international expansion, which required adapting the experience to new markets and users. I participated in coordinating the entire translation and localization process (English, Italian, and French), ensuring tone, content, and structure stayed consistent with the brand.

This process led us to revisit full flows, rethink microcopy, and optimize interfaces to support different text lengths and currency formats — while managing multiple product variants under a unified system.

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Learnings and legacy

My time at SeQura represented a stage of professional growth and maturity in product design.

I learned the value of cross-functional collaboration, the importance of designing for living contexts, and the power of visual coherence when a product scales.

SeQura’s evolution — from a local startup to an international fintech — mirrored the evolution of its design team.

Beyond the work itself, the team’s day-to-day became a space where I learned to balance delivery and wellbeing — a close-knit group where daily collaboration felt like a small community.

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Other projects

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