Bairro Courier App
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Bairro - Courier Application

Our team started work from the first MVP version, the project successfully raised €4 million and our team was responsible for all frontend.
Mobile Development
Implemented projects


Bairro Courier App
Discovery UI/UX design Quality Assurance Front-end Development Delivery Support

The Bairro Picker Application was developed as part of an initiative for a grocery delivery startup in Lisbon.

Starting from its MVP version, the project successfully raised €4 million.

The White Digital team was responsible for the complete frontend development, focusing on optimizing the user experience (UX) specifically for goods pickers.

Business Challenges

The Bairro Picker Application, developed by White Digital for a Lisbon-based grocery delivery startup, streamlines picker operations with features like one-click invoice printing and barcode scanning, overcoming integration challenges to boost efficiency and accuracy, ultimately contributing to Bairro's success.
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Goals & objectives


01/ Develop one-click invoice printing to minimize administrative tasks for pickers.

02/ Design intuitive registration process for easy navigation and efficiency.

03/ Integrate barcode scanning for quick and accurate item identification.

04/ Monitor KPIs to assess impact on service success and scalability.


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Planning Stages

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Analyzing what to do

Active communication with Stakeholders

Define Competitors

Business Requirements

Divide the scope of features by priority

Provide detailed charts and


Starting with UI/UX design

Analyze UX of competitors

Creating User Flow

Creating Low / High-fidelity wireframes

Moodboard, Define the style of UI, Branding

UI screen design

Design System development


Starting with development

Tech discovery

High-level architecture and system diagram

Setup project

Kick-off  development

Follow Agile / Scrum


Delivering the product to end users

App Store / Play Market account creation

GDPR, Privacy Policy, Term of Use

All necessary data for the Stores

Releasing on the App Store / Play Market

Support & growth

Product improvingOngoing bugs fixing

Ongoing bugs fixing

Adding new features

Plan of future releases


Exceptional UX prioritized for efficient goods collection. Key features include one-click invoice printing, barcode scanning, and streamlined registration process for pickers.

Barcode scanning

When pickers receive a new order, they wear a small Barcode scanner on their finger. We successfully integrated it, and the user sees Success ✅ in case of the correct barcode scanner and product marks as collected; In case of Wrong ❌, we show the Flash Message of wrong scanning; That feature prevented hundreds of wrong product picking 🌟.

Registration & Invoice printing

Invoice printing, a key feature for fast order collecting, involves integrating an SDK for Portugal format, while registration includes pickers downloading the app, verifying via SMS, and admins approving access.

An exceptional UX for goods collection

We are focused on the UX, not UI because it's more critical for pickers. They should collect goods fast as they can. We spent hundreds of hours on Customer Development to optimize the Picking Flow to ONE click - Invoice printing.
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White Digital
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Milana Dovzhenko
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WD team developed for us App & Web from 0 to 1 and further. They continue to support.

Milana Dovzhenko

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