Bairro App
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Bairro - eCommerce App

Bairro - startup of instant grocery delivery in Lisbon, Portugal.
Mobile Development
Implemented projects


Bairro App
Discovery UI/UX design Quality Assurance Development Delivery Support

Bairro is an innovative startup offering instant grocery delivery services in Lisbon, Portugal.

The project began with a Minimum Viable Product (MVP) and expanded to include comprehensive development services.

Bairro successfully raised €4M for scaling infrastructure and has reached over 200,000 app downloads.

Business Challenges

The main challenges included managing the app's scalability to accommodate increasing user demands and ensuring a high-quality user experience across various features and functionalities.
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Goals & objectives


01/ Continuously refine and optimize the app's interface to ensure a seamless and engaging experience for users.

02/ Strengthen the app’s security measures to protect user data and transactions.

03/ Implement advanced data analytics tools to gain deeper insights into user behavior, improve decision-making, and personalize user experiences.

04/ Reduce app crash rates to below 1% by optimizing code efficiency, improving error handling, and conducting thorough QA testing.

05/ Develop a more sophisticated push notification system with personalized, timely, and relevant messages to increase user retention and engagement.


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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


The app features a recommendation engine, diverse promo codes, free delivery incentives, push notifications, comprehensive analytics, Adyen integration, live courier tracking, real-time chat support, and Google geolocation API for enhanced user experience and functionality.

Animated splash screen & Country selection

Animated splash screen that provides a dynamic and engaging introduction to the user experience, alongside a seamless country selection option that allows users to choose their location effortlessly.

Few clicks to order & AI search

A/B-tested UX design in the best scenario, the user might complete the order in up to 6 clicks. ‍ To address common issues with miss-clicks and incorrect searches, the app integrates Algolia that provides AI-search.

Geolocation & Multi addresses

The app utilizes the Google Geolocation API to accurately recognize and display the user's location on a map. Users can add an unlimited quantity of addresses.


・Promo Codes - for free delivery, to get 0.01$ goods and a percentage of a discount

・AI-Recommendation system - based on the user products on the cart, the app suggests to add relevant products

・Free delivery from cart size - push users to add more goods for free delivery

・Push notifications - if a user leaves the app, it sends a push reminder

・Time slots - users can choose a time for a delivery


Orders & Live courier tracking

Live courier tracking, enabling users to monitor their deliveries in real time and receive precise ETA updates. Also the app includes push notifications which keep users informed with order status updates.


The app is multilingual, supporting English, Portuguese, and French languages to cater to a diverse user base and enhance accessibility for users worldwide.

Phone number auth & Real time chat integration

Phone number auth offers users the simplest and most secure way to access the platform. Additionally, real-time chat integration with Intercom SDK enables users to resolve any queries or issues instantly, enhancing the overall customer experience.

Payment provider

The app integrates with Adyen & Stripe as its payment provider, chosen for its scalability and suitability for the product's needs, ensuring secure and efficient transaction processing.
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White Digital
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Artem Kokhan
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These guys are real professionals. Really liked their service and definitely recommended.

Artem Kokhan

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