Custom Software Development From Warsaw

Mobile App Development

Web Development

Product Design

IT Consulting

Discover Flutter

There is always exciting technology our team wants to try out. We challenged them and asked for proof on how Flutter can bring value to the client. We are sharing the insights after making the first 10 commercial apps within the last 24 months during which we’ve spent some 17.193,00 hours on Flutter projects.
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Technology we love

Flutter
.NET
React

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Business Partners

Agnieszka Marevné-Waniel
Shell Commercial Lead
I enjoy working with LeanCode and the technological expertise they bring to our cooperation.
Marta Kutyna
Maspex Group
LeanCode has managed to create the great project on time and within budget
Sebastian Zimmermann
The Bike Company
I recommend LeanCode as a responsible tech partner who created our Revelo bikesharing application.
Antoine Azaïs
GastroJob
We are highly satisfied with the cooperation with LeanCode as a trustful tech partner.
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Why LeanCode

We care
about your problem
Defining the problem is crucial for further success and designing the solution. That's why our software is costumed to your needs.
We know
how to solve it
Our experienced team from Warsaw consists of Product Designers, Testers, .Net, Flutter, and React Developers who can prepare the right solution.
We understand
why it matters
With the proper business mindset, we can create meaningful recommendations that fit your real business needs.

You can trust us

Our team, located in Warsaw and remote, of 50+ Devs, Architects, Designers, Testers, and Product Owners is run by entrepreneurs.
Łukasz Kosman
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LeanCode
Co-founder and Partner, formerly CEO at Audioteka.pl, founder of Rebel and Appetiq, lecturer at MBA and WUT and mentor at startups.
Jakub Wojtczak
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LeanCode
Co-founder and Partner, CTO. Experienced entrepreneur. Co-founder at Appetiq, Rebel. Community activist and co-founder at Flutter Warsaw and Flutter Europe.

We start in 3 simple steps in Warsaw or remotely

Product Design Workshops
4h long workshop
During the workshop we analyze the problem, assess solution and create the product roadmap.
Proof of Concept
Within next 3 days we prepare the technical proof of concept to check if it fits business.
Recommendation
After the POC is accomplished we prepare the recommendation on how to implement the product with the offer.
App Development Process
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We will find the best solution for your product!

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Industries where we excel

HRTech
EdTech
Healthcare
Booking services

Our experience

We are a 5 STAR business partner from Warsaw

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We can build your next successful app!

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We build communities

A photo from Flutter Warsaw event
Flutter Warsaw is an IT community focused on modern Flutter technology. It is one of the largest so-called meetups dedicated to Flutter in Europe, initiated by LeanCode in 2018 in Warsaw, with over 1.8k members worldwide. It gathers Flutter enthusiasts and other IT professionals interested in getting to know its possibilities.
A photo from Flutter Europe conference
Flutter Europe is an initiative driven by European Flutter Communities to gather people passionate about Flutter and those who want to learn how to create beautiful applications. Its last edition, one of the biggest Flutter conferences, took place in 2020 in Warsaw. It was organized to share Flutter's knowledge further.

We share knowledge

Firestore and Firebase suite are great technologies. They allow developers to build some features in Flutter and other mobile frameworks really fast. However, Firestore has also many pain points that outweigh the pros in most of the more advanced cases. Is Firestore appropriate for you? Read on to find out why!
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In just a few years, streaming media services have caused a real revolution worldwide. We guide you through building a functional streaming app based on subscriptions. We based this article on knowledge derived from mobile applications delivered by us.
CEO attracts users to his new media streaming mobile app
SaaS app development requires meticulous planning and execution to deliver a robust solution that will satisfy end-users and allow you to earn money on the SaaS solution you offer. This article will help you understand what is necessary to build a functional SaaS application.
A web page of SaaS product