DM
All case studies
PSA / Free2move logo

Automotive & mobility

Building a connected mobility app end to end

Full-stack development of Free2move, PSA group's connected mobility app: parking, electric vehicle charging, tolls, on a serverless AWS architecture.

Client
PSA / Free2move
Sector
Automotive & mobility
Role
Full-Stack Developer
Period
July 2018 - December 2019

The scale of the playing field

These public figures describe the platform the engagement took place on, not a result I claim on my own. They show the level of demand of the environment.

2M

downloads of the Free2move app reached in 2019

34+

cities covered across France, the United States and China

12

countries where the service was deployed by the end of 2018

Free2move deployment figures communicated by the PSA group and the trade press during the engagement period (2018-2019).

Sources: Groupe PSA, Free2move (communiqué, février 2018) · L'argus PRO, utilisateurs et partenaires Free2move

The context

Free2move is PSA group's mobility platform: an app aggregating very different services (parking, EV charging, tolls), each with its own partners and APIs. A mass-market product backed by a major automotive group.

The challenge

Shipping an app that talks to multiple third-party systems, on infrastructure able to absorb usage spikes without permanently provisioned servers. Front and back had to move together, with no separate team per layer.

What I did

  • Mobile app development in React Native
  • Back-end development in Node.js and Nest.js on AWS
  • Design of a scalable serverless architecture
  • Third-party service integration: parking, EV charging, tolls

Technical stack

React NativeNode.jsNest.jsAWS LambdaDynamoDB

The outcome

A connected mobility app in production, running on a serverless architecture that follows the load without server management, with the same developer on front and back.

What this means for you

A complete product, from mobile to infrastructure, can be carried by a single engineer who masters the whole chain. That is the principle behind the fixed-price format: a scoped perimeter, one person, one production delivery.

Delivered in 2 Weeks

A similar need?

30 minutes to look at your situation and tell you honestly how I would approach it, whether you work with me or not.

Book a free audit (30 min)