About the role
This position is a permanent contract (CDI), with a start date expected in around two months.
As a Flutter Mobile Developer , you will join Cognizant and work for a major client in the banking and financial sector.
This role is for candidates with at least 6 years of experience, including strong skills in mobile development with Flutter. Knowledge of PHP / Symfony is appreciated, as it helps collaboration with backend teams, but the mission is mainly focused on mobile development.
You will work in a modern technical environment with efficient practices (Agile/Scrum, code review, automation, CI/CD), in teams that value quality, collaboration, and innovation.
Because Cognizant is a key partner of the client, we have a good understanding of the needs across departments. This allows us to support different teams on topics such as technical improvements, digital transformation, regulatory projects, and process optimization.
With our strong knowledge of the client context, we will be able to offer you a mission that matches your profile and expectations.
In this specific role, you will join a mobile development team inside the Web & Mobile department of their online bank. Your responsibilities
Participate in all project phases: study, design, development, and testing
Work with business teams (marketing, media, customer service) and technical teams
Develop and maintain mobile applications using Flutter (Android and iOS)
Integrate REST APIs and collaborate with backend teams
Write automated tests, and manage project delivery and production monitoring
Work on corrective and evolutive maintenance
Contribute to code reviews and support good development practices Technical environment Main (Mobile)
Flutter, Dart
Firebase (Crashlytics, Remote Config, Analytics)
Mobile CI/CD (Fastlane, Bitbucket pipelines)
Google Play Console / App Store Connect
REST APIs Nice to have
PHP 8
Symfony 6/7
MySQL, Kafka, ElasticSearch
Git (Jira, Bitbucket) Required profile
Master’s degree in Computer Science (engineering school or university)
At least 6 years of experience in web/mobile development, with strong experience in Flutter
Good understanding of mobile constraints: performance, security, accessibility
Professional English required (spoken and written). Experience in an international context is a plus Work environment & methodologies
Experience working in Agile/Scrum teams
Knowledge of DevOps practices and automation Soft skills
Strong teamwork skills and ability to collaborate with different profiles
Ability to understand client needs and act with a consultant mindset
Comfortable communicating with different stakeholders (technical, business, MOA/MOE)
Autonomy, attention to detail, problem‑solving mindset What will make the difference
Previous experience in banking/finance, especially online banking
Curiosity, interest in good practices, and ability to bring technical ideas to the team Work model: hybrid
At Cognizant, we promote a hybrid work model and try to offer flexibility when possible.
This position requires 3 days per week on-site , either at the client’s location or at Cognizant La Défense.
Work conditions may evolve depending on the project and business needs, but we always ensure clear and transparent communication.
We look forward to meeting candidates who are engaged and curious. Even if you do not match all criteria, feel free to apply — your transferable experience and motivation can make a real difference.