Cognizant is hiring a Web & Mobile Developer to work with a major player in the banking and financial sector. You will join the web & mobile department of an online bank, participating in all stages of web and mobile projects.
What You'll Do
- Participate in all project stages: study, design, implementation, and testing.
- Communicate with business stakeholders (marketing, media, customer service) and technical teams.
- Write automated tests, ensure project delivery, and monitor applications in production.
- Handle both feature enhancements and corrective maintenance.
- Contribute across the entire web stack, including API, frontend, and mobile.
- Review peers' code to collectively improve application quality.
What We're Looking For
- A Bac +5 degree in computer science (engineering school or university).
- At least 8 years of experience in web/mobile development, including several significant projects using PHP / Symfony.
- Solid knowledge of web requirements: Accessibility, Web Performance, SEO, and Security.
- Professional English proficiency (spoken and written), as it's the working language at Cognizant and within project teams.
- Experience in an Agile/Scrum environment and with DevOps practices.
- Ability to work in a team and collaborate with diverse profiles.
- Understanding of client consulting challenges and mindset.
- Comfort communicating with multidisciplinary stakeholders (technical, business, project management).
- Autonomy, rigor, analytical thinking, and problem-solving skills.
Nice to Have
- A first experience in an international context is valued.
- Previous experience in the banking/finance sector, particularly with online banking.
- Technological curiosity and commitment to best practices: leveraging technical expertise for business needs.
Technical Stack
- Languages: PHP 8, Python, HTML5, CSS3, SASS
- Frameworks/Libraries: Symfony 6/7, Flutter, Vue.js, Webpack
- Data & Infrastructure: MySQL, Kafka, ElasticSearch
- Tools: Git (Jira, Bitbucket), API REST
Team & Environment
You will join a development team within the web & mobile department of an online bank.
Work Mode
This is a hybrid position based in La Défense.
Cognizant prioritizes quality, collaboration, and innovation while supporting a good work-life balance.



