Full-stack Node.js / React Developer – Paris

Design high-performance web applications within a dedicated AI and IT operations program. Smart IT Conseil, powered by Smart Santé Conseil, supports companies in the design and deployment of digital, data, and AI solutions. Our difference? Before developing for our clients, we developed for ourselves. We know every stage of a digital project: scoping, building, launching, improving, and achieving concrete results. Today, as part of a project for one of our clients, a large banking group, we are looking for a Full-stack Node.js / React Developer – Expert. You will participate in the development of interfaces and web applications for the IA4OPS SUNDAI program, with a strong DevOps and DataForOps sensitivity. You will intervene across the entire development cycle, from design to deployment. The position is based in Paris, with an on-site presence planned two days per week, according to terms to be confirmed. Your impact Design and develop web applications meeting the program's needs;

Develop backend functionalities with Node.js;

Build frontend interfaces with React;

Design and integrate REST APIs;

Ensure interactions between applications and databases;

Apply Clean Architecture principles to guarantee code maintainability;

Write and maintain unit and integration tests;

Participate in code reviews and the improvement of development practices;

Evolve continuous integration and delivery pipelines;

Fix anomalies and optimize performance;

Document developments and technical choices;

Guarantee the quality of applications before their production release. Your profile You have expert-level experience, exceeding 15 years, with expert mastery of Node.js and ReactJS. You are comfortable across the entire full-stack development chain: user interfaces, backend services, REST APIs, and databases. You master software design best practices, unit and integration testing, as well as Clean Architecture principles. You possess a strong DevOps sensitivity, know how to work with CI/CD pipelines, and take operational constraints into account from the design stage. Knowledge of Vue.js will also be appreciated. You are autonomous, rigorous, and capable of collaborating with both business and technical stakeholders. Professional English is expected. Key skills Node.js, ReactJS, Vue.js, JavaScript, full-stack development, REST APIs, databases, unit tests, integration tests, Clean Architecture, CI/CD, DevOps and DataForOps. Conditions Level: Expert — more than 15 years of experience;

Location: Paris;

On-site presence: two days per week, terms to be confirmed;

Start date: to be agreed upon, with the initially desired date being September 18, 2026;

Project end date (estimated): December 31, 2026;

Position open under an employment contract. Remuneration Between €56,000 and €70,000 gross per year, depending on your experience and expertise. Why Smart IT Conseil? Concrete client projects with high impact;

An entrepreneurial and product-oriented culture;

Expertise built in the field;

Three locations: Marseille, Paris, and Bucharest;

Projects deployed throughout Europe. Do you want to put your Node.js and React expertise at the service of useful, high-performance applications designed to evolve? Join Smart IT Conseil.