Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850 M, we are committed to delivering impactful, future-ready solutions. Talan at a Glance Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients.
Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year.
Areas of Expertise Data &
Job Description Contract Type: Temporary / Contract (4 months) We are looking for a Fullstack Developer with at least 3 years of experience in mobile application development using Progressive Web Apps (PWA) to participate in the end-to-end delivery of a React-based mobile project. Please note this is a 4-month temporary contract. The selected candidate will work on a solution with a strong focus on performance, user experience, offline functionality, and efficient data synchronization.
Responsibilities Analyze, design, and develop the project end-to-end. Develop a mobile-first PWA using React and Type Script. Design and develop APIs connected to Postgre SQL. Implement processes for efficient image management and storage.
Implement client-server synchronization processes and offline functionality. Analyze and optimize application performance and architecture. Define mobile-oriented UI/UX solutions. Integrate authentication using OAuth 2.0 with Microsoft.
Handle the deployment of the solution.
Qualifications 3 years of experience in mobile-first PWA development with React and Type Script .
Experience developing APIs with Python/Fast API and/or Node.js .
Experience working with Postgre SQL .
Experience with offline-first applications or limited connectivity environments.
Experience with caching strategies and offline functionality in PWAs. Hands‑on experience with Service Workers and Indexed DB .
Experience in image management and optimization for web/mobile applications.
Experience in client-server synchronization and offline data management.
Experience with OAuth 2.0 and/or Microsoft Entra ID (Azure AD).
Experience with deployments on AWS and/or Azure .
Experience in web/mobile performance optimization. Strong understanding of mobile-oriented UI/UX. Ability to work autonomously and contribute to architectural decisions. Nice to Have / Optional Experience with offline-first architectures and data synchronization conflict resolution.
Experience with Microsoft Graph API, particularly integration with Microsoft Teams and email services for sending notifications.
Information B2 B or freelancer contract. Remote position working in the Spain time zone. Be part of a multicultural team working on international projects. Temporary / Contract (4 months) If you are passionate about data, development & tech, we want to meet you!
Spain’s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).
¿Te interesa este puesto?