Fullstack Engineer - React & Node/Python (PWA Specialty)
- Full-time
- Contract Type: Long term contract
Company Description
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 €850M, 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.
Our Core Areas of Expertise
Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.
Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.
Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.
We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.
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 TypeScript.
Design and develop APIs connected to PostgreSQL.
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 TypeScript .
Experience developing APIs with Python/FastAPI and/or Node.js .
Experience working with PostgreSQL .
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 IndexedDB .
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.
Spanish at fluent or native level is Mandatory
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.
Additional Information
- B2B or freelancer contract.
Remote position working in the Spain time zone.
Temporary / Contract (4 months)
Talan 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).
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