ppTalan 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. /p pbTalan at a Glance /b /p pHeadquartered 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. /p pbOur Core Areas of Expertise /b /p pbData Technologies: /b 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. /p pbCloud Application Services: /b We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency. /p pbManagement Innovation Consulting: /b 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. /p pbWe work with major general clients across diverse sectors, including Transport Logistics, Financial Services, Energy Utilities, Retail, and Media Telecommunications. /b /p h3Job Description /h3 pbContract Type: /b Temporary / Contract (4 months)



/p pWe are looking for a bFullstack Developer /b 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. bPlease note this is a 4-month temporary contract. /b /p pThe selected candidate will work on a solution with a strong focus on performance, user experience, offline functionality, and efficient data synchronization. /p h3Responsibilities /h3 pAnalyze, design, and develop the project end-to-end. /p pDevelop a mobile-first PWA using React and TypeScript. /p pDesign and develop APIs connected to PostgreSQL. /p pImplement processes for efficient image management and storage. /p pImplement client-server synchronization processes and offline functionality. /p pAnalyze and optimize application performance and architecture. /p pDefine mobile-oriented UI/UX solutions. /p pIntegrate authentication using OAuth 2.0 with Microsoft. /p pHandle the deployment of the solution. /p h3Qualifications /h3 pb3+ years of experience /b in mobile-first PWA development with bReact and TypeScript /b. /p pExperience developing APIs with bPython/FastAPI and/or Node.js /b. /p pExperience working with bPostgreSQL /b.



/p pExperience with boffline-first applications /b or limited connectivity environments. /p pExperience with caching strategies and offline functionality in PWAs. /p pHands‑on experience with bService Workers and IndexedDB /b. /p pExperience in image management and optimization for web/mobile applications. /p pExperience in client-server synchronization and offline data management. /p pExperience with OAuth 2.0 and/or Microsoft Entra ID (Azure AD). /p pExperience with deployments on bAWS and/or Azure /b. /p pExperience in web/mobile performance optimization. /p pStrong understanding of mobile-oriented UI/UX. /p pAbility to work autonomously and contribute to architectural decisions. /p pbNice to Have / Optional /b /p pExperience with offline-first architectures and data synchronization conflict resolution. /p pExperience with Microsoft Graph API, particularly integration with Microsoft Teams and email services for sending notifications. /p h3Additional Information /h3 ulliB2B or freelancer contract. /li /ul pRemote position working in the Spain time zone. /p pBe part of a multicultural team working on international projects. /p pTemporary / Contract (4 months) /p pbIf you are passionate about data, development tech, we want to meet you! /b /p pTalan 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). /p /p #J-18808-Ljbffr

📌 Fullstack Engineer - React & Node/Python (PWA Specialty) (España)
🏢 Talan
📍 España