Mobile-First Fullstack Engineer (React/TS) – 4-month Contract

Talan Group; Bogotá; Hybrid; COP 206,117,021 - 309,175,532; Full time

Benefits offered by this job

Remote in Spain time zone

Multicultural team

Job summary

Talan is seeking a fullstack developer with 3+ years of mobile-first PWA experience using React and TypeScript to contribute to a 4-month contract. The role centers on a React-based mobile project with emphasis on performance, offline capability, and efficient data synchronization.

You will design APIs connected to PostgreSQL, implement OAuth 2.0 authentication, and work on deployments to AWS/Azure in a remote setting aligned to Spain time zones with an international team.

Qualifications

• 3+ years of mobile-first PWA development with React and TypeScript.
• API development with Python/FastAPI and/or Node.js.
• Experience with PostgreSQL.
• Offline-first applications or limited connectivity environments.
• Caching strategies and offline functionality in PWAs.
• Hands-on experience with Service Workers and IndexedDB.
• Image management and optimization for web/mobile apps.
• Client-server synchronization and offline data management.
• OAuth 2.0 / Microsoft Entra ID (Azure AD) experience.
• Deployments on AWS and/or Azure.
• Web/mobile performance optimization and mobile-oriented UI/UX.
• Autonomous work style and architectural input.

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 image management and storage processes.
• Implement client-server synchronization and offline functionality.
• Analyze and optimize performance and architecture.
• Define mobile-oriented UI/UX solutions.
• Integrate OAuth 2.0 authentication with Microsoft.
• Handle the deployment of the solution.

Skills

React

TypeScript

PWA development

Python/FastAPI

Node.js

PostgreSQL

Offline-first PWAs

Service Workers

IndexedDB

OAuth 2.0/Azure AD

AWS/Azure deployments

UI/UX for mobile

Data synchronization

Tools

AWS

Azure

PostgreSQL

Job description

Talan is seeking a fullstack developer with 3+ years of mobile-first PWA experience using React and TypeScript to contribute to a 4-month contract. The role centers on a React-based mobile project with emphasis on performance, offline capability, and efficient data synchronization.

You will design APIs connected to PostgreSQL, implement OAuth 2.0 authentication, and work on deployments to AWS/Azure in a remote setting aligned to Spain time zones with an international team.