Senior React Engineer (Mobile & Web)

Zeelo Limited; A distancia; COP 220.304.000 - 293.740.000; Jornada completa

Descripción de la vacante

A leading transportation technology company is seeking a Senior React Engineer to develop next-generation web and mobile applications. You'll collaborate with design and backend teams to create performant user experiences using React and React Native. The ideal candidate has over 5 years of experience in building applications, with expertise in modern design patterns and performance optimization. This role focuses on creating accessible and high-quality applications that impact daily commuters.

Formación

• 5+ years of professional experience building production web and/or mobile applications.
• Deep understanding of React and modern design patterns.
• Strong grasp of performance optimization and responsive design.

Responsabilidades

• Build responsive, accessible applications using React and React Native.
• Implement clean, modern UI architecture and reusable component systems.
• Collaborate with designers and backend engineers to deliver features.

Conocimientos

React

React Native

TypeScript

Performance Optimization

Accessibility (WCAG 2.1 AA)

Unit Testing

Herramientas

Expo

Jest

Firebase

Descripción del empleo

At Zeelo, we’re on a mission to revolutionize how frontline workers commute by delivering reliable, sustainable, and scalable transportation solutions. We partner with global leaders like Amazon, Barclays, and UPS—and we’re expanding fast after a successful Series B raise.

We’re now embarking on the build of our next-generation platform, re-imagining how people move between work, school, and home through modern software, automation, and data. If you’re passionate about creating beautiful, high-performing web and mobile experiences that impact thousands of daily riders, this is your seat on the bus.

About the role:

We’re looking for a Senior React Engineer to help lead the development of Zeelo’s next-generation web and mobile applications. You’ll work closely with design, product, and backend teams to deliver accessible, performant, and maintainable user experiences across both React and React Native (Expo) environments.

What You’ll Do

• Build responsive, accessible applications using React and React Native / Expo with TypeScript.
• Implement clean, modern UI architecture and reusable component systems.
• Collaborate with designers and backend engineers to deliver features end-to-end.
• Own testing strategy (unit, integration, E2E) and contribute to CI/CD quality pipelines.
• Optimize applications for performance, accessibility, and localization.
• Support app store releases, OTA updates, and ongoing monitoring with Sentry and Firebase.

What We’re Looking For

• 5+ years of professional experience building production web and/or mobile applications.
• Deep understanding of React, hooks, context, and modern design patterns.
• Experience with Expo managed workflow, React Native, and EAS build tools.
• Familiarity with TanStack Query, Zustand, MobX, or similar state management libraries.
• Proven experience implementing testing frameworks (Jest, Vitest, React Testing Library, Playwright).
• Strong grasp of performance optimization, accessibility (WCAG 2.1 AA), and responsive design.

Bonus Points

• Experience with Framer Motion, Reanimated, or advanced animation libraries.
• Exposure to PWA development, offline-first strategies, or hybrid architectures.
• Experience integrating analytics, A/B testing, and modern observability tooling.
• Excitement for exploring new tools and applying AI-assisted development to improve velocity and quality.