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Senior Mobile Engineer ( React Native)

Senior Mobile Engineer ( React Native)

Zartis, , Spain, España
Hace 3 días
Descripción del trabajo

Overview

The company and our mission : Zartis is a digital solutions provider working across technology strategy, software engineering and product development. We partner with firms across financial services, MedTech, media, logistics technology, renewable energy, EdTech, e-commerce, and more. Our engineering hubs in EMEA and LATAM are full of talented professionals delivering business success and digital improvement across application development, software architecture, CI / CD, business intelligence, QA automation, and new technology integrations. We are looking for a Senior Mobile Engineer to work on a project in the fintech industry.

What you will do

  • Develop and maintain scalable, reusable mobile components using React Native.
  • Translate UI / UX designs into responsive, native-feeling mobile interfaces.
  • Manage application state using tools like Redux or Context API.
  • Integrate mobile apps with backend APIs and handle data synchronization.
  • Optimize mobile performance, responsiveness, and app launch times. Write clean, maintainable, and well-documented code following best practices.
  • Participate in code reviews, testing and debugging.
  • Contribute to the development of SDKs for internal or external use.
  • Create or modify native modules when deeper integration with iOS / Android platforms is required.

What you will bring

  • You’re a mobile developer with proven experience building production-ready applications in React Native.
  • You care deeply about user experience, code quality, and performance, and you’re comfortable working across the stack when needed.
  • Solid experience with React Native and modern JavaScript (ES6+), with a strong understanding of component-based architecture and hooks. Experience managing mobile app state using Redux and Context API.
  • Familiarity with integrating RESTful APIs and handling asynchronous data flows
  • Understanding of mobile platform-specific behaviours, performance optimizations, and best practices for both Android and iOS.
  • Ability to write clean, reusable, and well-documented code.
  • Experience with version control tools like Git and agile development workflows.
  • Exposure to writing or maintaining native modules (Java / Kotlin for Android, Swift / Objective-C for iOS) is a plus.
  • Familiarity with building and maintaining SDKs or shared libraries.
  • Strong communication skills and a collaborative mindset, with a focus on continuous learning and team contribution.

    • What we offer

  • 100%Remote Work
  • WFH allowance : Monthly payment as financial support for remote working.
  • Career Growth : We have established a career development program accessible for all employees with a 360º feedback that will help us to guide you in your career progression.
  • Training : For Tech training at Zartis, you have time allocated during the week at your disposal. You can request from a variety of options, such as online courses (from Pluralsight and Educative.io), English classes, books, conferences, and events.
  • Mentoring Program : You can become a mentor in Zartis or you can receive mentorship, or both.
  • Zartis Wellbeing Hub (Kara Connect) : A platform that provides sessions with a range of specialists, including mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars with such professionals as well.
  • Multicultural working environment : We organize tech events, webinars, parties, and activities to do online team-building games and contests.

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    Senior Mobile Native • , , Spain, España