Senior Mobile Engineer (React Native)

Posted 2 Days Ago
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Hiring Remotely in Spain
Remote
Senior level
Artificial Intelligence • Software
The Role
Develop and maintain high-performance React Native Mobile SDKs, define API requirements, ensure cross-platform compatibility, write tested and maintainable code, troubleshoot performance and compatibility issues, and mentor engineers. The role also involves collaborating cross-functionally, monitoring mobile performance, applying security and authentication best practices, and contributing to innovation in payments technology. Remote-first work is based in Spain.
Summary Generated by Built In

Senior React Native Engineer 

This role is an opportunity to define hybrid mobile strategy within a large-scale, native mobile ecosystem. The organisation is exploring how to deliver features more efficiently by combining native (Swift/Kotlin) applications with React Native and WebView-based journeys. If you thrive on de-risking emerging technologies and guiding architectural transitions, this role is ideal.

We’re seeking a Senior React Native Engineer who can bridge native and hybrid technologies, run feasibility spikes, and provide guidance on where hybrid delivery is viable and where native implementation remains essential.

The Impact You’ll Make

● Lead technical investigations into the adoption of React Native for selected mobile journeys.
● Define integration strategies between React Native components and existing Swift and Kotlin codebases.
● Quickly identify feasibility constraints and provide clear recommendations on hybrid vs. native choices.
● Build proof-of-concept implementations to validate performance, reliability, and integration patterns.
● Partner with iOS and Android technical architects to create aligned cross-platform delivery plans.
● Provide guidance on dependency management, packaging, and bridging techniques for hybrid components.
● Support experimentation with WebViews for configuration-driven or dynamic features.
● Mentor engineers as hybrid techniques are introduced into the organisation.

Technology Stack & Requirements

● Strong professional experience with React Native, including integration with native modules.
● Proficiency in JavaScript / TypeScript.
● Working knowledge of Swift and Kotlin to support integration within existing native architectures.
● Experience delivering hybrid mobile features in environments with large native applications.
● Understanding of cross-platform performance considerations, constraints, and architectural patterns.

Bonus Points

● Experience scaling hybrid solutions across large engineering organisations.
● Deep familiarity with native module bridging for both iOS and Android.
● Experience with WebView-based solutions in mobile contexts.
● Exposure to complex enterprise mobile environments with multi-team ownership.

What You’ll Bring to Us

● Ability to evaluate feasibility rapidly and articulate architectural trade-offs.
● Practical experience guiding teams through hybrid adoption.
● Strong cross-platform communication skills.
● Balanced, pragmatic thinking combining stability, performance, and delivery considerations.
● Curiosity and a methodical, experimental approach to new technology adoption.

Location

  • Based Spain: Remote first, with flexibility.


Some of the benefits you’ll enjoy working with us:

  • The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built.
  • The opportunity to form part of an amazing, multicultural community of tech experts.
  • A highly competitive compensation package.
  • Medical insurance.


Come and join our #ParserCommunity.

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Skills Required

  • 6+ years of professional experience in software development
  • 2–3 years of experience focused on React Native
  • Strong proficiency in JavaScript, TypeScript, and ES6+
  • Experience building and maintaining React Native SDKs or mobile libraries
  • Deep understanding of mobile performance optimization and debugging techniques
  • Experience integrating RESTful APIs and third-party libraries
  • Strong knowledge of mobile security, authentication, and data-handling best practices
  • Familiarity with CI/CD pipelines, testing frameworks, and mobile automation
  • Understanding of state management such as Redux, Recoil, or similar
  • Excellent written and verbal English communication skills
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The Company
HQ: London
174 Employees
Year Founded: 2018

What We Do

At Parser we help organisations leverage on digital to advance their business strategy. For us, creativity, talent, and passion are indispensable to succeed. This is why we are committed to building, nurturing, and empowering a diverse, multi-disciplinary environment, where every team member can grow professionally and achieve their ambitions, while helping our clients deliver amazing digital products. Thanks to our flexible, distributed model of global operation and the high calibre of our experts, we have enjoyed triple digit growth over the past five years, creating amazing career opportunities for our people across 4 continents. Our services: - Digital Strategy & Transformation We help you understand market trends, relevant technologies, and aligned with your business strategy we create your vision and set the digital direction. This enables you to focus efforts and integrate business and technology across your organisation. - Digital Portfolio Management Based on a clear vision and direction, we help you assess your position, execute your digital strategy and manage your portfolio. We do this by integrating a range of diverse business and technical practises, transforming your organisation in the process. - Product & Service Development We help you create new experiences by designing user journeys that bridge all of the relevant departments of your organisation. By harnessing our ecosystem of specialised talent, we can provide relevant and focused expertise on demand.

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