Senior React Native Engineer

hace 2 semanas

Ciudad de México, Ciudad de México Gramian Consulting Group A tiempo completo

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.

Role Overview

We are supporting a global SaaS product in the media intelligence / social data analytics domain, used by enterprise customers to monitor, analyze, and act on large volumes of real-time content.

We're looking for a Senior React Native Engineer with strong native iOS experience to help us build the next generation of the mobile products. This is a hands-on senior role for a self-driven engineer who thrives in collaborative environments, takes full ownership of their work, and is passionate about crafting high-quality mobile experiences that scale.

You'll work across our React Native, native iOS (Swift), and native Android codebases (Java/Kotlin), collaborating closely with designers, backend engineers, and product managers to deliver intuitive, performant, and reliable apps used by thousands of customers globally. Our mobile stack is evolving—modernizing legacy iOS code (RestKit, UIKit) into React Native with shared business logic and modular architecture. You'll play a key role in this transformation.

Duration: 3-6 months (extention possible)

Commitment: Full-time

Model: Contract, time and material

Location: Remote/Hybrid in Mexico

Key Responsibilities

  • Lead the development of new features and enhancements in React Native, integrating with existing native iOS (Swift) components.
  • Collaborate with backend and web teams to design and implement APIs, data flows, and modern architecture patterns (MVVM, VIPER, or similar).
  • Maintain and improve our CI/CD pipelines (e.g., GitHub Actions, Fastlane) for build reliability and release automation.
  • Own the end-to-end delivery of mobile features—from requirements and technical design to testing and deployment.
  • Drive code quality, performance optimization, and technical excellence across the team.
  • Partner with Product and Design to refine scope, improve usability, and ensure smooth handoffs.
  • Help mentor junior and mid-level engineers, providing code reviews and technical guidance.
  • Contribute to defining and evolving our mobile architecture strategy as we migrate to a unified React Native codebase.
Requirements
  • 5+ years of professional mobile development experience, with at least 4+ years in React Native and 1+ years in iOS (Swift).
  • Deep understanding of React Native workflows, native module bridging, and mobile build cycles.
  • Proven experience with modern iOS architecture patterns (VIPER, MVVM, or Clean Architecture).
  • Strong knowledge of Swift, UIKit, and SwiftUI fundamentals.
  • Familiarity with mobile CI/CD systems and automated build pipelines (Fastlane, GitHub Actions, Bitrise, etc.).
  • Solid understanding of RESTful APIs, JSON parsing, and real-time/SSE data flows.
  • Experience integrating with third-party SDKs such as Auth0, Firebase, and social login providers.
  • Strong collaboration and communication skills—able to work cross-functionally in an agile, globally distributed team.
  • A self-starter who takes ownership, identifies improvements, and delivers results without heavy supervision.
Benefits
  • Work in a fully remote environment.
  • Opportunity to work on cutting-edge AI projects with leading LLM companies.

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