Senior Mobile Fullstack Engineer (Node.js + React Native)

Vacancy details
Software Engineering
JavaScript Engineer (NodeJS)
Senior
Bulgaria, 
Croatia, 
Poland, 
Portugal, 
Spain, 
Ukraine
Remote

We are seeking a Senior Mobile Engineer with strong expertise in React Native for cross-platform mobile app development and solid backend development experience using Node.js. You will play a key role in designing, building, and maintaining scalable mobile applications and backend services, while collaborating closely with product managers, designers, and other engineers.

What project we have for you

Project is a development of a new hybrid mobile application (iOS + Android) designed specifically to support family caregivers of those with Alzheimer’s disease.

What you will do

  • Lead the development of high-quality, scalable, and performant mobile applications using React Native.
  • Design and implement robust backend services and APIs with Node.js.
  • Optimize app performance across Android and iOS platforms.
  • Participate in architectural decisions and code reviews, enforcing best practices in mobile and backend development.
  • Mentor junior engineers and contribute to a culture of continuous improvement.
  • Collaborate cross-functionally with UI/UX designers, QA, and product managers to deliver a seamless user experience.
  • Ensure application security, stability, and scalability through effective engineering practices.
  • Implement CI/CD pipelines and maintain automated testing frameworks.

What you need for this

  • 5+ years of software development experience, with at least 3+ years in mobile development using React Native.
  • 3+ years of experience building backend services with Node.js.
  • Proficiency with JavaScript and TypeScript.
  • Deep understanding of mobile app architecture, navigation patterns, and performance optimization.
  • Familiarity with RESTful APIs, GraphQL, and third-party API integrations.
  • Experience with mobile debugging, logging, and analytics tools (e.g., Flipper, Firebase, Sentry).
  • Experience with cloud services such as AWS, Google Cloud, or Azure.
  • Knowledge of CI/CD tools and mobile app deployment (App Store, Google Play).
  • Strong understanding of version control (Git) and Agile methodologies.
  • Excellent problem-solving and communication skills.

Nice to Have

  • Experience with state management tools like Redux, Zustand, or Recoil.
  • Knowledge of native development (Swift, Objective-C, Kotlin, or Java).
  • Experience with Docker and containerized backend services.

What it’s like to work at Intellias

At Intellias, where technology takes center stage, people always come before processes. By creating a comfortable atmosphere in our team, we empower individuals to unlock their true potential and achieve extraordinary results. That’s why we offer a range of benefits that support your well-being and charge your professional growth.
We are committed to fostering equity, diversity, and inclusion as an equal opportunity employer. All applicants will be considered for employment without discrimination based on race, color, religion, age, gender, nationality, disability, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by applicable law.
We welcome and celebrate the uniqueness of every individual. Join Intellias for a career where your perspectives and contributions are vital to our shared success.

Skills

Docker
Mobile
Node.js
ReactNative

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