Senior React Native Engineer (Mobile Team) in Barcelona


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Job Description

Founded in 2012 and backed by some of the world's leading investors, Preply is a global language learning marketplace that connects 15,000 tutors with tens of thousands of students from across the globe. We're continually improving our product through A/B experimentation and need your help to build a product that delivers life-changing language education to the world! Learn more in "Some more about us..." below.

Come join our Mobile Team!

Our Mobile Activation team focuses on building and improving a mobile user’s journey as we onboard them to becoming a regular Preply student. We want them to have a safe and smooth experience as they install our App, find and engage with tutors, all the way through making their first payment. We are currently searching for a React Native engineer who is passionate about crafting great mobile experiences and understands the challenges of designing for mobile versus desktop. Our app development tech stack and approaches are:Our app development tech stack and approaches are:

  • React / React Native
  • GraphQL API only
  • TTypeScript
  • Cross-Platform ideas to share code & skills between platforms (WEB, iOS & Android)

Visit our Tech Radar to learn more about the technologies we use at Preply.

As a Senior React Native Engineer, you will:

  • Independently implement flow/logic (not UI) for new features with full ownership
  • Ownership key areas of the application
  • Support and improving our app architecture
  • Solve native iOS/Android issues
  • Solve complex Animation cases

What we are looking for:

  • A great collaborator with excellent communication skills
  • Strong understanding of mobile development (building, debugging, testing, releasing)
  • You can work in a Mac OS only development environment
  • You have multiple iOS/Android apps in production
  • Have developed for the Web before
  • Confident using ES6+, Node.js, React and React Native ecosystem
  • Strong test coverage skills (We use Jest and Detox)
  • Bonus skills: GraphQL, TypeScript, BDD/TDD
  • Bonus skills: can write native modules, native iOS/Android development
  • High level of self-organization, ownership and responsibility
  • Minimum B2 English level

What we offer:

  • An opportunity for personal and professional growth, supported by high functioning teams, stellar investors and the exciting challenges that come with joining a company at the start of its growth trajectory.
  • An environment free of bureaucracy and corporate constraints; a culture where your opinion is highly valued and appreciated.
  • An open, collaborative, dynamic and international culture.
  • A monthly allowance for self-development on
  • A competitive financial package, with generous leave allowance and health insurance.

Some more about us...

Backed by some of the world’s leading investors, Preply is on a mission to shape the future of effective learning. Fueled by a belief that live engagement with a teacher is still the most effective way to learn a new skill, Preply is building a personalized learning space that will enable people to reach their goals in the fastest way possible.


We have diverse technical challenges (sometimes we write about them on our Engineering Blog) that will allow you to develop your skills across our stack. We also A/B test most of our changes in production, both from a product and a technical perspective before scaling it to all customers.

Our values:

  • Human: We speak honestly and directly with compassion and radical candor. We believe every interaction should be friendly, personalized, diverse and inclusive. Above all, we believe fun should be apart of everything we do
  • Customer Obsession: We put our customers first by asking for feedback and analyzing the data to build products they love.
  • Hungry: Our will to win is unmatched. We make bold, data-informed decisions, to quickly deliver value to our customers. We dare to dream big, think like co-owners, and go the extra mile to hire others who share our champion spirit.
  • Humble: We keep our egos low, constantly learn, and trust in data to make smart decisions. We know that our knowledge is imperfect and incomplete, but not stagnant. There's always more to learn from each other, our customers, and the world around us.
  • Curious: We are lifelong learners. Our curiosity helps us to view tough situations more creatively. We kill the noise and go deep on insights. We face challenges head on, and consistently seek opportunities to learn more.
  • Hackers: We’re obsessed with our customer’s problems. We focus on what matters, design with pragmatism, and move with incredible speed to create simple, creative, and scalable solutions.

Diversity, Equity, and Inclusion: is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed-Tech company. That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.


About Preply

  • Edtech

  • Brighton, MA

  • 50-200

  • 2012


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