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Software Engineer - Mobile Development (Crypto Wallets) - 100% Remote

Tether

A distancia

EUR 40.000 - 60.000

Jornada completa

Ayer
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Descripción de la vacante

A leading fintech company based in Madrid is seeking a Software Engineer specializing in Mobile Development. You will be responsible for creating high-performance mobile applications, integrating crypto wallets, and collaborating with diverse teams to deliver innovative solutions. The role requires at least 3 years of experience with React and React-Native, along with strong JavaScript skills. This is a full-time position with a focus on pioneering digital finance. The position is fully remote.

Formación

  • 3+ years of experience with React, React-Native (mainly Expo), and Redux.
  • Highly proficient in JavaScript and ES6+.
  • Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android).

Responsabilidades

  • Design and build advanced, secure cross‑platform applications using React Native.
  • Collaborate with UI/UX designers for intuitive applications.
  • Integrate JavaScript SDKs and backend services into applications.

Conocimientos

React
JavaScript
React-Native
CI/CD pipelines
WebSockets
Descripción del empleo

Software Engineer - Mobile Development (Crypto Wallets) - 100% Remote

Tether, Madrid, Community of Madrid, Spain

Join Tether and Shape the Future of Digital Finance

At Tether, we’re building products that pioneer a global financial revolution. Our cutting‑edge solutions empower businesses — from exchanges and wallets to payment processors and ATMs — to seamlessly integrate reserve‑backed tokens across blockchains. By harnessing blockchain technology, Tether enables instant, secure, global digital token transactions at a fraction of the cost, all while prioritising transparency and trust.

About the Job

The role involves working in a dynamic environment with a diverse team of senior backend developers, product managers and leadership to build mobile versions of our AI solutions. Applications are designed to be high‑performance, lightweight and highly intuitive to cater to a variety of audiences. You will develop cutting‑edge mobile applications integrating crypto wallets and DeFi features.

Responsibilities
  • Design and build advanced, secure cross‑platform (iOS / Android) applications using React Native.
  • Collaborate with UI / UX designers to ensure applications are visually appealing and intuitive.
  • Integrate JavaScript SDKs, libraries and backend services into mobile applications.
  • Work closely with backend developers to implement RESTful APIs, WebSockets and C++ native modules.
  • Collaborate with product managers, designers and other developers to deliver innovative solutions.
Qualifications
  • 3+ years of experience with React, React‑Native (mainly Expo), and Redux.
  • Highly proficient in JavaScript and ES6+.
  • Experience with CI / CD pipelines for mobile development.
  • Familiarity with modern front‑end pipelines and tools.
  • Experience with native modules (C++), WebSockets, and RESTful APIs.
  • Experience in Swift / Objective‑C (iOS) or Kotlin / Java (Android) for low‑level implementation.
  • Excellent English communication skills.
Important Information for Candidates

Recruitment scams are common. Please keep the following in mind when applying :

  • Apply only through our official channels; we do not use third‑party platforms or agencies unless clearly stated.
  • All open roles are listed on our official careers page.
  • All recruiters have verified LinkedIn profiles and are listed on the careers page.
  • All communication is conducted through official company emails and platforms.
  • All emails from us will end with tether.io.
  • We will never request payment or personal financial information.
  • If you encounter suspicious requests, please report them immediately and verify the recruiter’s identity via our website.
Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Information Technology

Industries

Software Development

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