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Senior Full-Stack Engineer - Mobile

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wikifolio Financial Technologies AG

Job

  • Level
    Senior
  • Job Feld
    Web, Mobile, Full Stack
  • Anstellung
    Vollzeit
  • Vertragsart
    Unbefristetes Dienstverhältnis
  • Gehalt
    ab 4.350 € Brutto/Monat
  • Ort
    Wien
  • Arbeitsmodell
    Onsite

    • Job Zusammenfassung

    In dieser Position entwickelst du mobile Anwendungen mit React Native und implementierst Backend-Dienste mit NestJS, um robuste, sichere Lösungen für Finanzanwendungen bereitzustellen und technische Herausforderungen zu meistern.

    Job Technologien

    Deine Rolle im Team

    • As our Senior Full-Stack Engineer - Mobile, you will play a key role in building and evolving our mobile applications and their supporting backend services.
    • You will work within the App Team alongside the Team Lead and cross-functional partners to deliver robust, scalable, and secure solutions for our customers.
    • This role focuses on developing high-quality mobile experiences using React Native while also designing and implementing backend services using NestJS, tailored to the needs of mobile clients.
    • You will contribute to architectural decisions, drive technical quality, and support production systems in a fintech environment where reliability and performance are critical.
    • Lead the development of mobile application features for iOS and Android using React Native.
    • Design, implement, and maintain backend services using NestJS, exposing REST and/or GraphQL APIs for mobile clients.
    • Collaborate closely with the Team Lead, Product Management, Design, and Backend teams to align on requirements and technical solutions.
    • Take ownership of end-to-end feature delivery across mobile client and backend layers.
    • Ensure high standards of code quality through code reviews, refactoring, and adherence to best practices.
    • Improve application performance, stability, and scalability on both client and backend sides.
    • Implement and maintain testing strategies across mobile and backend components.
    • Contribute to and improve CI/CD pipelines for mobile and backend services.
    • Participate in on-call rotations, production support, and incident response.
    • Identify and proactively address technical debt and architectural challenges.
    • Stay up to date with React Native, NestJS, and full-stack development best practices.

    Unsere Erwartungen an dich

    Qualifikationen

    • Strong proficiency in TypeScript and JavaScript.
    • Solid understanding of iOS and Android platform-specific considerations.
    • Working knowledge of Docker for development and deployment.
    • Proficiency with Git and modern version control workflows.
    • Willingness to participate in on-call duties, production support, and incident response.
    • An interest in financial markets is required.
    • Strong verbal and written communication skills in English.
    • Knowledge of mobile security best practices is a plus.
    • Exposure to performance profiling and monitoring tools is a plus.

    Erfahrung

    • Senior-level experience in mobile application development.
    • 5+ years of experience with React Native.
    • 2-3+ years of backend development experience using Node.js frameworks, preferably NestJS.
    • Experience building and consuming REST APIs; GraphQL experience is a plus.
    • Experience with state management and performance optimization in mobile applications.
    • Experience with CI/CD pipelines for mobile and backend applications.
    • Familiarity with authentication and authorization concepts; experience with OAuth and JWT is a strong plus.
    • Experience with PostgreSQL and ORMs such as TypeORM is a plus.
    • Cloud experience on AWS, Azure, or GCP is a plus.
    • Experience with mobile and backend testing frameworks is a plus.

    Benefits

    Work-Life-Integration

    Gesundheit, Fitness & Fun

    Job Standorte

    Map of company locations

    • Standort Wien

      Österreich

    Themen mit denen du dich im Job beschäftigst

    Das ist dein Arbeitgeber

    wikifolio Financial Technologies AG

    wikifolio Financial Technologies AG

    Wien

    wikifolio.com ist ein dynamisches und innovatives Unternehmen mit Sitz in Wien, das sich zum Ziel gesetzt hat, Social Trading als bevorzugte Alternative für europäische Privatanleger zu etablieren.

    Description

  • Unternehmenstyp
    Startup
  • Arbeitsmodell
    Full Remote, Hybrid, Onsite
  • Branche
    Internet, IT, Telekom
    • Logo wikifolio Financial Technologies AG

    Senior Full-Stack Engineer - Mobile

    wikifolio Financial Technologies AG
    Gehalt
    ab 4.350 € Brutto/Monat
    Ort
    Wien
    Arbeitsmodell
    Onsite
    Diversität
    Für alle Personen geeignet (m/w/d)

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