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wikifolio Financial Technologies AG
21d ago

Senior Full-Stack Engineer - Mobile(m/w/x)

Wien
from 4,350 / month
Full-timeOn-siteSenior

Description

In this role, you will be at the forefront of developing mobile applications and backend services, ensuring a seamless user experience across platforms. Your day-to-day responsibilities will involve collaborating with various teams, enhancing code quality, and tackling technical challenges to deliver high-performance solutions.

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Requirements

  • •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
  • •Strong proficiency in TypeScript and JavaScript
  • •Experience building and consuming REST APIs; GraphQL experience is a plus
  • •Solid understanding of iOS and Android platform-specific considerations
  • •Experience with state management and performance optimization in mobile applications
  • •Working knowledge of Docker for development and deployment
  • •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
  • •Proficiency with Git and modern version control workflows
  • •Willingness to participate in on-call duties, production support, and incident response
  • •Interest in financial markets
  • •Strong verbal and written communication skills in English
  • •Experience with PostgreSQL and ORMs such as TypeORM
  • •Cloud experience on AWS, Azure, or GCP
  • •Knowledge of mobile security best practices
  • •Experience with mobile and backend testing frameworks
  • •Exposure to performance profiling and monitoring tools

Work Experience

5 years

Tasks

  • •Lead development of mobile application features for iOS and Android using React Native
  • •Design, implement, and maintain backend services using NestJS
  • •Expose REST and/or GraphQL APIs for mobile clients
  • •Collaborate with Team Lead, Product Management, Design, and Backend teams on requirements and solutions
  • •Take ownership of end-to-end feature delivery across mobile and backend layers
  • •Ensure high code quality through reviews, refactoring, and best practices
  • •Improve application performance, stability, and scalability on client and backend sides
  • •Implement and maintain testing strategies for mobile and backend components
  • •Contribute to and enhance CI/CD pipelines for mobile and backend services
  • •Participate in on-call rotations, production support, and incident response
  • •Identify and address technical debt and architectural challenges proactively
  • •Stay updated with React Native, NestJS, and full-stack development best practices

Tools & Technologies

React NativeNode.jsTypeScriptJavaScriptDockerCI/CDPostgreSQLAWSAzureGCP

Languages

English – Business Fluent

Find the original job posting in its most current version here. Nejo automatically captured this job from the website of wikifolio Financial Technologies AG and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.
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