Mobile / Frontend Engineer Lisboa

Mobile / Frontend Engineer
Lisboa
Lisboa, Lisboa, Portugal

About Us:

Sleeper is a rapidly evolving social platform designed to connect sports fans across the globe. By leveraging innovative technology, we aim to create a vibrant, engaging community where users can celebrate, compete, and share their passion for sports. We are expanding our football (soccer) engineering capabilities and are looking for a Mobile/Frontend Engineer to help us deliver fast, beautiful, and engaging user experiences.

Job Description:

As a Mobile/Frontend Engineer, you will be responsible for building and refining native mobile interfaces, with a focus on performance, polish, and usability. You'll work closely with backend engineers, designers, and product managers to create frontend logic and display systems that bring live sports content to life for our users.

Responsibilities:

• Develop and maintain mobile and frontend components using React Native and Type
  Script
• Implement state management and reusable component architecture
• Collaborate with product and design to implement intuitive and performant user interfaces
• Ensure a consistent and engaging user experience across platforms
• Identify and resolve performance issues, UI bugs, and layout inconsistencies

Requirements:

• 3+ years of experience with mobile or frontend development
• Strong proficiency in React Native, React, and Type
  Script
• Deep understanding of mobile UX/UI patterns and performance optimization
• Experience consuming Graph
  QL APIs
• Strong debugging and
  - specific development skills

Preferred Qualifications:

• Background in
  - first product environments
• Familiarity with animation libraries and user interaction best practices
• Interest in sports products or
  - time applications

Benefits:

• Flexible work hours and
  - friendly culture
• A
  - moving, passionate team focused on sports and technology
• Opportunities for ownership and growth in mobile product development