Application Developer – iOS

Join a dynamic project focused on developing an innovative cognitive assistant app for iOS. This opportunity is ideal for a freelance developer seeking hands-on experience in a long-term, ongoing personal project environment. The role is based in Barcelona, Spain, and requires a hybrid work arrangement, with most work performed on site. You will collaborate closely with a product manager and system architect to bring a new digital assistant concept to life, contributing to both the technical and creative aspects of the application.

Deliverables

• Develop and maintain the iOS application for the cognitive assistant, ensuring robust performance and user-friendly design.
• Collaborate on feature ideation, prototyping, and implementation in alignment with project goals.
• Integrate APIs and third-party services as needed to enhance app functionality.
• Conduct regular testing, debugging, and optimization to ensure a seamless user experience.
• Participate in code reviews and provide constructive feedback to improve code quality.
• Document development processes and technical decisions for future reference.
  
  

Requirements

• Basic to junior-level experience in iOS development, with proficiency in Swift and Xcode.
• Familiarity with iOS UI/UX design principles and Apple’s Human Interface Guidelines.
• Ability to work independently and collaboratively in a hybrid, on-site setting in Barcelona.
• Strong problem-solving skills and a willingness to learn new technologies.
• Good communication skills and the ability to follow project specifications.
• Must be eligible to work in Spain and available for regular on-site collaboration.
• Prior experience with personal assistant or AI-driven apps is a plus but not required.
  
  

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.