iOS Engineer Intern (iOS, Design System)

TL;DR

iOS Engineer Intern (iOS, Design System): Contributing to the mobile design system for the hirify.global iOS app with an accent on building reusable UI components and improving developer tooling. Focus on strengthening foundations in component-based architecture, design tokens, theming, and modular design patterns.

Location: Hybrid in Barcelona, Spain, with 2 remote days a week and 1 remote work week per quarter. You must be authorized to work in Spain (EU Nationality or in possession of a valid student visa/work permit).

Company

hirify.global is a global marketplace for refurbished devices, dedicated to making tech reliable, affordable, and better than new, thereby lowering environmental impact.

What you will do

• Build and maintain reusable iOS UI components for the design system, ensuring quality and accessibility.
• Develop native iOS code in Swift and SwiftUI, focusing on component-based architecture, design tokens, and modular patterns.
• Collaborate with designers and product engineers to translate design specifications into flexible, production-ready components.
• Participate in technical design discussions for new components and design system improvements.
• Contribute to enhancing developer experience through clear documentation, usage examples, and tooling.
• Support SwiftUI adoption, create migration guides, and modernize legacy UIKit components.
• Ensure component quality and consistency by writing Unit tests, snapshot tests, and visual regression tests.

Requirements

• Master’s degree student in Computer Science, with a priority for Mobile Development, specifically iOS engineering.
• Knowledge of Swift and ideally frameworks like SwiftUI and UIKit.
• Basic programming experience (GitHub, personal, student projects, or other internships).
• Knowledge of developing new features using SwiftUI and Design Systems.
• Detail-oriented and capable of working in an international team.
• English: Fluent required.
• Availability for a 6-month, full-time internship (30-35h/week) in Barcelona from January/February 2026 - June/July 2026.
• Your school must be able to provide an internship agreement.
• Authorized to work in Spain (EU Nationality or in possession of a valid student visa/work permit).

Nice to have

• Knowledge of Spanish and/or French.

Culture & Benefits

• Mission-driven work environment where your daily contributions impact the planet.
• Hybrid work setup: 2 remote days per week, 1 remote work week per quarter, and 3 flex days.
• Access to Employee Resource Groups, including mentorship programs and comprehensive accessibility policies.
• Commitment to diversity, equity, and inclusion embedded into company values.
• Hands-on career development in an innovative, driven, and fast-paced environment.

Hiring process

• Interview with the Campus Tech Recruitment Manager (30min).
• Technical fit interview (live-coding/Q&A) with the tutor (45-60min).
• Team fit interview with two engineers from the team (30min).