iOS Engineer

Description

Summary: Join a cross-functional team to design and implement new features, ensuring high-quality user experiences and contributing to the evolution of iOS architecture within a large, modular codebase. Highlights: 1. Empowering conscious consumption with technical innovation 2. Collaborate on impactful user experiences in a large codebase 3. Contribute to iOS architecture and development practices Wallapop is a Barcelona based scale\-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us. Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale \& trust of classifieds with the marketplace's convenience \& reach. Our mission is to enable a connected trade ecosystem, making 2nd\-hand the norm through smart use of technology. **The Challenge** Working on a 10\+ year\-old codebase used by millions, you will join a cross\-functional team dedicated to creating impactful user experiences. Our core technology stack includes: * Our own simplified, TCA\-inspired architecture using RxSwift * Custom dependency injection system * Extensive testing infrastructure, including snapshot\-based integration tests * Modern UIKit and SwiftUI * Performance monitoring and analytics tools * Realm and CoreData * Quick and Nimble * Snapshot Testing * Bazel\-based build system **What You Will Do** * Design and implement new features in alignment with our architectural guidelines. * Collaborate with product and design teams to deliver high\-quality user experiences. * Write clean, maintainable, and testable code. * Engage in code reviews and technical discussions to elevate team standards. * Continuously improve our testing practices and overall code quality. * Contribute to the evolution of our iOS architecture and development practices. * Drive technical decisions that directly impact your team's feature development. **What We're Looking For** * Strong experience with Swift and modern iOS development. * A proven track record of writing clean, scalable, and maintainable code. * Experience working in large, modular codebases within cross\-functional agile teams. * A strong product mindset with a passion for delivering excellent user experiences. **What Would Be A Plus** * Experience with UI/UX polish, custom animations, and iOS accessibility standards. * Solid understanding of reactive programming (RxSwift or Combine). * Experience working on large\-scale, high\-traffic consumer applications. * Familiarity with agentic engineering and AI coding assistants (e.g., Claude Code, GitHub Copilot). Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self\-organizes to decide on cadence and in\-person/remote rituals. Wallapop is an equal\-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone. We sponsor visa processes for international candidates when applicable and provide legal \& admin support along the process combined with a competitive relocation package. Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following **Perks \& Benefits**: * Generous individual learning budget of 2k per year * Free office meals, lunch selection from different providers * Group and individual English, Catalan \& Spanish lessons as part of our working day * Private Health Insurance with Alan * Flexible working hours \+ intensive Fridays * Flexible remuneration to deduct from gross salary (kindergarten/food/transport check) * Gym \& Wellness plan, including physiotherapist in the office * Generous referral Program \& Charity Donation * Bonus for weddings \& newborns * Wallapop Renta (Tax income support) * Monthly plan for free shipping, bumps \& home\-pick\-up on our services * Work anniversary Gifts and Birthday Surprises * Contribution towards your WIFI in your monthly payroll * One\-off payment based on compensation package to go towards setting up your home office * Relocation package (monetary support and legal advice) and visa sponsorship, if applicable * 26 holidays per year * TOP hardware of your choice (latest Apple or Windows) What does **the hiring process** for this position look like? *\*\*Please, note that all interviews take place remotely over hangouts.\*\** * **Intro Call** \- run by Talent Acquisition, focus on providing more information about the role and the company as well as going over your experience, motivation, and expectations. This usually takes 45\-60 minutes. * **Technical Task** \- you will be assigned a test that consists of a coding challenge to assess the technical skills required for the role. You will have up to 7 days to complete it. If you have a recent project that meets the same requirements, you can submit it instead. * **Expertise Interview** \- run by the core team, focusing on the hard skills and the ability to deliver in a given context. This usually takes 60\-90 minutes. * **Stakeholder Interview** \- run by the hiring team and relevant stakeholders, focus on the ability to collaborate \& deliver in a cross\-functional set\-up. This usually takes 60 minutes. * **Culture Interview** \- run by culture interviewers, focus on adherence to Wallapop's purpose and business proposition. This usually takes 60 minutes. * **Offer** \- should you be the right candidate, your offer will be discussed over a call with talent acquisition and will then be confirmed in writing.