iOS Engineer

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 🧩

We’re evolving a 10+ year-old codebase with over 18 iOS engineers contributing daily, balancing legacy challenges with modern architecture and tooling. Our tech stack includes:

• A custom, TCA-inspired architecture powered by RxSwift
• Internal dependency injection system
• A robust testing culture with snapshot-based integration tests
• Modern UIKit and expanding SwiftUI adoption
• Data persistence with Realm and CoreData
• Tools for performance monitoring and analytics
• Testing frameworks like Quick/Nimble and Snapshot Testing

 

What You Will Do 👇

You’ll drive high-quality product experiences while helping the team grow, you will:

• Contribute hands-on while being accountable for cross-team delivery, ensuring initiatives are aligned with both technical best practices and product goals
• Collaborate with design, product and engineering leadership to frame and deliver scalable, high-quality solutions
• Act as a technical reference within your tribe, supporting consistent implementation across teams
• Coordinate with other platforms to ensure a cohesive, cross-platform experience
• Help improve our architecture, tooling, and performance practices
• Mentor peers through code reviews, pairing, and knowledge sharing
• Apply a product-first mindset, balancing user value with technical excellence

 

What We’re Looking For 🔎

• Strong hands-on experience with Swift and iOS development
• Ability to balance technical trade-offs with product impact
• Solid understanding of architecture principles and code quality standards
• Experience in collaborative, multi-team codebases
• Familiarity with RxSwift or other reactive programming paradigms
• Strong collaboration and communication skills
• Comfortable working cross-functionally in a fast-evolving environment

 

What Would Be A Plus 🚀 

• Experience with SwiftUI in production environments
• Background in modular architectures
• Interest in the product lifecycle and how engineering shapes the user experience

 

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
• 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.