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.

Backed by top investors such as Accel, Insight Partners & Naver Corp we bring our total valuation to 806 million EUR and are embarking on our international journey with the aim to become the world´s best unique goods trading platform.

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:
- Competitive phantom shares package for all employees
- 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)