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

With a 10+ year-old codebase and more than 18 iOS developers pushing code daily to the same repository, we face numerous challenges. Our most important technologies include:
- Our own simplified TCA-inspired architecture with RxSwift
- Custom dependency injection system
- Extensive testing infrastructure including snapshot-based integration tests
- Modern UIKit and SwiftUI
- Performance monitoring and analytics tools
- Realm/CoreData
- Quick/Nimble
- Snapshot Testing

What You Will Do
- Design and implement scalable solutions for our modular architecture
- Work on continuous integration and deployment pipelines using Python and Bitrise
- Develop and maintain automation tools for improving developer productivity
- Create and improve monitoring systems for key metrics and performance indicators
- Collaborate across different technical stacks to establish best practices and architectural guidelines
- Drive technical decisions that impact not only iOS but potentially other platforms
- Help teams adopt and leverage our custom testing infrastructure effectively
- Proactively identify and solve engineering bottlenecks
- Work with data-driven approaches to measure and improve development processes

What We´re Looking For
- Strong experience with Swift and iOS development
- Proven track record of writing clean, maintainable code
- Experience working in large modular codebases with multiple teams
- Data-driven mindset with strong analytical skills
- Excellent communication and collaboration abilities
- Strong problem-solving skills with attention to detail

What Would Be A Plus
- Experience with CI/CD pipelines and build automation
- Knowledge of performance monitoring and metrics
- Experience with Python or other scripting languages
- Background in developer tooling or infrastructure
- Deep understanding of iOS build systems and dependency management (like CocoaPods internals or Bazel)
- Track record of optimizing complex build processes and dependency graphs

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 Cigna
- Flexible working hours + short 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
- Workiversary 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)