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Senior iOS Engineer

letgo's the largest and fastest growing app to buy and sell locally. With over 100M downloads and hundreds of millions of listings to date, letgo’s been named among the “Hottest Startups” by Wired and “Best Apps” by Google, and it’s the second fastest growing app in America since its 2015 launch. Business Insider calls letgo “the go-to app for selling your stuff” and it’s been featured by The New York Times, The Today Show, USA Today, The Verge, Fast Company, The Wall Street Journal, Fortune and hundreds of others worldwide.

Already among the most popular apps in America, letgo’s marketplace is filled with everything from electronics and cars to clothing and furniture. Listing something on letgo is as simple as taking a photo thanks to its advanced technology. It’s the only app of its kind that can automatically title and categorize an item using artificial intelligence. Plus, users can easily browse local listings, chat instantly in the app, and view each other’s profiles, ratings and reviews.

Based in our New York and Barcelona offices, our team of over 230 represents more than 30 nationalities. Fueled by our diverse expertise, letgo’s goal is to build the largest marketplace of its kind in the world. We’re looking for people who are as passionate as we are about creating something our users love and - just as importantly - who are excited by the challenge.

Your mission as a Senior iOS Engineer is to design and implement new features of our app (which has grown from 0 to 100m+ downloads in 3 years!). You will collaborate with cross-functional squads. You will take ownership of estimations, priorities and deadlines. And you will take data based decisions.

We’re looking for someone who wants to build something huge and that people love because it makes their lives simpler: We’ve built a company for people who want to do impactful work, surrounded by great people. We have a well-defined, mature culture — and we’re always making it better.

To be an Senior iOS Engineer at letgo, you’ll need to be able to showcase:

  • Deep knowledge of the iOS platform
  • Ability to both develop, analyze and test Swift code
  • Ability to work in an Agile environment
  • Communication and flexibility is your strength, and you´re a strong team-player
  • Fluency in English

We consider experience in these areas a plus:

  • Modularised projects
  • Scripting languages
  • Reactive programming
  • Dependency management tools
  • Continuous integration
  • Continuous delivery

What else can we offer you:

  • Working in a mature startup, one of the fastest-growing startups in Europe!
  • Being part of a team of experienced international iOS Engineers (10+)
  • Participate in an app of millions of DAUs
  • Flat structure, we are project and goal-driven
  • Autonomy: you lead your projects
  • Data-driven development
  • Hackathons
  • Attend international industry conferences
  • Challenging projects involving image recognition, real-time chat, payments, and delivery
  • Opportunity to develop your career and grow within letgo
  • Rooftop terrace with harbour view, ping pong tables and BBQ :)

letgo perks:

  • 100% covered medical, vision, and dental care premiums for you and your family
  • Competitive salary and stock options
  • A beautiful, new office in the heart of Soho and along the beach in Barcelona
  • Potential opportunities to travel to - and work in - both of our offices
  • Robust relocation package
  • Massage therapy (Barcelona office)
  • Fully stocked kitchens
  • Team-building activities
  • Language and other courses


With over 100M downloads and 400M listings, letgo is the biggest and fastest growing app to buy and sell locally.

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