Senior Backend Developer (Java/J2EE) in Barcelona


Est. Salary
35,000 - €50,000
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Job Description

We are looking for a Senior Backend Developer (Java/J2EE) who will be integrated into a multidisciplinary agile team. We are looking for a proactive professional, with a can-do-attitude and leadership and communicative skills. Ability to coordinate, plan and manage complexe technical solutions.

Do you think big? Are you hands on? Do you love the lean startup method? Do you want to see how technology changes society and business? If you are the best java developer who loves to develop new features and to work in an environment where things move quickly and performance and testing is of great importance, then this is your Job.


  • Design and implement server features required to support new functionalities and releases.
  • Secure the performance, reliability, scalability and security.
  • Deliver code (and supporting documentation) of the highest quality.


Technical Skills (Must have)

  • Fluent in English and Spanish
  • High testing knowledge is required
  • Strong Java Skills and deep understanding of the JVM: memory management, profiling, etc.
  • Strong will to adhere to best practices in development: Solid Principles, Clean Architecture, etc.
  • Deep knowledge of relational databases, database performance concerns, and solutions

Technical Skills (Nice to have)

  • Experience in an Agile methodologies (scrum)
  • Experience in Lean Start-Up
  • Developing high performance systems
  • Experience with TDD
  • Docker experience

Personal and Additional Skills

  • Critical Thinking
  • Problem Solving
  • Leadership skills
  • Teamwork/collaborative skills
  • Self-motivation
  • Able to take responsibility
  • Adaptable (work in changing environment)
  • Curiosity and Lifelong Learning
  • Analytical skills


About Wallapop

  • Classifieds

  • Privately Held

  •  Barcelona, Spain

  • 50-100 employees

  • 2013

Wallapop is your mobile flea market, where you can make money from your old stuff and buy great new things.

Wallapop is a pure mobile marketplace that helps people find the best opportunities to buy and sell nice things nearby. But beyond that, what we really want to do is offer the best street trade experience to all our users around the world. In order to achieve this we are looking for some special people...  

  • - Amazing office space.
  • - Apple or PC equipment of your choice.
  • - Specialised training.
  • - Health insurance.
  • - Amazing offsites twice a year.
  • - International team (now 10 nationalities) .
  • - Help with apartment searches.

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