Wallapop logo

Senior Backend Developer (Java/J2EE)

full-time Wallapop Barcelona

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

published: June 13, 2018

Apply for this position