Senior Data Platform Engineer (Java / Databases)

Marlex Recruiting·Alcorcon, Spain

What they offer

  • Hybrid

    Office and home days — the ad has the split.

What they ask for

  • Have the right to work in Spain

    Marlex Recruiting doesn't mention sponsorship in the ad.

  • Speak native-level Spanish

    Listed as a requirement in the ad.

  • Work in English

    English is required, per the ad.

  • Be near Alcorcon for hybrid days

    No relocation package mentioned.

  • Have 5+ years of experience

    Senior-level role.

Pulled from the advert automatically — the full ad is what counts.

Added 1 month ago
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About the role

We are looking for two Senior Data Platform Engineers to join the VISTA team.

VISTA is a platform that processes and manages large volumes of data from telecommunications networks, enabling the analysis of information related to antenna status, user mobility, and network behavior in real time.

The team works on a distributed data architecture based on technologies such as Trino, MongoDB, and SQL, facing daily challenges in scalability, performance, and massive data processing.

What you'll do

  • Design and develop high-scalability backend components.
  • Work with distributed databases and complex data platforms.
  • Optimize queries, processes, and systems to maximize performance.
  • Analyze system behavior under load and identify bottlenecks.
  • Participate in decisions regarding platform architecture and evolution.
  • Conduct code reviews and promote good development practices.
  • Provide technical support and mentor less experienced team members.
  • Collaborate closely with multidisciplinary teams in high-performance environments.

We are looking for profiles with

  • At least 5 years of experience in backend development.
  • Solid experience developing in Java.
  • Knowledge of C++ and/or Python.
  • Experience working with relational and non-relational databases.
  • Knowledge of distributed systems and scalable architectures.
  • Ability to understand the inner workings of database engines and query systems.
  • Experience in performance optimization and solving complex problems.
  • Experience participating in technical or architectural decisions.
  • Good level of English to work in an international environment.

We will especially value

  • Experience with Trino, Presto, or similar technologies.
  • Knowledge of MongoDB and Big Data ecosystems.
  • Experience with data platforms, observability, or distributed processing.
  • Participation in code reviews, technical mentoring, or informal technical leadership.
  • Experience with cloud environments and microservices-based architectures.

What do we offer?

  • Joining a highly specialized technical team.
  • Large-scale projects related to telecommunications and data analysis.
  • Technical challenges focused on performance, scalability, and architecture.
  • International and collaborative environment.
  • Hybrid work model in Barcelona.
  • Real opportunities for technical growth and professional development.

This job was automatically translated to English, .

About the company

Marlex Recruiting

Marlex Recruiting

Recruiting

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Spanish company

Marlex Recruiting is a staffing agency.They recruit for client companies, so the employer you would work for is not named on this ad.