Smadex SLU

Software Senior / Staff Engineer

Smadex SLU
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1 day ago
Barcelona, SpainSenior / Staff+

Responsibilities

  • Design, develop, and implement new features for core products using Java and Node.js.
  • Write clean, efficient, testable code and thoroughly test work locally and in staging environments.
  • Participate in code reviews and contribute to technical and architectural decisions.
  • Monitor deployments and help ensure the stability, reliability, and performance of production systems.
  • Collaborate in planning and report progress in an agile team environment.
  • Take ownership of short-cycle tasks across the core real-time bidding platform under a “you build it, you run it” philosophy.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field.
  • At least 7 years of experience in a software engineering role.
  • Hands-on experience with Java or Node.js.
  • Strong foundations in data structures, algorithms, and software design principles.
  • Proficiency with Linux, Git, Docker, and Docker Compose.
  • Experience with testing tools and modern CI/CD frameworks.
  • Excellent written and spoken English communication skills.
  • Passion for technology and eagerness to learn and grow professionally.
  • Bonus: experience with Redis, Memcached, or other key-value and in-memory databases.
  • Bonus: familiarity with cloud environments, particularly AWS.

Benefits

  • Barcelona office at a central location with a rooftop terrace, barbecue, and fully stocked fridge.
  • Work-from-home option two days per week and flexible hours.
  • Meal vouchers through a monthly Ticket Restaurant allowance.
  • Monthly gym allowance with a choice between DiR and Wellhub.
  • LinkedIn Learning and training opportunities.
  • Monthly TGIF events and regular team-building events.
  • Collaborative, international work environment with colleagues from over 40 countries.
  • The posting states that visa sponsorship is not provided and applicants must have legal authorization to work in Spain.

Tech Stack

Categories

Smadex SLU

About Smadex SLU

201-500 employees

Smadex SLU builds a programmatic demand-side platform for advertisers and agencies to run performance and brand campaigns across in-app, connected TV, and mobile web. Its platform emphasizes ML-driven optimization, contextual targeting, and first-party data integrations for privacy-centric user acquisition and measurement. Founded in Barcelona in 2011, Smadex operates as a business unit of Entravision Communications (NYSE: EVC).

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