
Software Senior / Staff Engineer
Smadex SLU1 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.
About Smadex SLU
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).