Mid-Senior Software Engineer - Node/Java, Real-Time Platform

Smadex; Barcelona; Hybrid; EUR 45,000 - 68,000; Full time

Benefits offered by this job

Great compensation

Central Barcelona location

Hybrid work: 2 days WFH

Meal vouchers

Gym allowance

Training opportunities

Team events

Job summary

Smadex is seeking a Software Engineer to join its core engineering team in Barcelona. You will tackle features for the real-time bidding Open-RTB system, contribute to code reviews, and help evolve the platform.

The role emphasizes ownership, collaboration, and growth in a fast-paced, international environment, with hybrid work, competitive compensation, and opportunities across mobile and CTV markets.

Qualifications

• Bachelor's degree in Computer Science or a related technical field.
• 2-4 years of software engineering experience.
• Hands-on experience with Java or NodeJS.
• Strong knowledge of data structures, algorithms, and software design.

Responsibilities

• Design, develop, and implement new features for core products.
• Participate in code reviews and architectural decisions.
• Ensure quality with testing locally and in staging.
• Monitor deployments for stability and performance.

Skills

NodeJS

Java

Linux

Git

Docker

Data structures

English communication

CI/CD

Education

Bachelor's degree in Computer Science or related field

Tools

Docker-Compose

Jira

Notion

Job description

Smadex is seeking a Software Engineer to join its core engineering team in Barcelona. You will tackle features for the real-time bidding Open-RTB system, contribute to code reviews, and help evolve the platform.

The role emphasizes ownership, collaboration, and growth in a fast-paced, international environment, with hybrid work, competitive compensation, and opportunities across mobile and CTV markets.