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# Mid-Senior Software Engineer

- **Company:** Smadex
- **Location:** Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, JIRA, Automation of Tests, Bash Shell, Databases, Continuous Integration, Data Structures, Linux, DevOps, Python (Programming Language), Memcached, Microsoft OneNote, MySQL, Node.Js, Redis, Software Engineering, Cloud Platform System, Git, Solid Principles, Information Technology, Docker, Jenkins
- **Published:** October 3, 2026
- **Apply:** https://eurojobs.com/jobs/32121669/apply

## About the Role

* A Bachelor's degree in Computer Science or a related technical field.
 * 2-4 years of experience in a software engineering role.
 * Hands-on experience with Java or NodeJS.
 * A solid theoretical foundation in data structures, algorithms, and software design principles.
 * A genuine passion for technology and an eagerness to learn and grow professionally.
 * Excellent communication skills in English (written and spoken).
 * Proficiency with Linux, Git, Docker, and Docker-Compose.
 * Experience with testing tools and modern CI/CD frameworks.

What Will Make You Stand Out (Bonus Points):

 * Experience with Key-Value stores and in-memory databases (e.g. Redis, Memcached).
 * Familiarity with cloud environments, particularly AWS.

Our Tech Stack

 * Languages: NodeJS, Java, Bash, Python
 * Databases: MySQL
 * Cloud & DevOps: AWS, Jenkins, Docker
 * Tools: Git, Jira, Notion

## Description

You will join our core engineering team, a collaborative group of 8 experienced engineers responsible for maintaining and evolving the real-time bidding (Open-RTB) auction system that powers our entire business. We foster a fast-paced, supportive environment where knowledge sharing is key. We value autonomy and will provide the platform for you to grow your career while solving complex engineering challenges., * Feature Ownership: Design, develop, and implement new features for core products using NodeJS and Java.

 * Quality Assurance: Write clean, efficient, testable code and thoroughly test work locally and in a sophisticated staging environment.
 * Operational Excellence: Monitor deployments and help ensure the stability, reliability and performance of production systems.
 * Agile Collaboration: Collaborate with the team in an agile environment, participating in planning and reporting on progress.


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