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# Software Architect

- **Company:** Smadex SLU
- **Location:** Barcelona, Spain (Remote available)
- **Salary:** €69,000.0 - €91,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Databases, Continuous Integration, Command-Query Responsibility Segregation (Software Development), Linux, Distributed Systems, Python (Programming Language), Memcached, Node.Js, Performance Tuning, Redis, Strategies of Testing, Cloud Platform System, Spring-boot, Backend, Git, Low Latency, Docker
- **Published:** July 22, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

We are looking for a Senior Software Architect to join our tech team in Barcelona. We need your expertise to drive the evolution of our platform and tackle everyday challenges related to scalability, low-latency, and high-throughput design.
If you thrive on architecting robust solutions and have a proven track record of bringing innovative designs to life, we want to talk to you!
This is a full-time hybrid position based in Barcelona., We are seeking a Senior Software Architect with deep, hands-on experience in architecture and systems design for complex, high-volume backend solutions. You'll be instrumental in shaping our platform's future, focusing on its core infrastructure and performance.
Requirements and Qualifications:

 + +5 years as a Software Architect with a strong focus on system design, architecture, and implementation of large-scale, distributed systems.
 + Deep expertise in Java and the Spring Boot ecosystem.
 + Proven experience in designing and implementing low-latency, high-throughput and scalable platforms.
 + Solid understanding and direct experience with Key-Value stores and in-memory databases (e.g., Redis, Memcached).
 + Strong fundamentals of modern CI/CD frameworks and testing methodologies.
 + Expertise in Linux, Git, Docker & Docker-Compose, and AWS Cloud services.
 + Excellent communication skills in English (both written and spoken)
Bonus Points:

 + Direct experience bringing new solutions to an Infrastructure team, specifically around performance optimization and scalability challenges.
 + Familiarity with Node.js and Python.
Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain will not be considered.

## Description

+ Contribute to the design and implementation of architectural solutions for our high-throughput, low-latency platform, ensuring its continued performance and scalability.
 + Be a strong advocate for our "You build it, you run it" philosophy, taking full ownership of your solutions from initial design and architecture through to production deployment, monitoring, and optimization.
 + Proactively identify and address architectural bottlenecks and scalability challenges, bringing innovative designs and implementations to our real-time components where every millisecond counts.
 + Actively participate in code and architectural reviews, technical discussions, and contribute significantly to our long-term technology roadmap.
 + Mentor and guide other engineers on best practices for system design and performance optimization.


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