Backend Engineer (Java) - Barcelona
We are Merlin Digital Partner! A leading IT and digital headhunting company who stands out from the crowd, boasting over a decade of experience.
We've successfully collaborated and played a pivotal role in the growth of industry heavyweights such as Wallapop, Glovo, Banc Sabadell, and Factorial, among others.
Our emphasis lies in people-centric approaches and optimizing the selection processes. Our mission is to revolutionize companies by seamlessly integrating top-tier talent. What sets us apart is our in-depth understanding of each partner (being their best influencer!), addressing not only their needs but also capturing their essence.
We are currently looking for a Sr Backend Engineer (Java).
Our partner is a fast-growing tech startup that helps hotels increase their website revenue by personalizing and optimizing the booking experience. They operate in more than 30 countries worldwide, supporting hundreds of hotels in improving their online performance.
The Mission:
As a Senior Backend Engineer with strong experience in Java and SQL databases, you will be part of a dynamic engineering team, responsible for designing, developing, and maintaining scalable backend systems that support high-traffic, data-driven web applications.
The Role:
Design, develop, and maintain backend services and APIs using Java and Spring Boot.
Build robust and scalable RESTful APIs to support frontend and third-party integrations.
Design, optimize, and maintain relational databases, ensuring performance, data integrity, and scalability.
Collaborate with product, frontend, and other engineering teams to define and deliver new features.
Write clean, maintainable, and well-tested code following best practices.
Participate in code reviews and contribute to continuous improvement of the codebase.
Troubleshoot, debug, and resolve backend and performance-related issues.
Document technical solutions, architecture decisions, and processes when needed.
What we are looking for:
5+ years of professional experience in backend software development.
Strong experience with Java and Spring Boot.
Solid knowledge of SQL and relational databases such as PostgreSQL, MySQL, or SQL Server.
Proven experience designing and consuming RESTful APIs.
Good understanding of software architecture, scalability, and performance.
Experience working with version control systems such as Git.
Familiarity with CI/CD pipelines and agile methodologies.
Strong communication skills and ability to work collaboratively in a team.
Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
Advanced, bilingual, or native level of English.
Benefits:
Young, dynamic, and multicultural team.
Opportunity to grow in an international and fast-scaling company.
Career development plan within the company.
Are you ready to be part of the challenge? Contact us!
- Departments
- Backend
- Locations
- Barcelona
- Remote status
- Hybrid
- Yearly salary
- €45 - €60
Values

About Merlin Digital Partner
🚀 Merlin Digital Partner: Your Strategic Talent Partner in the Digital Ecosystem 🚀
At Merlin, we are a leading talent acquisition consultancy with over 20 years of experience in the digital world. We proudly support startups, scaleups, and corporates in more than 10 countries, helping them find the talent they need to thrive across 15+ areas of specialization.
What sets us apart? Our strategic analysis of each company, combined with a powerful network of professionals. We dive deep into understanding your business, enabling organizational transformation that aligns with your goals and maximizes growth.
But that’s not all! We also work closely with talented professionals looking to advance their careers. Whether it’s optimizing LinkedIn profiles, updating job titles, or creating the right keywords to boost visibility, we ensure that your online presence truly reflects your potential.
Let’s work together to achieve your next big milestone! 💡
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