Senior Backend Engineer (Java / Kotlin) Fast-Growing Global Technology Consultancy

KEY POINTS

Hybrid, 3 days a week on site in Madrid (North Castellana) Build real time, high traffic systems for one of the biggest names in global travel tech

Full ownership of core backend services in Java and Kotlin International,

Kotlin from a personal project counts, no need for years of it commercially

Salary up to €65,000, with flexibility for exceptional candidates

ABOUT THE CLIENT

We are supporting a fast-growing global technology consultancy, in triple digit growth, that builds software for some of the biggest brands in the world. For this role you would be building for one of the largest names in general travel technology, on distributed systems that millions of people rely on.

This is an environment where engineers have genuine ownership and real impact, working in a small, high-calibre international team. If you love building scalable backends at real scale and want to be a builder rather than a cog in a machine, this is for you.

THE ROLE, SENIOR BACKEND ENGINEER

As a Senior Backend Engineer, you will design, build and own core backend services in Java and Kotlin, working on real time, high traffic systems where performance and reliability genuinely matter.

This is a hands-on role in an international team, building and owning your own work rather than maintaining someone else's legacy.

KEY RESPONSIBILITIES

Design and build core backend services in Java and Kotlin Work on real time, high traffic,



distributed systems Design scalable API access patterns and integrations between distributed services Work with SQL and NoSQL data storage to meet data requirements Test, monitor and debug your own code to a high standard Collaborate with an international team to deliver robust, scalable solutions

ESSENTIAL EXPERIENCE

Around 4 to 7 years in backend software development within a team environment

Strong JVM experience, Java with Kotlin (commercial or from a personal project, both count) Experience with SQL and NoSQL data storage, scalable APIs and integrations between distributed services

Production experience on public or hybrid cloud Comfortable testing, monitoring and debugging your own code

You must already hold the right to work in Spain as a full time employee, as our client is unable to support visa arrangements or sponsorship

WHAT'S ON OFFER

Salary up to €65,000, with flexibility for exceptional candidates The chance to build for a major travel tech brand inside a consultancy in triple digit growth Full ownership of core backend services in an international, English speaking team Working hours Monday to Thursday 09:00 to 18:00, Friday 09:00 to 15:00 Hybrid working, 3 days a week on site in Madrid

TO APPLY

Please apply via this advert or email [email protected] directly. For further information, call 0203 763 3888 or 07704 152 638. By applying, you consent to us processing and submitting your application (subject to suitability) for this vacancy only.

📌 Back End Developer - Up To €65.000 A Year (Madrid)
🏢 Global Technology Consultancy
📍 Madrid