Java Backend Engineer

THE BOARD | people & talent
Municipality of Tarragona, Spain
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Shift work
Languages
English
Experience level
Intermediate
Compensation
€ 70K

Job location

Remote
Municipality of Tarragona, Spain

Tech stack

Java
Akka
Amazon Web Services (AWS)
Automation of Tests
Cloud Engineering
Code Review
RxJava
Management of Software Versions
Openapi
Vert.x
Reactive Programming
Api Design
Microservices

Requirements

?? 8+ years in Java backend engineering, including3+ years hands-on with reactive programming(e.g., Vert.x / RxJava / Reactor/AKKA)delivering non-blocking services in production. ? Buildhigh-throughput, low-latency APIswith a pragmatic approach to performance, clean design, and real-world trade-offs. ??? Design and developcloud-native microservices in Java, focusing on scalability, resilience, and maintainability (API-first mindset). ?? Proven experience onAzure or AWS, building and running services in modern cloud environments (managed services, networking, security basics). ?? OwnAPI contracts(REST/OpenAPI): versioning, backward compatibility, and smooth integrations across teams and systems. ?? Deliver with confidence usingCI/CDand engineering best practices (code reviews, quality gates, automated testing, standards). ?? Act as asenior technical reference: collaborate with product/stakeholders, mentor teammates, and support production with incident handling + root-cause improvements.

Benefits & conditions

Salary range: €65K-€70K depending on experience and skills. REMOTE work model, 38-hour workweek, flexible hours, and career development opportunities. 23 vacation days, health insurance, social benefits, remote work allowance, high-end laptop and accessories

About the company

At THE BOARD | people & talent, a firm specialized in recruitment and talent acquisition, we are looking for aJAVA backend engineer with more than 3 years working with reactive programming. Our client is ainternational firm of tech consultancy thatis working for a retailer developing a high-performance, internet-facing API designed to operate seamlessly across both on-premises environments and the cloud. We are looking for engineers with astrong technical foundation, for whom principles like the CAP theorem are not just academic concepts but practical tools used to reason about real-world systems.

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