At ??? ????? | ?????? & ??????, a firm specialized in recruitment and talent acquisition, we are looking for a
Staff Backend Engineer (Java) with more than 10 years of experience,
to join a strategic area responsible for building and evolving
high-scale, business-critical systems
.

This is a highly technical role for an engineer who goes beyond frameworks and tools, with a strong understanding of
distributed architectures, asynchronous messaging, low-latency systems java reactive programming (Vert.x, RxJava) and software design principles
. You will have real influence over architecture and engineering standards, working in lean teams and leveraging modern AI-assisted development tools.

.

????????????

? What are we looking for?
- ?
Architecture & High-Scale Systems:
Design, build and evolve highly scalable
microservices and distributed systems
, ensuring reliability, maintainability and performance across mission-critical services.
- ☕
Deep Java Engineering:
Bring strong expertise in
Java, Spring Boot, Vert.x and RxJava
,



with a solid understanding of modern functional programming approaches, concurrency and performance optimisation.
- ?
Event-Driven & Asynchronous Architecture:
Design and optimise
asynchronous messaging and event-driven solutions using Apache Kafka
, with particular attention to throughput, latency, resilience and system behaviour under scale.
- ?
Technical Leadership:
Influence architecture and engineering decisions across multiple initiatives, defining
design patterns, technical standards and engineering best practices
while remaining strongly hands-on.
- ⚡
Performance & Reliability:
Analyse and improve system performance, identifying bottlenecks and designing solutions capable of supporting
high-volume, low-latency environments
.
- ☁️
Cloud, Kubernetes & Data:
Work with
Azure or AWS
, Kubernetes and modern data platforms, combining
SQL and NoSQL technologies such as PostgreSQL and Couchbase
within distributed architectures.
- ?
AI-Augmented

📌 Staff Engineer Java (España)
🏢 THE BOARD | tech & digital headhunting ??
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