Staff Engineer Java | Spring Boot, Kafka, Rxjava, Kafka
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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 Engineering:
Incorporate modern
Agentic AI and AI-assisted development tools such as Tabnine and Gemini
into engineering workflows to improve developer productivity and support efficient, high-quality software delivery.
What does our client offerr?
Immediate start with a permanent contract.
Remoto work model from Spain, 38-hour workweek, flexible hours, and career development opportunities.
23 vacation days, health insurance, social benefits, remote work allowance, high-end laptop and acces
#J-*-Ljbffr
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