Backend Java Developer – International client

🏢 Twtspain · all 45 jobs
📍 Spain
📅 Posted Oct 29, 2026 · via Himalayas
✅ Verified open — last confirmed 2d ago
🏷 Java Developer, Backend Engineer, Software Engineer, Senior Java Backend Developer, Senior Java Backend Engineer, Senior Backend Developer (java Spring Aws) +1 more
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Profile: Backend Java Developer.

Rate: up to 280/day.

Key knowledge: Java Microservices.

Studies: Certified Studies (Minimum).
Languages: English MANDATORY

Minimum experience: 5 to 8 years.

We are looking for a Senior Java Developer to join our team and work on the design, development and evolution of microservices-based applications.
Requirements
Technical skills

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5+ years of professional experience in software development.

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Microservices Architecture: API composition, RESTful APIs, OpenAPI and Swagger — 5–8 years of experience

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Java 8 / Java 11 — 5–8 years of experience

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Spring Framework: mainly Spring Boot, with experience in Spring Batch and Spring MVC — 3–5 years of experience

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Build Automation Tools: experience with Maven and other build automation tools — 1–3 years of experience

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Testing: JUnit, Mockito, WireMock, MockMVC and Spring Test — 3–5 years of experience

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Databases: JPA, Oracle and JDBC — 1–3 years of experience

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Agile methodologies: experience working with Agile methodologies, particularly Scrum

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Soft skills: strong communication, prioritization, leadership and teamwork skills

Nice to have

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Microservices Architecture: Service Discovery, Circuit Breaker, OpenShift, distributed tracing, etc. — 1–3 years of experience

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Message Brokers: Kafka, RabbitMQ — 1–3 years of experience

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Feature Flags — 1–3 years of experience

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Database Migration Tools: Liquibase / Flyway — 1–3 years of experience

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Reactive Programming / Futures — 1–3 years of experience

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Static Code Analysis Tools: Sonar, PMD, Checkstyle, etc. — 1–3 years of experience

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Azure DevOps — less than 1 year of experience

Languages
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English: Upper-Intermediate ( B2 ) level required.

Originally posted on Himalayas

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