Senior Java Developer /Backend (Remote from EU)

Quid SolutionsSpain5 days ago

Full-timeRemote FriendlyEngineering, Information Technology

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We are seeking a Senior Java Developer to strengthen our backend engineering team responsible for designing and maintaining high-performance, scalable enterprise applications. The ideal professional has a deep understanding of modern Java frameworks, distributed architectures, and database optimization. This position involves full ownership of backend services — from design and development to integration, performance tuning, and deployment in cloud-native environments.

Technical Requirements And Knowledge

Programming: Advanced expertise in Java, Maven, and frameworks such as Quarkus or Spring, applied in large-scale production systems
Databases: Proven experience managing and optimizing MongoDB and PostgreSQL, including schema design, indexing strategies, and performance tuning
Architecture: Strong knowledge of microservices, event-driven architecture (Kafka), and integration with ELK stacks for observability
DevOps: Practical experience with Docker, Kubernetes, Jenkins, SonarQube, Nexus, and continuous integration/delivery pipelines
Performance Optimization: Proficiency in profiling, testing, and tuning backend systems to ensure reliability and scalability
Security: Sound understanding of secure coding principles, vulnerability prevention, and compliance with software security standards
Version Control: Proficient in Git, preferably with Bitbucket repositories
Agile Practices: Experience working in Agile/Scrum environments focused on iterative and high-quality delivery
Tooling Exposure: Familiarity with security and profiling tools such as Snyk, OWASP, or similar

Key Responsibilities

Design, implement, and maintain backend components and microservices ensuring performance, scalability, and maintainability
Optimize database performance and ensure robust data flow between systems
Integrate event-driven communication using Kafka and manage logging and monitoring through ELK
Participate in defining system architecture and technical standards aligned with project goals
Implement DevOps best practices to automate builds, tests, and deployments
Identify and resolve system bottlenecks and performance issues at both code and infrastructure levels
Apply and maintain secure development practices throughout the lifecycle of applications
Collaborate closely with cross-functional teams including product owners, architects, and QA engineers
Provide mentorship to less experienced developers, promoting knowledge sharing and technical growth
Take end-to-end responsibility for assigned deliverables — from analysis and implementation to deployment and post-release monitoring

Hiring Details

Seniority: Senior (5–7+ years of relevant experience)
Language: English level B2/C1 (mandatory)
Work setup: 100% remote. Travel: Occasional travel to Brussels may be required
Eligibility: Open to EU citizens or professionals residing in the EU with a valid work permit
Engagement options: Freelance or Spanish employment contract, depending on the candidate’s preference and location

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