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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** Amaris - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Amazon Web Services, Microsoft Azure, Code Review, Continuous Integration, Software Design Patterns, Distributed Systems, Memory Management, Github, Gradle, Hibernate (Java), Java Persistence API, Spring Framework, Junit, Key Management, Apache Maven, Enterprise Messaging Systems, Model View Controller (MVC), NoSQL, Performance Tuning, Scrum Methodology, Queueing Systems, RabbitMQ, Reliability Engineering, Mockito, Oop Languages, Service Discovery, Software Construction, SQL Databases, Data Logging, Java Application Server, Cloud Platform System, DevOps Tools - Open-source, Istio, Spring-boot, Reliability of Systems, Backend, Git, Event Driven Architecture, Gitlab-ci, Solid Principles, Apache Kafka, Api Gateway, Restful APIs, Jenkins, Static Application Security Testing, Microservices, Dynamic Application Security Testing - **Published:** September 15, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=e7e588bb48712524 ## About the Role * 7+ years of experience as a Backend Engineer working with Java (Java 11 or higher) and Spring Boot. * Strong proficiency in Core Java and OOP principles, as well as design patterns and SOLID principles. * Experience with Spring Framework (Boot, MVC, Security) and Hibernate/JPA. * Solid understanding of microservices architectures and distributed systems. * Experience in designing and implementing RESTful APIs and microservices-based services. * Good understanding of memory management and performance optimization in Java applications. * Experience with message queuing systems (Kafka, RabbitMQ) and event-driven architectures. * Experience with SQL and/or NoSQL databases. * Hands-on experience with CI/CD tools (Azure DevOps, GitLab CI, Jenkins, GitHub Actions, etc.) and use of Git, Maven/Gradle. * Experience working in cloud environments, ideally Azure (AWS/GCP also valued). * Strong knowledge of software engineering best practices: clean code, design patterns, testing (JUnit, Mockito), code review, documentation. * Professional level of English, able to collaborate with international teams - your day-to-day work will be in English., Your mindset & soft skills * Strong problem-solving skills and analytical thinking. * Excellent communication skills and ability to work in multidisciplinary teams (engineering, architecture, product, operations). * Proactive attitude, strong sense of ownership, and focus on continuous improvement. * Comfortable working in agile environments (Scrum, Kanban). Nice to have * Experience in financial services, payroll, HR tech or other highly regulated sectors. * Advanced knowledge of event-driven architectures (Kafka, RabbitMQ, etc.). * Experience with DevSecOps tools (SAST, DAST, dependency analysis, secrets management). * Familiarity with Site Reliability Engineering (SRE) practices (SLIs/SLOs, error budgets). * Experience with API gateways, service mesh, or service discovery tools. ## Description * Design, develop, and maintain microservices using Java and Spring Boot. * Design and implement RESTful APIs, ensuring performance, security, and maintainability. * Integrate and consume messaging systems (Kafka/RabbitMQ) to support event-driven architectures. * Build, maintain, and improve CI/CD pipelines to ensure fast, secure, and reliable software delivery. * Operate services in cloud environments, ensuring scalability, security, and cost efficiency. * Implement and optimize monitoring, logging, and alerting solutions to improve system reliability and observability. * Analyze and resolve production incidents, performing root cause analysis and implementing preventive measures. * Participate in on-call / incident management (when applicable) to ensure platform availability., * Continuous learning: access to our Technology Academy, Udemy courses, webinars, and company-funded certifications. * Flexibility: remote work options, flexible working policies, and social benefits (meal vouchers, transport, childcare support, private health insurance, etc.). * Well-being: our WeCare program supports employees in critical situations. * Personal development: annual training budget to boost both your hard and soft skills. ## Related Videos - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)