Java developer for payroll platforms
Senior Java backend developer designing, building, and operating scalable, secure payroll and HR management SaaS platforms: microservices in Java/Spring Boot, REST APIs, Kafka/RabbitMQ event-driven systems, CI/CD pipelines, and cloud (ideally Azure) operations including monitoring and on-call incident management.
- Compensation
- Not disclosed
- Location
- Barcelona, Spain
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- 7+ years
- Category
- Finance
- Posted
Skills
Must have
- 7+ years of backend engineering experience with Java (Java 11+) and Spring Boot
- Strong proficiency in Core Java, OOP principles, design patterns, and SOLID principles
- Experience with Spring Framework (Boot, MVC, Security) and Hibernate/JPA
- Solid understanding of microservices architectures and distributed systems
- Experience designing and implementing RESTful APIs and microservices-based services
- Good understanding of memory management and performance optimization in Java
- Experience with message queuing systems (Kafka, RabbitMQ) and event-driven architectures
- Experience with SQL and/or NoSQL databases
- Hands-on CI/CD experience (Azure DevOps, GitLab CI, Jenkins, GitHub Actions) plus Git, Maven/Gradle
- Experience working in cloud environments, ideally Azure (AWS/GCP also valued)
- Software engineering best practices: clean code, design patterns, testing (JUnit, Mockito), code review, documentation
- Professional level of English; day-to-day work in English with international teams
- Strong problem-solving skills and analytical thinking
- Excellent communication skills and ability to work in multidisciplinary teams
- Proactive attitude, strong 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 practices (SLIs/SLOs, error budgets)
- Experience with API gateways, service mesh, or service discovery tools
Full description
Join Amaris Consulting and work on payroll and human resources management platforms serving thousands of users worldwide. Be part of an international team, grow in an agile environment, and develop your career within a global group that values innovation, collaboration, and talent. As a Senior Java Developer, you will play a key role in the design, development, deployment, and operation of highly scalable, secure, and resilient SaaS platforms. You will be a core member of multidisciplinary squads, combining your backend development expertise with DevOps practices to build and operate business-critical services across the entire software lifecycle.
Задачи:
- 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.
Требования:
- 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.
- Strong problem-solving skills and analytical thinking.
- Excellent communication skills and ability to work in multidisciplinary teams (engineering, architecture, product, operations).