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# Senior Java Developer

- **Company:** Amaris
- **Location:** Barcelona, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, Software as a Service, Code Review, Continuous Integration, Software Design Patterns, DevOps, 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, Software Construction, Software Engineering, 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, Ci Server, Microservices, Dynamic Application Security Testing
- **Published:** October 29, 2026
- **Apply:** https://www.buscojobs.com.es/senior-java-developer-en-barcelona-ID-378109741

## About the Role

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., 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).
Experience in
financial services, payroll, HR tech
or other
highly regulated sectors
.
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

## Description

JoinAmaris Consultingand work onpayroll and human resources management platformsserving 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 aSenior Java Developer, you will play a key role in the design, development, deployment, and operation ofhighly 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.What we're looking for7+ years of experienceas aBackend Engineerworking withJava (Java 11 or higher) and Spring Boot.Strong proficiency inCore JavaandOOP principles, as well asdesign patternsandSOLID principles.Experience withSpring Framework(Boot, MVC, Security) andHibernate/JPA.Solid understanding ofmicroservices architecturesanddistributed systems.Experience indesigning and implementing RESTful APIsandmicroservices-based services.Good understanding ofmemory managementandperformance optimizationin Java applications.Experience withmessage queuing systems(Kafka, RabbitMQ) andevent-driven architectures.Experience withSQL and/or NoSQL databases.Hands-on experience withCI/CD tools(Azure DevOps, GitLab CI, Jenkins, GitHub Actions, etc.) and use ofGit,Maven/Gradle.Experience working incloud environments, ideallyAzure(AWS/GCP also valued).Strong knowledge ofsoftware 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.What you will doDesign, develop, and maintainmicroservicesusingJava and Spring Boot.Design and implementRESTful APIs, ensuring performance, security, and maintainability.Integrate and consumemessaging systems(Kafka/RabbitMQ) to support event-driven architectures.Build, maintain, and improveCI/CD pipelinesto ensure fast, secure, and reliable software delivery.Operate services incloud environments, ensuring scalability, security, and cost efficiency.Implement and optimizemonitoring, logging, and alertingsolutions to improve system reliability and observability.Analyze and resolveproduction incidents, performing root cause analysis and implementing preventive measures.Participate inon-call / incident management(when applicable) to ensure platform availability.Strongproblem?solvingskills andanalytical thinking.Excellentcommunication skillsand ability to work inmultidisciplinary teams(engineering, architecture, product, operations).Proactive attitude, strong sense ofownership, and focus oncontinuous improvement.Comfortable working inagile environments(Scrum, Kanban).Experience infinancial services, payroll, HR techor otherhighly regulated sectors.Experience withDevSecOps tools(SAST, DAST, dependency analysis, secrets management).Familiarity withSite Reliability Engineering (SRE)practices (SLIs/SLOs, error budgets).Experience withAPI gateways, service mesh, orservice discoverytools.Career growth:70% of our senior leaders started in junior positions.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:ourWeCareprogram supports employees in critical situations.Personal development:annual training budget to boost both your hard and soft skills.AtAmaris Consulting, we are committed to creating an inclusive environment. We welcome all qualified applications regardless of gender, sexual orientation, race, ethnicity, age, or any other characteristic#J-*****-Ljbffr