Senior Backend Engineer | Java | Microservices | Remote - Spain

Job Description
At THEWHITEAM Consulting, we are looking for an experienced
Senior Backend Engineer
to join a technology project focused on modern backend development and distributed architectures.
The ideal candidate will have extensive hands-on experience with
Java
, strong knowledge of
microservices and Hexagonal Architecture
, and practical experience with messaging systems, cloud platforms, databases and containerized environments.
You will work on designing and developing scalable backend solutions while contributing to engineering best practices, observability and reliable software delivery.
Responsibilities
Design and develop scalable backend applications using
Java
.
Build and maintain
microservices-based architectures
.
Apply
Hexagonal Architecture (Ports & Adapters)
and sound software design principles.
Develop solutions using messaging and queueing technologies such as
Kafka or RabbitMQ
.
Work with both
relational and NoSQL databases
.
Develop and deploy applications in
containerized environments using Docker
.
Implement and maintain logging, monitoring and
observability
solutions.
Work with monitoring and visualization tools such as
Grafana
.
Contribute to CI/CD and software delivery processes.
Ensure code quality through testing, maintainability and software engineering best practices.
Collaborate with other technical teams and stakeholders to design effective backend solutions.
Troubleshoot technical issues and continuously improve system performance and reliability.
Requirements
8+ years of hands-on experience
in backend development.
Strong professional experience with
Java
, including modern Java versions such as
Java 25
.
Proven experience designing and developing
microservices architectures
.
Strong understanding of
Hexagonal Architecture (Ports & Adapters)
.
Experience with messaging and queueing systems such as
Kafka, RabbitMQ
or similar technologies.
Knowledge of at least one major
cloud platform: AWS, Azure or GCP
.
Experience working with both
relational and NoSQL databases
.
Strong knowledge of
Docker and containerized environments
.
Experience with logging, monitoring and observability tools, including
Grafana
.
Basic understanding of
CI/CD pipelines
and software delivery practices.
Good knowledge of software design principles, testing and development best practices.
Spanish:
Fluent.
English:
Advanced level (C1), both written and spoken.
Nice to Have
Experience with
Kubernetes
.
Exposure to
DevOps practices
.
Previous experience working in
Agile environments
.
Technical Assessment
The recruitment process includes a
technical pre-check
to assess the candidate's technical experience and suitability for the role.
Conditions
Location:
Spain.
Work model:
100% remote
.
Working hours:
09:*******:00.
Estimated project duration:
7 months.
Experience:
8+ years.
Salary:
€40,000 - €43,000 gross annual salary
.
Positions available:
1.
Candidates must have valid authorization to work in their country of residence before starting the engagement.
Company
Joining THEWHITEAM means becoming part of a company made up of professionals with extensive experience in technology consulting.
We firmly believe that companies and clients set the direction of the industry, but people are the ones who build it. We consider our people our greatest asset and a key part of the value we provide.
Benefits
Our collective agreement is the one applicable to consulting and market research companies.
23 days of vacation
per year.
14 payments
, including 12 monthly payments and two additional payments in June and December.
Flexible compensation options including
childcare vouchers and medical + dental insurance
.
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